What Do the Weather Symbols on Weather Maps Mean?
Thunderstorms
*Severe thunderstorms typically appear with a triangle just above the top of a thunderstorm symbol on most weather maps.
*The triangles can be red, filled, and point up with a line from the center.
Severe Thunderstorm Warnings
*A severe thunderstorm warning (SAME code SVR) is a type of public warning for severe weather that is issued by the National Weather Service (NWS).
*Warnings are issued when severe weather is imminent or occurring and could cause significant damage or injury. *
Severe thunderstorm warnings include the following information:
- Time of issuance
- Expiration time
- Affected area
- Type of severe weather
- Safety precautions
Severe thunderstorm warnings can be received through multiple channels, including NOAA Weather Radio, television, and mobile phone apps.
Difference Between Watches and Warnings
A watch means that conditions are favorable for severe weather to develop, but it has not yet been detected. A warning means that severe weather has been detected or is imminent and you should take action immediately.
If you are under a severe thunderstorm watch, you should be prepared to take shelter if conditions worsen. If you are under a severe thunderstorm warning, you should take shelter immediately.
Weather Safety Tips
*During a thunderstorm, stay indoors and away from windows if possible.
*Avoid contact with electrical appliances, plumbing, and metal objects.
*If you are outside, seek shelter in a sturdy building or vehicle.
*If you are caught in a thunderstorm while driving, pull over and wait out the storm.
Weather Resources
*National Weather Service: https://www.weather.gov/
*National Hurricane Center: https://www.nhc.noaa.gov/
*Storm Prediction Center: https://www.spc.noaa.gov/
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