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Home Return to list Severe Thunderstorm Warning 0311 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-08-13 21:02:33
135
WUUS55 KBOU 140202
SVRBOU
COC123-140230-
/O.NEW.KBOU.SV.W.0311.260814T0202Z-260814T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
802 PM MDT Thu Aug 13 2026
The National Weather Service in Denver has issued a
* Severe Thunderstorm Warning for...
West Central Weld County in northeastern Colorado...
* Until 830 PM MDT.
* At 802 PM MDT, a severe thunderstorm was located over Severance, or
9 miles northwest of Greeley, moving east at 15 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
* Locations impacted include...
Northern Greeley, Windsor, Eaton, Severance, Ault, Pierce, Lucerne,
New Windsor Reservoir and Black Hollow Reservoir.
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 4044 10490 4064 10491 4065 10467 4045 10463
TIME...MOT...LOC 0202Z 266DEG 12KT 4053 10483
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
63
Action: Continued Issued At: 2026-08-13 21:12:34
383
WWUS55 KBOU 140212
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
812 PM MDT Thu Aug 13 2026
COC123-140230-
/O.CON.KBOU.SV.W.0311.000000T0000Z-260814T0230Z/
Weld CO-
812 PM MDT Thu Aug 13 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM MDT FOR
WEST CENTRAL WELD COUNTY...
At 812 PM MDT, a severe thunderstorm was located near Severance, or 8
miles north of Greeley, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Northern Greeley, Windsor, Eaton, Severance, Ault, Pierce and
Lucerne.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
Heavy rain is occurring with this storm and may lead to flooding. Do
not drive your vehicle through flooded roadways.
&&
LAT...LON 4044 10487 4063 10485 4065 10467 4049 10464
4045 10463
TIME...MOT...LOC 0202Z 266DEG 12KT 4053 10483
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
63
Action: Expired Issued At: 2026-08-13 21:27:20
712
WWUS55 KBOU 140226
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
826 PM MDT Thu Aug 13 2026
COC123-140236-
/O.EXP.KBOU.SV.W.0311.000000T0000Z-260814T0230Z/
Weld CO-
826 PM MDT Thu Aug 13 2026
...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 830 PM MDT FOR WEST
CENTRAL WELD 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. However, small
hail, gusty winds, and heavy rain are still possible with this
thunderstorm.
&&
LAT...LON 4044 10487 4063 10485 4065 10467 4049 10464
4045 10463
TIME...MOT...LOC 0212Z 266DEG 12KT 4053 10479
$$
63
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