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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 400
NWS Storm Prediction Center Norman OK
135 PM EDT Wed Jun 22 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District Of Columbia
Eastern West Virginia Panhandle
* Effective this Wednesday afternoon and evening from 135 PM
until 900 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...Initially discrete cells should develop both along a
north/south-oriented front and eventually along a secondary front
shifting east from the Upper Ohio Valley. Multicell clusters will
dominate with time and largely pose a threat for damaging winds.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 50 miles northwest of
Williamsport PA to 20 miles east southeast of Charlottesville VA.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU0).
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
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