Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 62, NWS Dodge City, KS

April 30, 2012Barber County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Apr 30, 2012, 9:56 PM CDT for Barber County, Kansas. It was in force for 34 min. 1 report 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, 9:56 PM CDT (02:56 UTC)
Expired: Apr 30, 2012, 10:30 PM CDT
In force: 34 min
Issued by: NWS Dodge City, KS
Area: Storm-based polygon
Hail: 1.75 in
Wind: 70.0 mph

County Barber County, KS

The radar

The Vance AFB radar (KVNX), 66 km from the middle of the area, began a volume at 02:59 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	Remark
Apr 30, 10:00 PM CDT	HAIL 1	3 N Medicine Lodge, 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

Lamont, OK (KLMN), launched 00:00Z, 2.9 hours before the alert went out and 113 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: 2077 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1205 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 16.5

Open this sounding in Storm Lab

The text

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

052 
WUUS53 KDDC 010256
SVRDDC
KSC007-010330-
/O.NEW.KDDC.SV.W.0062.120501T0256Z-120501T0330Z/

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

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BARBER COUNTY IN SOUTH CENTRAL KANSAS...

* UNTIL 1030 PM CDT

* AT 953 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 5
  MILES NORTH OF MEDICINE LODGE...AND MOVING SOUTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ISABEL...
  MEDICINE LODGE...
  SHARON...
  HAZELTON...
  MAINLY RURAL AREAS OF NORTHEASTERN BARBER 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 3705 9835 3724 9880 3747 9866 3747 9846
      3739 9846 3739 9835 3738 9834 3705 9834
TIME...MOT...LOC 0256Z 299DEG 42KT 3734 9857
WIND...HAIL 70MPH 1.75IN

$$

18

2 follow-up statements

111 
WWUS53 KDDC 010307
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
1007 PM CDT MON APR 30 2012

KSC007-010330-
/O.CON.KDDC.SV.W.0062.000000T0000Z-120501T0330Z/
BARBER KS-
1007 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
BARBER COUNTY UNTIL 1030 PM CDT...

AT 1002 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
MEDICINE LODGE...AND MOVING SOUTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  MEDICINE LODGE...
  SHARON...
  HAZELTON...
  MAINLY RURAL AREAS OF NORTHEASTERN BARBER 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 3705 9835 3723 9877 3745 9859 3747 9846
      3739 9846 3739 9835 3738 9834 3705 9834
TIME...MOT...LOC 0306Z 299DEG 42KT 3728 9844
WIND...HAIL 60MPH 1.75IN

$$

18

156 
WWUS53 KDDC 010330
SVSDDC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DODGE CITY KS
1030 PM CDT MON APR 30 2012

KSC007-010339-
/O.EXP.KDDC.SV.W.0062.000000T0000Z-120501T0330Z/
BARBER KS-
1030 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BARBER COUNTY
WILL EXPIRE AT 1030 PM CDT/930 PM MDT/...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA...HOWEVER SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE IN 
EASTERN BARBER COUNTY.

LAT...LON 3705 9835 3723 9877 3745 9859 3747 9846
      3739 9846 3739 9835 3738 9834 3705 9834
TIME...MOT...LOC 0329Z 299DEG 42KT 3715 9815

$$

18

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, 7:11 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Ford, Hodgeman, Pawnee	49 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

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.