Alert archive / Kansas / Tornado Warnings in 2011

Tornado Warning 5, NWS Topeka, KS

April 14, 2011Clay County, Dickinson County, Kansas

NWS Topeka, KS issued this tornado warning at Apr 14, 2011, 5:58 PM CDT for Clay County, Dickinson County, Kansas. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 14, 2011, 5:58 PM CDT (22:58 UTC)
Expired
Apr 14, 2011, 6:30 PM CDT
In force
32 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon

Counties Clay County, KS, Dickinson County, KS

The radar

The Topeka radar (KTWX), 92 km from the middle of the area, began a volume at 22:58 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 14, 2:10 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KFOE), launched 12:00Z, 11.0 hours before the alert went out and 141 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 2011-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2011-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1539 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
97 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.

602 
WFUS53 KTOP 142258
TORTOP
KSC027-041-142330-
/O.NEW.KTOP.TO.W.0005.110414T2258Z-110414T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
558 PM CDT THU APR 14 2011

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL DICKINSON COUNTY IN CENTRAL KANSAS...
  CENTRAL CLAY COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 630 PM CDT

* AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION CAPABLE OF PRODUCING A
  TORNADO.  THIS SEVERE STORM WAS LOCATED 21 MILES SOUTH OF IDANA...
  OR 10 MILES NORTH OF ABILENE...MOVING NORTH AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  IDANA...
  CLAY CENTER...

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 3938 9733 3938 9711 3908 9715 3909 9730
TIME...MOT...LOC 2258Z 182DEG 36KT 3911 9724
HAIL 1.25IN

$$

LEIGHTON
2 follow-up statements
139 
WWUS53 KTOP 142307
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
607 PM CDT THU APR 14 2011

KSC041-142317-
/O.CAN.KTOP.TO.W.0005.000000T0000Z-110414T2330Z/
DICKINSON-
607 PM CDT THU APR 14 2011

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

THE SEVERE THUNDERSTORM WITH THE POSSIBLE TORNADO HAS MOVED NORTH OF 
THE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3912 9728 3938 9733 3938 9711 3912 9714
TIME...MOT...LOC 2307Z 192DEG 41KT 3921 9719

$$

KSC027-142330-
/O.CON.KTOP.TO.W.0005.000000T0000Z-110414T2330Z/
CLAY-
607 PM CDT THU APR 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR CENTRAL
CLAY COUNTY...

AT 603 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 13 MILES SOUTH OF
IDANA...OR 15 MILES SOUTH OF CLAY CENTER...MOVING NORTH AT 45 MPH.

LOCATIONS IMPACTED INCLUDE...
IDANA AND CLAY CENTER.

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 3912 9728 3938 9733 3938 9711 3912 9714
TIME...MOT...LOC 2307Z 192DEG 41KT 3921 9719
HAIL 1.00IN

$$

LEIGHTON
336 
WWUS53 KTOP 142328
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
628 PM CDT THU APR 14 2011

KSC027-142337-
/O.EXP.KTOP.TO.W.0005.000000T0000Z-110414T2330Z/
CLAY-
628 PM CDT THU APR 14 2011

...THE TORNADO WARNING FOR CENTRAL CLAY COUNTY WILL EXPIRE AT 630 PM
CDT...

AT 627 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE 
STORM WHICH HAD PROMPTED THE TORNADO WARNING FOR SOUTHERN CLAY 
COUNTY HAS EXITED THE WARNED AREA...THUS THE WARNING HAS BEEN 
ALLOWED TO EXPIRE.

A TORNADO WARNING REMAINED IN EFFECT FOR NORTH CENTRAL CLAY COUNTY 
UNTIL 645 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3912 9728 3938 9733 3938 9711 3912 9714
TIME...MOT...LOC 2327Z 192DEG 41KT 3943 9713

$$

LEIGHTON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 2:07 PM CDTSevere Thunderstorm WarningTOPCloud, Republic53 min
Apr 14, 2:43 PM CDTSpecial Weather StatementTOPWashington32 min
Apr 14, 5:11 PM CDTSevere Thunderstorm WarningTOPDickinson34 min
Apr 14, 5:33 PM CDTTornado WarningTOPClay, Dickinson, Ottawa27 min
Apr 14, 5:34 PM CDTTornado WarningTOPCloud, Ottawa26 min
Apr 14, 5:47 PM CDTSevere Thunderstorm WarningTOPGeary, Morris28 min
Apr 14, 6:03 PM CDTSevere Thunderstorm WarningTOPClay, Dickinson, Geary, Riley42 min
Apr 14, 6:09 PM CDTSevere Thunderstorm WarningTOPMorris, Wabaunsee36 min
Apr 14, 6:14 PM CDTSevere Thunderstorm WarningTOPLyon46 min
Apr 14, 6:21 PM CDTTornado WarningTOPClay, Washington24 min
Apr 14, 6:43 PM CDTTornado WarningTOPWashington32 min

Nearby

Tornado Warnings in Kansas, 2011Every tornado warning in 2011Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.