Alert archive / Colorado / Tornado Warnings in 2021

Tornado Warning 10, NWS Goodland, KS

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

NWS Goodland, KS issued this tornado warning at May 23, 2021, 5:21 PM MDT for Cheyenne County, Kit Carson County, Colorado. It was in force for 24 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: May 23, 2021, 5:21 PM MDT (23:21 UTC)
Expired: May 23, 2021, 5:45 PM MDT
In force: 24 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Cheyenne County, CO, Kit Carson County, CO

The radar

The Goodland radar (KGLD), 90 km from the middle of the area, began a volume at 23:22 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, 5:37 PM MDT	TSTM WND GST 52	17 Nnw Firstview, CO	REPORTED PEA SIZE HAIL AS WELL.

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 12:00Z, 11.4 hours before the alert went out and 109 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: 1106 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

289 
WFUS53 KGLD 232321
TORGLD
COC017-063-232345-
/O.NEW.KGLD.TO.W.0010.210523T2321Z-210523T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Goodland KS
521 PM MDT Sun May 23 2021

The National Weather Service in Goodland has issued a

* Tornado Warning for...
  North central Cheyenne County in east central Colorado...
  South central Kit Carson County in east central Colorado...

* Until 545 PM MDT.
    
* At 521 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 13 miles northeast of Kit Carson, or 18 miles northwest
  of Cheyenne Wells, moving northeast at 40 mph.

  HAZARD...Tornado and quarter size hail.

  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
  north central Cheyenne and south central Kit Carson Counties 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 3885 10261 3889 10283 3921 10274 3922 10239
TIME...MOT...LOC 2321Z 224DEG 36KT 3893 10267 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

024

2 follow-up statements

496 
WWUS53 KGLD 232332
SVSGLD

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

COC017-232342-
/O.CAN.KGLD.TO.W.0010.000000T0000Z-210523T2345Z/
Cheyenne CO-
532 PM MDT Sun May 23 2021

...THE TORNADO WARNING FOR NORTH CENTRAL CHEYENNE COUNTY IN EAST
CENTRAL COLORADO IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 3921 10274 3922 10239 3904 10250 3904 10279
TIME...MOT...LOC 2332Z 204DEG 40KT 3909 10265 

$$

COC063-232345-
/O.CON.KGLD.TO.W.0010.000000T0000Z-210523T2345Z/
Kit Carson CO-
532 PM MDT Sun May 23 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM MDT FOR SOUTH
CENTRAL KIT CARSON COUNTY...
    
At 532 PM MDT, a severe thunderstorm capable of producing a tornado
was located 14 miles south of Stratton, moving northeast at 45 mph.

HAZARD...Tornado and quarter size hail.

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
south central Kit Carson County.

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 3921 10274 3922 10239 3904 10250 3904 10279
TIME...MOT...LOC 2332Z 204DEG 40KT 3909 10265 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

024

963 
WWUS53 KGLD 232341
SVSGLD

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

COC063-232351-
/O.EXP.KGLD.TO.W.0010.000000T0000Z-210523T2345Z/
Kit Carson CO-
541 PM MDT Sun May 23 2021

...THE TORNADO WARNING FOR SOUTH CENTRAL KIT CARSON COUNTY WILL
EXPIRE AT 545 PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with this thunderstorm.

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

LAT...LON 3921 10274 3922 10239 3904 10250 3904 10279
TIME...MOT...LOC 2341Z 224DEG 36KT 3915 10258 

$$

024

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 7:46 PM MDT	Special Weather Statement	GLD	Yuma	14 min
May 22, 10:36 PM MDT	Special Weather Statement	GLD	Cheyenne	24 min
May 22, 10:43 PM MDT	Special Weather Statement	GLD	Cheyenne, Kit Carson	32 min
May 23, 4:47 PM MDT	Special Weather Statement	GLD	Cheyenne	13 min
May 23, 5:01 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	29 min
May 23, 5:05 PM MDT	Special Weather Statement	GLD	Cheyenne	25 min
May 23, 5:26 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	34 min
May 23, 5:40 PM MDT	Special Weather Statement	GLD	Cheyenne	20 min
May 23, 5:49 PM MDT	Special Weather Statement	GLD	Kit Carson	26 min
May 23, 5:52 PM MDT	Special Weather Statement	GLD	Cheyenne	23 min
May 23, 5:57 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	33 min
May 23, 5:59 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	61 min

Nearby

Tornado Warnings in Colorado, 2021 Every tornado warning in 2021 Tornadoes 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.