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Monday, Aug 10, 2026 02:14:28

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Severe Thunderstorm Warning 0294
Issued by the Denver / Boulder Forecast Office

Action Issued Starts Expiration
New 2026-08-09 22:08:37 2026-08-09 22:08:00 2026-08-09 22:45:00
Continued 2026-08-09 22:22:37 2026-08-09 22:45:00
Expired 2026-08-09 22:43:08 2026-08-09 22:45:00


Action: New
Issued At: 2026-08-09 22:08:37

988 
WUUS55 KBOU 100308
SVRBOU
COC095-115-100345-
/O.NEW.KBOU.SV.W.0294.260810T0308Z-260810T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
908 PM MDT Sun Aug 9 2026

The National Weather Service in Denver has issued a

* Severe Thunderstorm Warning for...
  Northeastern Phillips County in northeastern Colorado...
  Eastern Sedgwick County in northeastern Colorado...

* Until 945 PM MDT.

* At 908 PM MDT, severe thunderstorms were located along a line from
  near Ovid to 8 miles north of Holyoke, or along a line from 4 miles
  west of Julesburg to 8 miles north of Holyoke, moving east at 20
  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...
  Julesburg, Ovid, Sixteen-Mile Corner and Amherst.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds and
large hail.

&&

LAT...LON 4075 10239 4084 10240 4100 10240 4100 10205
      4063 10205 4064 10238
TIME...MOT...LOC 0308Z 280DEG 15KT 4097 10235 4084 10236 4069 10234

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

63


Action: Continued
Issued At: 2026-08-09 22:22:37

378 
WWUS55 KBOU 100322
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
922 PM MDT Sun Aug 9 2026

COC095-115-100345-
/O.CON.KBOU.SV.W.0294.000000T0000Z-260810T0345Z/
Phillips CO-Sedgwick CO-
922 PM MDT Sun Aug 9 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM MDT FOR
NORTHEASTERN PHILLIPS AND EASTERN SEDGWICK COUNTIES...

At 922 PM MDT, severe thunderstorms were located along a line from
near Julesburg to 6 miles south of Sixteen-Mile Corner, or along a
line from near Julesburg to 7 miles north of Holyoke, moving
southeast at 20 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...
  Julesburg, Sixteen-Mile Corner and Amherst.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds and
large hail.

&&

LAT...LON 4075 10231 4082 10232 4100 10232 4100 10205
      4063 10205 4064 10226 4064 10231
TIME...MOT...LOC 0308Z 301DEG 17KT 4099 10235 4086 10236 4072 10234

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

63


Action: Expired
Issued At: 2026-08-09 22:43:08

779 
WWUS55 KBOU 100342
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
942 PM MDT Sun Aug 9 2026

COC095-115-100352-
/O.EXP.KBOU.SV.W.0294.000000T0000Z-260810T0345Z/
Phillips CO-Sedgwick CO-
942 PM MDT Sun Aug 9 2026

...SEVERE THUNDERSTORM WARNING WILL EXPIRE AT 945 PM MDT FOR
NORTHEASTERN PHILLIPS AND EASTERN SEDGWICK COUNTIES...

The storms which prompted the warning have weakened below severe
limits, and no longer pose 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 these
thunderstorms.

A Severe Thunderstorm Watch remains in effect until 1200 AM MDT for a
portion of northeast Colorado.

&&

LAT...LON 4075 10231 4082 10232 4100 10232 4100 10205
      4063 10205 4064 10226 4064 10231
TIME...MOT...LOC 0322Z 301DEG 17KT 4096 10227 4083 10228 4068 10226

$$

63



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