503
WWUS20 KWNS 150022
SEL9
SPC WW 150022
MEZ000-NHZ000-NYZ000-VTZ000-150800-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 489
NWS STORM PREDICTION CENTER NORMAN OK
825 PM EDT TUE JUL 14 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHWEST MAINE
CENTRAL AND NORTHERN NEW HAMPSHIRE
NORTHERN NEW YORK
NORTHERN VERMONT
* EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 825 PM
UNTIL 400 AM EDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...THUNDERSTORMS ARE FORECAST TO DEVELOP AND INTENSIFY THIS
EVENING ACROSS THE WATCH AND ALSO MOVE INTO THE WATCH AREA FROM THE
WEST. A COUPLE OF SUPERCELLS ARE POSSIBLE WITH LARGE HAIL AND
SEVERE GUSTS ACCOMPANYING THESE STORMS. A TORNADO IS ALSO POSSIBLE.
LATER TONIGHT, ADDITIONAL STORMS WILL PROBABLY EVOLVE INTO A SMALL
THUNDERSTORM CLUSTER WITH LARGE HAIL AND SEVERE GUSTS THE MAIN
HAZARDS WITH THIS ACTIVITY.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST NORTHWEST
OF MASSENA NY TO 40 MILES EAST OF MOUNT WASHINGTON NH. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU9).
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 488...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION VECTOR
30040.
...SMITH
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