Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 122, NWS Goodland, KS

June 23, 2021Kit Carson County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jun 23, 2021, 4:37 PM MDT for Kit Carson County, Colorado. It was in force for 23 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
Jun 23, 2021, 4:37 PM MDT (22:37 UTC)
Expired
Jun 23, 2021, 5:00 PM MDT
In force
23 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Kit Carson County, CO

The radar

The Goodland radar (KGLD), 56 km from the middle of the area, began a volume at 22:38 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, 10.6 hours before the alert went out and 112 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 2021-06-23Temperature 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 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 2021-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
3959 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
14 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

221 
WUUS53 KGLD 232237
SVRGLD
COC063-232300-
/O.NEW.KGLD.SV.W.0122.210623T2237Z-210623T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
437 PM MDT Wed Jun 23 2021

The National Weather Service in Goodland has issued a

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

* Until 500 PM MDT.

* At 436 PM MDT, a severe thunderstorm was located 13 miles south of
  Bethune, or 13 miles south of Burlington, moving northeast at 20
  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.

* This severe thunderstorm will remain over mainly rural areas of
  southeastern Kit Carson County.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 436 and 439.
 Highway 385 between mile markers 171 and 188.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3932 10225 3909 10207 3905 10230 3904 10241
      3916 10248
TIME...MOT...LOC 2236Z 243DEG 19KT 3911 10236 

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

MC
1 follow-up statement
813 
WWUS53 KGLD 232249
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
449 PM MDT Wed Jun 23 2021

COC063-232300-
/O.CON.KGLD.SV.W.0122.000000T0000Z-210623T2300Z/
Kit Carson CO-
449 PM MDT Wed Jun 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT
FOR SOUTHEASTERN KIT CARSON COUNTY...

At 449 PM MDT, a severe thunderstorm was located 11 miles south of
Burlington, moving northeast at 20 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...
Burlington.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 437 and 439.
 Highway 385 between mile markers 171 and 186.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3932 10225 3909 10207 3906 10231 3906 10236
      3916 10243
TIME...MOT...LOC 2249Z 243DEG 19KT 3914 10228 

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

MRC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 3:59 PM MDTSpecial Weather StatementGLDKit Carson16 min
Jun 23, 4:16 PM MDTSpecial Weather StatementGLDKit Carson14 min
Jun 23, 4:30 PM MDTSpecial Weather StatementGLDKit Carson30 min
Jun 23, 4:56 PM MDTSevere Thunderstorm WarningGLDKit Carson64 min
Jun 23, 5:08 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson34 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.