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Home Return to list Severe Thunderstorm Warning 0304 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-08-13 17:28:27
863
WUUS55 KBOU 132227
SVRBOU
COC005-132300-
/O.NEW.KBOU.SV.W.0304.260813T2227Z-260813T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
427 PM MDT Thu Aug 13 2026
The National Weather Service in Denver has issued a
* Severe Thunderstorm Warning for...
Western Arapahoe and Central Arapahoe County in northeastern
Colorado...
* Until 500 PM MDT.
* At 427 PM MDT, a severe thunderstorm was located over Arapahoe
Park, or 16 miles east of Denver, moving east at 15 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...
Eastern Aurora and Arapahoe Park.
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.
Heavy rain is occurring with this storm and may lead to flooding. Do
not drive your vehicle through flooded roadways.
&&
LAT...LON 3957 10472 3974 10470 3974 10446 3957 10448
3956 10448 3957 10454
PARTITION...408005 508005
TIME...MOT...LOC 2227Z 270DEG 11KT 3965 10467
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
63
Action: Continued Issued At: 2026-08-13 17:37:27
166
WWUS55 KBOU 132237
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
437 PM MDT Thu Aug 13 2026
COC005-132300-
/O.CON.KBOU.SV.W.0304.000000T0000Z-260813T2300Z/
Arapahoe CO-
437 PM MDT Thu Aug 13 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 5 PM MDT FOR
WESTERN ARAPAHOE AND CENTRAL ARAPAHOE COUNTY...
At 437 PM MDT, a severe thunderstorm was located 6 miles southeast of
Aurora, or 17 miles east of Denver, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Eastern Aurora.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
Heavy rain is occurring with this storm and may lead to flooding. Do
not drive your vehicle through flooded roadways.
&&
LAT...LON 3957 10469 3974 10466 3974 10446 3957 10448
3956 10448 3956 10450 3957 10454
PARTITION...408005 508005
TIME...MOT...LOC 2227Z 270DEG 11KT 3965 10467
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
63
Action: Expired Issued At: 2026-08-13 17:52:57
622
WWUS55 KBOU 132252
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
452 PM MDT Thu Aug 13 2026
COC005-132302-
/O.EXP.KBOU.SV.W.0304.000000T0000Z-260813T2300Z/
Arapahoe CO-
452 PM MDT Thu Aug 13 2026
...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 5 PM MDT FOR WESTERN
ARAPAHOE AND CENTRAL ARAPAHOE COUNTY...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
&&
LAT...LON 3957 10469 3974 10466 3974 10446 3957 10448
3956 10448 3956 10450 3957 10454
PARTITION...408005 508005
TIME...MOT...LOC 2237Z 270DEG 11KT 3965 10463
$$
63
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