644
WWUS20 KWNS 162103
SEL9
SPC WW 162103
COZ000-KSZ000-NEZ000-170400-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 209
NWS STORM PREDICTION CENTER NORMAN OK
305 PM MDT SAT MAY 16 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST COLORADO
NORTHWEST KANSAS
SOUTHWEST NEBRASKA
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
1000 PM MDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80
MPH LIKELY
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER LIKELY
A TORNADO OR TWO POSSIBLE
SUMMARY...THUNDERSTORM COVERAGE IS EXPECTED TO INCREASE ACROSS
NORTHEAST COLORADO THIS AFTERNOON, WITH ADDITIONAL ISOLATED STORMS
FARTHER EAST INTO SOUTHWEST NEBRASKA. THE COLORADO STORMS WILL
LIKELY DEVELOP INTO A WELL-ORGANIZED CONVECTIVE LINE BY THIS
EVENING, TRACKING EAST-NORTHEASTWARD DURING THE EVENING AND
OVERNIGHT. LARGE TO VERY LARGE HAIL IS POSSIBLE INITIALLY, WITH A
TRANSITION TO DAMAGING GUSTS ONCE THE CONVECTIVE LINE DEVELOPS.
SIGNIFICANT SEVERE GUSTS OVER 75 MPH ARE POSSIBLE. THERE IS ALSO A
LOW-PROBABILITY TORNADO RISK WITH ANY MORE DISCRETE STORMS ALONG THE
SOUTHERN PERIPHERY OF ANY CONVECTIVE LINE.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90
STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES NORTHEAST OF
SIDNEY NE TO 35 MILES SOUTH OF BURLINGTON CO. 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 208...
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
24035.
...MOSIER
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