Alert archive / Colorado / Tornado Warnings in 2021

Tornado Warning 6, NWS Goodland, KS

May 16, 2021Cheyenne County, Colorado

NWS Goodland, KS issued this tornado warning at May 16, 2021, 5:21 PM MDT for Cheyenne County, Colorado. It was in force for 24 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 16, 2021, 5:21 PM MDT (23:21 UTC)
Expired
May 16, 2021, 5:45 PM MDT
In force
24 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

County Cheyenne County, CO

The radar

The Pueblo radar (KPUX), 108 km from the middle of the area, began a volume at 23:23 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 nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.4 hours before the alert went out and 135 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 2021-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 215 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
215 J/kg
Mixed-layer CIN
-294 J/kg
Mixed-layer LCL
861 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
-44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

098 
WFUS53 KGLD 162321
TORGLD
COC017-162345-
/O.NEW.KGLD.TO.W.0006.210516T2321Z-210516T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Goodland KS
521 PM MDT Sun May 16 2021

The National Weather Service in Goodland has issued a

* Tornado Warning for...
  Southwestern Cheyenne County in east central Colorado...

* Until 545 PM MDT.
    
* At 520 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles southwest of Kit Carson, or 32 miles west of
  Cheyenne Wells, moving southwest at 10 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  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.

* This tornadic thunderstorm will remain over mainly rural areas of
  southwestern Cheyenne County in east central Colorado.

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 3874 10300 3871 10285 3861 10285 3861 10305
      3862 10307
TIME...MOT...LOC 2320Z 045DEG 8KT 3866 10291 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

JN
2 follow-up statements
248 
WWUS53 KGLD 162331
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
531 PM MDT Sun May 16 2021

COC017-162345-
/O.CON.KGLD.TO.W.0006.000000T0000Z-210516T2345Z/
Cheyenne CO-
531 PM MDT Sun May 16 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR
SOUTHWESTERN CHEYENNE COUNTY IN EAST CENTRAL COLORADO...
        
At 531 PM MDT, a severe thunderstorm capable of producing a tornado
was located 11 miles southwest of Kit Carson, or 33 miles west of
Cheyenne Wells, moving southwest at 10 mph.

HAZARD...Tornado and two inch hail.

SOURCE...Weather spotters reported a funnel cloud.

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.

This tornadic thunderstorm will remain over mainly rural areas of
southwestern Cheyenne County in east central Colorado.

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 3871 10298 3871 10285 3861 10285 3861 10305
      3862 10307
TIME...MOT...LOC 2331Z 045DEG 8KT 3864 10293 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

JN
872 
WWUS53 KGLD 162338
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
538 PM MDT Sun May 16 2021

COC017-162348-
/O.EXP.KGLD.TO.W.0006.000000T0000Z-210516T2345Z/
Cheyenne CO-
538 PM MDT Sun May 16 2021

...THE TORNADO WARNING FOR SOUTHWESTERN CHEYENNE COUNTY IN EAST
CENTRAL COLORADO WILL EXPIRE AT 545 PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 3871 10298 3871 10285 3861 10285 3861 10305
      3862 10307
TIME...MOT...LOC 2338Z 045DEG 8KT 3863 10294 

$$

JN

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 9:28 PM MDTSevere Thunderstorm WarningGLDCheyenne12 min
May 15, 9:43 PM MDTSpecial Weather StatementGLDCheyenne62 min
May 15, 10:05 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson20 min
May 15, 10:39 PM MDTSpecial Weather StatementGLDKit Carson51 min
May 16, 4:41 PM MDTSpecial Weather StatementGLDCheyenne64 min
May 16, 5:15 PM MDTSpecial Weather StatementGLDKit Carson30 min
May 16, 5:25 PM MDTSevere Thunderstorm WarningGLDKit Carson35 min
May 16, 5:30 PM MDTSevere Thunderstorm WarningGLDCheyenne45 min
May 16, 5:44 PM MDTSpecial Weather StatementGLDKit Carson61 min
May 16, 5:46 PM MDTFlash Flood WarningGLDKit Carson3 hr
May 16, 5:58 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson62 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.