604
WWUS85 KBOU 220317
SPSBOU
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
917 PM MDT SUN JUN 21 2026
COZ035-039-220345-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY CO-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET
CO-
917 PM MDT SUN JUN 21 2026
...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN BOULDER COUNTY
UNTIL 945 PM MDT...
AT 917 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
GOLD HILL, OR 36 MILES NORTHWEST OF DENVER, MOVING EAST AT 15 MPH.
HAZARD...WIND GUSTS UP TO 40 MPH AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND
UNSECURED OBJECTS. MINOR DAMAGE TO OUTDOOR OBJECTS IS
POSSIBLE.
LOCATIONS IMPACTED INCLUDE...
NORTHWESTERN BOULDER, JAMESTOWN, SUMMERVILLE, SUNSHINE, GOLD HILL,
SALINA, WALLSTREET, CRISMAN, RAYMOND, PEACEFUL VALLEY AND
ALLENSPARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.
LAT...LON 4017 10553 4016 10550 4017 10549 4018 10529
4000 10527 3999 10552 4002 10552 4003 10549
4003 10551 4005 10549 4006 10551 4008 10549
4008 10547 4010 10550 4013 10550 4013 10553
4015 10550
TIME...MOT...LOC 0317Z 267DEG 13KT 4008 10543
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
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