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Home Return to list Tornado Warning 0003 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-05-21 18:56:38
455
WFUS55 KBOU 212356
TORBOU
COC121-220045-
/O.NEW.KBOU.TO.W.0003.260521T2356Z-260522T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
556 PM MDT Thu May 21 2026
The National Weather Service in Denver has issued a
* Tornado Warning for...
Southeastern Washington County in northeastern Colorado...
* Until 645 PM MDT.
* At 556 PM MDT, a severe thunderstorm capable of producing a tornado
was located near Cope, or 40 miles southeast of Akron, moving east
at 15 mph.
HAZARD...Tornado and tennis ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
* Locations impacted include...
Cope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3958 10294 3977 10294 3979 10280 3958 10280
TIME...MOT...LOC 2355Z 254DEG 15KT 3964 10289
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
$$
63
Action: Continued Issued At: 2026-05-21 19:06:41
790
WWUS55 KBOU 220006
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
606 PM MDT Thu May 21 2026
COC121-220045-
/O.CON.KBOU.TO.W.0003.000000T0000Z-260522T0045Z/
Washington CO-
606 PM MDT Thu May 21 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM MDT FOR
SOUTHEASTERN WASHINGTON COUNTY...
At 606 PM MDT, a severe thunderstorm capable of producing a tornado
was located over Cope, or 38 miles southeast of Akron, moving
northeast at 25 mph.
HAZARD...Tornado and tennis ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Cope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3958 10294 3977 10294 3979 10280 3958 10280
TIME...MOT...LOC 2356Z 216DEG 20KT 3964 10288
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
$$
63
Action: Continued Issued At: 2026-05-21 19:23:40
245
WWUS55 KBOU 220023
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
623 PM MDT Thu May 21 2026
COC121-220045-
/O.CON.KBOU.TO.W.0003.000000T0000Z-260522T0045Z/
Washington CO-
623 PM MDT Thu May 21 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM MDT FOR
SOUTHEASTERN WASHINGTON COUNTY...
At 623 PM MDT, a severe thunderstorm capable of producing a tornado
was located 8 miles southwest of Cope, or 42 miles south of Akron,
moving east at 15 mph.
HAZARD...Tornado and two inch hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Cope.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3958 10294 3968 10294 3968 10281 3961 10280
3958 10280
TIME...MOT...LOC 0006Z 269DEG 13KT 3959 10302
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
$$
63
Action: Cancelled Issued At: 2026-05-21 19:32:40
570
WWUS55 KBOU 220032
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
632 PM MDT Thu May 21 2026
COC121-220042-
/O.CAN.KBOU.TO.W.0003.000000T0000Z-260522T0045Z/
Washington CO-
632 PM MDT Thu May 21 2026
...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN WASHINGTON COUNTY...
The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.
A Severe Thunderstorm Watch remains in effect until 1000 PM MDT
Thursday for a portion of northeast Colorado.
&&
LAT...LON 3958 10294 3968 10294 3968 10281 3961 10280
3958 10280
TIME...MOT...LOC 0023Z 269DEG 13KT 3959 10294
$$
63
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