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Home Return to list Severe Thunderstorm Warning 0117 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-06-22 16:48:42
412
WUUS55 KBOU 222148
SVRBOU
COC075-222230-
/O.NEW.KBOU.SV.W.0117.260622T2148Z-260622T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
348 PM MDT Mon Jun 22 2026
The National Weather Service in Denver has issued a
* Severe Thunderstorm Warning for...
Northwestern Logan County in northeastern Colorado...
* Until 430 PM MDT.
* At 348 PM MDT, a severe thunderstorm was located 6 miles northeast
of Westplains, or 25 miles northwest of Sterling, moving southeast
at 15 mph.
HAZARD...Two inch hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles. This storm has a
recent history of golfball size hail.
* Locations impacted include...
North Sterling Reservoir and Padroni.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 4092 10351 4095 10346 4095 10317 4079 10306
4069 10345
TIME...MOT...LOC 2148Z 326DEG 15KT 4093 10343
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
Schlatter
Action: Continued Issued At: 2026-06-22 17:01:13
792
WWUS55 KBOU 222200
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
400 PM MDT Mon Jun 22 2026
COC075-222230-
/O.CON.KBOU.SV.W.0117.000000T0000Z-260622T2230Z/
Logan CO-
400 PM MDT Mon Jun 22 2026
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR
NORTHWESTERN LOGAN COUNTY...
At 400 PM MDT, a severe thunderstorm was located 6 miles east of
Westplains, or 21 miles northwest of Sterling, moving southeast at 15
mph.
HAZARD...Two inch hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect damage
to roofs, siding, windows, and vehicles.
Locations impacted include...
North Sterling Reservoir and Padroni.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm is capable of producing
dangerous hail.
Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.
&&
LAT...LON 4086 10346 4090 10341 4093 10323 4079 10306
4069 10345
TIME...MOT...LOC 2148Z 326DEG 15KT 4093 10343
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
$$
Schlatter
Action: Expired Issued At: 2026-06-22 17:34:14
827
WWUS55 KBOU 222233
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
433 PM MDT Mon Jun 22 2026
COC075-222243-
/O.EXP.KBOU.SV.W.0117.000000T0000Z-260622T2230Z/
Logan CO-
433 PM MDT Mon Jun 22 2026
...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR NORTHWESTERN LOGAN
COUNTY...
The Severe Thunderstorm Warning that was previously in effect has
been reissued for Logan County and is in effect until 500 PM MDT.
Please refer to that bulletin for the latest severe weather
information.
A Severe Thunderstorm Watch remains in effect until 900 PM MDT Monday
for a portion of northeast Colorado.
&&
LAT...LON 4086 10346 4090 10341 4093 10323 4079 10306
4069 10345
TIME...MOT...LOC 2200Z 326DEG 15KT 4088 10339
$$
Schlatter
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