Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 64, NWS Goodland, KS

May 23, 2021Cheyenne County, Kit Carson County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at May 23, 2021, 7:10 PM MDT for Cheyenne County, Kit Carson County, Colorado. It was in force for 50 min. 7 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 23, 2021, 7:10 PM MDT (01:10 UTC)
Expired: May 23, 2021, 8:00 PM MDT
In force: 50 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 70.0 mph

Counties Cheyenne County, CO, Kit Carson County, CO

The radar

The Goodland radar (KGLD), 61 km from the middle of the area, began a volume at 01:14 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

Time	Report	Where	Remark
May 23, 7:12 PM MDT	HAIL 1	3 W Bethune, CO	REPORT FROM MPING: QUARTER (1.00 IN.).
May 23, 7:19 PM MDT	HAIL 1.75	3 W Bethune, CO
May 23, 7:20 PM MDT	TSTM WND GST 56	4 E Stratton, CO	MESONET STATION STN01 4.5 E STRATTON 2.
May 23, 7:25 PM MDT	HAIL 0.5	15 S Burlington, CO	REPORT FROM MPING: HALF-INCH (0.50 IN.).
May 23, 7:52 PM MDT	HAIL 1	3 W Burlington, CO	REPORT OF LOTS OF HALF INCH TO QUARTER SIZE HAIL.
May 23, 7:55 PM MDT	HAIL 0.5	2 W Kanorado, CO	REPORT FROM MPING: HALF-INCH (0.50 IN.).
May 23, 7:57 PM MDT	HAIL 0.75	1 Ssw Burlington, CO

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.

Issued	Product	Office	Lasted
May 23, 12:06 PM MDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.2 hours before the alert went out and 103 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3282 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 132 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

858 
WUUS53 KGLD 240110
SVRGLD
COC017-063-240200-
/O.NEW.KGLD.SV.W.0064.210524T0110Z-210524T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
710 PM MDT Sun May 23 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Central Cheyenne County in east central Colorado...
  Eastern Kit Carson County in east central Colorado...

* Until 800 PM MDT.

* At 710 PM MDT, severe thunderstorms were located along a line
  extending from 5 miles north of Bethune to 9 miles south of Kit
  Carson, moving northeast at 30 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Severe thunderstorms will be near...
  Bethune around 715 PM MDT.
  Burlington around 725 PM MDT.

Other locations in the path of these severe thunderstorms include
Cheyenne Wells.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 419 and 450.
 Highway 385 between mile markers 140 and 204, and near mile marker
211.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

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

LAT...LON 3941 10258 3958 10215 3957 10205 3928 10205
      3862 10235 3863 10289
TIME...MOT...LOC 0110Z 246DEG 25KT 3938 10245 3863 10273 

HAIL...1.00IN
WIND...70MPH
 
$$

Lockhart

1 follow-up statement

774 
WWUS53 KGLD 240141
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
741 PM MDT Sun May 23 2021

COC017-063-240200-
/O.CON.KGLD.SV.W.0064.000000T0000Z-210524T0200Z/
Cheyenne CO-Kit Carson CO-
741 PM MDT Sun May 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM MDT
FOR CENTRAL CHEYENNE AND EASTERN KIT CARSON COUNTIES IN EAST CENTRAL
COLORADO...

At 741 PM MDT, severe thunderstorms were located along a line
extending from 10 miles south of Bonny Reservoir to 10 miles
southwest of Cheyenne Wells, moving northeast at 30 mph.

HAZARD...70 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
  Cheyenne Wells.

This includes the following highways...
 Interstate 70 in Colorado between mile markers 423 and 450.
 Highway 385 between mile markers 140 and 204, and near mile marker
211.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

&&

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

LAT...LON 3958 10215 3957 10205 3928 10205 3862 10235
      3863 10281 3944 10249
TIME...MOT...LOC 0141Z 245DEG 25KT 3947 10218 3872 10250 

HAIL...1.25IN
WIND...70MPH
 
$$

Lockhart

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 6:01 PM MDT	Tornado Warning	GLD	Yuma	29 min
May 23, 6:27 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	48 min
May 23, 6:36 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	39 min
May 23, 6:52 PM MDT	Special Weather Statement	GLD	Cheyenne	38 min
May 23, 7:25 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	50 min
May 23, 7:50 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	55 min
May 24, 5:07 AM MDT	Dense Fog Advisory	GLD	Kit Carson, Yuma	4 hr

Nearby

Severe Thunderstorm Warnings in Colorado, 2021 Every 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.