260
WWUS20 KWNS 280427
SEL0
SPC WW 280427
NEZ000-SDZ000-281200-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 410
NWS STORM PREDICTION CENTER NORMAN OK
1125 PM CDT SAT JUN 27 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTH-CENTRAL NEBRASKA
SOUTH-CENTRAL AND SOUTHEAST SOUTH DAKOTA
* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1125 PM
UNTIL 700 AM CDT.
* 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
INCHES IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...AN EVOLVING BOW ECHO IS FORECAST TO CONTINUE
EAST-NORTHEASTWARD ACROSS NORTH-CENTRAL NEBRASKA AND SOUTH-CENTRAL
SOUTH DAKOTA INTO SOUTHEAST SOUTH DAKOTA TONIGHT. STRONG TO SEVERE
GUSTS ARE POSSIBLE WITH THIS BOW, WITH A LOW-PROBABILITY RISK FOR A
BRIEF LINE-EMBEDDED TORNADO AS WELL. ADDITIONALLY, MORE CELLULAR
ACTIVITY IS POSSIBLE IN THE WAKE OF THIS BOW, RESULTING IN A
LINGERING SEVERE THREAT ACROSS NORTH-CENTRAL NEBRASKA AND
SOUTH-CENTRAL SOUTH DAKOTA. PRIMARY RISK WITH THIS MORE CELLULAR
ACTIVITY IS LARGE TO ISOLATED VERY LARGE HAIL.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES NORTH
NORTHWEST OF AINSWORTH NE TO 5 MILES NORTHEAST OF SIOUX FALLS SD.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU0).
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 406...WW 409...
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO
2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A
FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR
27035.
...MOSIER
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page