Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 74, NWS Wichita, KS

April 30, 20124 counties in Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Apr 30, 2012, 10:14 PM CDT for 4 counties in Kansas. It was in force for 61 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, 10:14 PM CDT (03:14 UTC)
Expired: Apr 30, 2012, 11:15 PM CDT
In force: 61 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Butler County, KS, Cowley County, KS, Sedgwick County, KS, Sumner County, KS

The radar

The Wichita radar (KICT), 43 km from the middle of the area, began a volume at 03:13 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, 10:43 PM CDT	TSTM WND DMG	2 W Udall, KS	POWER POLES REPORTED DOWN WEST OF UDALL ON K-55. POWER OUTAGES REPORTED.

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, 7:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 3.2 hours before the alert went out and 98 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.

579 
WUUS53 KICT 010314
SVRICT
KSC015-035-173-191-010415-
/O.NEW.KICT.SV.W.0074.120501T0314Z-120501T0415Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
1014 PM CDT MON APR 30 2012

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN BUTLER COUNTY IN SOUTH CENTRAL KANSAS...
  NORTHWESTERN COWLEY COUNTY IN SOUTH CENTRAL KANSAS...
  SOUTHEASTERN SEDGWICK COUNTY IN SOUTH CENTRAL KANSAS...
  NORTHEASTERN SUMNER COUNTY IN SOUTH CENTRAL KANSAS...

* UNTIL 1115 PM CDT

* AT 1009 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR BELLE
  PLAINE...AND MOVING EAST AT 30 MPH.

  HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

  IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
           DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

* LOCATIONS IMPACTED INCLUDE...
  WINFIELD...BELLE PLAINE...DERBY...MULVANE...OXFORD...ROSE HILL...
  UDALL...DOUGLASS AND ROCK.

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 18 AND 38.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT
IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE
TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3761 9676 3713 9679 3727 9747 3754 9745
TIME...MOT...LOC 0314Z 272DEG 27KT 3740 9731

HAIL...1.00IN
WIND...60 MPH

$$

SMITH

3 follow-up statements

887 
WWUS53 KICT 010329
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
1029 PM CDT MON APR 30 2012

KSC173-010339-
/O.CAN.KICT.SV.W.0074.000000T0000Z-120501T0415Z/
SEDGWICK KS-
1029 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SEDGWICK COUNTY
IS CANCELLED...

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

LAT...LON 3727 9747 3745 9733 3748 9724 3747 9716
      3750 9715 3761 9676 3713 9679
TIME...MOT...LOC 0329Z 272DEG 27KT 3734 9711

$$

KSC015-035-191-010415-
/O.CON.KICT.SV.W.0074.000000T0000Z-120501T0415Z/
SUMNER KS-BUTLER KS-COWLEY KS-
1029 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
COWLEY...SOUTHWESTERN BUTLER AND NORTHEASTERN SUMNER COUNTIES UNTIL
1115 PM CDT...

AT 1028 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR UDALL...AND
MOVING EAST AT 30 MPH.

HAZARD...70 MPH WIND GUSTS AND NICKEL SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. TREE BRANCHES
         UP TO THREE INCHES IN DIAMETER BROKEN. POSSIBLE MINOR DAMAGE
         TO SHINGLE ROOFS AND METAL OUTBUILDINGS.

LOCATIONS IMPACTED INCLUDE...
WINFIELD...DOUGLASS AND ROCK.

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 18 AND 31.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT
IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE
TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3727 9747 3745 9733 3748 9724 3747 9716
      3750 9715 3761 9676 3713 9679
TIME...MOT...LOC 0329Z 272DEG 27KT 3734 9711

HAIL...0.88IN
WIND...70 MPH

$$

JAKUB

711 
WWUS53 KICT 010353
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
1053 PM CDT MON APR 30 2012

KSC015-191-010403-
/O.CAN.KICT.SV.W.0074.000000T0000Z-120501T0415Z/
SUMNER KS-BUTLER KS-
1053 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BUTLER AND
NORTHEASTERN SUMNER COUNTIES IS CANCELLED...

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

LAT...LON 3714 9686 3721 9715 3747 9715 3747 9678
      3713 9679
TIME...MOT...LOC 0353Z 272DEG 27KT 3733 9688

$$

KSC035-010415-
/O.CON.KICT.SV.W.0074.000000T0000Z-120501T0415Z/
COWLEY KS-
1053 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
COWLEY COUNTY UNTIL 1115 PM CDT...

AT 1051 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHEAST
OF WINFIELD...AND MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...MINOR DAMAGE TO VEHICLES...ROOFS AND WINDOWS. MINOR TREE
         DAMAGE...WITH LIMBS UP TO ONE INCH IN DIAMETER BROKEN.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF CENTRAL COWLEY COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH ONE IS NOT
IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE
TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A BASEMENT
OR SMALL INTERIOR ROOM.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3714 9686 3721 9715 3747 9715 3747 9678
      3713 9679
TIME...MOT...LOC 0353Z 272DEG 27KT 3733 9688

HAIL...0.88IN
WIND...60 MPH

$$

JAKUB

365 
WWUS53 KICT 010411
SVSICT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
1111 PM CDT MON APR 30 2012

KSC035-010421-
/O.EXP.KICT.SV.W.0074.000000T0000Z-120501T0415Z/
COWLEY KS-
1111 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN COWLEY COUNTY
WILL EXPIRE AT 1115 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3714 9686 3721 9715 3747 9715 3747 9678
      3713 9679
TIME...MOT...LOC 0411Z 272DEG 27KT 3732 9671

$$

JAKUB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 7:39 PM CDT	Severe Thunderstorm Warning	ICT	Harper	66 min
Apr 30, 8:08 PM CDT	Severe Thunderstorm Warning	ICT	Kingman	67 min
Apr 30, 8:17 PM CDT	Tornado Warning	ICT	Kingman	26 min
Apr 30, 8:19 PM CDT	Tornado Warning	ICT	Harper	56 min
Apr 30, 8:33 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua	14 min
Apr 30, 8:45 PM CDT	Special Weather Statement	ICT	Kingman	45 min
Apr 30, 8:47 PM CDT	Severe Thunderstorm Warning	ICT	Labette	43 min
Apr 30, 9:11 PM CDT	Severe Thunderstorm Warning	ICT	Labette, Montgomery	47 min
Apr 30, 9:12 PM CDT	Severe Thunderstorm Warning	ICT	Labette, Neosho	63 min
Apr 30, 9:15 PM CDT	Tornado Warning	ICT	Harper	15 min
Apr 30, 9:23 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Elk	46 min
Apr 30, 9:52 PM CDT	Areal Flood Warning	ICT	Labette, Montgomery	12 hr
Apr 30, 9:53 PM CDT	Special Weather Statement	ICT	Sedgwick	67 min
Apr 30, 9:56 PM CDT	Special Weather Statement	ICT	Neosho	64 min
Apr 30, 10:08 PM CDT	Severe Thunderstorm Warning	ICT	Labette	51 min
Apr 30, 10:13 PM CDT	Severe Thunderstorm Warning	ICT	Allen, Neosho	29 min
Apr 30, 10:29 PM CDT	Severe Thunderstorm Warning	ICT	Harper, Sumner	26 min
Apr 30, 10:51 PM CDT	Special Weather Statement	ICT	Greenwood	54 min
Apr 30, 10:53 PM CDT	Areal Flood Warning	ICT	Chautauqua	12 hr
Apr 30, 11:06 PM CDT	Special Weather Statement	ICT	Elk	54 min
Apr 30, 11:11 PM CDT	Special Weather Statement	ICT	Cowley	64 min
Apr 30, 11:19 PM CDT	Special Weather Statement	ICT	Labette	26 min
May 1, 12:05 AM CDT	Special Weather Statement	ICT	Labette	25 min
May 1, 12:16 AM CDT	Special Weather Statement	ICT	Labette, Montgomery	44 min
May 1, 12:59 AM CDT	Special Weather Statement	ICT	Labette	31 min
May 1, 1:22 AM CDT	Severe Thunderstorm Warning	ICT	Labette	25 min
May 1, 6:20 AM CDT	Special Weather Statement	ICT	Chase, Marion	25 min
May 1, 6:50 AM CDT	Severe Thunderstorm Warning	ICT	Marion	27 min
May 1, 8:55 AM CDT	River Flood Warning	ICT	Montgomery, Wilson	6 hr
May 1, 9:54 AM CDT	Areal Flood Warning	ICT	Chautauqua, Labette, Montgomery	6 hr

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.