Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 61, NWS Dodge City, KS

April 30, 2012Barber County, Kiowa County, Pratt County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Apr 30, 2012, 9:12 PM CDT for Barber County, Kiowa County, Pratt County, Kansas. It was in force for 48 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
Apr 30, 2012, 9:12 PM CDT (02:12 UTC)
Expired
Apr 30, 2012, 10:00 PM CDT
In force
48 min
Issued by
NWS Dodge City, KS
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

Counties Barber County, KS, Kiowa County, KS, Pratt County, KS

The radar

The Vance AFB radar (KVNX), 95 km from the middle of the area, began a volume at 02:15 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
Apr 30, 9:13 PM CDTHAIL 13 Ssw Haviland, KSDIME TO NICKLE SIZED HAIL WITH SOME QUARTER SIZED HAIL WAS REPORTED.
Apr 30, 9:16 PM CDTHAIL 1.254 Se Haviland, KS
Apr 30, 9:39 PM CDTHAIL 14 Nnw Lake City, KS
Apr 30, 9:55 PM CDTHAIL 13 N Medicine Lodge, KS
Apr 30, 9:58 PM CDTHAIL 1.753 Nne Sun City, KS
Apr 30, 10:00 PM CDTHAIL 13 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.

IssuedProductOfficeLasted
Apr 30, 5:42 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 2.2 hours before the alert went out and 109 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 2012-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1421 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 00:00Z on 2012-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
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.

319 
WUUS53 KDDC 010212
SVRDDC
KSC007-097-151-010300-
/O.NEW.KDDC.SV.W.0061.120501T0212Z-120501T0300Z/

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

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BARBER COUNTY IN SOUTH CENTRAL KANSAS...
  EASTERN KIOWA COUNTY IN SOUTH CENTRAL KANSAS...
  SOUTHERN PRATT COUNTY IN SOUTH CENTRAL KANSAS...

* UNTIL 1000 PM CDT

* AT 906 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED NEAR HAVILAND...AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WELLSFORD...
  BELVIDERE...
  CROFT...
  COATS...
  LAKE CITY...
  SAWYER...
  CAIRO...
  ISABEL...
  MAINLY RURAL AREAS OF EASTERN KIOWA...NORTHERN BARBER AND SOUTHERN
  PRATT 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 3739 9900 3747 9924 3772 9908 3768 9846
      3739 9846 3738 9834 3709 9834
TIME...MOT...LOC 0212Z 295DEG 28KT 3754 9905
WIND...HAIL 60MPH 1.50IN

$$

18
2 follow-up statements
917 
WWUS53 KDDC 010226
SVSDDC

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

KSC007-097-151-010300-
/O.CON.KDDC.SV.W.0061.000000T0000Z-120501T0300Z/
PRATT KS-KIOWA KS-BARBER KS-
926 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
BARBER...EASTERN KIOWA AND SOUTHERN PRATT COUNTIES UNTIL 1000 PM
CDT...

AT 920 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
CROFT...AND MOVING SOUTHEAST AT 30 MPH.

AT 916 PM HALF DOLLAR SIZE HAIL WAS REPORTED 4 MILES SOUTHEAST OF 
HAVILAND. 

LOCATIONS IMPACTED INCLUDE...
  CROFT...
  COATS...
  LAKE CITY...
  SAWYER...
  CAIRO...
  MEDICINE LODGE...
  MAINLY RURAL AREAS OF EASTERN KIOWA...NORTHERN BARBER AND SOUTHERN
  PRATT 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 3739 9900 3747 9924 3772 9908 3768 9846
      3739 9846 3738 9834 3709 9834
TIME...MOT...LOC 0225Z 295DEG 28KT 3750 9893
WIND...HAIL 60MPH 1.50IN

$$

18
272 
WWUS53 KDDC 010236
SVSDDC

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

KSC097-010246-
/O.CAN.KDDC.SV.W.0061.000000T0000Z-120501T0300Z/
KIOWA KS-
936 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN KIOWA COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 3739 9900 3748 9900 3761 9900 3768 9846
      3739 9846 3738 9834 3709 9834
TIME...MOT...LOC 0236Z 295DEG 34KT 3741 9882

$$

KSC007-151-010300-
/O.CON.KDDC.SV.W.0061.000000T0000Z-120501T0300Z/
PRATT KS-BARBER KS-
936 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
BARBER AND SOUTHERN PRATT COUNTIES UNTIL 1000 PM CDT...

AT 934 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
SUN CITY...AND MOVING SOUTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  SUN CITY...
  LAKE CITY...
  CAIRO...
  MEDICINE LODGE...
  SHARON...
  MAINLY RURAL AREAS OF NORTHERN BARBER AND SOUTHERN PRATT 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 3739 9900 3748 9900 3761 9900 3768 9846
      3739 9846 3738 9834 3709 9834
TIME...MOT...LOC 0236Z 295DEG 34KT 3741 9882
WIND...HAIL 70MPH 1.00IN

$$

18

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 7:00 PM CDTTornado WarningDDCKiowa30 min
Apr 30, 7:11 PM CDTSevere Thunderstorm WarningDDCEdwards, Ford, Hodgeman, Pawnee49 min
Apr 30, 7:12 PM CDTTornado WarningDDCBarber, Comanche33 min
Apr 30, 7:14 PM CDTTornado WarningDDCBarber, Pratt31 min
Apr 30, 7:28 PM CDTSevere Thunderstorm WarningDDCEdwards33 min
Apr 30, 7:31 PM CDTTornado WarningDDCKiowa, Pratt23 min
Apr 30, 7:41 PM CDTSevere Thunderstorm WarningDDCBarber49 min
Apr 30, 7:41 PM CDTTornado WarningDDCBarber, Pratt34 min
Apr 30, 7:44 PM CDTTornado WarningDDCBarber, Comanche31 min
Apr 30, 8:07 PM CDTSevere Thunderstorm WarningDDCEdwards, Ford, Kiowa26 min
Apr 30, 8:12 PM CDTTornado WarningDDCBarber, Pratt15 min
Apr 30, 8:15 PM CDTTornado WarningDDCBarber30 min
Apr 30, 8:40 PM CDTSevere Thunderstorm WarningDDCEdwards, Kiowa50 min
Apr 30, 8:44 PM CDTSevere Thunderstorm WarningDDCBarber21 min
Apr 30, 9:56 PM CDTSevere Thunderstorm WarningDDCBarber34 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.