Alert archive / Kansas / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 21, NWS Topeka, KS

April 3, 20115 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 3, 2011, 8:14 PM CDT for 5 counties in Kansas. It was in force for 46 min. 15 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
Apr 3, 2011, 8:14 PM CDT (01:14 UTC)
Expired
Apr 3, 2011, 9:00 PM CDT
In force
46 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
70.0 mph

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

The radar

The Pleasant Hill radar (KEAX), 86 km from the middle of the area, began a volume at 01:18 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
Apr 3, 8:23 PM CDTHAIL 1.752 Nw Richland, KS
Apr 3, 8:25 PM CDTHAIL 2Lone Star, KS
Apr 3, 8:26 PM CDTHAIL 19 Se Topeka, KS
Apr 3, 8:32 PM CDTHAIL 12 Nnw Clinton, KS
Apr 3, 8:35 PM CDTHAIL 1.254 Ssw Lecompton, KSSIZES RANGED FROM NICKEL TO HALF DOLLAR SIZE.
Apr 3, 8:35 PM CDTHAIL 1.5Pleasant Grove, KS
Apr 3, 8:39 PM CDTHAIL 13 Ssw Lawrence, KS
Apr 3, 8:40 PM CDTHAIL 1Lawrence, KS6TH AND WAKARUSA
Apr 3, 8:40 PM CDTHAIL 1.75Lawrence, KSAT INTERSECTION OF BOB BILLINGS AND IOWA IN LAWRENCE.
Apr 3, 8:41 PM CDTHAIL 11 W Lawrence, KS
Apr 3, 8:44 PM CDTHAIL 1Baldwin City, KSWEST SIDE OF BALDWIN CITY. RELAYED BY EMERGENCY MANAGEMENT.
Apr 3, 8:45 PM CDTHAIL 15 Nne Lawrence, KSESTIMATED 50 MPH WINDS. HAIL LASTED LESS THAN 5 MINS.
Apr 3, 8:45 PM CDTHAIL 1Eudora, KSRELAYED BY EMERGENCY MANAGEMENT
Apr 3, 8:47 PM CDTHAIL 11 S Eudora, KS
Apr 3, 8:48 PM CDTHAIL 15 Ese Williamstown, 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
Apr 3, 6:21 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.2 hours before the alert went out and 35 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 2011-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1873 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 2011-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 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
1873 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
2220 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.1

Open this sounding in Storm Lab

The text

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

296 
WUUS53 KTOP 040114
SVRTOP
KSC045-059-087-139-177-040200-
/O.NEW.KTOP.SV.W.0021.110404T0114Z-110404T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
814 PM CDT SUN APR 3 2011

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...
  NORTHEASTERN OSAGE COUNTY IN EAST CENTRAL KANSAS...
  SOUTHEASTERN SHAWNEE COUNTY IN EAST CENTRAL KANSAS...
  SOUTHERN JEFFERSON COUNTY IN NORTHEAST KANSAS...

* UNTIL 900 PM CDT

* AT 810 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL...
  AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED
  15 MILES WEST OF RICHLAND...OR 7 MILES NORTHWEST OF CARBONDALE...
  MOVING EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RICHLAND...
  TECUMSEH...
  GRANTVILLE...
  GLOBE...
  CENTROPOLIS...
  CLINTON LAKE...
  CLINTON...
  LONE STAR...
  LECOMPTON...
  PERRY...
  WILLIAMSTOWN...
  PLEASANT GROVE...
  LAWRENCE...
  BALDWIN CITY...
  VINLAND...
  MCLOUTH...
  WELLSVILLE...
  EUDORA...

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 183 AND 206.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE
HALF DOLLAR SIZE HAIL...AND SHELTER INSIDE A STRONG BUILDING AWAY
FROM WINDOWS.

AT 806 PM CDT...HAIL UP TO HALF DOLLARS HAS BEEN REPORTED NEAR 
BURLINGAME WITH THIS STORM. IF YOU ARE IN THE PATH OF THE 
STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY.

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

&&

LAT...LON 3866 9551 3912 9564 3921 9517 3912 9517
      3912 9518 3897 9518 3897 9509 3898 9507
      3897 9505 3871 9505
TIME...MOT...LOC 0112Z 259DEG 52KT 3888 9574
WIND...HAIL 70MPH 1.25IN

$$
3 follow-up statements
567 
WWUS53 KTOP 040127
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
827 PM CDT SUN APR 3 2011

KSC045-059-087-139-177-040200-
/O.CON.KTOP.SV.W.0021.000000T0000Z-110404T0200Z/
JEFFERSON-SHAWNEE-DOUGLAS-OSAGE-FRANKLIN-
827 PM CDT SUN APR 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHERN FRANKLIN...NORTHEASTERN OSAGE...DOUGLAS...SOUTHEASTERN
SHAWNEE AND SOUTHERN JEFFERSON COUNTIES...

AT 822 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 RICHLAND...OR 9 MILES
NORTHEAST OF CARBONDALE...MOVING EAST AT 60 MPH.

LOCATIONS IMPACTED INCLUDE...
GLOBE...CENTROPOLIS...CLINTON LAKE...CLINTON...LONE STAR...
LECOMPTON...PERRY...WILLIAMSTOWN...PLEASANT GROVE...LAWRENCE...
BALDWIN CITY...VINLAND...LAWRENCE AIRPORT...MCLOUTH...WELLSVILLE AND
EUDORA.

AT 824 PM...PING PONG TO GOLFBALL SIZE HAIL WAS REPORTED 2 MILES 
NORTHWEST OF RICHLAND AND NEAR 89TH AND PAULEN ROAD BY TRAINED 
SPOTTERS. 

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 183 AND 206.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. FOR YOUR SAFETY...TAKE COVER INSIDE A STRONG
BUILDING.

&&

LAT...LON 3866 9551 3912 9564 3921 9517 3912 9517
      3912 9518 3897 9518 3897 9509 3898 9507
      3897 9505 3871 9505
TIME...MOT...LOC 0125Z 259DEG 52KT 3891 9550
WIND...HAIL 60MPH 1.75IN

$$
451 
WWUS53 KTOP 040143
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
843 PM CDT SUN APR 3 2011

KSC045-059-087-139-177-040200-
/O.CON.KTOP.SV.W.0021.000000T0000Z-110404T0200Z/
JEFFERSON-SHAWNEE-DOUGLAS-OSAGE-FRANKLIN-
843 PM CDT SUN APR 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR NORTHERN FRANKLIN...NORTHEASTERN OSAGE...DOUGLAS...EXTREME
SOUTHEASTERN SHAWNEE AND SOUTHEASTERN JEFFERSON COUNTIES...

AT 840 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HEN EGG SIZE 
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS LOCATED 
FROM LAWRENCE TO NEAR PLEASANT GROVE...MOVING EAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE...
EAST LAWRENCE...VINLAND...LAWRENCE AIRPORT...WELLSVILLE AND EUDORA.

AT 825 PM...2 INCH HAIL WAS REPORTED IN LONE STAR. 

AT 840 PM GOLFBALL SIZE HAIL WAS REPORTED AT BOB BILLINGS AND IOWA 
STREET BY EMERGENCY MANAGEMENT.

THIS INCLUDES THE KANSAS TURNPIKE BETWEEN MILE MARKERS 192 AND 206.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. FOR YOUR SAFETY...TAKE COVER INSIDE A STRONG
BUILDING.

&&

LAT...LON 3866 9551 3881 9555 3897 9553 3912 9518
      3912 9517 3912 9518 3897 9518 3897 9509
      3898 9507 3897 9505 3871 9505
TIME...MOT...LOC 0139Z 257DEG 48KT 3889 9525
WIND...HAIL 60MPH 2.00IN

$$
207 
WWUS53 KTOP 040157
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
857 PM CDT SUN APR 3 2011

KSC045-059-087-139-177-040206-
/O.EXP.KTOP.SV.W.0021.000000T0000Z-110404T0200Z/
JEFFERSON-SHAWNEE-DOUGLAS-OSAGE-FRANKLIN-
857 PM CDT SUN APR 3 2011

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN FRANKLIN...
NORTHEASTERN OSAGE...DOUGLAS...EXTREME SOUTHEASTERN SHAWNEE AND
SOUTHEASTERN JEFFERSON COUNTIES WILL EXPIRE AT 900 PM CDT...

AT 856 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE AREA...
THUS THE WARNING WILL EXPIRE AT 900 PM CDT.

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE 
STILL POSSIBLE FROM ANOTHER LINE OF THUNDERSTORMS ACROSS SOUTHERN 
DOUGLAS COUNTY.

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 3866 9551 3881 9555 3897 9553 3912 9518
      3912 9517 3912 9518 3897 9518 3897 9509
      3898 9507 3897 9505 3871 9505
TIME...MOT...LOC 0156Z 257DEG 48KT 3894 9497

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 7:06 PM CDTSevere Thunderstorm WarningTOPDickinson, Geary, Jackson, Morris, Pottawatomie, Riley and 2 more39 min
Apr 3, 7:37 PM CDTSevere Thunderstorm WarningTOPMorris38 min
Apr 3, 7:43 PM CDTSevere Thunderstorm WarningTOPLyon, Morris, Osage, Shawnee, Wabaunsee47 min
Apr 3, 8:11 PM CDTSevere Thunderstorm WarningTOPLyon, Morris, Wabaunsee49 min
Apr 3, 8:20 PM CDTSevere Thunderstorm WarningTOPLyon, Osage40 min
Apr 3, 8:38 PM CDTSevere Thunderstorm WarningTOPLyon52 min
Apr 3, 8:55 PM CDTSevere Thunderstorm WarningTOPFranklin, Osage35 min
Apr 3, 8:57 PM CDTSevere Thunderstorm WarningTOPCoffey, Lyon, Osage48 min
Apr 3, 9:17 PM CDTSevere Thunderstorm WarningTOPAnderson, Coffey, Franklin, Osage43 min
Apr 3, 9:39 PM CDTSevere Thunderstorm WarningTOPCoffey51 min
Apr 3, 10:05 PM CDTSevere Thunderstorm WarningTOPAnderson40 min
Apr 4, 3:36 AM CDTWind AdvisoryTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more12 hr
Apr 4, 3:29 PM CDTRed Flag WarningTOPAnderson, Brown, Clay, Cloud, Coffey, Dickinson and 17 more28 hr

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.