100
WWUS20 KWNS 181700
SEL2
SPC WW 181700
OHZ000-PAZ000-WVZ000-LEZ000-190100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 492
NWS STORM PREDICTION CENTER NORMAN OK
100 PM EDT SAT JUL 18 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN AND EASTERN OHIO
WESTERN AND CENTRAL PENNSYLVANIA
FAR NORTHERN WEST VIRGINIA
LAKE ERIE
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 100 PM UNTIL
900 PM EDT.
* PRIMARY THREATS INCLUDE...
WIDESPREAD DAMAGING WIND GUSTS TO 70 MPH LIKELY
ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...THUNDERSTORMS WILL INCREASE IN COVERAGE AND INTENSITY
THROUGH LATE AFTERNOON/EVENING IN MULTIPLE CORRIDORS/BANDS ALONG AND
WELL AHEAD OF A COLD FRONT. THE STORM ENVIRONMENT WILL FAVOR A MIX
OF MULTICELL CLUSTERS, LINE SEGMENTS AND SUPERCELLS WITH A PRIMARY
THREAT OF WIND DAMAGE. SUPERCELLS CLOSE TO THE WARM FRONT COULD
POSE THE THREAT FOR A TORNADO OR TWO IN CENTRAL PENNSYLVANIA.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTHEAST OF
WILLIAMSPORT PA TO 50 MILES WEST SOUTHWEST OF AKRON OH. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU2).
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.
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 550. MEAN STORM MOTION VECTOR
29030.
...THOMPSON
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