062
WWUS20 KWNS 272220
SEL8
SPC WW 272220
MTZ000-280500-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 408
NWS STORM PREDICTION CENTER NORMAN OK
420 PM MDT SAT JUN 27 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST MONTANA
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 420 PM UNTIL
1100 PM MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80
MPH LIKELY
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
INCHES IN DIAMETER LIKELY
A TORNADO OR TWO POSSIBLE
SUMMARY...STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP
ACROSS NORTHEAST MONTANA THIS AFTERNOON AND EVENING. A MORE CELLULAR
MODE IS POSSIBLE EARLY IN THE CONVECTIVE CYCLE, BUT STRONG SOUTHERLY
SHEAR SUGGESTS STORMS WILL LIKELY BECOME LINEAR QUICKLY. LARGE TO
VERY LARGE HAIL IS THE PRIMARY HAZARDS AS STORMS ARE MORE CELLULAR
WHILE STRONG WIND GUSTS (UP TO 80+ MPH) ARE THE PRIMARY HAZARD AS
STORMS BECOME LINEAR. A LOW-PROBABILITY TORNADO HAZARD WILL EXIST
THIS AFTERNOON AND EVENING AS WELL.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH OF WOLF
POINT MT TO 55 MILES WEST SOUTHWEST OF GLENDIVE MT. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU8).
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 403...WW 404...WW
405...WW 406...WW 407...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
23030.
...MOSIER
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