Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 162, NWS Dodge City, KS

August 18, 20125 counties in Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Aug 18, 2012, 7:50 AM CDT for 5 counties in Kansas. It was in force for 40 min. 6 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 18, 2012, 7:50 AM CDT (12:50 UTC)
Expired
Aug 18, 2012, 8:30 AM CDT
In force
40 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Finney County, KS, Ford County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS

The radar

The Dodge City radar (KDDC), 27 km from the middle of the area, began a volume at 12:53 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 18, 8:00 AM CDTTSTM WND DMG1 E Cimarron, KSAN EMPTY 7,000 GALLON TRUCK TRAILER WAS MOVED 2 FEET. A METAL SHED WAS MOVED 5 FEET. BOTH INCIDENTS OCCURRED ON THE NORTH SIDE OF HIGHWAY 50.
Aug 18, 8:02 AM CDTTSTM WND DMGE Cimarron, KSTHUNDERSTORMS WERE REPORTED TO HAVE DESTROYED A SHED AND BROKEN A FEW WINDOWS IN HOMES ON THE EAST SIDE OF TOWN. A 2000 GALLON EMPTY FUEL TANK WAS BLOWN INTO FARM EQUIPMENT ALSO CAUSING THE WINDOWS TO BREAK.
Aug 18, 8:10 AM CDTTSTM WND GST 504 Nnw Ensign, KS
Aug 18, 8:15 AM CDTTSTM WND DMGDodge City, KSA 4 INCH DIAMETER TREE LIMB WAS DOWNED ON THE NORTH SIDE OF TOWN.
Aug 18, 8:20 AM CDTTSTM WND GST 60Dodge City, KS
Aug 18, 8:22 AM CDTTSTM WND GST 602 Nw Dodge City, KS

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

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 0.8 hours before the alert went out and 281 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, Lamont, OK at 12:00Z on 2012-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lamont, OK at 12:00Z on 2012-08-18The 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1630 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
99 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.

162 
WUUS53 KDDC 181250
SVRDDC
KSC055-057-069-081-083-181330-
/O.NEW.KDDC.SV.W.0162.120818T1250Z-120818T1330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
750 AM CDT SAT AUG 18 2012

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FINNEY COUNTY IN SOUTHWEST KANSAS...
  NORTHERN FORD COUNTY IN SOUTHWEST KANSAS...
  GRAY COUNTY IN SOUTHWEST KANSAS...
  HASKELL COUNTY IN SOUTHWEST KANSAS...
  SOUTHERN HODGEMAN COUNTY IN SOUTHWEST KANSAS...

* UNTIL 830 AM CDT

* AT 748 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 5 MILES
  NORTHWEST OF KALVESTA...AND MOVING SOUTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  KALVESTA...
  INGALLS...
  COPELAND...
  CIMARRON...
  MONTEZUMA...
  HOWELL...
  THE HAGGARD ELEV...
  DODGE CITY...
  MAINLY RURAL AREAS OF FINNEY...GRAY...HASKELL...NORTHERN FORD AND
  SOUTHERN HODGEMAN 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.

&&

LAT...LON 3798 9966 3765 9978 3748 10096 3803 10104
      3825 10023
TIME...MOT...LOC 1250Z 306DEG 31KT 3808 10035
WIND...HAIL 60MPH 1.00IN

$$

KRUSE
1 follow-up statement
955 
WWUS53 KDDC 181306
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
806 AM CDT SAT AUG 18 2012

KSC055-057-069-081-083-181330-
/O.CON.KDDC.SV.W.0162.000000T0000Z-120818T1330Z/
HODGEMAN KS-HASKELL KS-GRAY KS-FINNEY KS-FORD KS-
806 AM CDT SAT AUG 18 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
FORD...SOUTHERN FINNEY...GRAY...NORTHERN HASKELL AND SOUTHERN
HODGEMAN COUNTIES UNTIL 830 AM CDT...

AT 802 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES
SOUTH OF KALVESTA...AND MOVING SOUTHEAST AT 35 MPH.

AT 744 AM A 59 MPH WIND GUST WAS REPORTED AT THE GARDEN CITY AIRPORT.

LOCATIONS IMPACTED INCLUDE...
  KALVESTA...
  CIMARRON...
  COPELAND...
  MONTEZUMA...
  HOWELL...
  DODGE CITY...
  MAINLY RURAL AREAS OF GRAY...NORTHERN FORD...NORTHERN HASKELL...
  SOUTHERN FINNEY AND SOUTHERN HODGEMAN 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.

&&

LAT...LON 3820 10020 3798 9966 3765 9978 3748 10096
      3798 10103
TIME...MOT...LOC 1305Z 314DEG 31KT 3795 10027
WIND...HAIL 60MPH 1.00IN

$$

18

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 3:25 AM CDTSpecial Weather StatementDDCLane50 min
Aug 18, 4:01 AM CDTSpecial Weather StatementDDCNess44 min
Aug 18, 4:45 AM CDTSpecial Weather StatementDDCHodgeman45 min
Aug 18, 6:01 AM CDTSpecial Weather StatementDDCClark, Comanche44 min
Aug 18, 8:29 AM CDTSevere Thunderstorm WarningDDCClark, Ford, Gray, Meade46 min
Aug 18, 9:01 AM CDTSevere Thunderstorm WarningDDCClark, Comanche, Ford, Kiowa49 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2012Every severe thunderstorm warning in 2012

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.