478
WWUS20 KWNS 052259
SEL9
SPC WW 052259
COZ000-NEZ000-060300-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 659
NWS STORM PREDICTION CENTER NORMAN OK
500 PM MDT SAT SEP 5 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 500 PM UNTIL
900 PM MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
SUMMARY...A FEW SUPERCELLS WILL LIKELY YIELD A RISK FOR LARGE HAIL
THROUGH THE EARLY EVENING. AS MORE STORMS DEVELOP THIS EVENING AND
OUTFLOW AGGREGATES, THE POTENTIAL FOR SEVERE GUSTS MAY INCREASE
BEFORE STORMS WEAKEN BY LATE EVENING.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES EAST OF CHADRON
NE TO 50 MILES SOUTH SOUTHEAST OF SIDNEY NE. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU9).
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 656...WW 657...WW 658...
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
25010.
...SMITH
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