Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 159, NWS Dodge City, KS

August 7, 2021Seward County, Stevens County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Aug 7, 2021, 7:01 PM CDT for Seward County, Stevens County, Kansas. It was in force for 44 min. 3 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
Aug 7, 2021, 7:01 PM CDT (00:01 UTC)
Expired
Aug 7, 2021, 7:45 PM CDT
In force
44 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Seward County, KS, Stevens County, KS

The radar

The Dodge City radar (KDDC), 124 km from the middle of the area, began a volume at 00:05 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
Aug 7, 7:37 PM CDTTSTM WND GST 522 Wsw Liberal, KSAWOS STATION KLBL LIBERAL.
Aug 7, 7:45 PM CDTTSTM WND GST 551 Wsw Hayne, KSMESONET STATION UP407 0.6 SW HAYNE (UPR).
Aug 7, 7:55 PM CDTTSTM WND GST 554 Ne Hayne, KSMESONET STATION UR350 4.4 NE HAYNE (UPR).

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
Aug 7, 4:01 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.0 hours before the alert went out and 130 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 00:00Z on 2021-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1651 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 00:00Z on 2021-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 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
1651 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
2554 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted.

887 
WUUS53 KDDC 080001
SVRDDC
KSC175-189-080045-
/O.NEW.KDDC.SV.W.0159.210808T0001Z-210808T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Dodge City KS
701 PM CDT Sat Aug 7 2021

The National Weather Service in Dodge City has issued a

* Severe Thunderstorm Warning for...
  Southern Seward County in southwestern Kansas...
  Southeastern Stevens County in southwestern Kansas...

* Until 745 PM CDT.

* At 701 PM CDT, a severe thunderstorm was located near Tyrone, or 9
  miles south of Woods, moving east at 25 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Liberal and Hayne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3700 10137 3717 10138 3722 10066 3700 10065
TIME...MOT...LOC 0001Z 269DEG 21KT 3703 10111 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

GERARD
1 follow-up statement
226 
WWUS53 KDDC 080052
SVSDDC

Severe Weather Statement
National Weather Service Dodge City KS
752 PM CDT Sat Aug 7 2021

KSC175-189-080102-
/O.EXP.KDDC.SV.W.0159.000000T0000Z-210808T0045Z/
Seward KS-Stevens KS-
752 PM CDT Sat Aug 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN SEWARD AND
SOUTHEASTERN STEVENS COUNTIES HAS EXPIRED...
                
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 allowed to expire.  However gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
southwestern Kansas.

LAT...LON 3700 10137 3717 10138 3722 10066 3700 10065
TIME...MOT...LOC 0052Z 269DEG 21KT 3703 10075 

$$

GERARD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 7:07 PM CDTSevere Thunderstorm WarningDDCEdwards, Ford, Gray, Hodgeman, Ness, Pawnee38 min
Aug 7, 7:13 PM CDTSevere Thunderstorm WarningDDCEllis, Rush47 min
Aug 7, 7:32 PM CDTSpecial Weather StatementDDCFinney43 min
Aug 7, 7:44 PM CDTSevere Thunderstorm WarningDDCPawnee, Rush, Stafford25 min
Aug 7, 7:51 PM CDTSpecial Weather StatementDDCPawnee54 min
Aug 7, 7:54 PM CDTSevere Thunderstorm WarningDDCFord, Gray51 min
Aug 7, 8:30 PM CDTSevere Thunderstorm WarningDDCFord45 min
Aug 7, 8:44 PM CDTSpecial Weather StatementDDCMeade46 min
Aug 7, 8:51 PM CDTSpecial Weather StatementDDCStafford39 min
Aug 7, 9:11 PM CDTSevere Thunderstorm Warning Considerable damage threatDDCEdwards, Ford, Kiowa49 min
Aug 7, 9:54 PM CDTSpecial Weather StatementDDCPratt, Stafford66 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.