Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 55, NWS Dodge City, KS

April 30, 20124 counties in Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Apr 30, 2012, 7:11 PM CDT for 4 counties in Kansas. It was in force for 49 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: Apr 30, 2012, 7:11 PM CDT (00:11 UTC)
Expired: Apr 30, 2012, 8:00 PM CDT
In force: 49 min
Issued by: NWS Dodge City, KS
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Edwards County, KS, Ford County, KS, Hodgeman County, KS, Pawnee County, KS

The radar

The Dodge City radar (KDDC), 54 km from the middle of the area, began a volume at 00:12 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

Time	Report	Where
Apr 30, 7:45 PM CDT	TSTM WND GST 60	6 Se Offerle, KS
Apr 30, 7:45 PM CDT	HAIL 1	6 Se Offerle, KS
Apr 30, 8:08 PM CDT	HAIL 1.25	Sw Kinsley, KS

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.

Issued	Product	Office	Lasted
Apr 30, 5:42 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.2 hours before the alert went out and 48 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1421 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 613 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 11.8

Open this sounding in Storm Lab

The text

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

100 
WUUS53 KDDC 010011
SVRDDC
KSC047-057-083-145-010100-
/O.NEW.KDDC.SV.W.0055.120501T0011Z-120501T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DODGE CITY KS
711 PM CDT MON APR 30 2012

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EDWARDS COUNTY IN SOUTH CENTRAL KANSAS...
  NORTHEASTERN FORD COUNTY IN SOUTHWEST KANSAS...
  SOUTHEASTERN HODGEMAN COUNTY IN SOUTHWEST KANSAS...
  SOUTH CENTRAL PAWNEE COUNTY IN SOUTH CENTRAL KANSAS...

* UNTIL 800 PM CDT

* AT 707 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM GARFIELD TO WINDHORST...AND
  MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WINDHORST...
  GARFIELD...
  LEWIS...
  ZOOK...
  MAINLY RURAL AREAS OF EDWARDS...NORTHEASTERN FORD...SOUTHEASTERN
  HODGEMAN AND SOUTHERN PAWNEE 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 3805 9904 3774 9953 3773 9968 3789 9969
      3818 9937
TIME...MOT...LOC 0011Z 286DEG 22KT 3808 9926 3776 9959
WIND...HAIL 60MPH 1.75IN

$$

SUGDEN

3 follow-up statements

114 
WWUS53 KDDC 010024
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
724 PM CDT MON APR 30 2012

KSC057-083-010034-
/O.CAN.KDDC.SV.W.0055.000000T0000Z-120501T0100Z/
HODGEMAN KS-FORD KS-
724 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FORD AND
SOUTHEASTERN HODGEMAN COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT 
THE WARNED AREA.

LAT...LON 3776 9952 3776 9953 3791 9956 3818 9937
      3805 9904
TIME...MOT...LOC 0024Z 286DEG 22KT 3806 9916 3775 9948

$$

KSC047-145-010100-
/O.CON.KDDC.SV.W.0055.000000T0000Z-120501T0100Z/
PAWNEE KS-EDWARDS KS-
724 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EDWARDS AND
SOUTH CENTRAL PAWNEE COUNTIES UNTIL 800 PM CDT...

AT 721 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM GARFIELD TO 7 MILES EAST OF
WINDHORST...AND MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  GARFIELD...
  ZOOK...
  MAINLY RURAL AREAS OF EDWARDS AND SOUTHERN PAWNEE 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 3776 9952 3776 9953 3791 9956 3818 9937
      3805 9904
TIME...MOT...LOC 0024Z 286DEG 22KT 3806 9916 3775 9948
WIND...HAIL 60MPH 1.75IN

$$

SUGDEN

010 
WWUS53 KDDC 010040
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
740 PM CDT MON APR 30 2012

KSC047-145-010100-
/O.CON.KDDC.SV.W.0055.000000T0000Z-120501T0100Z/
PAWNEE KS-EDWARDS KS-
740 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
EDWARDS AND SOUTH CENTRAL PAWNEE COUNTIES UNTIL 800 PM CDT...

AT 735 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM ZOOK TO 8 MILES SOUTHWEST OF
CENTERVIEW...AND MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  ZOOK...
  MAINLY RURAL AREAS OF NORTHERN EDWARDS AND SOUTHERN PAWNEE
  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 3781 9945 3783 9946 3796 9943 3815 9930
      3805 9904
TIME...MOT...LOC 0041Z 286DEG 22KT 3803 9903 3772 9935
WIND...HAIL 60MPH 1.75IN

$$

SUGDEN

662 
WWUS53 KDDC 010050
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
750 PM CDT MON APR 30 2012

KSC047-145-010100-
/O.EXP.KDDC.SV.W.0055.000000T0000Z-120501T0100Z/
PAWNEE KS-EDWARDS KS-
750 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN EDWARDS AND SOUTH
CENTRAL PAWNEE COUNTIES WILL EXPIRE AT 800 PM CDT/700 PM MDT/...

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 3781 9945 3783 9946 3796 9943 3815 9930
      3805 9904
TIME...MOT...LOC 0050Z 286DEG 22KT 3801 9896 3770 9928

$$

SUGDEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 7:00 PM CDT	Tornado Warning	DDC	Kiowa	30 min
Apr 30, 7:12 PM CDT	Tornado Warning	DDC	Barber, Comanche	33 min
Apr 30, 7:14 PM CDT	Tornado Warning	DDC	Barber, Pratt	31 min
Apr 30, 7:28 PM CDT	Severe Thunderstorm Warning	DDC	Edwards	33 min
Apr 30, 7:31 PM CDT	Tornado Warning	DDC	Kiowa, Pratt	23 min
Apr 30, 7:41 PM CDT	Severe Thunderstorm Warning	DDC	Barber	49 min
Apr 30, 7:41 PM CDT	Tornado Warning	DDC	Barber, Pratt	34 min
Apr 30, 7:44 PM CDT	Tornado Warning	DDC	Barber, Comanche	31 min
Apr 30, 8:07 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Ford, Kiowa	26 min
Apr 30, 8:12 PM CDT	Tornado Warning	DDC	Barber, Pratt	15 min
Apr 30, 8:15 PM CDT	Tornado Warning	DDC	Barber	30 min
Apr 30, 8:40 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Kiowa	50 min
Apr 30, 8:44 PM CDT	Severe Thunderstorm Warning	DDC	Barber	21 min
Apr 30, 9:12 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Kiowa, Pratt	48 min
Apr 30, 9:56 PM CDT	Severe Thunderstorm Warning	DDC	Barber	34 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2012 Every 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.