Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 124, NWS Topeka, KS

November 10, 2012Cloud County, Ottawa County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Nov 10, 2012, 7:21 PM CST for Cloud County, Ottawa County, Kansas. It was in force for 39 min. 3 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
Nov 10, 2012, 7:21 PM CST (01:21 UTC)
Expired
Nov 10, 2012, 8:00 PM CST
In force
39 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Cloud County, KS, Ottawa County, KS

The radar

The Topeka radar (KTWX), 121 km from the middle of the area, began a volume at 01:22 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

TimeReportWhereRemark
Nov 10, 7:25 PM CSTTSTM WND GST 601 Nnw Tescott, KS
Nov 10, 7:43 PM CSTTSTM WND GST 60Minneapolis, KSWITH PEA TO MARBLE SIZED HAIL AND HEAVY RAINFALL.
Nov 10, 7:52 PM CSTTSTM WND GST 58Nne Minneapolis, KSMEASURED BY HOME WEATHER STATION.

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.

IssuedProductOfficeLasted
Nov 10, 3:36 PM CSTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.4 hours before the alert went out and 171 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-pSkew-T log-p diagram, Topeka, KS at 00:00Z on 2012-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 245 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2012-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 313 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
245 J/kg
Mixed-layer CIN
-250 J/kg
Mixed-layer LCL
1233 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
313 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

851 
WUUS53 KTOP 110121
SVRTOP
KSC029-143-110200-
/O.NEW.KTOP.SV.W.0124.121111T0121Z-121111T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
721 PM CST SAT NOV 10 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CLOUD COUNTY IN NORTH CENTRAL KANSAS...
  OTTAWA COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 800 PM CST

* AT 718 PM CST...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM DELPHOS TO 7 MILES NORTH OF BROOKVILLE...AND
  MOVING NORTHEAST AT 50 MPH.

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

  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...
  MINNEAPOLIS...GLASCO...DELPHOS...CULVER...BENNINGTON...WELLS...
  NILES...AURORA AND MILTONVALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3955 9737 3896 9737 3896 9792 3932 9793
TIME...MOT...LOC 0121Z 241DEG 43KT 3928 9782 3890 9781

HAIL...1.00IN
WIND...70 MPH

$$
2 follow-up statements
575 
WWUS53 KTOP 110136
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
736 PM CST SAT NOV 10 2012

KSC029-143-110200-
/O.CON.KTOP.SV.W.0124.000000T0000Z-121111T0200Z/
OTTAWA KS-CLOUD KS-
736 PM CST SAT NOV 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN CLOUD
AND OTTAWA COUNTIES UNTIL 800 PM CST...

AT 734 PM CST...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 8 MILES SOUTHWEST OF AURORA TO BENNINGTON...AND
MOVING NORTHEAST AT 45 MPH.

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

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...
BENNINGTON...WELLS...AURORA...NILES AND MILTONVALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3955 9737 3896 9737 3896 9792 3932 9793
TIME...MOT...LOC 0136Z 241DEG 41KT 3939 9761 3900 9764

HAIL...1.00IN
WIND...70 MPH

$$
546 
WWUS53 KTOP 110149
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
749 PM CST SAT NOV 10 2012

KSC029-143-110200-
/O.CON.KTOP.SV.W.0124.000000T0000Z-121111T0200Z/
OTTAWA KS-CLOUD KS-
749 PM CST SAT NOV 10 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
CLOUD AND OTTAWA COUNTIES UNTIL 800 PM CST...

AT 745 PM CST...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM AURORA TO BENNINGTON...AND MOVING NORTHEAST AT 45
MPH.

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

SOURCE...LAW ENFORCEMENT.

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

LOCATIONS IMPACTED INCLUDE...
MILTONVALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3940 9771 3955 9737 3896 9737 3896 9792
TIME...MOT...LOC 0149Z 241DEG 41KT 3946 9744 3907 9754

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

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 10, 6:58 PM CSTSpecial Weather StatementTOPRepublic32 min
Nov 10, 7:13 PM CSTSpecial Weather StatementTOPCloud, Ottawa47 min
Nov 10, 7:41 PM CSTSpecial Weather StatementTOPWashington34 min
Nov 10, 7:55 PM CSTSevere Thunderstorm WarningTOPClay, Cloud, Dickinson, Ottawa50 min
Nov 10, 8:30 PM CSTSpecial Weather StatementTOPMarshall, Pottawatomie, Riley45 min
Nov 10, 8:47 PM CSTSevere Thunderstorm WarningTOPMarshall, Nemaha43 min
Nov 10, 9:02 PM CSTSevere Thunderstorm WarningTOPDickinson43 min
Nov 10, 9:41 PM CSTSpecial Weather StatementTOPGeary34 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2012Every 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.