Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 32, NWS Goodland, KS

May 14, 2021Cheyenne County, Kit Carson County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at May 14, 2021, 5:14 PM MDT for Cheyenne County, Kit Carson County, Colorado. It was in force for 48 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 14, 2021, 5:14 PM MDT (23:14 UTC)
Expired
May 14, 2021, 6:02 PM MDT
In force
48 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Cheyenne County, CO, Kit Carson County, CO

The radar

The Pueblo radar (KPUX), 116 km from the middle of the area, began a volume at 23:16 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.

What was reported inside it

TimeReportWhereRemark
May 14, 5:30 PM MDTHAIL 0.712 Ne Wild Horse, COCALLER REPORTED PEA TO DIME WITH GROUND ALMOST COMPLETELY COVERED. HAIL FELL FOR A DURATION OF 15 MINUTES (5:45 PM).
May 14, 5:48 PM MDTHAIL 110 N Kit Carson, COREPORTED VIA SPOTTER NETWORK ONGOING HAIL PEA TO QUARTER IN SIZE. MOST HAIL WAS PEA TO NICKEL IN SIZE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
May 14, 3:46 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.2 hours before the alert went out and 114 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 2021-05-14Temperature 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 2021-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.19395878Sfc1 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
1782 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
188 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

231 
WUUS53 KGLD 142314
SVRGLD
COC017-063-150015-
/O.NEW.KGLD.SV.W.0032.210514T2314Z-210515T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
514 PM MDT Fri May 14 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Western Cheyenne County in east central Colorado...
  Southwestern Kit Carson County in east central Colorado...

* Until 615 PM MDT.

* At 514 PM MDT, a severe thunderstorm was located 15 miles east of
  Boyero, or 22 miles south of Flagler, moving southeast at 30 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...
  Kit Carson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3906 10316 3916 10293 3869 10248 3861 10281
      3861 10317
TIME...MOT...LOC 2314Z 323DEG 25KT 3897 10298 

HAIL...1.00IN
WIND...60MPH
 
$$

AW
3 follow-up statements
863 
WWUS53 KGLD 142337
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
537 PM MDT Fri May 14 2021

COC063-142346-
/O.CAN.KGLD.SV.W.0032.000000T0000Z-210515T0015Z/
Kit Carson CO-
537 PM MDT Fri May 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KIT CARSON COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.  Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
east central Colorado.

LAT...LON 3899 10303 3904 10292 3904 10283 3869 10248
      3861 10281 3861 10288
TIME...MOT...LOC 2336Z 317DEG 23KT 3889 10280 

$$

COC017-150015-
/O.CON.KGLD.SV.W.0032.000000T0000Z-210515T0015Z/
Cheyenne CO-
537 PM MDT Fri May 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT
FOR WESTERN CHEYENNE COUNTY IN EAST CENTRAL COLORADO...

At 536 PM MDT, a severe thunderstorm was located 8 miles north of Kit
Carson, or 24 miles west of Cheyenne Wells, moving southeast at 25
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...
Kit Carson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3899 10303 3904 10292 3904 10283 3869 10248
      3861 10281 3861 10288
TIME...MOT...LOC 2336Z 317DEG 23KT 3889 10280 

HAIL...1.00IN
WIND...60MPH
 
$$

AW
602 
WWUS53 KGLD 142353
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
553 PM MDT Fri May 14 2021

COC017-150015-
/O.CON.KGLD.SV.W.0032.000000T0000Z-210515T0015Z/
Cheyenne CO-
553 PM MDT Fri May 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT
FOR CENTRAL CHEYENNE COUNTY IN EAST CENTRAL COLORADO...

At 551 PM MDT, a severe thunderstorm was located 11 miles north of 
Kit Carson, or 25 miles south of Seibert, moving southeast at 25 
mph.  At 551 PM MDT, a trained spotter reported quarter size hail 10 
miles north of Kit Carson.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Trained weather spotters.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Kit Carson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3894 10290 3899 10278 3869 10248 3861 10281
TIME...MOT...LOC 2351Z 314DEG 21KT 3893 10284 

HAIL...1.00IN
WIND...60MPH
 
$$

AW
608 
WWUS53 KGLD 150002
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
602 PM MDT Fri May 14 2021

COC017-150012-
/O.CAN.KGLD.SV.W.0032.000000T0000Z-210515T0015Z/
Cheyenne CO-
602 PM MDT Fri May 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHEYENNE COUNTY IN
EAST CENTRAL COLORADO IS CANCELLED...
                
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 is
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
east central Colorado.

LAT...LON 3894 10290 3899 10278 3869 10248 3861 10281
TIME...MOT...LOC 0001Z 323DEG 25KT 3887 10278 

$$

AW

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 4:33 PM MDTSevere Thunderstorm WarningGLDKit Carson31 min
May 14, 5:02 PM MDTSpecial Weather StatementGLDCheyenne13 min
May 14, 5:58 PM MDTSpecial Weather StatementGLDKit Carson17 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.