346  
WUUS55 KBOU 202013  
SVRBOU  
COC001-005-121-202100-  
/O.NEW.KBOU.SV.W.0096.260620T2013Z-260620T2100Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE DENVER CO  
213 PM MDT SAT JUN 20 2026  
 
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHEASTERN ADAMS COUNTY IN NORTHEASTERN COLORADO...  
EASTERN ARAPAHOE COUNTY IN NORTHEASTERN COLORADO...  
SOUTHWESTERN WASHINGTON COUNTY IN NORTHEASTERN COLORADO...  
 
* UNTIL 300 PM MDT.  
 
* AT 213 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 4 MILES NORTH OF  
COTTONWOOD VALLEY, OR 30 MILES NORTH OF LIMON, MOVING NORTHEAST AT  
25 MPH.  
 
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL  
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT  
WIND DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
LAST CHANCE, WOODLIN SCHOOL, LINDON AND COTTONWOOD VALLEY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE AND STAY AWAY FROM  
WINDOWS. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE  
HAIL.  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM MDT SATURDAY FOR A  
PORTION OF NORTHEAST COLORADO.  
 
 
 
LAT...LON 3974 10390 3978 10393 3998 10350 3969 10332  
3957 10375 3957 10377  
PARTITION...608005  
TIME...MOT...LOC 2012Z 242DEG 21KT 3969 10378  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.50 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
63  
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