Alert archive / Colorado / Tornado Warnings in 2021

Tornado Warning 8, NWS Goodland, KS

May 16, 2021Cheyenne County, Kit Carson County, Colorado

NWS Goodland, KS issued this tornado warning at May 16, 2021, 7:10 PM MDT for Cheyenne County, Kit Carson County, Colorado. It was in force for 35 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: May 16, 2021, 7:10 PM MDT (01:10 UTC)
Expired: May 16, 2021, 7:45 PM MDT
In force: 35 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.0 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 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.

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.2 hours before the alert went out and 107 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: 143 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 685 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: -15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

237 
WFUS53 KGLD 170110
TORGLD
COC017-063-170145-
/O.NEW.KGLD.TO.W.0008.210517T0110Z-210517T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Goodland KS
710 PM MDT Sun May 16 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 745 PM MDT.
    
* At 709 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 17 miles south of Stratton, moving southeast at 15 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  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 3906 10274 3911 10262 3898 10243 3890 10267
TIME...MOT...LOC 0109Z 330DEG 11KT 3905 10266 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

JN

2 follow-up statements

842 
WWUS53 KGLD 170122
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
722 PM MDT Sun May 16 2021

COC017-063-170145-
/O.CON.KGLD.TO.W.0008.000000T0000Z-210517T0145Z/
Cheyenne CO-Kit Carson CO-
722 PM MDT Sun May 16 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR NORTH
CENTRAL CHEYENNE AND SOUTH CENTRAL KIT CARSON COUNTIES IN EAST
CENTRAL COLORADO...
    
At 722 PM MDT, a severe thunderstorm capable of producing a tornado
was located 19 miles northeast of Kit Carson, or 20 miles south of
Stratton, moving southeast at 15 mph.

HAZARD...Tornado and two inch 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 3905 10272 3911 10262 3898 10243 3892 10265
TIME...MOT...LOC 0122Z 330DEG 11KT 3901 10263 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

JN

837 
WWUS53 KGLD 170140
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
740 PM MDT Sun May 16 2021

COC017-063-170149-
/O.EXP.KGLD.TO.W.0008.000000T0000Z-210517T0145Z/
Cheyenne CO-Kit Carson CO-
740 PM MDT Sun May 16 2021

...THE TORNADO WARNING FOR NORTH CENTRAL CHEYENNE AND SOUTH CENTRAL
KIT CARSON COUNTIES IN EAST CENTRAL COLORADO WILL EXPIRE AT 745 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 small hail
and heavy rain are still possible with this thunderstorm.

LAT...LON 3905 10272 3911 10262 3898 10243 3892 10265
TIME...MOT...LOC 0139Z 270DEG 11KT 3897 10260 

$$

JN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 6:04 PM MDT	Flash Flood Warning	GLD	Cheyenne	3 hr
May 16, 6:14 PM MDT	Special Weather Statement	GLD	Cheyenne	61 min
May 16, 6:40 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	35 min
May 16, 6:56 PM MDT	Tornado Warning	GLD	Kit Carson	18 min
May 16, 7:07 PM MDT	Special Weather Statement	GLD	Kit Carson	23 min
May 16, 7:10 PM MDT	Special Weather Statement	GLD	Kit Carson	35 min
May 16, 7:16 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	29 min
May 16, 7:22 PM MDT	Flash Flood Warning	GLD	Kit Carson	5 hr
May 16, 7:42 PM MDT	Special Weather Statement	GLD	Kit Carson	63 min
May 16, 7:58 PM MDT	Special Weather Statement	GLD	Kit Carson	47 min
May 16, 8:24 PM MDT	Flash Flood Warning	GLD	Kit Carson	4 hr
May 16, 8:39 PM MDT	Special Weather Statement	GLD	Yuma	66 min
May 16, 8:42 PM MDT	Special Weather Statement	GLD	Kit Carson	78 min
May 16, 8:49 PM MDT	Special Weather Statement	GLD	Cheyenne	71 min
May 16, 9:09 PM MDT	Areal Flood Warning	GLD	Cheyenne	3 hr
May 16, 9:52 PM MDT	Special Weather Statement	GLD	Yuma	53 min
May 16, 10:57 PM MDT	Special Weather Statement	GLD	Yuma	63 min
May 17, 12:12 AM MDT	Areal Flood Warning	GLD	Kit Carson	6 hr
May 17, 2:27 PM MDT	Flash Flood Warning	GLD	Yuma	3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.