Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 3, NWS Topeka, KS

February 27, 2011Anderson County, Franklin County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Feb 27, 2011, 3:20 PM CST for Anderson County, Franklin County, Kansas. It was in force for 25 min. 5 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 27, 2011, 3:20 PM CST (21:20 UTC)
Expired
Feb 27, 2011, 3:45 PM CST
In force
25 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Anderson County, KS, Franklin County, KS

The radar

The Pleasant Hill radar (KEAX), 91 km from the middle of the area, began a volume at 21:20 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 27, 3:22 PM CSTHAIL 1.5Richmond, KS
Feb 27, 3:22 PM CSTHAIL 1.752 E Richmond, KS
Feb 27, 3:22 PM CSTHAIL 1.75Ssw Richmond, KS
Feb 27, 3:33 PM CSTHAIL 1.75Lane, KS
Feb 27, 3:33 PM CSTHAIL 1.75Lane, KSMEASURED 1.875 INCH HAIL MEASURED APPROXIMATELY 2 HOURS AFTER THE HAIL FELL. DAMAGE TO CARS AND HOME ROOFS.

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 27, 1:12 PM CSTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 9.3 hours before the alert went out and 83 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 2011-02-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2011-02-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 505 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
382 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
505 m²/s²
0-3 km storm-relative helicity
498 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.

296 
WUUS53 KTOP 272120
SVRTOP
KSC003-059-272145-
/O.NEW.KTOP.SV.W.0003.110227T2120Z-110227T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
320 PM CST SUN FEB 27 2011

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN ANDERSON COUNTY IN EAST CENTRAL KANSAS...
  SOUTHEASTERN FRANKLIN COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 345 PM CST

* AT 316 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 5 MILES SOUTHWEST OF RICHMOND...OR 5 MILES
  NORTHWEST OF GARNETT...MOVING NORTHEAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GREELEY...
  LANE...
  RANTOUL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE FOR LARGE HAIL AS WELL
AS DEADLY CLOUD TO GROUND LIGHTNING.

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

&&

LAT...LON 3824 9512 3837 9535 3863 9506 3832 9505
TIME...MOT...LOC 2120Z 224DEG 57KT 3838 9524
WIND...HAIL <50MPH 1.00IN

$$
2 follow-up statements
444 
WWUS53 KTOP 272130
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
330 PM CST SUN FEB 27 2011

KSC003-272140-
/O.CAN.KTOP.SV.W.0003.000000T0000Z-110227T2145Z/
ANDERSON-
330 PM CST SUN FEB 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ANDERSON COUNTY
HAS BEEN CANCELLED...

THE STORM HAS MOVED OUT OF THE COUNTY.

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

LAT...LON 3839 9513 3845 9526 3863 9506 3846 9505
      3839 9506
TIME...MOT...LOC 2130Z 224DEG 57KT 3849 9510

$$

KSC059-272145-
/O.CON.KTOP.SV.W.0003.000000T0000Z-110227T2145Z/
FRANKLIN-
330 PM CST SUN FEB 27 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CST
FOR SOUTHEASTERN FRANKLIN COUNTY...

AT 325 PM CST...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE. 
THIS STORM WAS LOCATED 5 MILES WEST OF LANE...OR 11 MILES NORTH OF
GARNETT...MOVING NORTHEAST AT 65 MPH.

LOCATIONS IMPACTED INCLUDE...
LANE...RANTOUL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR GOLF BALL SIZE
HAIL...AND SHELTER INSIDE A STRONG BUILDING AWAY FROM WINDOWS.

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

&&

LAT...LON 3839 9513 3845 9526 3863 9506 3846 9505
      3839 9506
TIME...MOT...LOC 2130Z 224DEG 57KT 3849 9510
WIND...HAIL <50MPH 1.75IN

$$
683 
WWUS53 KTOP 272136
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
336 PM CST SUN FEB 27 2011

KSC059-272146-
/O.EXP.KTOP.SV.W.0003.000000T0000Z-110227T2145Z/
FRANKLIN-
336 PM CST SUN FEB 27 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN FRANKLIN COUNTY
WILL EXPIRE AT 345 PM CST...

AT 336 PM CST...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE AREA...
THUS THE WARNING WILL EXPIRE AT 345 PM CST.

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 3839 9513 3845 9526 3863 9506 3846 9505
      3839 9506
TIME...MOT...LOC 2136Z 224DEG 57KT 3856 9501

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 26, 9:30 PM CSTDense Fog AdvisoryTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more19 hr
Feb 27, 2:32 PM CSTSevere Thunderstorm WarningTOPLyon, Osage28 min
Feb 27, 3:07 PM CSTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin, Osage23 min
Feb 27, 3:54 PM CSTAreal Flood AdvisoryTOPAnderson, Coffey, Douglas, Franklin, Jefferson, Osage111 min
Feb 27, 4:04 PM CSTFlash Flood WarningTOPDouglas, Franklin116 min
Feb 27, 5:20 PM CSTSpecial Weather StatementTOPWabaunsee25 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2011Every severe thunderstorm warning in 2011

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.