Alert archive / Kansas / Tornado Warnings in 2012

Tornado Warning 6, NWS Topeka, KS

March 28, 2012Osage County, Kansas

NWS Topeka, KS issued this tornado warning at Mar 28, 2012, 6:57 PM CDT for Osage County, Kansas. It was in force for 25 min. 7 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
Mar 28, 2012, 6:57 PM CDT (23:57 UTC)
Expired
Mar 28, 2012, 7:22 PM CDT
In force
25 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon

County Osage County, KS

The radar

The Topeka radar (KTWX), 53 km from the middle of the area, began a volume at 23:57 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
Mar 28, 6:57 PM CDTFUNNEL CLOUD5 S Carbondale, KSCONE FUNNEL SOUTH OF CARBONDALE
Mar 28, 6:57 PM CDTHAIL 2.751 S Carbondale, KSDELAYED REPORT FROM SEVERE HAIL VERIFICATION EXPERIMENT - SHAVE.
Mar 28, 6:57 PM CDTHAIL 31 S Carbondale, KSDELAYED REPORT FROM SEVERE HAIL VERIFICATION EXPERIMENT - SHAVE
Mar 28, 7:00 PM CDTHAIL 21 Ssw Carbondale, KSDELAYED REPORT FROM THE SEVERE HAZARDS ANALYSIS AND VERIFICATION EXPERIMENT...SHAVE
Mar 28, 7:01 PM CDTHAIL 1.755 W Overbrook, KS
Mar 28, 7:06 PM CDTHAIL 1Carbondale, KS
Mar 28, 7:07 PM CDTHAIL 0.884 Se Carbondale, KS

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
Mar 28, 5:48 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 12.0 hours before the alert went out and 21 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 12:00Z on 2012-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 619 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 12:00Z on 2012-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.193958Sfc1 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
619 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

201 
WFUS53 KTOP 282357
TORTOP
KSC139-290030-
/O.NEW.KTOP.TO.W.0006.120328T2357Z-120329T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
657 PM CDT WED MAR 28 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL OSAGE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 730 PM CDT

* AT 652 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION CAPABLE OF PRODUCING A
  TORNADO.  THIS SEVERE STORM WAS LOCATED NEAR CARBONDALE...MOVING
  NORTHEAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CARBONDALE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW!

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

&&

LAT...LON 3886 9569 3883 9559 3879 9561 3874 9568
      3881 9576
TIME...MOT...LOC 2358Z 232DEG 9KT 3879 9569
HAIL 1.75IN

$$

BLAIR
2 follow-up statements
356 
WWUS53 KTOP 290012
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
712 PM CDT WED MAR 28 2012

KSC139-290030-
/O.CON.KTOP.TO.W.0006.000000T0000Z-120329T0030Z/
OSAGE-
712 PM CDT WED MAR 28 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR NORTH
CENTRAL OSAGE COUNTY...

AT 707 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION CAPABLE OF
PRODUCING A TORNADO.  THIS STORM WAS LOCATED NEAR CARBONDALE...MOVING
NORTHEAST AT 10 MPH.

SEVERAL SIGHTINGS OF FUNNEL CLOUDS BY TRAINED SPOTTERS HAVE BEEN 
REPORTED WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CARBONDALE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW!

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

&&

LAT...LON 3878 9570 3883 9573 3886 9569 3883 9559
      3879 9561 3876 9565
TIME...MOT...LOC 0011Z 232DEG 9KT 3881 9566
HAIL 2.00IN

$$

BLAIR
120 
WWUS53 KTOP 290022
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
722 PM CDT WED MAR 28 2012

KSC139-290030-
/O.CAN.KTOP.TO.W.0006.000000T0000Z-120329T0030Z/
OSAGE-
722 PM CDT WED MAR 28 2012

...THE TORNADO WARNING FOR NORTH CENTRAL OSAGE COUNTY HAS BEEN
CANCELLED...

AT 720 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM WITH THE POSSIBLE TORNADO HAD WEAKENED AND NO 
LONGER APPEARED CAPABLE OF PRODUCING TORNADOES...THUS THE WARNING 
HAS BEEN CANCELLED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM 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 3878 9570 3883 9573 3886 9569 3883 9559
      3879 9561 3876 9565
TIME...MOT...LOC 0020Z 232DEG 9KT 3882 9564

$$

BLAIR

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 4:56 PM CDTSpecial Weather StatementTOPWabaunsee34 min
Mar 28, 5:00 PM CDTSevere Thunderstorm WarningTOPOsage, Wabaunsee30 min
Mar 28, 5:24 PM CDTSevere Thunderstorm WarningTOPOsage, Shawnee36 min
Mar 28, 5:59 PM CDTSevere Thunderstorm WarningTOPOsage, Shawnee46 min
Mar 28, 6:42 PM CDTSevere Thunderstorm WarningTOPOsage, Shawnee48 min
Mar 28, 6:48 PM CDTSevere Thunderstorm WarningTOPLyon42 min
Mar 28, 6:49 PM CDTSevere Thunderstorm WarningTOPLyon, Morris41 min

Nearby

Tornado Warnings in Kansas, 2012Every tornado warning in 2012Tornadoes 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.