558
WWUS20 KWNS 221833
SEL6
SPC WW 221833
MTZ000-NEZ000-SDZ000-WYZ000-230200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 376
NWS STORM PREDICTION CENTER NORMAN OK
1235 PM MDT MON JUN 22 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST MONTANA
NEBRASKA PANHANDLE
SOUTHWEST SOUTH DAKOTA
EASTERN WYOMING
* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1235 PM UNTIL
800 PM MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
TO 3 INCHES IN DIAMETER POSSIBLE
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...SCATTERED SEVERE/SUPERCELL THUNDERSTORMS ARE EXPECTED TO
DEVELOP THIS AFTERNOON OVER PARTS OF SOUTHEAST MONTANA AND EASTERN
WYOMING - SPREADING SOUTHEASTWARD THROUGH THE EVENING. PARAMETERS
APPEAR QUITE FAVORABLE FOR LARGE HAIL IN THE STRONGEST CELLS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTH OF BROADUS
MT TO 40 MILES WEST OF SIDNEY NE. FOR A COMPLETE DEPICTION OF THE
WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
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 374...WW 375...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
29030.
...HART
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