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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 148
NWS Storm Prediction Center Norman OK
150 PM EDT Tue May 4 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
Eastern West Virginia
* Effective this Tuesday afternoon and evening from 150 PM until
800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Multiple multicell clusters are expected to develop
east-northeast from the Blue Ridge and pose a risk for scattered
damaging winds and isolated large hail.
The severe thunderstorm watch area is approximately along and 70
statute miles east and west of a line from 50 miles south southeast
of Roanoke VA to 35 miles north northwest of Baltimore MD. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
OTHER WATCH INFORMATION...CONTINUE...WW 142...WW 144...WW
145...WW 146...WW 147...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector