639
WWUS20 KWNS 181732
SEL4
SPC WW 181732
NYZ000-PAZ000-LEZ000-LOZ000-190100-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 494
NWS STORM PREDICTION CENTER NORMAN OK
135 PM EDT SAT JUL 18 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN AND CENTRAL NEW YORK
FAR NORTHEAST PENNSYLVANIA
LAKE ERIE
LAKE ONTARIO
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 135 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...CLUSTERS OF STORMS AND LINE SEGMENTS ARE EXPECTED TO
SPREAD EAST-SOUTHEASTWARD ACROSS WESTERN AND CENTRAL NEW YORK
THROUGH THIS EVENING. DAMAGING GUSTS OF 60-70 MPH WILL BE THE
PRIMARY SEVERE THREAT, THOUGH EMBEDDED CIRCULATIONS COULD PRODUCE AN
ISOLATED TORNADO OR TWO. ISOLATED LARGE HAIL OF 1.1.5 INCHES IN
DIAMETER MAY ALSO OCCUR WITH THE STRONGEST STORMS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTH
SOUTHEAST OF UTICA NY TO 50 MILES NORTHWEST OF JAMESTOWN NY. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
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 492...WW 493...
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
30035.
...THOMPSON
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