Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 69, NWS Wichita, KS

April 30, 2012Labette County, Montgomery County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Apr 30, 2012, 9:11 PM CDT for Labette County, Montgomery County, Kansas. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 30, 2012, 9:11 PM CDT (02:11 UTC)
Expired: Apr 30, 2012, 9:58 PM CDT
In force: 47 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Labette County, KS, Montgomery County, KS

The radar

The Tulsa radar (KINX), 101 km from the middle of the area, began a volume at 02:12 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.

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, 2.2 hours before the alert went out and 159 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.

041 
WUUS53 KICT 010211
SVRICT
KSC099-125-010315-
/O.NEW.KICT.SV.W.0069.120501T0211Z-120501T0315Z/

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

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN LABETTE COUNTY IN SOUTHEAST KANSAS...
  MONTGOMERY COUNTY IN SOUTHEAST KANSAS...

* UNTIL 1015 PM CDT

* AT 907 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR TYRO...AND
  MOVING NORTHEAST AT 20 MPH.

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

  SOURCE...TRAINED WEATHER SPOTTERS.

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

* LOCATIONS IMPACTED INCLUDE...
  COFFEYVILLE...TYRO...DEARING...INDEPENDENCE...LIBERTY...
  INDEPENDENCE AIRPORT...BOLTON...COFFEYVILLE AIRPORT AND ANGOLA.

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 3700 9597 3710 9597 3736 9565 3705 9539
      3699 9560 3699 9596
TIME...MOT...LOC 0211Z 240DEG 19KT 3704 9585

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

$$

SMITH

2 follow-up statements

547 
WWUS53 KICT 010233
SVSICT

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

KSC099-125-010315-
/O.CON.KICT.SV.W.0069.000000T0000Z-120501T0315Z/
MONTGOMERY KS-LABETTE KS-
933 PM CDT MON APR 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
LABETTE AND SOUTHEASTERN MONTGOMERY COUNTIES UNTIL 1015 PM CDT...

AT 931 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COFFEYVILLE...
AND MOVING NORTHEAST AT 20 MPH.

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

SOURCE...TRAINED WEATHER SPOTTERS.

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

LOCATIONS IMPACTED INCLUDE...
COFFEYVILLE...INDEPENDENCE...LIBERTY...COFFEYVILLE AIRPORT AND
ANGOLA.

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 3699 9560 3699 9584 3713 9590 3736 9565
      3705 9539
TIME...MOT...LOC 0233Z 232DEG 18KT 3703 9565

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

$$

JAKUB

902 
WWUS53 KICT 010258
SVSICT

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

KSC099-125-010308-
/O.CAN.KICT.SV.W.0069.000000T0000Z-120501T0315Z/
MONTGOMERY KS-LABETTE KS-
958 PM CDT MON APR 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LABETTE AND
SOUTHEASTERN MONTGOMERY COUNTIES IS CANCELLED...

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

LAT...LON 3699 9560 3699 9584 3713 9590 3736 9565
      3705 9539
TIME...MOT...LOC 0258Z 232DEG 18KT 3711 9553

$$

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, 9:12 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, 10:14 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Cowley, Sedgwick, Sumner	61 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.