Alert archive / Colorado / Tornado Warnings in 2021

Tornado Warning 14, NWS Denver/Boulder, CO

May 22, 2021Elbert County, Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at May 22, 2021, 5:16 PM MDT for Elbert County, Lincoln County, Colorado. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 22, 2021, 5:16 PM MDT (23:16 UTC)
Expired
May 22, 2021, 5:45 PM MDT
In force
29 min
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Elbert County, CO, Lincoln County, CO

The radar

The Denver radar (KFTG), 91 km from the middle of the area, began a volume at 23:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 22, 12:20 PM MDTTornado WatchSPC8 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.3 hours before the alert went out and 62 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2021-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2021-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1528 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

205 
WFUS55 KBOU 222316
TORBOU
COC039-073-222345-
/O.NEW.KBOU.TO.W.0014.210522T2316Z-210522T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
516 PM MDT Sat May 22 2021

The National Weather Service in Denver Colorado has issued a

* Tornado Warning for...
  East central Elbert County in east central Colorado...
  North central Lincoln County in east central Colorado...

* Until 545 PM MDT.
    
* At 514 PM MDT, a severe thunderstorm capable of producing a 
  tornado was located near Limon, moving north at 40 mph.  Another 
  storm capable of producing a tornado was located south of Limon.

  HAZARD...Tornado.

  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...
  Limon and Genoa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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 3956 10370 3955 10341 3914 10349 3916 10378
TIME...MOT...LOC 2314Z 190DEG 37KT 3923 10367 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

RPK
2 follow-up statements
175 
WWUS55 KBOU 222329
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
529 PM MDT Sat May 22 2021

COC039-222339-
/O.CAN.KBOU.TO.W.0014.000000T0000Z-210522T2345Z/
Elbert CO-
529 PM MDT Sat May 22 2021

...THE TORNADO WARNING FOR EAST CENTRAL ELBERT COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 PM MDT for east central
Colorado.

LAT...LON 3915 10371 3933 10372 3956 10369 3955 10341
      3914 10349
TIME...MOT...LOC 2329Z 190DEG 37KT 3939 10363 

$$

COC073-222345-
/O.CON.KBOU.TO.W.0014.000000T0000Z-210522T2345Z/
Lincoln CO-
529 PM MDT Sat May 22 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR NORTH
CENTRAL LINCOLN COUNTY...
    
At 529 PM MDT, a severe thunderstorm capable of producing a tornado
was located 8 miles north of Limon, moving north at 45 mph.

HAZARD...Tornado and quarter 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...
Limon and Genoa. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid 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 3915 10371 3933 10372 3956 10369 3955 10341
      3914 10349
TIME...MOT...LOC 2329Z 190DEG 37KT 3939 10363 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

RPK
259 
WWUS55 KBOU 222342
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
542 PM MDT Sat May 22 2021

COC073-222351-
/O.EXP.KBOU.TO.W.0014.000000T0000Z-210522T2345Z/
Lincoln CO-
542 PM MDT Sat May 22 2021

...THE TORNADO WARNING FOR NORTH CENTRAL LINCOLN COUNTY WILL EXPIRE
AT 545 PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

A Tornado Watch remains in effect until 800 PM MDT for east central
Colorado.

LAT...LON 3915 10371 3933 10372 3956 10369 3955 10341
      3914 10349
TIME...MOT...LOC 2341Z 190DEG 37KT 4029 10342 

$$

RPK

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 21, 7:18 PM MDTSpecial Weather StatementBOUMorgan27 min
May 21, 10:57 PM MDTSpecial Weather StatementBOUPhillips, Sedgwick48 min
May 22, 1:11 PM MDTSevere Thunderstorm WarningBOUAdams, Logan, Morgan, Washington49 min
May 22, 1:28 PM MDTTornado Warning Tornado observedBOUMorgan17 min
May 22, 1:45 PM MDTTornado WarningBOUMorgan15 min
May 22, 1:54 PM MDTTornado Warning Tornado observedBOUMorgan, Washington36 min
May 22, 1:56 PM MDTSevere Thunderstorm WarningBOUDouglas, Elbert28 min
May 22, 1:58 PM MDTSevere Thunderstorm WarningBOULogan, Morgan, Washington33 min
May 22, 2:05 PM MDTTornado WarningBOUAdams, Arapahoe25 min
May 22, 2:18 PM MDTSpecial Weather StatementBOUAdams42 min
May 22, 2:43 PM MDTTornado WarningBOULogan17 min
May 22, 2:46 PM MDTSevere Thunderstorm WarningBOUPhillips, Sedgwick44 min
May 22, 2:57 PM MDTSevere Thunderstorm WarningBOULogan, Sedgwick48 min
May 22, 3:01 PM MDTTornado WarningBOULogan29 min
May 22, 3:16 PM MDTTornado WarningBOULincoln29 min
May 22, 3:25 PM MDTSevere Thunderstorm WarningBOUWeld35 min
May 22, 3:48 PM MDTTornado WarningBOUElbert, Lincoln27 min
May 22, 3:53 PM MDTSevere Thunderstorm WarningBOUMorgan, Weld26 min
May 22, 4:13 PM MDTTornado Warning Tornado observedBOUElbert, Lincoln32 min
May 22, 4:42 PM MDTTornado Warning Tornado observedBOUElbert, Lincoln33 min
May 22, 5:27 PM MDTSevere Thunderstorm WarningBOUElbert, Lincoln33 min

Nearby

Tornado Warnings in Colorado, 2021Every tornado warning in 2021Tornadoes in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.