457
WWUS20 KWNS 062351
SEL2
SPC WW 062351
MTZ000-070700-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 662
NWS STORM PREDICTION CENTER NORMAN OK
555 PM MDT SUN SEP 6 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL AND NORTH-CENTRAL MONTANA
* EFFECTIVE THIS SUNDAY AFTERNOON AND MONDAY MORNING FROM 555 PM
UNTIL 100 AM MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...WIDELY SCATTERED TO SCATTERED THUNDERSTORMS ARE FORECAST
TO CONTINUE TO DEVELOP AND INTENSIFY THIS EVENING. THE STRONGER
STORMS WILL BE CAPABLE OF A RISK FOR LARGE HAIL (1 TO 2 INCHES IN
DIAMETER) AND SEVERE GUSTS (60 TO 70 MPH).
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTHEAST OF
HAVRE MT TO 30 MILES EAST SOUTHEAST OF HELENA MT. 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.
OTHER WATCH INFORMATION...CONTINUE...WW 660...WW 661...
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 450. MEAN STORM MOTION VECTOR
25025.
...SMITH
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