745
WWUS20 KWNS 162034
SEL8
SPC WW 162034
DCZ000-MDZ000-PAZ000-VAZ000-WVZ000-CWZ000-170300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 588
NWS STORM PREDICTION CENTER NORMAN OK
435 PM EDT SUN AUG 16 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
DISTRICT OF COLUMBIA
MARYLAND
CENTRAL PENNSYLVANIA
VIRGINIA
EASTERN WEST VIRGINIA
COASTAL WATERS
* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 435 PM UNTIL
1100 PM EDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 65 MPH LIKELY
A TORNADO OR TWO POSSIBLE
SUMMARY...MULTIPLE ORGANIZED CLUSTERS OF STORMS WILL LIKELY CROSS
THE MOUNTAINS AND GENERALLY PERSIST EAST-SOUTHEASTWARD INTO THE
REGION, AS THE DOWNSTREAM AIR MASS NEAR/EAST OF THE MOUNTAINS
DESTABILIZES IN THE WAKE OF EARLY MORNING STORMS AND CLOUD COVER.
DAMAGING WINDS ARE THE MOST COMMON SEVERE HAZARD EXPECTED, BUT SOME
TORNADO POTENTIAL MAY EXIST AS WELL, PARTICULARLY NEAR AN EFFECTIVE
WARM FRONT.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES EAST NORTHEAST
OF ALTOONA PA TO 50 MILES SOUTH SOUTHWEST OF STAUNTON VA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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
TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 586...WW 587...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55 KNOTS. A FEW
CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR
28030.
...GUYER
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