Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 237, NWS Goodland, KS

September 12, 2021Greeley County, Wallace County, Wichita County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Sep 12, 2021, 8:00 PM MDT for Greeley County, Wallace County, Wichita County, Kansas. It was in force for 18 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
Sep 12, 2021, 8:00 PM MDT (02:00 UTC)
Expired
Sep 12, 2021, 8:18 PM MDT
In force
18 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, Wichita County, KS

The radar

The Goodland radar (KGLD), 73 km from the middle of the area, began a volume at 02:00 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, 2.0 hours before the alert went out and 186 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 2021-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2021-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.1939Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2604 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

304 
WUUS53 KGLD 130200
SVRGLD
KSC071-199-203-130230-
/O.NEW.KGLD.SV.W.0237.210913T0200Z-210913T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
800 PM MDT Sun Sep 12 2021

The National Weather Service in Goodland has issued a

* Severe Thunderstorm Warning for...
  Northwestern Wichita County in west central Kansas...
  Southeastern Wallace County in west central Kansas...
  Northeastern Greeley County in west central Kansas...

* Until 830 PM MDT/930 PM CDT/.

* At 800 PM MDT/900 PM CDT/, a severe thunderstorm was located 11
  miles south of Sharon Springs, moving east at 30 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
  northwestern Wichita, southeastern Wallace and northeastern Greeley
  Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3864 10185 3882 10182 3881 10148 3878 10148
      3859 10154
TIME...MOT...LOC 0200Z 277DEG 25KT 3873 10174 

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

$$

TT
2 follow-up statements
287 
WWUS53 KGLD 130210
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
810 PM MDT Sun Sep 12 2021

KSC071-199-203-130230-
/O.CON.KGLD.SV.W.0237.000000T0000Z-210913T0230Z/
Wichita KS-Wallace KS-Greeley KS-
810 PM MDT Sun Sep 12 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM
MDT/930 PM CDT/ FOR NORTHWESTERN WICHITA...SOUTHEASTERN WALLACE AND
NORTHEASTERN GREELEY COUNTIES...

At 810 PM MDT/910 PM CDT/, a severe thunderstorm was located 13 miles
southeast of Sharon Springs, moving east at 30 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
northwestern Wichita, southeastern Wallace and northeastern Greeley
Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3865 10176 3879 10175 3881 10148 3878 10148
      3859 10154
TIME...MOT...LOC 0210Z 277DEG 25KT 3872 10164 

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

$$

TT
421 
WWUS53 KGLD 130218
SVSGLD

Severe Weather Statement
National Weather Service Goodland KS
818 PM MDT Sun Sep 12 2021

KSC071-199-203-130228-
/O.CAN.KGLD.SV.W.0237.000000T0000Z-210913T0230Z/
Wichita KS-Wallace KS-Greeley KS-
818 PM MDT Sun Sep 12 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WICHITA...
SOUTHEASTERN WALLACE AND NORTHEASTERN GREELEY COUNTIES IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 3865 10176 3879 10175 3881 10148 3878 10148
      3859 10154
TIME...MOT...LOC 0216Z 277DEG 25KT 3871 10157 

$$

TT

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 6:03 PM MDTSpecial Weather StatementGLDSherman42 min
Sep 12, 6:43 PM MDTSpecial Weather StatementGLDSherman32 min
Sep 12, 6:50 PM MDTSpecial Weather StatementGLDWallace25 min
Sep 12, 7:01 PM MDTSevere Thunderstorm WarningGLDWallace44 min
Sep 12, 7:30 PM MDTSpecial Weather StatementGLDGreeley30 min
Sep 12, 7:32 PM MDTSpecial Weather StatementGLDSherman43 min
Sep 12, 7:43 PM MDTSpecial Weather StatementGLDWallace32 min
Sep 12, 7:58 PM MDTSpecial Weather StatementGLDGreeley17 min
Sep 12, 8:10 PM MDTSpecial Weather StatementGLDLogan, Thomas, Wichita65 min
Sep 12, 8:17 PM MDTSpecial Weather StatementGLDGreeley, Sherman, Wallace13 min
Sep 12, 8:30 PM MDTSpecial Weather StatementGLDSherman30 min
Sep 12, 9:15 PM MDTSpecial Weather StatementGLDGove45 min
Sep 12, 9:48 PM MDTSpecial Weather StatementGLDGreeley42 min
Sep 13, 4:29 AM MDTDense Fog AdvisoryGLDDecatur, Graham, Norton5 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.