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New “Destructive” Severe Thunderstorm Warning to trigger Wireless Emergency Alerts on mobile phones
Severe thunderstorms can be life-threatening, but not all severe storms are the same. Hazardous conditions range from tornadoes, large hail storms, and widespread straight-line winds called Derechos, to cloud-to-ground lightning and flash flooding.
The National Weather Service will better convey the severity and potential impacts from thunderstorm winds and hail and have added a “damage threat” tag to Severe Thunderstorm Warnings, similar to our Tornado and Flash Flood Warnings.
“Destructive” and
“Considerable” Damage Threat Categories
They developed three categories of damage threat for Severe Thunderstorm Warnings. . .
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