Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 7, NWS Topeka, KS

February 28, 20124 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Feb 28, 2012, 9:53 PM CST for 4 counties in Kansas. It was in force for 36 min. 6 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
Feb 28, 2012, 9:53 PM CST (03:53 UTC)
Expired
Feb 28, 2012, 10:29 PM CST
In force
36 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Douglas County, KS, Franklin County, KS, Osage County, KS, Shawnee County, KS

The radar

The Topeka radar (KTWX), 82 km from the middle of the area, began a volume at 03:53 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
Feb 28, 9:53 PM CSTTSTM WND GST 671 Sw Osage City, KS
Feb 28, 9:56 PM CSTTSTM WND GST 60S Lyndon, KS
Feb 28, 10:02 PM CSTHAIL 15 S Overbrook, KSESTIMATED WIND GUSTS TO 50 MPH
Feb 28, 10:05 PM CSTTSTM WND DMG3 Wnw Centropolis, KSDELAYED REPORT OF 2 BARNS AND NUMEROUS OUTBUILDINGS DESTROYED AND VEHICLE DAMAGE NEAR CENTROPOLIS. TIME ESTIMATED FROM RADAR.
Feb 28, 10:08 PM CSTHAIL 0.51 S Globe, KS
Feb 28, 10:11 PM CSTTORNADO3 Se Globe, KSEF0 TORNADO CONFIRMED BY DOUGLAS COUNTY EMERGENCY MANAGEMENT SURVEY AND OTHER PUBLIC REPORTS. PATH OF TORNADO FROM 4 S GLOBE IN NORTHERN FRANKLIN COUNTY...TO 1.5 S WORDEN IN DOUGLAS COUNTY. TIME EST FROM 1006 PM CST TO 1011 PM CST. SEVERAL BARNS WERE DAMAGED O

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
Feb 28, 8:10 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.9 hours before the alert went out and 32 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 2012-02-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2012-02-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 427 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
37 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
482 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
427 m²/s²
0-3 km storm-relative helicity
451 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

417 
WUUS53 KTOP 290353
SVRTOP
KSC045-059-139-177-290445-
/O.NEW.KTOP.SV.W.0007.120229T0353Z-120229T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
953 PM CST TUE FEB 28 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DOUGLAS COUNTY IN EAST CENTRAL KANSAS...
  NORTHERN FRANKLIN COUNTY IN EAST CENTRAL KANSAS...
  OSAGE COUNTY IN EAST CENTRAL KANSAS...
  SOUTHEASTERN SHAWNEE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 1045 PM CST

* AT 949 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 3 MILES SOUTH OF OSAGE CITY...
  MOVING NORTHEAST AT 75 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SCRANTON...
  QUENEMO...
  POMONA LAKE...
  CARBONDALE...
  POMONA...
  OVERBROOK...
  RICHLAND...
  CENTROPOLIS...
  GLOBE...
  CLINTON LAKE...
  CLINTON...
  LONE STAR...
  PLEASANT GROVE...
  BALDWIN CITY...
  VINLAND...
  WELLSVILLE...
  LAWRENCE...
  EUDORA...

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 195 AND 205.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO IS SPOTTED
ACT QUICKLY AND MOVE TO A BASEMENT OR SMALL INTERIOR ROOM.

STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST
SEVERE WEATHER INFORMATION.

&&

LAT...LON 3848 9578 3869 9590 3903 9535 3904 9530
      3903 9529 3905 9528 3905 9520 3904 9518
      3897 9518 3898 9516 3896 9509 3898 9509
      3899 9507 3898 9505 3872 9505
TIME...MOT...LOC 0353Z 239DEG 67KT 3862 9573
WIND...HAIL 60MPH <.75IN

$$

BLAIR
3 follow-up statements
975 
WWUS53 KTOP 290407
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1007 PM CST TUE FEB 28 2012

KSC177-290417-
/O.CAN.KTOP.SV.W.0007.000000T0000Z-120229T0445Z/
SHAWNEE-
1007 PM CST TUE FEB 28 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHAWNEE COUNTY
HAS BEEN CANCELLED...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.

&&

LAT...LON 3872 9505 3856 9559 3895 9549 3903 9535
      3904 9530 3903 9529 3905 9528 3904 9518
      3897 9518 3898 9516 3896 9509 3898 9509
      3899 9507 3898 9505
TIME...MOT...LOC 0407Z 240DEG 65KT 3874 9538

$$

KSC045-059-139-290445-
/O.CON.KTOP.SV.W.0007.000000T0000Z-120229T0445Z/
OSAGE-DOUGLAS-FRANKLIN-
1007 PM CST TUE FEB 28 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CST
FOR NORTHERN FRANKLIN...DOUGLAS AND NORTHEASTERN OSAGE COUNTIES...

AT 1003 PM CST...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES WEST OF
CENTROPOLIS...OR 12 MILES NORTHWEST OF OTTAWA...MOVING NORTHEAST AT
75 MPH.

LOCATIONS IMPACTED INCLUDE...
CLINTON LAKE...CLINTON...LONE STAR...PLEASANT GROVE...BALDWIN CITY...
VINLAND...WELLSVILLE...LAWRENCE...LAWRENCE AIRPORT AND EUDORA.

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 195 AND 205.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO IS SPOTTED
ACT QUICKLY AND MOVE TO A BASEMENT OR SMALL INTERIOR ROOM.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.

&&

LAT...LON 3872 9505 3856 9559 3895 9549 3903 9535
      3904 9530 3903 9529 3905 9528 3904 9518
      3897 9518 3898 9516 3896 9509 3898 9509
      3899 9507 3898 9505
TIME...MOT...LOC 0407Z 240DEG 65KT 3874 9538
WIND...HAIL 60MPH 1.00IN

$$

BLAIR
646 
WWUS53 KTOP 290426
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1026 PM CST TUE FEB 28 2012

KSC059-139-290436-
/O.CAN.KTOP.SV.W.0007.000000T0000Z-120229T0445Z/
OSAGE-FRANKLIN-
1026 PM CST TUE FEB 28 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN FRANKLIN AND
NORTHEASTERN OSAGE COUNTIES HAS BEEN CANCELLED...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.

&&

LAT...LON 3875 9505 3874 9518 3897 9518 3898 9516
      3896 9509 3898 9509 3899 9507 3898 9505
TIME...MOT...LOC 0426Z 240DEG 65KT 3891 9499

$$

KSC045-290445-
/O.CON.KTOP.SV.W.0007.000000T0000Z-120229T0445Z/
DOUGLAS-
1026 PM CST TUE FEB 28 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CST
FOR EASTERN DOUGLAS COUNTY...

AT 1021 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES SOUTH OF EUDORA...
OR 8 MILES NORTHEAST OF BALDWIN CITY...MOVING NORTHEAST AT 70 MPH.

LOCATIONS IMPACTED INCLUDE...
EUDORA AND MAINLY RURAL AREAS OF EASTERN DOUGLAS COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. IF A TORNADO IS SPOTTED
ACT QUICKLY AND MOVE TO A BASEMENT OR SMALL INTERIOR ROOM.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.

&&

LAT...LON 3875 9505 3874 9518 3897 9518 3898 9516
      3896 9509 3898 9509 3899 9507 3898 9505
TIME...MOT...LOC 0426Z 240DEG 65KT 3891 9499
WIND...HAIL 60MPH <.75IN

$$

BLAIR
954 
WWUS53 KTOP 290429
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1029 PM CST TUE FEB 28 2012

KSC045-290439-
/O.CAN.KTOP.SV.W.0007.000000T0000Z-120229T0445Z/
DOUGLAS-
1029 PM CST TUE FEB 28 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN DOUGLAS COUNTY HAS
BEEN CANCELLED...

AT 1029 PM CST...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE AREA...
THUS THE WARNING HAS BEEN CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE 
STILL POSSIBLE FROM OTHER WEAKER THUNDERSTORMS.

A TORNADO WATCH REMAINS IN EFFECT. STAY ALERT TO THE WEATHER.

STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE
LATEST SEVERE WEATHER INFORMATION.

&&

LAT...LON 3875 9505 3874 9518 3897 9518 3898 9516
      3896 9509 3898 9509 3899 9507 3898 9505
TIME...MOT...LOC 0429Z 240DEG 65KT 3893 9492

$$

BLAIR

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 6:04 PM CSTTornado WarningTOPRepublic20 min
Feb 28, 6:50 PM CSTSpecial Weather StatementTOPOttawa25 min
Feb 28, 7:16 PM CSTSevere Thunderstorm WarningTOPClay, Cloud, Washington44 min
Feb 28, 7:41 PM CSTSpecial Weather StatementTOPRepublic34 min
Feb 28, 7:57 PM CSTTornado WarningTOPMorris33 min
Feb 28, 8:11 PM CSTSpecial Weather StatementTOPMarshall34 min
Feb 28, 8:17 PM CSTSpecial Weather StatementTOPWashington28 min
Feb 28, 8:28 PM CSTSevere Thunderstorm WarningTOPLyon, Morris, Wabaunsee47 min
Feb 28, 8:48 PM CSTSpecial Weather StatementTOPMarshall27 min
Feb 28, 9:03 PM CSTSevere Thunderstorm WarningTOPOsage, Shawnee42 min
Feb 28, 9:21 PM CSTSevere Thunderstorm WarningTOPDouglas, Jefferson39 min
Feb 28, 9:58 PM CSTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin47 min
Feb 28, 10:10 PM CSTTornado WarningTOPDouglas14 min
Feb 29, 4:10 AM CSTRed Flag WarningTOPAnderson, Coffey, Dickinson, Lyon, Morris, Ottawa14 hr

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.