Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 77, NWS Wichita, KS

June 20, 2021Greenwood County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jun 20, 2021, 6:50 PM CDT for Greenwood County, Kansas. It was in force for 42 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
Jun 20, 2021, 6:50 PM CDT (23:50 UTC)
Expired
Jun 20, 2021, 7:32 PM CDT
In force
42 min
Issued by
NWS Wichita, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Greenwood County, KS

The radar

The Wichita radar (KICT), 118 km from the middle of the area, began a volume at 23:51 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

Topeka, KS (KTOP), launched 12:00Z, 11.8 hours before the alert went out and 128 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, Topeka, KS at 12:00Z on 2021-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 577 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, Topeka, KS at 12:00Z on 2021-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 square meters per square second.19395878Sfc1 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
577 J/kg
Mixed-layer CIN
-261 J/kg
Mixed-layer LCL
1356 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

591 
WUUS53 KICT 202350
SVRICT
KSC073-210045-
/O.NEW.KICT.SV.W.0077.210620T2350Z-210621T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service WICHITA KS
650 PM CDT Sun Jun 20 2021

The National Weather Service in WICHITA has issued a

* Severe Thunderstorm Warning for...
  Central Greenwood County in southeastern Kansas...

* Until 745 PM CDT.

* At 650 PM CDT, a severe thunderstorm was located 9 miles west of
  Hamilton, or 11 miles north of Eureka, moving east at 35 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 be near...
  Hamilton around 705 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3780 9596 3790 9645 3808 9641 3804 9596
TIME...MOT...LOC 2350Z 280DEG 28KT 3798 9635 

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

COOK
4 follow-up statements
183 
WWUS53 KICT 210000
SVSICT

Severe Weather Statement
National Weather Service WICHITA KS
700 PM CDT Sun Jun 20 2021

KSC073-210045-
/O.CON.KICT.SV.W.0077.000000T0000Z-210621T0045Z/
Greenwood KS-
700 PM CDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN GREENWOOD COUNTY...

At 700 PM CDT, a severe thunderstorm was located near Hamilton, or 10
miles north of Eureka, 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 storm will be near...
  Hamilton around 710 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3780 9596 3789 9636 3806 9634 3804 9596
TIME...MOT...LOC 0000Z 280DEG 28KT 3797 9625 

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

COOK
278 
WWUS53 KICT 210020
SVSICT

Severe Weather Statement
National Weather Service WICHITA KS
720 PM CDT Sun Jun 20 2021

KSC073-210045-
/O.CON.KICT.SV.W.0077.000000T0000Z-210621T0045Z/
Greenwood KS-
720 PM CDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHEASTERN GREENWOOD COUNTY...

At 720 PM CDT, a severe thunderstorm was located 6 miles southeast of
Hamilton, or 14 miles northeast of Eureka, 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
northeastern Greenwood County, including the following locations...
Eureka City Lake, Virgil and Thrall.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3780 9596 3789 9636 3806 9634 3804 9596
TIME...MOT...LOC 0020Z 281DEG 27KT 3793 9607 

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

COOK
024 
WWUS53 KICT 210023
SVSICT

Severe Weather Statement
National Weather Service WICHITA KS
723 PM CDT Sun Jun 20 2021

KSC073-210045-
/O.CON.KICT.SV.W.0077.000000T0000Z-210621T0045Z/
Greenwood KS-
723 PM CDT Sun Jun 20 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR EAST CENTRAL GREENWOOD COUNTY...

At 723 PM CDT, a severe thunderstorm was located 7 miles southeast of
Hamilton, or 15 miles south of Madison, 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 east
central Greenwood County, including the following locations...
Virgil.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3780 9596 3788 9621 3802 9621 3804 9596
TIME...MOT...LOC 0023Z 281DEG 27KT 3793 9604 

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

COOK
724 
WWUS53 KICT 210032
SVSICT

Severe Weather Statement
National Weather Service WICHITA KS
732 PM CDT Sun Jun 20 2021

KSC073-210042-
/O.CAN.KICT.SV.W.0077.000000T0000Z-210621T0045Z/
Greenwood KS-
732 PM CDT Sun Jun 20 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GREENWOOD COUNTY
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.

LAT...LON 3780 9596 3788 9621 3802 9621 3804 9596
TIME...MOT...LOC 0030Z 280DEG 28KT 3792 9595 

$$

COOK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 10:07 PM CDTSpecial Weather StatementICTRussell53 min
Jun 19, 10:13 PM CDTSevere Thunderstorm WarningICTRussell62 min
Jun 20, 6:40 PM CDTSpecial Weather StatementICTGreenwood35 min

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.