313
WWUS20 KWNS 042002
SEL2
SPC WW 042002
MTZ000-NDZ000-SDZ000-WYZ000-050300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 272
NWS STORM PREDICTION CENTER NORMAN OK
205 PM MDT THU JUN 4 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
FAR SOUTHEAST MONTANA
FAR SOUTHWEST NORTH DAKOTA
WESTERN SOUTH DAKOTA
FAR NORTHEAST WYOMING
* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 205 PM UNTIL
900 PM 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...THUNDERSTORMS ARE DEVELOPING WITHIN THE MODESTLY UNSTABLE
AND MODERATELY SHEARED AIRMASS ACROSS EASTERN MONTANA AND NORTHEAST
WYOMING. THESE STORMS ARE EXPECTED TO MOVE EASTWARD/SOUTHEASTWARD
INTO FAR SOUTHWEST NORTH DAKOTA AND WESTERN SOUTH DAKOTA THROUGHOUT
THE AFTERNOON AND EVENING. ENVIRONMENTAL CONDITIONS SUPPORT
SUPERCELLS CAPABLE OF LARGE TO ISOLATED VERY LARGE HAIL AND DAMAGING
GUSTS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 110
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTH
SOUTHWEST OF BROADUS MT TO 85 MILES EAST NORTHEAST OF RAPID CITY SD.
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
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
27030.
...MOSIER
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