Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 207, NWS Dodge City, KS

August 7, 20114 counties in Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Aug 7, 2011, 8:32 PM CDT for 4 counties in Kansas. It was in force for 43 min. 4 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, 8:32 PM CDT (01:32 UTC)
Expired
Aug 7, 2011, 9:15 PM CDT
In force
43 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
0.5 in
Wind
70.0 mph

Counties Edwards County, KS, Pawnee County, KS, Pratt County, KS, Stafford County, KS

The radar

The Dodge City radar (KDDC), 103 km from the middle of the area, began a volume at 01:32 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, 8:35 PM CDTTSTM WND GST 604 Ene Zook, KSSMALL HAIL ALSO OCCURRED AT THIS TIME.
Aug 7, 9:00 PM CDTTSTM WND DMGSt. John, KSA WIND GUST OF 60 MPH OCCURRED IN THE TOWN OF SAINT JOHN. ALSO, POWER LINES WERE REPORTED BLOWN DOWN IN SAINT JOHN AS WELL AS SOME TREE DAMAGE.
Aug 7, 9:14 PM CDTTSTM WND DMG4 N Stafford, KSRURAL POWER LINES WERE BLOWN DOWN NORTH OF STAFFORD.
Aug 7, 9:14 PM CDTNON-TSTM WND GST 659 Ese St. John, KSA WIND GUST OF 65 MPH AND HAIL SMALLER THAN A QUARTER WAS REPORTED BY A TRAINED WEATHER SPOTTER EAST SOUTHEAST OF SAINT JOHN.

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 00:00Z, 1.5 hours before the alert went out and 97 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 2011-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1380 joules per kilogram.LCLEL10008507005003002001001 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 2011-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
1380 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
2833 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.8

Open this sounding in Storm Lab

The text

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

760 
WUUS53 KDDC 080132
SVRDDC
KSC047-145-151-185-080215-
/O.NEW.KDDC.SV.W.0207.110808T0132Z-110808T0215Z/

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

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN EDWARDS COUNTY IN SOUTH CENTRAL KANSAS...
  SOUTHEASTERN PAWNEE COUNTY IN SOUTH CENTRAL KANSAS...
  NORTHERN PRATT COUNTY IN SOUTH CENTRAL KANSAS...
  SOUTHERN STAFFORD COUNTY IN SOUTH CENTRAL KANSAS...

* UNTIL 915 PM CDT

* AT 827 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR BELPRE...AND MOVING
  EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BELPRE...
  MACKSVILLE...
  DILLWYN...
  ST. JOHN...
  MAINLY RURAL AREAS OF EASTERN EDWARDS...NORTHERN PRATT...
  SOUTHEASTERN PAWNEE AND SOUTHERN STAFFORD COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE ACROSS
EDWARDS COUNTY. THIS IS AN EXTREMELY DANGEROUS SITUATION.
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.

&&

LAT...LON 3809 9857 3772 9858 3778 9920 3809 9916
TIME...MOT...LOC 0132Z 270DEG 20KT 3790 9907
WIND...HAIL 70MPH <.50IN

$$

GERARD
2 follow-up statements
923 
WWUS53 KDDC 080203
SVSDDC

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

KSC047-145-080212-
/O.CAN.KDDC.SV.W.0207.000000T0000Z-110808T0215Z/
PAWNEE KS-EDWARDS KS-
903 PM CDT SUN AUG 7 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN EDWARDS AND
SOUTHEASTERN PAWNEE COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED 
AREA.

LAT...LON 3776 9896 3809 9887 3809 9857 3772 9858
TIME...MOT...LOC 0202Z 255DEG 58KT 3800 9857

$$

KSC151-185-080215-
/O.CON.KDDC.SV.W.0207.000000T0000Z-110808T0215Z/
STAFFORD KS-PRATT KS-
903 PM CDT SUN AUG 7 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN PRATT
AND CENTRAL STAFFORD COUNTIES UNTIL 915 PM CDT...

AT 900 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 
70 MPH.  THIS STORM WAS LOCATED NEAR STAFFORD...AND MOVING EAST AT 
40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING WIND DAMAGE ACROSS. THIS IS AN 
EXTREMELY DANGEROUS SITUATION. 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.

&&

LAT...LON 3776 9896 3809 9887 3809 9857 3772 9858
TIME...MOT...LOC 0202Z 255DEG 58KT 3800 9857
WIND...HAIL 70MPH <.50IN

$$

RUSSELL
744 
WWUS53 KDDC 080214
SVSDDC

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

KSC151-185-080223-
/O.EXP.KDDC.SV.W.0207.000000T0000Z-110808T0215Z/
STAFFORD KS-PRATT KS-
914 PM CDT SUN AUG 7 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PRATT AND CENTRAL
STAFFORD COUNTIES WILL EXPIRE AT 915 PM CDT/815 PM MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS 
THUNDERSTORM AND A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
EASTERN STAFFORD COUNTY UNTIL 945 CDT.  

LAT...LON 3776 9896 3809 9887 3809 9857 3772 9858
TIME...MOT...LOC 0213Z 255DEG 58KT 3805 9835

$$

RUSSELL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 7:03 PM CDTSevere Thunderstorm WarningDDCHodgeman42 min
Aug 7, 7:20 PM CDTSevere Thunderstorm WarningDDCEdwards, Ford, Hodgeman, Kiowa, Pawnee40 min
Aug 7, 7:45 PM CDTSevere Thunderstorm WarningDDCClark, Comanche, Ford, Kiowa45 min
Aug 7, 7:55 PM CDTSevere Thunderstorm WarningDDCEdwards, Pawnee50 min
Aug 7, 8:00 PM CDTSevere Thunderstorm WarningDDCLane, Scott45 min
Aug 7, 8:05 PM CDTTornado WarningDDCEdwards, Pawnee11 min
Aug 7, 9:06 PM CDTSevere Thunderstorm WarningDDCStafford39 min
Aug 8, 6:39 AM CDTSpecial Weather StatementDDCFord51 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.