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Severe Thunderstorm Warning 0357
Issued by the Denver / Boulder Forecast Office

Action Issued Starts Expiration
New 2025-09-11 17:53:56 2025-09-11 17:53:00 2025-09-11 18:30:00
Expired 2025-09-11 18:31:04 2025-09-11 18:30:00


Action: New
Issued At: 2025-09-11 17:53:56

006 
WUUS55 KBOU 112253
SVRBOU
COC123-112330-
/O.NEW.KBOU.SV.W.0357.250911T2253Z-250911T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
453 PM MDT Thu Sep 11 2025

The National Weather Service in Denver has issued a

* Severe Thunderstorm Warning for...
  Northeastern Weld County in northeastern Colorado...

* Until 530 PM MDT.

* At 453 PM MDT, a severe thunderstorm was located 6 miles northwest 
  of Pawnee Buttes, or 46 miles north of Fort Morgan, moving east 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...
  Pawnee Buttes.

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.

&&

LAT...LON 4080 10411 4100 10425 4100 10378 4084 10379
      4080 10391
TIME...MOT...LOC 2253Z 249DEG 20KT 4088 10406

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RJK


Action: Expired
Issued At: 2025-09-11 18:31:04

105 
WWUS55 KBOU 112330
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
530 PM MDT Thu Sep 11 2025

COC123-112340-
/O.EXP.KBOU.SV.W.0357.000000T0000Z-250911T2330Z/
Weld CO-
530 PM MDT Thu Sep 11 2025

...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR NORTHEASTERN WELD 
COUNTY...

The storm which prompted the warning has moved out of the area. 
Therefore, the warning has been allowed to expire. However, small 
hail is still possible with this thunderstorm.

&&

LAT...LON 4080 10411 4100 10425 4100 10378 4084 10379
      4080 10391
TIME...MOT...LOC 2253Z 249DEG 20KT 4088 10406

$$

RJK



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