| Only the most imminent life- and property-threatening hazards are broadcast with the SAME signal and the 1050 hertz warning alarm tone, to indicate where the public has to take immediate action to protect themselves and their property. A standard operating guideline is that messages are alerted only for hazards urgent enough to warrant waking people up in the "middle of the night" or otherwise interrupting someone's activities at any time.
The following messages are always alerted on a NWR transmitter if they apply to any part of its coverage area:
TORNADO WARNING
SEVERE THUNDERSTORM WARNING
FLASH FLOOD WARNING
TORNADO WATCH
SEVERE THUNDERSTORM WATCH
HURRICANE WATCH
HURRICANE WARNING
NATIONAL EMERGENCY
The following messages are sometimes alerted if they apply to the coverage area of the transmitter, depending on the circumstances and the area of the country. Check with the National Weather Service programming office of the NWR transmitter:
FLASH FLOOD WATCH
WINTER STORM WARNING
HIGH WIND WARNING
TSUNAMI WATCH
TSUNAMI WARNING
RIVER FLOOD WATCH
RIVER FLOOD WARNING
SPECIAL MARINE WARNING
LOCAL NON-WEATHER EMERGENCIES
If you need to know what other EAS messages are broadcast in your area, you would need to contact your local National Weather Radio Station for the list of messages. You can find the location of your local station by clicking on Station Listing and Coverage at the NWR site.
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