680
WWUS20 KWNS 212247
SEL2
SPC WW 212247
NEZ000-220500-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 612
NWS STORM PREDICTION CENTER NORMAN OK
450 PM MDT FRI AUG 21 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN NEBRASKA
* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 450 PM UNTIL
1100 PM MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
MPH POSSIBLE
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
INCHES IN DIAMETER POSSIBLE
SUMMARY...ISOLATED SUPERCELLS MAY PERSIST THROUGH LATE EVENING WHILE
MOVING SOUTH-SOUTHEASTWARD ACROSS THE NEBRASKA PANHANDLE WITH THE
POTENTIAL TO PRODUCE OCCASIONAL VERY LARGE HAIL (2+ INCH DIAMETER)
AND LOCALIZED SEVERE OUTFLOW GUSTS OF 60-75 MPH.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES EAST NORTHEAST
OF CHADRON NE TO 15 MILES EAST OF SIDNEY NE. 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.
OTHER WATCH INFORMATION...CONTINUE...WW 608...WW 609...WW
610...WW 611...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR
35025.
...THOMPSON
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