Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 147, NWS Dodge City, KS

July 31, 2021Barber County, Comanche County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Jul 31, 2021, 6:02 PM CDT for Barber County, Comanche County, Kansas. It was in force for 24 min. 1 report 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
Jul 31, 2021, 6:02 PM CDT (23:02 UTC)
Expired
Jul 31, 2021, 6:26 PM CDT
In force
24 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Barber County, KS, Comanche County, KS

The radar

The Vance AFB radar (KVNX), 92 km from the middle of the area, began a volume at 23:01 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
Jul 31, 6:10 PM CDTTSTM WND DMG6 S Sun City, KSTHIS IS A DELAYED REPORT. SATURDAY EVENING , A 5 FOOT DIAMETER TREE WAS BLOWN DOWN, IN ADDITION TO A STEEL BUILDING DESTROYED AND A FLAG POLE BROKEN IN HALF.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.0 hours before the alert went out and 103 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, Dodge City, at 12:00Z on 2021-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 468 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, Dodge City, at 12:00Z on 2021-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
468 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
2050 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

582 
WUUS53 KDDC 312302
SVRDDC
KSC007-033-312345-
/O.NEW.KDDC.SV.W.0147.210731T2302Z-210731T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Dodge City KS
602 PM CDT Sat Jul 31 2021

The National Weather Service in Dodge City has issued a

* Severe Thunderstorm Warning for...
  West central Barber County in south central Kansas...
  Northeastern Comanche County in south central Kansas...

* Until 645 PM CDT.

* At 602 PM CDT, a severe thunderstorm was located near Sun City,
  moving southwest at 10 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
  west central Barber and northeastern Comanche Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3737 9883 3719 9863 3713 9911 3737 9910
TIME...MOT...LOC 2302Z 053DEG 9KT 3730 9893 

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

FINCH
2 follow-up statements
188 
WWUS53 KDDC 312319
SVSDDC

Severe Weather Statement
National Weather Service Dodge City KS
619 PM CDT Sat Jul 31 2021

KSC007-033-312345-
/O.CON.KDDC.SV.W.0147.000000T0000Z-210731T2345Z/
Barber KS-Comanche KS-
619 PM CDT Sat Jul 31 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR WEST CENTRAL BARBER AND EAST CENTRAL COMANCHE COUNTIES...

At 619 PM CDT, a severe thunderstorm was located near Lake City,
moving southeast at 10 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...
Lake City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3737 9883 3719 9863 3714 9905 3735 9898
TIME...MOT...LOC 2319Z 295DEG 8KT 3728 9890 

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

FINCH
930 
WWUS53 KDDC 312326
SVSDDC

Severe Weather Statement
National Weather Service Dodge City KS
626 PM CDT Sat Jul 31 2021

KSC007-033-312335-
/O.CAN.KDDC.SV.W.0147.000000T0000Z-210731T2345Z/
Barber KS-Comanche KS-
626 PM CDT Sat Jul 31 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL BARBER AND EAST
CENTRAL COMANCHE 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.

LAT...LON 3737 9883 3719 9863 3714 9905 3735 9898
TIME...MOT...LOC 2323Z 053DEG 9KT 3727 9892 

$$

FINCH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 4:05 PM CDTSpecial Weather StatementDDCFinney40 min
Jul 31, 4:07 PM CDTSpecial Weather StatementDDCGrant38 min
Jul 31, 5:18 PM CDTSpecial Weather StatementDDCFord42 min
Jul 31, 5:57 PM CDTSpecial Weather StatementDDCGray48 min
Jul 31, 6:28 PM CDTSevere Thunderstorm WarningDDCBarber, Kiowa, Pratt38 min
Jul 31, 6:36 PM CDTSpecial Weather StatementDDCGrant24 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.