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An example of weather alerts on a national map from the National Weather Service. Tornado watch (TOA; yellow box in some select NWS documentation, red box in most other media) – Conditions are favorable for the development of severe thunderstorms and tornadoes in and close to the watch area.
Emergency Broadcast System, Local Access Alert. The Emergency Alert System ( EAS) is a national warning system in the United States designed to allow authorized officials to broadcast emergency alerts and warning messages to the public via cable, satellite and broadcast television and both AM, FM and satellite radio.
The NWS has the option of adding enhanced wording to severe thunderstorm warnings and update statements issued as a Severe Weather Statement (SVS)—"particularly dangerous situation" (PDS), "severe thunderstorm emergency", or, as used by some Central and Southern Region offices as indicative PDS wording, "this is a very dangerous storm"—when ...
When severe weather looms, storm alerts are important tools for keeping people informed. The National Weather Service shares alerts as it warns of potential risks from thunderstorms, flooding ...
Alert Hamilton County (Alert HC) is a mass notification system residents can sign up for to receive updates about severe weather and other emergencies. You can receive these alerts via text, email ...
The National Severe Weather Warning Service (shortened to NSWWS) is a service provided by the Met Office in the United Kingdom. The purpose of this service is to warn the public and emergency responders of severe or hazardous weather which has the potential to cause danger to life or widespread disruption. This allows emergency responders to ...
A much larger and more volatile risk of severe weather may unfold by the middle of next week as warmer and moist air surges over the central and southern Plains and the Mississippi, Ohio and ...
In Canada, governmental weather warnings and watches are issued by the Environment Canada. Environment Canada defines an advisory as "an alert to cover a wide array of deteriorating weather conditions," a watch as "when conditions favour that severe weather forming" and a warning as "severe weather is actually occurring or is imminent ...