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Home Return to list Severe Thunderstorm Warning 0313 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-08-13 22:11:37
963
WUUS55 KBOU 140311
SVRBOU
COC075-123-140400-
/O.NEW.KBOU.SV.W.0313.260814T0311Z-260814T0400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
911 PM MDT Thu Aug 13 2026
The National Weather Service in Denver has issued a
* Severe Thunderstorm Warning for...
Northwestern Logan County in northeastern Colorado...
Northeastern Weld County in northeastern Colorado...
* Until 1000 PM MDT.
* At 911 PM MDT, a severe thunderstorm was located 9 miles north of
Stoneham, or 25 miles west of Sterling, moving north at 35 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...
Westplains.
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 4062 10358 4070 10377 4100 10372 4087 10327
4062 10357
TIME...MOT...LOC 0311Z 202DEG 28KT 4074 10364
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MAI
Action: Continued Issued At: 2026-08-13 22:19:37
195
WWUS55 KBOU 140319
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
919 PM MDT Thu Aug 13 2026
COC075-123-140400-
/O.CON.KBOU.SV.W.0313.000000T0000Z-260814T0400Z/
Logan CO-Weld CO-
919 PM MDT Thu Aug 13 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FOR
NORTHWESTERN LOGAN AND NORTHEASTERN WELD COUNTIES...
At 919 PM MDT, a severe thunderstorm was located 8 miles southwest of
Westplains, or 25 miles northwest of Sterling, moving north at 35
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Westplains.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.
Heavy rain is occurring with this storm and may lead to flooding. Do
not drive your vehicle through flooded roadways.
&&
LAT...LON 4070 10357 4076 10371 4099 10369 4087 10327
4068 10352
TIME...MOT...LOC 0311Z 202DEG 28KT 4074 10364
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MAI
Action: Continued Issued At: 2026-08-13 22:35:38
499
WWUS55 KBOU 140335
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
935 PM MDT Thu Aug 13 2026
COC075-123-140400-
/O.CON.KBOU.SV.W.0313.000000T0000Z-260814T0400Z/
Logan CO-Weld CO-
935 PM MDT Thu Aug 13 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 10 PM MDT FOR
NORTHWESTERN LOGAN AND NORTHEASTERN WELD COUNTIES...
At 935 PM MDT, a severe thunderstorm was located 4 miles northwest of
Westplains, or 27 miles northwest of Sterling, moving north at 35
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...
Westplains.
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 4096 10357 4090 10336 4079 10348 4089 10370
4099 10369
TIME...MOT...LOC 0319Z 202DEG 28KT 4080 10361
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MAI
Action: Cancelled Issued At: 2026-08-13 22:40:08
547
WWUS55 KBOU 140339
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
939 PM MDT Thu Aug 13 2026
COC075-123-140349-
/O.CAN.KBOU.SV.W.0313.000000T0000Z-260814T0400Z/
Logan CO-Weld CO-
939 PM MDT Thu Aug 13 2026
...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHWESTERN LOGAN
AND NORTHEASTERN WELD COUNTIES...
The Severe Thunderstorm Warning that was previously in effect has
been reissued for Weld and Logan Counties and is in effect until 1015
PM MDT. Please refer to that bulletin for the latest severe weather
information.
&&
LAT...LON 4096 10357 4090 10336 4079 10348 4089 10370
4099 10369
TIME...MOT...LOC 0335Z 202DEG 28KT 4091 10355
$$
MAI
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