104
WWUS20 KWNS 201925
SEL6
SPC WW 201925
NEZ000-SDZ000-WYZ000-210300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 356
NWS STORM PREDICTION CENTER NORMAN OK
125 PM MDT SAT JUN 20 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NEBRASKA PANHANDLE
SOUTHWEST SOUTH DAKOTA
CENTRAL AND EASTERN WYOMING
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 125 PM UNTIL
900 PM MDT.
* 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...CLUSTERS OF HIGH-BASED THUNDERSTORMS WILL AFFECT MUCH OF
CENTRAL WYOMING THIS AFTERNOON, CAPABLE OF LOCALLY DAMAGING WIND
GUSTS. OTHER SUPERCELL STORMS CAPABLE OF LARGE HAIL AND DAMAGING
WINDS WILL BE A CONCERN OVER EASTERN WYOMING AND THE NEBRASKA
PANHANDLE LATER THIS AFTERNOON.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES WEST SOUTHWEST
OF LANDER WY TO 40 MILES EAST NORTHEAST OF SCOTTSBLUFF 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.
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
26030.
...HART
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