Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 59, NWS Dodge City, KS

April 30, 2012Edwards County, Kiowa County, Kansas

NWS Dodge City, KS issued this severe thunderstorm warning at Apr 30, 2012, 8:40 PM CDT for Edwards County, Kiowa County, Kansas. It was in force for 50 min. 4 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, 8:40 PM CDT (01:40 UTC)
Expired: Apr 30, 2012, 9:30 PM CDT
In force: 50 min
Issued by: NWS Dodge City, KS
Area: Storm-based polygon
Hail: 1.5 in
Wind: 50.0 mph

Counties Edwards County, KS, Kiowa County, KS

The radar

The Dodge City radar (KDDC), 69 km from the middle of the area, began a volume at 01:43 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, 9:05 PM CDT	HAIL 1	5 Wsw Haviland, KS	NUMEROUS QUARTER SIZED HAIL STONES WERE OBSERVED.
Apr 30, 9:06 PM CDT	HAIL 1	3 Ssw Haviland, KS	DIME TO NICKLE SIZED HAIL WITH SOME QUARTER SIZED HAIL WAS REPORTED.
Apr 30, 9:13 PM CDT	HAIL 1	3 Ssw Haviland, KS	DIME TO NICKLE SIZED HAIL WITH SOME QUARTER SIZED HAIL WAS REPORTED.
Apr 30, 9:16 PM CDT	HAIL 1.25	4 Se Haviland, 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, 1.7 hours before the alert went out and 64 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.

895 
WUUS53 KDDC 010140
SVRDDC
KSC047-097-010230-
/O.NEW.KDDC.SV.W.0059.120501T0140Z-120501T0230Z/

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

THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTH CENTRAL EDWARDS COUNTY IN SOUTH CENTRAL KANSAS...
  KIOWA COUNTY IN SOUTH CENTRAL KANSAS...

* UNTIL 930 PM CDT

* AT 838 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE HAIL. 
  THIS STORM WAS LOCATED 6 MILES NORTHWEST OF GREENSBURG...AND MOVING
  EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MULLINVILLE...
  GREENSBURG...
  HAVILAND...
  WELLSFORD...
  MAINLY RURAL AREAS OF KIOWA AND SOUTHERN EDWARDS 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 3772 9901 3739 9902 3758 9951 3778 9943
TIME...MOT...LOC 0139Z 285DEG 21KT 3764 9938
WIND...HAIL <50MPH 1.50IN

$$

18

1 follow-up statement

780 
WWUS53 KDDC 010159
SVSDDC

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

KSC047-010209-
/O.CAN.KDDC.SV.W.0059.000000T0000Z-120501T0230Z/
EDWARDS KS-
859 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL EDWARDS COUNTY
IS CANCELLED...

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

LAT...LON 3739 9902 3754 9940 3773 9924 3773 9915
      3772 9901
TIME...MOT...LOC 0159Z 285DEG 21KT 3761 9924

$$

KSC097-010230-
/O.CON.KDDC.SV.W.0059.000000T0000Z-120501T0230Z/
KIOWA KS-
859 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN KIOWA
COUNTY UNTIL 930 PM CDT...

AT 857 PM 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 NEAR
GREENSBURG...AND MOVING EAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
  GREENSBURG...
  HAVILAND...
  BELVIDERE...
  WELLSFORD...
  MAINLY RURAL AREAS OF EASTERN KIOWA 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 3739 9902 3754 9940 3773 9924 3773 9915
      3772 9901
TIME...MOT...LOC 0159Z 285DEG 21KT 3761 9924
WIND...HAIL 60MPH 1.00IN

$$

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, 8:44 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.