590
WWUS20 KWNS 300005
SEL8
SPC WW 300005
NEZ000-SDZ000-WYZ000-300600-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 558
NWS STORM PREDICTION CENTER NORMAN OK
605 PM MDT TUE JUL 29 2025
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHWEST NEBRASKA PANHANDLE
SOUTHWEST SOUTH DAKOTA
EASTERN WYOMING
* EFFECTIVE THIS TUESDAY NIGHT FROM 605 PM UNTIL MIDNIGHT MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
SUMMARY...THUNDERSTORMS CURRENTLY ONGOING ACROSS CENTRAL WY ARE
EXPECTED TO PERSIST EASTWARD THIS EVENING WHILE ALSO TRENDING
TOWARDS A MORE LINEAR STRUCTURE. THE ENVIRONMENTAL ACROSS EASTERN WY
AND ADJACENT SOUTHWEST SD/NE PANHANDLE SUPPORTS A CONTINUED RISK FOR
DAMAGING GUSTS THROUGH THE EVENING.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES EAST NORTHEAST
OF GILLETTE WY TO 10 MILES SOUTHWEST OF TORRINGTON WY. 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 556...WW 557...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
27030.
...MOSIER
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