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Severe Thunderstorm Warning 0392
Issued by the Denver / Boulder Forecast Office

Action Issued Starts Expiration
New 2026-09-18 17:47:59 2026-09-18 17:47:00 2026-09-18 18:15:00
Continued 2026-09-18 17:55:29 2026-09-18 18:15:00
Expired 2026-09-18 18:10:59 2026-09-18 18:15:00


Action: New
Issued At: 2026-09-18 17:47:59

640 
WUUS55 KBOU 182247
SVRBOU
COC001-005-182315-
/O.NEW.KBOU.SV.W.0392.260918T2247Z-260918T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
447 PM MDT Fri Sep 18 2026

The National Weather Service in Denver has issued a

* Severe Thunderstorm Warning for...
  South Central Adams County in northeastern Colorado...
  Central Arapahoe County in northeastern Colorado...

* Until 515 PM MDT.

* At 447 PM MDT, a severe thunderstorm was located over Watkins, or
  18 miles east of Denver, moving northeast at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Eastern Aurora, Manila Village and Watkins.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.

&&

LAT...LON 3974 10465 3976 10466 3981 10448 3971 10443
      3967 10461 3970 10462 3974 10464
PARTITION...508005
TIME...MOT...LOC 2247Z 243DEG 16KT 3972 10460

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

63


Action: Continued
Issued At: 2026-09-18 17:55:29

733 
WWUS55 KBOU 182255
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
455 PM MDT Fri Sep 18 2026

COC001-005-182315-
/O.CON.KBOU.SV.W.0392.000000T0000Z-260918T2315Z/
Adams CO-Arapahoe CO-
455 PM MDT Fri Sep 18 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM MDT FOR
ADAMS AND CENTRAL ARAPAHOE COUNTIES...

At 455 PM MDT, a severe thunderstorm was located near Watkins, or 21
miles east of Denver, moving northeast at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Eastern Aurora, Manila Village and Watkins.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds.

&&

LAT...LON 3975 10463 3977 10464 3981 10448 3971 10443
      3967 10460 3970 10461 3974 10463
PARTITION...508005
TIME...MOT...LOC 2247Z 243DEG 16KT 3972 10460

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

63


Action: Expired
Issued At: 2026-09-18 18:10:59

253 
WWUS55 KBOU 182310
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
510 PM MDT Fri Sep 18 2026

COC001-005-182320-
/O.EXP.KBOU.SV.W.0392.000000T0000Z-260918T2315Z/
Adams CO-Arapahoe CO-
510 PM MDT Fri Sep 18 2026

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 515 PM MDT FOR ADAMS
AND CENTRAL ARAPAHOE COUNTIES...

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 3975 10463 3977 10464 3981 10448 3971 10443
      3967 10460 3970 10461 3974 10463
PARTITION...508005
TIME...MOT...LOC 2255Z 243DEG 16KT 3974 10456

$$

63



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