Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 91, NWS Topeka, KS

June 30, 20126 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Jun 30, 2012, 8:26 PM CDT for 6 counties in Kansas. It was in force for 49 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: Jun 30, 2012, 8:26 PM CDT (01:26 UTC)
Expired: Jun 30, 2012, 9:15 PM CDT
In force: 49 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Jackson County, KS, Lyon County, KS, Osage County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 23 km from the middle of the area, began a volume at 01:29 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
Jun 30, 8:37 PM CDT	TSTM WND GST 60	2 Ene Paxico, KS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.4 hours before the alert went out and 28 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: 2504 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 2499 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 78 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

564 
WUUS53 KTOP 010126
SVRTOP
KSC085-111-139-149-177-197-010215-
/O.NEW.KTOP.SV.W.0091.120701T0126Z-120701T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
826 PM CDT SAT JUN 30 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN JACKSON COUNTY IN NORTHEAST KANSAS...
  NORTHEASTERN LYON COUNTY IN EAST CENTRAL KANSAS...
  NORTHWESTERN OSAGE COUNTY IN EAST CENTRAL KANSAS...
  SOUTHEASTERN POTTAWATOMIE COUNTY IN NORTHEAST KANSAS...
  SHAWNEE COUNTY IN EAST CENTRAL KANSAS...
  WABAUNSEE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 915 PM CDT

* AT 820 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM 6 MILES NORTH OF BELVUE TO MCFARLAND TO
  VOLLAND...AND MOVING SOUTHEAST AT 45 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...
  ESKRIDGE...ROSSVILLE...TOPEKA...EMMETT...PAXICO...ST. MARYS...
  DELIA...MAPLE HILL...KEENE...WILLARD...DOVER...SILVER LAKE...
  HARVEYVILLE...AUBURN...BURLINGAME AND PAULINE.

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 145 AND 177.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 332 AND 355.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3916 9562 3872 9578 3859 9603 3891 9644
      3904 9624 3945 9603
TIME...MOT...LOC 0125Z 311DEG 38KT 3927 9616 3903 9622
          3894 9639

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

$$

2 follow-up statements

524 
WWUS53 KTOP 010140
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
840 PM CDT SAT JUN 30 2012

KSC085-111-139-149-177-197-010215-
/O.CON.KTOP.SV.W.0091.000000T0000Z-120701T0215Z/
SHAWNEE KS-POTTAWATOMIE KS-OSAGE KS-LYON KS-JACKSON KS-WABAUNSEE KS-
840 PM CDT SAT JUN 30 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WABAUNSEE...
SOUTHWESTERN JACKSON...NORTHEASTERN LYON...NORTHWESTERN OSAGE...
SOUTHEASTERN POTTAWATOMIE AND SHAWNEE COUNTIES UNTIL 915 PM CDT...

AT 838 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM ST. MARYS TO KEENE TO 8 MILES WEST OF ESKRIDGE...
AND MOVING SOUTHEAST AT 45 MPH.

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

SOURCE...TRAINED WEATHER SPOTTERS. WINDS OF 60 MPH WERE REPORTED 2 
MILES EAST NORTHEAST OF PAXICO AT 837 PM CDT.

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

LOCATIONS IMPACTED INCLUDE...
ESKRIDGE...ROSSVILLE...TOPEKA...KEENE...WILLARD...DOVER...SILVER
LAKE...HARVEYVILLE...AUBURN...BURLINGAME AND PAULINE.

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 144 AND 177.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 331 AND 355.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 3916 9562 3872 9578 3859 9603 3891 9644
      3904 9624 3945 9603
TIME...MOT...LOC 0139Z 311DEG 38KT 3917 9602 3893 9608
          3884 9625

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

$$

WOYNICK

311 
WWUS53 KTOP 010211
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
911 PM CDT SAT JUN 30 2012

KSC085-111-139-149-177-197-010222-
/O.EXP.KTOP.SV.W.0091.000000T0000Z-120701T0215Z/
SHAWNEE KS-POTTAWATOMIE KS-OSAGE KS-LYON KS-JACKSON KS-WABAUNSEE KS-
911 PM CDT SAT JUN 30 2012

...THE SEVERE THUNDERSTORM WARNING FOR WABAUNSEE...SOUTHWESTERN
JACKSON...NORTHEASTERN LYON...NORTHWESTERN OSAGE...SOUTHEASTERN
POTTAWATOMIE AND SHAWNEE COUNTIES WILL EXPIRE AT 915 PM CDT...

THE LINE OF STORMS 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 THESE
THUNDERSTORMS.

LAT...LON 3916 9562 3872 9578 3859 9603 3891 9644
      3904 9624 3945 9603
TIME...MOT...LOC 0212Z 311DEG 38KT 3894 9568 3870 9574
          3861 9591

$$

WOYNICK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 7:05 PM CDT	Special Weather Statement	TOP	Clay	40 min
Jun 30, 7:20 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Nemaha	40 min
Jun 30, 8:05 PM CDT	Special Weather Statement	TOP	Nemaha, Pottawatomie	40 min
Jun 30, 8:15 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Jackson, Pottawatomie, Riley, Wabaunsee	45 min
Jun 30, 9:20 PM CDT	Special Weather Statement	TOP	Coffey, Douglas, Franklin, Jefferson, Lyon, Osage	40 min
Jun 30, 9:31 PM CDT	Special Weather Statement	TOP	Brown	29 min
Jun 30, 10:07 PM CDT	Special Weather Statement	TOP	Clay	23 min
Jun 30, 10:27 PM CDT	Special Weather Statement	TOP	Clay	33 min
Jul 1, 12:41 AM CDT	Special Weather Statement	TOP	Cloud	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.