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Home Return to list Tornado Warning 0001 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-05-21 17:52:36
685
WFUS55 KBOU 212252
TORBOU
COC073-121-212330-
/O.NEW.KBOU.TO.W.0001.260521T2252Z-260521T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
452 PM MDT Thu May 21 2026
The National Weather Service in Denver has issued a
* Tornado Warning for...
North Central Lincoln County in east central Colorado...
Southwestern Washington County in northeastern Colorado...
* Until 530 PM MDT.
* At 452 PM MDT, a severe thunderstorm capable of producing a tornado
was located 7 miles south of Last Chance, or 26 miles north of
Limon, moving east at 20 mph.
HAZARD...Tornado and golf 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...
Mainly rural areas of North Central Lincoln and Southwestern
Washington Counties.
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 3957 10368 3970 10369 3971 10335 3953 10333
3953 10368
TIME...MOT...LOC 2251Z 270DEG 17KT 3964 10358
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
$$
63
Action: Continued Issued At: 2026-05-21 18:03:07
999
WWUS55 KBOU 212302
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
502 PM MDT Thu May 21 2026
COC073-121-212330-
/O.CON.KBOU.TO.W.0001.000000T0000Z-260521T2330Z/
Lincoln CO-Washington CO-
502 PM MDT Thu May 21 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM MDT FOR NORTH
CENTRAL LINCOLN AND SOUTHWESTERN WASHINGTON COUNTIES...
At 502 PM MDT, a severe thunderstorm capable of producing a tornado
was located 9 miles southeast of Last Chance, or 27 miles north of
Limon, moving east at 20 mph.
HAZARD...Tornado and golf ball size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Mainly rural areas of North Central Lincoln and Southwestern
Washington Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.
&&
LAT...LON 3957 10362 3970 10361 3971 10335 3953 10333
3953 10362
TIME...MOT...LOC 2252Z 270DEG 17KT 3964 10357
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
$$
63
Action: Continued Issued At: 2026-05-21 18:11:37
224
WWUS55 KBOU 212311
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
511 PM MDT Thu May 21 2026
COC073-121-212330-
/O.CON.KBOU.TO.W.0001.000000T0000Z-260521T2330Z/
Lincoln CO-Washington CO-
511 PM MDT Thu May 21 2026
...TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM MDT FOR NORTH
CENTRAL LINCOLN AND SOUTH CENTRAL WASHINGTON COUNTIES...
At 511 PM MDT, a severe thunderstorm capable of producing a tornado
was located 8 miles south of Lindon, or 29 miles northeast of Limon,
moving east at 20 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...
Mainly rural areas of North Central Lincoln and South Central
Washington Counties.
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 10357 3970 10357 3971 10335 3953 10333
3953 10355
TIME...MOT...LOC 2302Z 270DEG 17KT 3964 10350
TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.50 IN
$$
63
Action: Expired Issued At: 2026-05-21 18:30:37
844
WWUS55 KBOU 212329
SVSBOU
Severe Weather Statement
National Weather Service Denver CO
529 PM MDT Thu May 21 2026
COC073-121-212339-
/O.EXP.KBOU.TO.W.0001.000000T0000Z-260521T2330Z/
Lincoln CO-Washington CO-
529 PM MDT Thu May 21 2026
...TORNADO WARNING WILL EXPIRE AT 530 PM MDT FOR NORTH CENTRAL
LINCOLN AND SOUTH CENTRAL WASHINGTON COUNTIES...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1000 PM MDT
Thursday for portions of east central and northeast Colorado.
&&
LAT...LON 3958 10357 3970 10357 3971 10335 3953 10333
3953 10355
TIME...MOT...LOC 2311Z 270DEG 17KT 3964 10345
$$
63
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