Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 138, NWS Goodland, KS

June 25, 2021Cheyenne County, Kit Carson County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jun 25, 2021, 4:28 PM MDT for Cheyenne County, Kit Carson County, Colorado. It was in force for 43 min. 1 report 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
Jun 25, 2021, 4:28 PM MDT (22:28 UTC)
Expired
Jun 25, 2021, 5:11 PM MDT
In force
43 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cheyenne County, CO, Kit Carson County, CO

The radar

The Goodland radar (KGLD), 96 km from the middle of the area, began a volume at 22:31 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
Jun 25, 4:30 PM MDTTSTM WND GST 5012 N Kit Carson, CONO DAMAGE REPORTED.

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
Jun 25, 2:07 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.5 hours before the alert went out and 108 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 2021-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2021-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939587897Sfc1 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
50 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1292 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

390 
WUUS53 KGLD 252228
SVRGLD
COC017-063-252330-
/O.NEW.KGLD.SV.W.0138.210625T2228Z-210625T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
428 PM MDT Fri Jun 25 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Northern Cheyenne County in east central Colorado...
  Southeastern Kit Carson County in east central Colorado...

* Until 530 PM MDT.

* At 428 PM MDT, a severe thunderstorm was located 15 miles north of
  Kit Carson, or 21 miles south of Seibert, moving northeast at 35
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  northern Cheyenne and southeastern Kit Carson Counties in east
  central Colorado.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 433 and 435.
 Highway 385 between mile markers 161 and 182.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3882 10298 3899 10310 3930 10232 3901 10214
TIME...MOT...LOC 2228Z 247DEG 32KT 3898 10284 

HAIL...<.75IN
WIND...60MPH
 
$$

MRC
3 follow-up statements
099 
WWUS53 KGLD 252248
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
448 PM MDT Fri Jun 25 2021

COC017-063-252330-
/O.CON.KGLD.SV.W.0138.000000T0000Z-210625T2330Z/
Cheyenne CO-Kit Carson CO-
448 PM MDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT
FOR NORTHERN CHEYENNE AND SOUTHEASTERN KIT CARSON COUNTIES IN EAST
CENTRAL COLORADO...

At 445 PM MDT, a severe thunderstorm was located 18 miles south of
Stratton, moving northeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
northern Cheyenne and southeastern Kit Carson Counties in east
central Colorado.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 433 and 435.
 Highway 385 between mile markers 161 and 182.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3885 10287 3902 10301 3930 10232 3901 10214
TIME...MOT...LOC 2245Z 247DEG 32KT 3904 10266 

HAIL...<.75IN
WIND...60MPH
 
$$

MRC
419 
WWUS53 KGLD 252304
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
504 PM MDT Fri Jun 25 2021

COC017-063-252330-
/O.CON.KGLD.SV.W.0138.000000T0000Z-210625T2330Z/
Cheyenne CO-Kit Carson CO-
504 PM MDT Fri Jun 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MDT
FOR NORTHEASTERN CHEYENNE AND SOUTHEASTERN KIT CARSON COUNTIES IN
EAST CENTRAL COLORADO...

At 504 PM MDT, a severe thunderstorm was located 13 miles south of
Bethune, or 15 miles southeast of Stratton, moving northeast at 35
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
northeastern Cheyenne and southeastern Kit Carson Counties in east
central Colorado.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 433 and 435.
 Highway 385 between mile markers 161 and 182.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3890 10264 3911 10279 3930 10232 3901 10214
TIME...MOT...LOC 2304Z 247DEG 32KT 3911 10246 

HAIL...<.75IN
WIND...60MPH
 
$$

MRC
597 
WWUS53 KGLD 252311
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
511 PM MDT Fri Jun 25 2021

COC017-063-252319-
/O.CAN.KGLD.SV.W.0138.000000T0000Z-210625T2330Z/
Cheyenne CO-Kit Carson CO-
511 PM MDT Fri Jun 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHEYENNE AND
SOUTHEASTERN KIT CARSON COUNTIES 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.

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

LAT...LON 3890 10264 3911 10279 3930 10232 3901 10214
TIME...MOT...LOC 2304Z 247DEG 32KT 3913 10241 

$$

MRC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 6:22 PM MDTSevere Thunderstorm WarningGLDCheyenne53 min
Jun 24, 6:30 PM MDTSevere Thunderstorm WarningGLDKit Carson30 min
Jun 24, 6:57 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson52 min
Jun 24, 7:11 PM MDTSevere Thunderstorm WarningGLDCheyenne64 min
Jun 25, 3:05 PM MDTSpecial Weather StatementGLDYuma25 min
Jun 25, 3:29 PM MDTSpecial Weather StatementGLDYuma31 min
Jun 25, 3:53 PM MDTSpecial Weather StatementGLDCheyenne37 min
Jun 25, 3:58 PM MDTSpecial Weather StatementGLDYuma32 min
Jun 25, 4:34 PM MDTSpecial Weather StatementGLDCheyenne26 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.