Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 166, NWS Dodge City, KS

September 4, 2012Trego County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Sep 4, 2012, 4:41 PM CDT for Trego County, Kansas. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 4, 2012, 4:41 PM CDT (21:41 UTC)
Expired
Sep 4, 2012, 5:30 PM CDT
In force
49 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

County Trego County, KS

The radar

The Dodge City radar (KDDC), 147 km from the middle of the area, began a volume at 21:42 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.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.7 hours before the alert went out and 146 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 2012-09-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 295 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 2012-09-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
295 J/kg
Mixed-layer CIN
-259 J/kg
Mixed-layer LCL
2143 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
25 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.

318 
WUUS53 KDDC 042141
SVRDDC
KSC195-042230-
/O.NEW.KDDC.SV.W.0166.120904T2141Z-120904T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
441 PM CDT TUE SEP 4 2012

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN TREGO COUNTY IN WEST CENTRAL KANSAS...

* UNTIL 530 PM CDT

* AT 438 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 QUINTER...AND MOVING
  EAST AT 35 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING  
  WINDS. 

  THIS SEVERE THUNDERSTORM HAS A HISTORY OF SEVERE WIND GUSTS OVER   
  SOUTHERN SHERIDAN COUNTY.

* LOCATIONS IMPACTED INCLUDE...
  COLLYER...
  VODA...
  WAKEENEY...
  WAKEENEY...
  OGALLAH...
  MAINLY RURAL AREAS OF NORTHERN TREGO COUNTY.

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 3912 9961 3910 9962 3896 9970 3898 10015
      3913 10015 3914 9961
TIME...MOT...LOC 2139Z 286DEG 32KT 3911 10019
WIND...HAIL 70MPH 0.75IN

$$

RUSSELL
2 follow-up statements
631 
WWUS53 KDDC 042157
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
457 PM CDT TUE SEP 4 2012

KSC195-042230-
/O.CON.KDDC.SV.W.0166.000000T0000Z-120904T2230Z/
TREGO KS-
457 PM CDT TUE SEP 4 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN TREGO
COUNTY UNTIL 530 PM CDT...

AT 452 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 COLLYER...AND MOVING EAST AT
35 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

THUNDERSTORM WIND GUSTS OF 64 MPH WERE REPORTED AT QUINTER A 448 PM. 
THE STORM HAS A SUSTAINED HISTORY OF SEVERE WIND GUSTS OVER THE LAST 
HOUR. 



LOCATIONS IMPACTED INCLUDE...
  COLLYER...
  VODA...
  WAKEENEY...
  OGALLAH...
  MAINLY RURAL AREAS OF NORTHERN TREGO COUNTY.

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 3912 9961 3910 9962 3896 9970 3898 10015
      3913 10015 3914 9961
TIME...MOT...LOC 2155Z 282DEG 37KT 3907 10010
WIND...HAIL 70MPH 0.75IN

$$

RUSSELL
646 
WWUS53 KDDC 042225
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
525 PM CDT TUE SEP 4 2012

KSC195-042234-
/O.EXP.KDDC.SV.W.0166.000000T0000Z-120904T2230Z/
TREGO KS-
525 PM CDT TUE SEP 4 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN TREGO COUNTY WILL
EXPIRE AT 530 PM CDT/430 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 SMALL HAIL AND GUSTY WINDS TO AROUND 50 MPH ARE 
STILL EXPECTED WITH THIS THUNDERSTORM THROUGH 545 PM.

LAT...LON 3912 9961 3910 9962 3896 9970 3898 10015
      3913 10015 3914 9961
TIME...MOT...LOC 2224Z 282DEG 37KT 3901 9972

$$

RUSSELL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 7:58 PM CDTSpecial Weather StatementDDCMorton47 min
Sep 4, 4:21 PM CDTSpecial Weather StatementDDCStevens39 min
Sep 4, 5:28 PM CDTSpecial Weather StatementDDCEllis47 min
Sep 4, 6:15 PM CDTSpecial Weather StatementDDCEllis45 min
Sep 4, 6:17 PM CDTSevere Thunderstorm WarningDDCEllis30 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.