Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 239, NWS Goodland, KS

October 12, 2021Greeley County, Wallace County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Oct 12, 2021, 6:29 PM MDT for Greeley County, Wallace County, Kansas. It was in force for 39 min. 2 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
Oct 12, 2021, 6:29 PM MDT (00:29 UTC)
Expired
Oct 12, 2021, 7:08 PM MDT
In force
39 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Greeley County, KS, Wallace County, KS

The radar

The Goodland radar (KGLD), 68 km from the middle of the area, began a volume at 00:28 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

TimeReportWhereRemark
Oct 12, 6:30 PM MDTTORNADO 1Sharon Springs, KSDISPATCH REPORT OF TORNADO HITTING GOLF COURSE ON SOUTH SIDE OF SHARON SPRINGS. POWERLINES WERE REPORTED DOWN.
Oct 12, 6:30 PM MDTTORNADOSharon Springs, KSCORRECTS PREVIOUS TORNADO REPORT FROM SHARON SPRINGS. DISPATCH REPORT OF TORNADO HITTING GOLF COURSE ON SOUTH SIDE OF SHARON SPRINGS. POWERLINES WERE REPORTED DOWN.

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.

IssuedProductOfficeLasted
Oct 12, 2:46 PM MDTTornado WatchSPC7 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 0.5 hours before the alert went out and 185 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 2021-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939587897Sfc1 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
11 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1032 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
-28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

522 
WUUS53 KGLD 130029
SVRGLD
KSC071-199-130130-
/O.NEW.KGLD.SV.W.0239.211013T0029Z-211013T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
629 PM MDT Tue Oct 12 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Eastern Wallace County in west central Kansas...
  Eastern Greeley County in west central Kansas...

* Until 730 PM MDT.

* At 629 PM MDT, severe thunderstorms were located along a line
  extending from 10 miles northwest of Wallace to 12 miles south of
  Horace, moving east at 40 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Public.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* These severe thunderstorms will remain over mainly rural areas of
  eastern Wallace and eastern Greeley Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM MDT for west central
Kansas.

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

A Tornado Watch remains in effect until 1000 PM MDT for west central
Kansas.

&&

LAT...LON 3912 10179 3913 10148 3870 10148 3870 10157
      3826 10157 3826 10179
TIME...MOT...LOC 0029Z 251DEG 33KT 3905 10167 3830 10185 

HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

024
2 follow-up statements
939 
WWUS53 KGLD 130052
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
652 PM MDT Tue Oct 12 2021

KSC071-199-130130-
/O.CON.KGLD.SV.W.0239.000000T0000Z-211013T0130Z/
Wallace KS-Greeley KS-
652 PM MDT Tue Oct 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MDT
FOR EASTERN WALLACE AND EASTERN GREELEY COUNTIES...

At 652 PM MDT, severe thunderstorms were located along a line
extending from 12 miles northeast of Wallace to 10 miles southeast of
Tribune, moving east at 35 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Public.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Sharon Springs, Tribune, Horace and Wallace. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM MDT for west central
Kansas.

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

&&

A Tornado Watch remains in effect until 1000 PM MDT for west central
Kansas.

LAT...LON 3912 10179 3913 10148 3870 10148 3870 10157
      3826 10157 3826 10179
TIME...MOT...LOC 0052Z 253DEG 29KT 3908 10149 3837 10161 

HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

024
876 
WWUS53 KGLD 130108
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
708 PM MDT Tue Oct 12 2021

KSC071-199-130117-
/O.CAN.KGLD.SV.W.0239.000000T0000Z-211013T0130Z/
Wallace KS-Greeley KS-
708 PM MDT Tue Oct 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WALLACE AND EASTERN
GREELEY COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with these thunderstorms.

A Tornado Watch remains in effect until 1000 PM MDT for west central
Kansas.

LAT...LON 3912 10179 3913 10148 3870 10148 3870 10157
      3826 10157 3826 10179
TIME...MOT...LOC 0107Z 251DEG 33KT 3913 10132 3842 10144 

$$

024

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 12, 6:01 PM MDTSpecial Weather StatementGLDCheyenne29 min
Oct 12, 6:16 PM MDTSpecial Weather StatementGLDGreeley29 min
Oct 12, 6:18 PM MDTSpecial Weather StatementGLDWallace27 min
Oct 12, 6:28 PM MDTTornado WarningGLDWallace15 min
Oct 12, 6:58 PM MDTTornado WarningGLDLogan, Wallace, Wichita21 min
Oct 12, 7:14 PM MDTSpecial Weather StatementGLDWichita31 min
Oct 12, 8:01 PM MDTTornado WarningGLDGove, Logan, Sheridan, Thomas34 min
Oct 12, 8:19 PM MDTTornado WarningGLDSheridan, Thomas23 min
Oct 12, 9:30 PM MDTSpecial Weather StatementGLDGraham, Norton30 min
Oct 13, 3:00 AM MDTFrost AdvisoryGLDCheyenne, Decatur, Graham, Norton, Rawlins, Sheridan and 2 more30 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.