Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 50, NWS Topeka, KS

April 27, 2012Geary County, Morris County, Wabaunsee County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 27, 2012, 5:40 PM CDT for Geary County, Morris County, Wabaunsee 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 27, 2012, 5:40 PM CDT (22:40 UTC)
Expired: Apr 27, 2012, 6:30 PM CDT
In force: 50 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Geary County, KS, Morris County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 23 km from the middle of the area, began a volume at 22:42 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 27, 5:42 PM CDT	HAIL 1	2 Sw Dwight, KS
Apr 27, 5:47 PM CDT	HAIL 0.75	Dwight, KS
Apr 27, 5:59 PM CDT	TORNADO	7 Nne Council Grove, KS	DELAYED REPORT. MULTIPLE STORM CHASERS REPORTED A BRIEF 30 SECOND TOUCHDOWN IN NORTHERN MORRIS COUNTY. NO DAMAGE FROM THIS TORNADO HAS BEEN REPORTED.
Apr 27, 6:00 PM CDT	FUNNEL CLOUD	6 Nne Council Grove, KS	FUNNEL, POSSIBLE TORNADO.

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 27, 2:11 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.7 hours before the alert went out and 68 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1420 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 272 m²/s²
0-3 km storm-relative helicity: 417 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.

025 
WUUS53 KTOP 272240
SVRTOP
KSC061-127-197-272330-
/O.NEW.KTOP.SV.W.0050.120427T2240Z-120427T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
540 PM CDT FRI APR 27 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN GEARY COUNTY IN EAST CENTRAL KANSAS...
  NORTHEASTERN MORRIS COUNTY IN EAST CENTRAL KANSAS...
  WABAUNSEE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 630 PM CDT

* AT 538 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COUNCIL
  GROVE...AND MOVING NORTHEAST AT 40 MPH.

  HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  COUNCIL GROVE...ALMA...DWIGHT...ALTA 
VISTA...VOLLAND...MCFARLAND...PAXICO AND MAPLE   HILL.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 327 AND 344.

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 3870 9675 3905 9653 3904 9639 3906 9639
      3909 9595 3875 9625 3873 9627 3874 9635
      3867 9635 3862 9642
TIME...MOT...LOC 2240Z 212DEG 36KT 3869 9647

HAIL...1.50IN
WIND...60 MPH

$$

BLAIR

2 follow-up statements

500 
WWUS53 KTOP 272254
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
554 PM CDT FRI APR 27 2012

KSC061-127-197-272330-
/O.CON.KTOP.SV.W.0050.000000T0000Z-120427T2330Z/
MORRIS KS-GEARY KS-WABAUNSEE KS-
554 PM CDT FRI APR 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WABAUNSEE...
SOUTHEASTERN GEARY AND NORTHEASTERN MORRIS COUNTIES UNTIL 630 PM
CDT...

AT 552 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHEAST
OF ALTA VISTA...AND MOVING NORTHEAST AT 40 MPH.

HAZARD...HALF DOLLAR 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...
ALMA...VOLLAND...MCFARLAND AND PAXICO.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 327 AND 344.

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 3874 9635 3881 9665 3905 9653 3904 9639
      3906 9639 3909 9595 3873 9627
TIME...MOT...LOC 2254Z 212DEG 36KT 3881 9637

HAIL...1.25IN
WIND...60 MPH

$$

BLAIR

592 
WWUS53 KTOP 272308
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
608 PM CDT FRI APR 27 2012

KSC061-127-272318-
/O.CAN.KTOP.SV.W.0050.000000T0000Z-120427T2330Z/
MORRIS KS-GEARY KS-
608 PM CDT FRI APR 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GEARY AND
NORTHEASTERN MORRIS COUNTIES IS CANCELLED...

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

LAT...LON 3882 9633 3883 9639 3883 9646 3904 9639
      3906 9639 3909 9595 3881 9620
TIME...MOT...LOC 2308Z 212DEG 36KT 3893 9627

$$

KSC197-272330-
/O.CON.KTOP.SV.W.0050.000000T0000Z-120427T2330Z/
WABAUNSEE KS-
608 PM CDT FRI APR 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
WABAUNSEE COUNTY UNTIL 630 PM CDT...

AT 606 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES EAST OF
VOLLAND...AND MOVING NORTHEAST AT 40 MPH.

HAZARD...HALF DOLLAR 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...
ALMA...MCFARLAND AND PAXICO.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 327 AND 344.

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 3882 9633 3883 9639 3883 9646 3904 9639
      3906 9639 3909 9595 3881 9620
TIME...MOT...LOC 2308Z 212DEG 36KT 3893 9627

HAIL...1.25IN
WIND...60 MPH

$$

BLAIR

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 4:55 AM CDT	Special Weather Statement	TOP	Douglas	35 min
Apr 27, 10:39 AM CDT	Special Weather Statement	TOP	Shawnee	36 min
Apr 27, 3:44 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic	46 min
Apr 27, 4:06 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Ottawa	39 min
Apr 27, 4:09 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Ottawa	42 min
Apr 27, 4:23 PM CDT	Tornado Warning	TOP	Cloud	37 min
Apr 27, 4:47 PM CDT	Severe Thunderstorm Warning	TOP	Clay	21 min
Apr 27, 4:49 PM CDT	Severe Thunderstorm Warning	TOP	Dickinson, Geary	56 min
Apr 27, 4:53 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Republic, Washington	17 min
Apr 27, 5:16 PM CDT	Tornado Warning	TOP	Clay, Cloud, Washington	29 min
Apr 27, 5:29 PM CDT	Severe Thunderstorm Warning	TOP	Geary, Riley	18 min
Apr 27, 5:56 PM CDT	Special Weather Statement	TOP	Riley	34 min
Apr 27, 6:27 PM CDT	Severe Thunderstorm Warning	TOP	Lyon, Osage, Shawnee, Wabaunsee	33 min
Apr 27, 6:47 PM CDT	Severe Thunderstorm Warning	TOP	Jefferson, Shawnee	43 min
Apr 27, 6:51 PM CDT	Tornado Warning	TOP	Osage, Shawnee	24 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.