Thanatos Weather
Sunday, May 24, 2026 11:31:00

Products in the Last Seven Days
Type Phenomena Count
WarningSevere Thunderstorm994
AdvisoryAreal Flood327
AdvisorySmall Craft171
WarningTornado152
WarningFlash Flood142
WatchSevere Thunderstorm63
AdvisoryFrost57
WarningFreeze42
AdvisoryWind40
WarningFire Weather38
WatchFire Weather30
WatchAreal Flood28
WatchTornado25
AdvisoryDense Fog16
WarningGale14
WatchFreeze14
AdvisoryLake Wind12
WatchGale11
WarningDust Storm10
AdvisoryWinter Weather10
WarningHigh Wind9
WatchHazardous Seas8
AdvisoryHeat7
WatchWinter Storm6
WarningWinter Storm6
AdvisoryBlowing Dust5
AdvisoryDust Storm3
AdvisoryFlood2
WatchHigh Wind2
WarningHazardous Seas2
WarningBlowing Dust1
Most Active Forecast Offices
Forecast Office Products
Omaha / Valley, NE103
San Angelo, TX103
Topeka, KS99
Austin / San Antonio, TX64
Midland / Odessa, TX61
Kansas City / Pleasant Hill, MO54
Amarillo, TX51
Norman, OK50
Wichita, KS48
Detroit / Pontiac, MI47
Louisville, KY43
Baton Rouge, LA42
Lubbock, TX41
Marquette, MI40
Sioux Falls, SD39
Wilmington, OH39
Des Moines, IA38
Corpus Christi, TX38
Shreveport, LA36
Mount Holly / Philadelphia, NJ36
Product Count by Day
Date Warn Watch Advis.
2026-05-2411 1435
2026-05-23153 983
2026-05-22170 1270
2026-05-21117 9103
2026-05-20115 1281
2026-05-19186 1874
2026-05-18337 42126
2026-05-17284 3260
2026-05-1623 2522
Particularly Dangerous Situations
Product Forecast Office
Tornado Warning 0005Hastings, NE
Tornado Warning 0032Omaha / Valley, NE
Tornado Warning 0044Kansas City / Pleasant Hill, MO
Home
Return to list
Severe Thunderstorm Warning 0015
Issued by the Denver / Boulder Forecast Office

Action Issued Starts Expiration
New 2026-05-21 16:31:04 2026-05-21 16:30:00 2026-05-21 17:15:00
Continued 2026-05-21 16:42:03 2026-05-21 17:15:00
Cancelled 2026-05-21 17:01:05 2026-05-21 17:15:00


Action: New
Issued At: 2026-05-21 16:31:04

477 
WUUS55 KBOU 212130
SVRBOU
COC005-212215-
/O.NEW.KBOU.SV.W.0015.260521T2130Z-260521T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
330 PM MDT Thu May 21 2026

The National Weather Service in Denver has issued a

* Severe Thunderstorm Warning for...
  Central Arapahoe and Eastern Arapahoe County in northeastern
  Colorado...

* Until 415 PM MDT.

* At 330 PM MDT, a severe thunderstorm was located 7 miles south of
  Byers, or 35 miles northwest of Limon, moving east 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...
  Deer Trail and Byers.

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 3957 10422 3972 10424 3974 10401 3974 10390
      3957 10388
PARTITION...508005 608005
TIME...MOT...LOC 2130Z 257DEG 16KT 3961 10419

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

$$

63


Action: Continued
Issued At: 2026-05-21 16:42:03

688 
WWUS55 KBOU 212141
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
341 PM MDT Thu May 21 2026

COC005-212215-
/O.CON.KBOU.SV.W.0015.000000T0000Z-260521T2215Z/
Arapahoe CO-
341 PM MDT Thu May 21 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR
CENTRAL ARAPAHOE AND EASTERN ARAPAHOE COUNTY...

At 341 PM MDT, a severe thunderstorm was located 4 miles west of Deer
Trail, or 33 miles northwest of Limon, moving east 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...
  Deer Trail.

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 3957 10420 3973 10417 3974 10401 3974 10390
      3957 10388
PARTITION...508005 608005
TIME...MOT...LOC 2130Z 257DEG 16KT 3961 10418

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

$$

63


Action: Cancelled
Issued At: 2026-05-21 17:01:05

305 
WWUS55 KBOU 212200
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
400 PM MDT Thu May 21 2026

COC005-212210-
/O.CAN.KBOU.SV.W.0015.000000T0000Z-260521T2215Z/
Arapahoe CO-
400 PM MDT Thu May 21 2026

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR CENTRAL ARAPAHOE AND
EASTERN ARAPAHOE COUNTY...

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 has been cancelled. However, small hail, gusty
winds, and heavy rain are still possible with this thunderstorm.

&&

LAT...LON 3957 10420 3973 10417 3974 10401 3974 10390
      3957 10388
PARTITION...508005 608005
TIME...MOT...LOC 2141Z 257DEG 16KT 3962 10412

$$

63



Page Loaded at: 2026-05-24 11:31:00 -- Client Address: 216.73.216.175 -- Refresh Time: seconds