Patent Application
20100013629
I. Field of the Invention
The present invention provides a system that automatically processes weather data and delivers timely warnings of adverse weather conditions. More specifically, the present invention provides a system that automatically generates advanced warning of weather conditions likely to affect operations of a business such as a railroad, trucking company, construction company, or the like so that appropriate personnel can take steps necessary to mitigate the risks to life and equipment associated with adverse weather conditions.
II. Background of the Invention
Railroads, trucking companies, construction companies, recreational organizations and the like all have their operations impacted by the weather. For example, the rail systems of today are extremely safe. However, like all modes of transportation, rail operations can be adversely affected by weather conditions. Weather is the most common cause of derailment of railroad cars when such derailments occur. Derailment can result in injury or death to workers and passengers. Derailment can also cause substantial damage to railroad track, cars and cargo. A single derailment can cause losses that can exceed a million dollars.
The chances of derailment can be reduced substantially if trains can be diverted from areas affected by adverse weather conditions. Even when it is not possible to divert the train, the threat of damage and death can be reduced if rail traffic is halted before it encounters adverse weather conditions. Studies suggest that, even if the weather conditions cannot be avoided, a weather related accident involving a moving train can be ten times more costly than one involving a stationary train. The momentum of a moving train during a derailment increases the level of destruction to rail cars, track and life ten-fold.
Various weather events can affect rail operations. These fall into three main categories—high winds, flooding of the track, and temperature extremes that can expand or contract the rails of the track causing them to break, warp, or otherwise move out of proper alignment. Thus, an effective weather alert system must provide advanced warning of wind, flooding and temperature conditions that could pose a threat to moving trains.
The vast geographic territory over which railroads operate their trains and the localized nature of weather phenomena present unique challenges. The Union Pacific Railroad, for example, manages 38,654 miles of track in 23 states. It links all major West Coast and Gulf ports. It provides four major gateways to the east. It is the primary rail connection between the United States and Mexico. It also interchanges rail traffic with the rail system in Canada. The Union Pacific Railroad operates 6,847 locomotives. These locomotives must be run as efficiently as possible to hold freight costs down for customers and provide the Union Pacific with a reasonable return on the substantial investment it has made. Whenever it is safe to do so, the trains must be kept moving.
If one considers the vast landscape over which the Union Pacific operates, one soon realizes that only a very small portion of the rail system will be impacted by localized weather phenomena, such as wind gusts, tornadic activity or flash flooding. Operation over the remainder of the rail system can continue without undo risk. Even those areas of the system that are subjected to such adverse weather conditions may only be affected by such conditions for very short periods of time. This is certainly true for severe thunderstorms and tornados. They present a very real threat, but only in a localized area and only briefly.
Given the vast area covered by railroad tracks and the localized nature of weather conditions, a rail traffic control system could quickly be overwhelmed by localized weather reports covering each area of the system. Such information overload can be a curse as well as a blessing. If the information is not effectively sorted and prioritized, important information might not be acted on in a timely manner. Also, dispatchers inundated with alerts and warnings might become desensitized to the potential danger and not act in a appropriate manner to save life and property.
Businesses, other than railroads, can also be affected by adverse whether conditions. Many trucking companies deploy their fleet of trucks over a wide geographic area. Sometimes this area covers the entire nation. Severe weather conditions can hamper trucking operations in many of the same ways as rail operations and with the same risk to life and property. As trucks travel the highways and roads of this country, they can encounter wind conditions, precipitation including hail, sleet and severe thunderstorms, and temperature extremes that pose a significant threat. Even when roads are inundated with snow in certain areas of the country, they are clear in other areas of the country. Likewise, tornadic and wind gust activity can present a significant danger, but generally only in a very localized area and for a relatively short period of time. While truckers should avoid these areas during times of danger, it is safe to operate elsewhere and during times when no danger is present.
Weather presents similar challenges to construction companies. Personnel, equipment and materials can be safeguarded from hazardous weather conditions if sufficient advanced warning is provided. Construction companies can be involved in a single project at a single site. More often, however, they are involved in multiple projects at widely dispersed locations. Again, advanced warning of weather conditions likely to impact a specific construction site, as opposed to a general advisory, can be of significant advantage to a construction company.
The need for site specific notifications of impending adverse weather conditions is not limited to railroads, trucking companies or construction companies. In fact, such information can be of great value to many other businesses. Some of these include amusement parks, golf courses, ski resorts, marinas, race tracks, agricultural cooperatives and schools. In each instance, a system which provides site specific weather alerts could permit the protection of life and property without undue disruption of the enterprise when the weather conditions at the site impose no real threat.
With the foregoing challenges in mind, it should be clear that there is a real need for a weather alert system that can effectively meet each of such challenges. Therefore, the object of the present invention is to provide a weather alert system for businesses that collects and processes weather information and issues clear, timely and effective location specific warnings to the business.
Another object of the present invention is to provide such a system that is highly automated.
Still another object of the invention is to provide a highly effective weather enabled decision support mechanism based upon Geographical Information System (GIS) technology.
Another object of the present invention is to provide such a system which intelligently formats and routes messages related to weather conditions.
Another object of the invention is to provide such a system which, when appropriate, requires timely and positive acknowledgment that messages have been received.
A further object of the invention is to provide an archive of messaging activity for historical analysis.
A further object of the present invention is to provide such warnings on a site-specific basis so only sites to be impacted by adverse weather conditions receive such warning.
Another object of the present invention is to provide a weather alert system that automatically collects weather information related to the entire geographic area in which the business operates.
Another object of the present invention is to provide a weather alert system capable of automatically processing the weather information to predict adverse weather conditions that might impact business operations anywhere the business operates.
Still another object of the present invention is to provide a weather alert system capable of automatically generating weather advisories in a timely fashion to businesses so that the business can take the steps necessary to avoid catastrophic loss of life and property.
Still another object of the invention is to ensure receipt by appropriate personnel of significant weather advisories.
To meet the objectives outlined above, a weather alert system is provided which includes a file server and a plurality of remote workstations. The remote workstations can be in the form of a personal computer, cell phone, two-way pager, or other device capable of communication with the file server.
The file server typically will have Geographical Information System (GIS) software loaded on it as well as messaging software. The location of individual business assets are electronically mapped using the GIS software.
The file server collects weather information from the National Weather Service (NWS) and other sources. One important type of data distributed by the NWS is nationwide NEXRAD radar data. This data is generated by the WSR-88D is network of Doppler radars installed throughout the country and operated by the NWS. Such data is collected and disseminated by weather data providers such as Meteorlogix, LLC, Burnsville, Minn. (fna DTN Weather Services, LLC). Another important source of data are NWS watches and warnings. The NWS also distributes weather forecast grids and current observation data that can be ingested and used by the file server. Data from sources other than the NWS, such as custom weather forecasts, can also be ingested and used by the file server.
In the present invention, all such data is automatically ingested into the file server for processing. The file server automatically disregards data that is not material to the operation of the business. To perform this task, the file server compares the weather data received to various programmable parameters. These parameters generally relate to the location of a company's business operations and the types of weather conditions that could adversely impact business operations. Any data that suggests that conditions may exist that could adversely impact operations are further processed. For example, if tornadic activity is detected, the location, direction of movement and speed of the tornado is automatically assessed to determine whether the tornado poses a threat to any location operated by the business. If so, the business locations likely to be affected by the tornado are identified and the arrival time of the tornado at each identified business location is determined. The messaging software of the file server automatically notifies the person responsible for managing the specific business location. If that person fails to acknowledge receipt of the notification within a predetermined time period, the system automatically transmits a second message that is sent to that person's supervisor.
The file server can perform other functions as well. For example, the data can also be organized and archived for future analysis of the efficacy of the manager's or supervisor's response.
While the foregoing example is with reference to tornadic activity, the same system can provide the same type of warning of other wind dangers, flooding dangers, precipitation dangers or temperature extremes that can adversely impact the operation of the business. The present invention can be better understood by reading the following detailed description of the invention in view of the accompanying drawings.
The present invention is intended for use by a variety of businesses. The broad concept of the invention is shown in
As shown in
In
In addition to the file server 22 and the DSU 25, the business will also typically have a router 26 and firewall 27 at its headquarters. Desks 15, 16 and 17 (on which the workstations are placed) may be located at the headquarters or at a remote location. In
For the system shown in
The software to be installed on server 22 can include all of the software discussed above with respect to server 21. However, the only necessary software is Windows NT Server, SQL Server and the MSMQ Primary Enterprise Controller Module licensed with Windows NT.
The workstations on the desks 15-17 and 28 will all be loaded with certain software as well. Windows NT Workstation, Internet Explorer and MSMQ Independent Client, all of which are available from Microsoft Corporation, are loaded on each workstation. Also, two modules specifically developed for implementation as part of this invention, and described in further detail below, should be loaded on each workstation. These are referred to as Alert Receiver and Active Alert Review.
As indicated above, the file server 21 is loaded with four software modules specifically developed as part of this invention. Similarly, the workstations are all loaded with two specially developed software modules. The function of these modules will be discussed now.
The Alert Manager software module loaded on the file server 21 is, in essence, the filter 2 (
The Alert Distribution module, also loaded on file server 21, accepts notification messages from the Alert Manager and passes them along, via MSMQ. It also monitors acknowledgments of message receipts from the workstations. If no acknowledgment to a notification message is received within a predetermined time period (which is adjustable), the Alert Distribution module escalates the notification sending it, for example, to supervisory personnel. All notifications, acknowledgments, and failures to acknowledge are logged using the journals feature of MSMQ.
Periodically, the logged messages in the MSMQ journals must be archived to disk files and deleted from the journals. This function is accomplished using the Alert Archive software module loaded on file server 21. Maintenance of such disk files allows review of the historical alert message activity. These files can be saved on removable storage media if necessary. If desired, the Alert Archive module can also be used to generate an archive image without deleting the message from the MSMQ journal. Having historical data of this type preserved by the Alert Archive module can be particularly beneficial in evaluating the efficacy of the system, the appropriateness of the programmed thresholds for issuing an alert message, and the manner in which employees responded to weather alert messages generated by the system. The Alert Archive Review module loaded on file server 21 works hand-in-hand with the Alert Archive module. The Archive Alert Review allows a user to review archive messages that have been saved to a disk by Alert Archive. The Alert Archive Review implements this as an XML style sheet.
As indicated above, software modules developed as part of the present invention are loaded on each of the workstations 15-17, 28. The Alert Receiver module is presented on the workstation whenever a notification message arrives at the dispatcher's desk 15-17, 28. Along with the notification message, a dialog screen appears for the dispatcher's use in acknowledging receipt of the message containing the weather alert. The Alert Receiver component is also used for notification messages to supervisors in the event the employee who originally received the message does not acknowledge receipt within the predetermined time period. Messages sent to supervisors would typically include both the original alert message and a non-acknowledgment notification message. See
To provide a better understanding of the inter-relationship between the various software components described above,
Referring to
As should be clear from the foregoing,
Another important aspect of the present invention is also shown in
Now that a general overview of the system of the present invention has been provided, an example of how it can be implemented to protect the assets of a business will be discussed. In this example, the business is assumed to be a railroad, but as has been explained, it may be applied to many other businesses, as well.
As shown in
The types of data utilized by the system of the present invention include the Combined Attribute Tables generated by the NWS NEXRAD radars at the weather stations 60-64, the temperature and wind forecast grids issued by the NWS, ambient weather conditions observed by the NWS, the current observations data made available by the NWS, and the weather warning and advisory bulletins issued by the NWS. Other sources of weather information can also be used.
A Combined Attribute Table is generated by each Doppler radar site for each radar scan during which a storm is detected. For each storm detected, the Combined Attribute Table includes a storm identification number, the current location of the storm relative to the radar's position (azimuth and range), the direction in which the storm is moving, and the speed at which the storm is moving. The table also contains data related to the nature and intensity of the storm. Specifically, the table indicates whether a tornadic vortex signature has been detected, whether there is a possibility of hail and if so an estimate of the maximum size of the hail, a reading of virtually integrated liquid, the height of the storm cell, and whether tornados have been detected. Combined Attribute Table data is automatically supplied by the computers of the National Weather Service 65 to the computers operated by the NIDS provider 66. The NIDS provider's computer filters the data and automatically forwards the desired data to the file server 67.
The file server 67 is the heart of the system of the present invention. Not only does it automatically ingest data from the NIDS provider 66, but it also processes the data and transports weather alerts to dispatcher and supervisor workstations 68-82. In the embodiment shown, the workstations 68-82 and file server 67 comprise a personal computer-based network. The file server 67 and each of workstations 68-82 have a unique address. While
In the embodiment described, the file server 67 uses a Windows NT operating system and Microsoft Message Queuing (MSMQ). The file server 67 also uses GIS software and a variety of software modules discussed below. Those skilled in the art will recognize that computers equipped with GIS software are capable of assembling, storing, manipulating and displaying geographically referenced information, i.e. data identified according to their geographic locations. GIS software also allows spatial analysis of weather data and non-weather geo-referenced landmarks, structures and features.
Using GIS technology, a first database is constructed. This database includes mapping information related to the location of each segment of track to be monitored by the system. The database also includes information identifying each segment or track section
83-94, the dispatcher (69-72, 74-77, 79-82) assigned to each section of track and supervisor (68, 73 or 78) responsible for each dispatcher and/or section. Addresses for the workstations used by the dispatchers and supervisors are also stored on the file server 67.
Another advantage of the GIS software is that weather information ingested by the file server can be quickly and easily mapped relative to the track operated by the railroad. The system knows the location of each weather station 60-64 having a reporting radar of the NEXRAD system and can easily convert the storm's polar coordinates (provided in the Combined Attribute Table) to Cartesian coordinates used by the GIS mapping system. Techniques for performing this conversion are well known in the art and have been used since early 1980's by the owner of the present invention. See U.S. Pat. No. 4,347,618 to Kavouras et al dated Aug. 31, 1982 which is incorporated by reference.
The file server 67 automatically maps the position of detected storms and plots their speed and direction. Based upon the relative position of the storm and the various section of track, the file server 67 can determine which track sections might be affected by the storm and when the storm will impact that section. Not only is the file server 67 able to predict the nature of and time at which storms will impact sections of track, the system is also able to provide alerts for flooding and warnings related to temperature extremes based upon warnings, advisories and data received from the NWS and elsewhere.
Vast quantities of data are ingested by the file server 67. It is, therefore, advantageous to filter the data to ensure weather conditions are only reported to the dispatchers and supervisor 68-82 if the weather conditions meet certain pre-established thresholds. Such thresholds are all variable, but examples would typically include: (1) the presence of a tornado warning issued by the NWS; (2) the presence of a flash flood warning issued by the NWS; (3) observed temperatures less than 0□ F. or greater than 100□ F.; (4) forecast temperatures of less than 0□ F. or greater than 100□ F. within the next twelve hours; (5) observed wind speeds in excess of 40 miles per hour; (6) forecast wind speeds in excess of 40 miles per hour within the next twelve hours; and (7) the presence of a tornadic vortex signature identified by NEXRAD. If any of these thresholds (or any other predetermined threshold) is met relative to any segment of track monitored by the system, the present invention automatically generates and sends a message to the appropriate dispatcher(s). If none of the thresholds are met in the area of any track section, no message is sent.
To ensure delivery of the messages generated by the file server 67, the MSMQ software writes messages from the file server 67 to the appropriate dispatcher and supervisor workstations 68-82 which are located throughout the country. MSMQ is a store-and-forward service that is freely available to licensed Windows NT server users. The dispatcher and supervisor workstations 68-82 are individually addressable and configured as independent clients on the wide area network.
The GIS software is used as the geographic processing engine. When ESRI ArcView GIS software is used, avenue scripts process the weather data on the file server 67. Weather data are compared against the user-defined thresholds related to weather events. Whenever such thresholds are met or exceeded, the weather data is intersected with track segment location data so that significant weather events falling with a specified distance of a track segment can be identified. Messages are then generated as a result of this GIS spatial analysis.
To exploit the MSMQ capabilities as discussed above, various software components have been developed and are incorporated in the preferred embodiment of the present invention. The MSMQ software routes the messages from the file server 67 to the dispatchers and supervisors 68-82 located throughout the country.
The Alert Distribution software 31 accepts notification messages from the Alert Manager 30 and passes them along to MSMQ. The Alert Distribution software 31 also monitors acknowledgment of messages by dispatchers and, if no acknowledgment is received, generates a notification to the appropriate supervisor. All notifications, acknowledgments, and failures to acknowledge are logged using the journal feature of MSMQ.
The Alert Receiver software 42 resides on each dispatcher and supervisor workstation. When a notification message is received, the Alert Receiver software 42 initiates an on-screen dialog for the dispatcher's or supervisor's acknowledgment. Each notification includes an alert message. Notifications sent to supervisors include the original alert message and a non-acknowledgment notification message. This software also stores the notification data locally for further review by the dispatcher or supervisor.
The Active Alert Review software 50 also resides locally on each workstation. It allows the dispatcher or supervisor using the workstation to view currently active messages saved locally. The messages are saved as extensible markup language (XML).
The Alert Archive software 51 serves the function of periodically archiving the data in the MSMQ journals to disk files and then delete the archived data from the MSMQ journals. The disk files created by the Alert Archive software 51 permits the later review of historical alert message activity.
Now that the basic organizational structure of the system of the present invention has been presented, various applications of the invention will be discussed. The first to be discussed is application of the system to a railroad operation. The system's primary function is to alert a dispatcher in a timely fashion when predefined significant weather situation is detected which may affect one or more specific track segments. The system does not broadcast such messages to all dispatchers and supervisors. In the first instance, an alert message is only sent to the dispatcher(s) responsible for the track segment(s) to be affected by the weather. Only if the dispatcher fails to acknowledge the message is it sent to anyone else. In the event of a non-acknowledgment, the message is sent to the dispatcher's supervisor.
The messages sent are intended to be very specific. They will typically, but not necessarily, include a text component which highlights the nature of the alert. Examples of such messages are shown in
Of course, the specific nature of the messages generated will depend upon the types of devices serving as workstations and the nature of the assets being protected by the system. When cell phones are used, the message could be in the form of synthesized speech. When pagers are used, the message could be text-only. The system of the present invention is sophisticated enough that a variety of message formats and delivery mechanisms are available.
The system can also be used for other purposes as well to the benefit of the railroad. For example, daily or four-day forecasts can be distributed using the system. Different forecasts can be provided for different areas of services. For example, if the three supervisors 68, 73 and 78 shown in
Another key aspect of the system is the ability to retain a log of weather conditions and messaging. This is particularly important in evaluating the efficacy of the system and the performance of dispatchers and supervisors in responding successfully to alerts. Also, in the event of a mishap, such data could help investigators determine the cause of the mishap.
The system of the present invention is highly automated. The NEXRAD system collects weather data automatically and disseminates it in near real time. The file server 67 automatically ingests the weather data and processes it automatically to determine if any track segments are to be affected by adverse conditions. If so, appropriate messages are automatically generated and transmitted to appropriate personnel so corrective action can be taken. The present system is highly effective in improving the safety of rail transportation and reducing mishaps related to weather phenomena.
The system of the present invention can be of substantial value to other businesses as well and particularly any business having operations that can be significantly affected by weather conditions. Most over-the-road trucking operations in this country are performed on or near interstate freeways and major highways. Just as GIS can be used to map segments of track operated by a railroad, GIS can also be used to map segments of freeways, highways and other roads.
For example, Interstate 35 runs all the way from Duluth, Minn. on the shore of Lake Superior in the north to Laredo, Tex. on the Mexican border in the south. Adverse weather conditions will not impact the entire length of Interstate 35 at any point in time. Only a relatively small portion of this freeway will ever be impacted by high winds, tornadic activity, hail, sleet, snow, or any other condition that could impact trucking operations. The present invention can be used to divide the road into segments, determine which segments will be impacted by weather conditions meeting predetermined thresholds, and issue advisories to dispatchers so they can alert truckers who are or will be traveling on segments adversely affected by such weather conditions. In fact, the invention can be used to send such messages directly to the truck driver if the truck is equipped with (1) a device capable of receiving the messages and acknowledging their receipt; and (2) some mechanism is used to define the position of the truck (such as a global positioning system (GPS) receiver) and such position information is provided to the GIS software of the file server. Again, advisories are not sent to all dispatchers (or drivers) but only those with responsibility for communicating with drivers in an area likely to encounter adverse weather conditions.
The present invention can also be used to advise construction companies of approaching weather conditions that could threaten life or property. Construction companies can be involved in a single project at one location or multiple projects at dispersed locations. High winds, thunderstorms, tornados, hail and the like can all present a significant danger to construction workers. Such weather conditions can also result in significant damage to a construction project. Sufficient advanced warning can give supervisory personnel time to take steps necessary to protect and safeguard construction workers, equipment and materials. Again, not all construction sites are likely to be impacted in the same way or even at all by localized weather conditions. A storm cell can do significant damage in one area without doing any damage a half mile away. The GIS-based system of the present invention allows the construction sites operated by the company to be mapped and can be used to determine whether weather conditions could adversely impact work on a site-by-site basis. Advisories can then be sent to foremen or supervisors working at the site or sites likely to be impacted rather than to all foremen and supervisors.
Application of the present invention is not limited to the types of businesses discussed above. Other businesses can benefit from the present invention as well. Amusement parks, golf courses, ski resorts, marinas, race tracks, agricultural co-ops, school systems and the like could all apply the present invention to meet the weather forecasting needs of the particular enterprise to safeguard employees and customers, to protect equipment, and to improve the efficiency of operations.
The weather information notification system of the present invention can be implemented by a weather service provider as a subscription service for businesses. Individuals could also subscribe to the service. The subscriber has essentially no equipment costs because cell phones, pagers or personal computers connected to the Internet already owned by the subscriber can serve as a workstation of the system.
A party desiring to subscribe needs to provide the weather service provider with certain information. This includes the telephone number of any pager, cell phone, telephone or the IP address of any personal computer to serve as a workstation. This information can be programmed into the file server operated by the weather service provider and is used in addressing alert messages issued by the file server.
The subscriber can select what location(s) it wants to have monitored by the weather notification system. For each selected location, the subscriber can define what thresholds should be used to trigger the delivery of an alert message, to whom (i.e. to what telephone(s), cell phone(s), pager(s) or personal computer(s) the alert message should be sent in the first instance, the amount of time to be allowed for acknowledgment of receipt of the alert message, and to whom a second alert message should be sent in the event no acknowledgment of the first message is received by the file server within the time period selected by the subscriber. In addition, the subscriber can select the thresholds to be used by the system to automatically determine whether an alert message should be sent.
The subscriber can even select the source or sources of weather data to be used by the system. Such data would typically include Combined Attribute Table data and watches and warnings supplied by the NWS. In addition, the subscriber could select observational data reported from various weather reporting stations within the vicinity of a selected location to be monitored. Typically, the subscriber would define the location of the site to be monitored, define a “radius of influence” around the site to be monitored, and select from the various weather reporting stations within the “radius of influence”. There is nothing to prevent the user from selecting weather reporting stations outside the “radius of influence”. For example, the subscriber might select all weather reporting stations within the “radius of influence” and one or more Tier 1 observation sites (typically located at airports) even if they are not located within the radius of influence.
The use of GIS technology in this invention permits areas of coverage to be defined in any number of ways. Virtually any line point, radius, or other shaped area can be defined by the user and monitored by the system.
The system of the present invention is so flexible that the user can even define different thresholds for triggering the issuance of an alert message for the different weather reporting stations selected. For example, the system could be set to issue an alert message if wind speeds of 40 miles per hour were detected at one weather reporting station. For another, more distant weather reporting station, the threshold might be set at 50 miles per hour. Similarly, the subscriber can define the nature of the content of alert messages to be delivered when predetermined thresholds are met. A plurality of telephones, cellular phones, pagers and personal computers could all be sent messages when a predetermined threshold is met, the message sent to each being different depending upon the steps the subscriber wants the employee in possession of the telephone, cell phone, pager or personal computer to take based upon the weather alert. Likewise, the system can be designed to issue different messages as the predicted weather conditions change. The system would typically only issue one alert for a hail storm. However, if tornadic activity associated with the storm is later detected, a second alert can be issued.
The foregoing description is intended to provide a description which meets all of the disclosure requirements of the patent laws. It is not intended to be limiting. Deviations from what has been described are clearly intended to fall within the scope of the invention which is defined by the following claims:
This application is a Continuation of copending U.S. application Ser. No. 09/819,349, filed Mar. 28, 2001.
| Number | Date | Country | |
|---|---|---|---|
| Parent | 10291970 | Nov 2002 | US |
| Child | 12547024 | US | |
| Parent | 09819349 | Mar 2001 | US |
| Child | 10291970 | US |
