923
WWUS20 KWNS 272112
SEL7
SPC WW 272112
COZ000-NEZ000-280500-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 407
NWS STORM PREDICTION CENTER NORMAN OK
315 PM MDT SAT JUN 27 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
FAR NORTHEAST COLORADO
WESTERN NEBRASKA
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 315 PM UNTIL
1100 PM MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80
MPH POSSIBLE
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...AT LEAST WIDELY SCATTERED SEVERE THUNDERSTORMS ARE
EXPECTED TO DEVELOP, POTENTIALLY INCLUDING A FEW HIGHER-BASED
SUPERCELLS. LARGE HAIL AND SEVERE-CALIBER WINDS ARE EXPECTED TO BE
THE PRIMARY HAZARD.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH OF
SCOTTSBLUFF NE TO 45 MILES SOUTH SOUTHWEST OF NORTH PLATTE NE. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).
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...
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 550. MEAN STORM MOTION VECTOR
25025.
...GUYER
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