Alert archive / Colorado / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 62, NWS Goodland, KS

May 23, 2021Yuma County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at May 23, 2021, 6:27 PM MDT for Yuma County, Colorado. It was in force for 48 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 23, 2021, 6:27 PM MDT (00:27 UTC)
Expired
May 23, 2021, 7:15 PM MDT
In force
48 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Yuma County, CO

The radar

The Goodland radar (KGLD), 116 km from the middle of the area, began a volume at 00:27 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 23, 12:06 PM MDTTornado WatchSPC8 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 0.5 hours before the alert went out and 95 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 00:00Z on 2021-05-24Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2021-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897117Sfc1 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
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.

819 
WUUS53 KGLD 240027
SVRGLD
COC125-240115-
/O.NEW.KGLD.SV.W.0062.210524T0027Z-210524T0115Z/

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

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Northeastern Yuma County in northeastern Colorado...

* Until 715 PM MDT.

* At 627 PM MDT, a severe thunderstorm was located 7 miles north of
  Eckley, or 14 miles northeast of Yuma, moving northeast at 40 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
  northeastern Yuma County, including the following locations...
  Alvin and Wauneta.

This includes Highway 385 between mile markers 247 and 270.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM MDT for northeastern
Colorado...and southwestern Nebraska.

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
Colorado...and southwestern Nebraska.

LAT...LON 4044 10205 4011 10205 4012 10264 4044 10259
TIME...MOT...LOC 0027Z 220DEG 35KT 4022 10247 

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

024
2 follow-up statements
100 
WWUS53 KGLD 240047
SVSGLD

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

COC125-240115-
/O.CON.KGLD.SV.W.0062.000000T0000Z-210524T0115Z/
Yuma CO-
647 PM MDT Sun May 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT
FOR NORTHEASTERN YUMA COUNTY...

At 647 PM MDT, a severe thunderstorm was located 13 miles northeast
of Eckley, or 15 miles northwest of Wray, moving northeast at 50 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...
Alvin and Wauneta. 

This includes Highway 385 between mile markers 251 and 270.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM MDT for northeastern
Colorado...and southwestern Nebraska.

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
Colorado...and southwestern Nebraska.

LAT...LON 4044 10205 4016 10205 4017 10251 4044 10243
TIME...MOT...LOC 0047Z 215DEG 42KT 4028 10235 

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

024
049 
WWUS53 KGLD 240112
SVSGLD

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

COC125-240122-
/O.EXP.KGLD.SV.W.0062.000000T0000Z-210524T0115Z/
Yuma CO-
712 PM MDT Sun May 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN YUMA COUNTY WILL
EXPIRE AT 715 PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 800 PM MDT for northeastern
Colorado...and southwestern Nebraska.

A Severe Thunderstorm Watch remains in effect until midnight MDT for
southwestern Nebraska.

LAT...LON 4044 10205 4016 10205 4017 10251 4044 10243
TIME...MOT...LOC 0112Z 220DEG 35KT 4045 10216 

$$

Lockhart

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 6:01 PM MDTTornado WarningGLDYuma29 min
May 23, 6:36 PM MDTSevere Thunderstorm WarningGLDKit Carson39 min
May 23, 6:52 PM MDTSpecial Weather StatementGLDCheyenne38 min
May 23, 7:10 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson50 min
May 23, 7:25 PM MDTSevere Thunderstorm WarningGLDKit Carson, Yuma50 min
May 23, 7:50 PM MDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson55 min
May 24, 5:07 AM MDTDense Fog AdvisoryGLDKit Carson, Yuma4 hr

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.