Alert archive / Kansas / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 13, NWS Topeka, KS

March 28, 2012Osage County, Shawnee County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Mar 28, 2012, 5:59 PM CDT for Osage County, Shawnee County, Kansas. It was in force for 46 min. 12 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, 5:59 PM CDT (22:59 UTC)
Expired
Mar 28, 2012, 6:45 PM CDT
In force
46 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Osage County, KS, Shawnee County, KS

The radar

The Topeka radar (KTWX), 54 km from the middle of the area, began a volume at 23:03 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, 6:04 PM CDTHAIL 12 Wnw Carbondale, KS
Mar 28, 6:20 PM CDTHAIL 25 Sse Scranton, KS
Mar 28, 6:22 PM CDTHAIL 1.253 E Burlingame, KS
Mar 28, 6:28 PM CDTHAIL 23 E Burlingame, KSNUMEROUS 2 TO 2.25 INCH HAIL STONES REPORTED.
Mar 28, 6:33 PM CDTHAIL 1Scranton, KSHAIL COVERING GROUND
Mar 28, 6:33 PM CDTHAIL 1.253 Se Scranton, KS
Mar 28, 6:33 PM CDTHAIL 1.754 S Carbondale, KS
Mar 28, 6:36 PM CDTHAIL 1.754 Sw Carbondale, KS
Mar 28, 6:45 PM CDTHAIL 2.5Scranton, KSHAIL ESTIMATED AT 2.5 INCHES FROM FACEBOOK STORM REPORT IMAGE.
Mar 28, 6:47 PM CDTHAIL 22 Se Scranton, KSDELAYED REPORT FROM THE SEVERE HAZARDS ANALYSIS AND VERIFICATION EXPERIMENT...SHAVE
Mar 28, 6:54 PM CDTHAIL 1.753 Ssw Carbondale, KS
Mar 28, 6:55 PM CDTHAIL 2.52 Se Carbondale, KSDELAYED REPORT.

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, 11.0 hours before the alert went out and 16 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.

767 
WUUS53 KTOP 282259
SVRTOP
KSC139-177-282345-
/O.NEW.KTOP.SV.W.0013.120328T2259Z-120328T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
559 PM CDT WED MAR 28 2012

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN OSAGE COUNTY IN EAST CENTRAL KANSAS...
  SOUTHEASTERN SHAWNEE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 645 PM CDT

* AT 558 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
  THUNDERSTORM PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR CARBONDALE...MOVING
  EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CARBONDALE...
  BERRYTON...
  OVERBROOK...
  RICHLAND...

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 167 AND 171.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE FOR LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN IF YOU
ARE IN THE PATH OF THIS STORM. FOR YOUR SAFETY...TAKE COVER INSIDE A
BUILDING NOW.

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

&&

LAT...LON 3895 9560 3893 9550 3871 9550 3869 9581
      3892 9583
TIME...MOT...LOC 2259Z 251DEG 15KT 3884 9573
WIND...HAIL 60MPH 1.75IN

$$

BLAIR
1 follow-up statement
379 
WWUS53 KTOP 282320
SVSTOP

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

KSC177-282330-
/O.CAN.KTOP.SV.W.0013.000000T0000Z-120328T2345Z/
SHAWNEE-
620 PM CDT WED MAR 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 3887 9565 3887 9550 3871 9550 3869 9581
      3883 9582 3887 9573
TIME...MOT...LOC 2320Z 248DEG 13KT 3873 9573

$$

KSC139-282345-
/O.CON.KTOP.SV.W.0013.000000T0000Z-120328T2345Z/
OSAGE-
620 PM CDT WED MAR 28 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR NORTHEASTERN OSAGE COUNTY...

AT 618 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING HEN EGG SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 4 MILES SOUTH OF
SCRANTON...OR 7 MILES SOUTH OF CARBONDALE...MOVING EAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
SCRANTON...CARBONDALE AND OVERBROOK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE FOR LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN IF YOU
ARE IN THE PATH OF THIS STORM. FOR YOUR SAFETY...TAKE COVER INSIDE A
BUILDING NOW.

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

&&

LAT...LON 3887 9565 3887 9550 3871 9550 3869 9581
      3883 9582 3887 9573
TIME...MOT...LOC 2320Z 248DEG 13KT 3873 9573
WIND...HAIL 60MPH 2.00IN

$$

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, 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
Mar 28, 6:57 PM CDTTornado WarningTOPOsage25 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.