Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 201, NWS Dodge City, KS

August 7, 20114 counties in Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Aug 7, 2011, 6:59 PM CDT for 4 counties in Kansas. It was in force for 46 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, 2011, 6:59 PM CDT (23:59 UTC)
Expired
Aug 7, 2011, 7:45 PM CDT
In force
46 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
0.5 in
Wind
60.0 mph

Counties Clark County, KS, Ford County, KS, Gray County, KS, Meade County, KS

The radar

The Dodge City radar (KDDC), 15 km from the middle of the area, began a volume at 00:03 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, 7:00 PM CDTTSTM WND DMG2 Ssw Dodge City, KSTREE WAS BLOWN DOWN.
Aug 7, 7:15 PM CDTTSTM WND GST 75Dodge City, KSA 16 INCH DIAMETER TREE WAS BLOWN DOWN ON 14TH AVE 2 BLOCKS NORTH OF WYATT EARP.
Aug 7, 7:50 PM CDTTSTM WND DMGNe Ford, KSFOUR INCH TREE LIMBS WERE BLOWN DOWN.

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, 12.0 hours before the alert went out and 17 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 2011-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 729 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 2011-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.193958Sfc1 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
729 J/kg
Mixed-layer CIN
-227 J/kg
Mixed-layer LCL
2262 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

490 
WUUS53 KDDC 072359
SVRDDC
KSC025-057-069-119-080045-
/O.NEW.KDDC.SV.W.0201.110807T2359Z-110808T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
659 PM CDT SUN AUG 7 2011

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CLARK COUNTY IN SOUTHWEST KANSAS...
  FORD COUNTY IN SOUTHWEST KANSAS...
  SOUTHEASTERN GRAY COUNTY IN SOUTHWEST KANSAS...
  NORTHEASTERN MEADE COUNTY IN SOUTHWEST KANSAS...

* UNTIL 745 PM CDT

* AT 654 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM THE HAGGARD ELEV TO 7 MILES SOUTHEAST OF THE HAGGARD ELEV TO
  FOWLER...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ENSIGN...
  HOWELL...
  BLOOM...
  FT. DODGE...
  WRIGHT...
  FORD...
  MAINLY RURAL AREAS OF FORD...NORTHEASTERN MEADE...NORTHERN CLARK
  AND SOUTHEASTERN GRAY COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. IF CAUGHT OUTSIDE
SEEK A STURDY SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS
PASSED.

DAMAGING WINDS WITH THIS STORM WILL OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3791 9988 3772 9958 3738 9959 3724 10022
      3754 10027 3769 10042
TIME...MOT...LOC 2359Z 256DEG 45KT 3767 10021 3756 10012
          3743 10006
WIND...HAIL 60MPH <.50IN

$$

RUSSELL
2 follow-up statements
799 
WWUS53 KDDC 080027
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
727 PM CDT SUN AUG 7 2011

KSC069-119-080036-
/O.CAN.KDDC.SV.W.0201.000000T0000Z-110808T0045Z/
MEADE KS-GRAY KS-
727 PM CDT SUN AUG 7 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GRAY AND
NORTHEASTERN MEADE COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED ACROSS 
THE WARNED AREA.

LAT...LON 3729 10007 3751 10010 3769 10021 3791 9988
      3772 9958 3738 9959
TIME...MOT...LOC 0026Z 273DEG 32KT 3775 9988 3753 9984
          3735 9981

$$

KSC025-057-080045-
/O.CON.KDDC.SV.W.0201.000000T0000Z-110808T0045Z/
CLARK KS-FORD KS-
727 PM CDT SUN AUG 7 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR FORD AND
NORTHERN CLARK COUNTIES UNTIL 745 PM CDT...

AT 722 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE
HURRICANE FORCE WINDS IN EXCESS OF 80 MPH.  THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM FT. DODGE TO BLOOM TO 5 MILES SOUTHWEST
OF CLARK STATE LAKE...AND MOVING EAST AT 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM 
WINDOWS!

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. IF CAUGHT OUTSIDE
SEEK A STURDY SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS
PASSED.

DAMAGING WINDS WITH THIS STORM WILL OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3729 10007 3751 10010 3769 10021 3791 9988
      3772 9958 3738 9959
TIME...MOT...LOC 0026Z 273DEG 32KT 3775 9988 3753 9984
          3735 9981
WIND...HAIL 80MPH <.50IN

$$

RUSSELL
959 
WWUS53 KDDC 080047
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
747 PM CDT SUN AUG 7 2011

KSC025-057-080058-
/O.EXP.KDDC.SV.W.0201.000000T0000Z-110808T0045Z/
CLARK KS-FORD KS-
747 PM CDT SUN AUG 7 2011

...THE SEVERE THUNDERSTORM WARNING FOR FORD AND NORTHERN CLARK
COUNTIES HAS EXPIRED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY.

LAT...LON 3729 10007 3751 10010 3769 10021 3791 9988
      3772 9958 3738 9959
TIME...MOT...LOC 0027Z 273DEG 32KT 3775 9987 3753 9983
          3735 9980

$$

RUSSELL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 4:00 AM CDTHeat AdvisoryDDCBarber, Clark, Comanche, Edwards, Kiowa, Pratt and 1 more16 hr
Aug 7, 8:22 AM CDTSpecial Weather StatementDDCTrego38 min
Aug 7, 4:30 PM CDTSpecial Weather StatementDDCGrant, Stevens45 min
Aug 7, 4:52 PM CDTSevere Thunderstorm WarningDDCGrant38 min
Aug 7, 5:18 PM CDTSpecial Weather StatementDDCHaskell, Stevens42 min
Aug 7, 5:46 PM CDTSpecial Weather StatementDDCFinney44 min
Aug 7, 5:51 PM CDTSevere Thunderstorm WarningDDCFinney, Gray, Haskell39 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2011Every severe thunderstorm warning in 2011

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.