Alert archive / Kansas / Tornado Warnings in 2007

Tornado Warning 14, NWS Topeka, KS

May 1, 2007Wabaunsee County, Kansas

NWS Topeka, KS issued this tornado warning at May 1, 2007, 1:58 PM CDT for Wabaunsee 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
May 1, 2007, 1:58 PM CDT (18:58 UTC)
Expired
May 1, 2007, 2:30 PM CDT
In force
32 min
Issued by
NWS Topeka, KS
Area
Counties, with a storm outline in the text

County Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 4 km from the middle of the area, began a volume at 19:01 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 nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 7.0 hours before the alert went out and 54 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 2007-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 36 joules per kilogram.LCLLFCEL10008507005003002001001 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 2007-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939Sfc1 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
36 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
1175 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
21 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.

000 
WFUS53 KTOP 011901
TORTOP
KSC197-011930-
/O.NEW.KTOP.TO.W.0014.070501T1858Z-070501T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
158 PM CDT TUE MAY 1 2007

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL AND WEST CENTRAL WABAUNSEE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 230 PM CDT

* AT 155 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO 3 
MILES SOUTH OF INTERSTATE 70 NEAR ALMA...OR ABOUT 18 MILES SOUTHEAST 
OF MANHATTAN. THE STORM WAS MOVING WEST AT 10 MPH.  THIS TORNADO WAS 
NEAR A LINE OF THUNDERSTORMS FROM NEAR ALMA TO NORTH OF ALTA VISTA.  
MORE FUNNELS AND TORNADOES ARE POSSIBLE BENEATH THIS LINE OF SHOWERS 
AND STORMS.

* LOCATIONS IMPACTED INCLUDE...
  ALMA...
  VOLLAND...
  ALTA VISTA...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 328 AND 337.

IF A TORNADO APPROACHES...GO TO A BASEMENT OR SEEK SHELTER IN A
HALLWAY OR CLOSET ON THE LOWEST FLOOR OF THE BUILDING. USE BLANKETS
OR PILLOWS TO COVER YOUR HEAD AND ALWAYS STAY AWAY FROM WINDOWS.

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

LAT...LON 3895 9612 3911 9612 3899 9649 3884 9649

$$
2 follow-up statements
000 
WWUS53 KTOP 011919
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
216 PM CDT TUE MAY 1 2007

KSC197-011930-
/O.CON.KTOP.TO.W.0014.000000T0000Z-070501T1930Z/
WABAUNSEE-
216 PM CDT TUE MAY 1 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR CENTRAL 
WABAUNSEE AND WEST CENTRAL WABAUNSEE COUNTY...

AT 216 PM CDT...NO RECENT REPORTS OF TORNADOES OR FUNNELS HAVE BEEN 
RECEIVED FROM WABAUNSEE COUNTY.  HOWEVER...A LINE OF SHOWERS AND 
STORMS EXTENDED FROM SOUTH OF ALMA TO NORTH OF ALTA VISTA.  THESE 
STORMS WERE FORMING ALONG ALONG A FRONT IN THE AREA AND IT IS 
POSSIBLE MORE FUNNELS OR TORNADOES COULD DROP FROM CLOUDS IN CENTRAL 
AND WEST CENTRAL WABAUNSEE COUNTY.  

LOCATIONS IMPACTED INCLUDE...
VOLLAND AND RURAL AREAS OF CENTRAL AND WEST CENTRAL WABAUNSEE COUNTY.

IF A TORNADO APPROACHES...GO TO A BASEMENT OR SEEK SHELTER IN A
HALLWAY OR CLOSET ON THE LOWEST FLOOR OF THE BUILDING. USE BLANKETS
OR PILLOWS TO COVER YOUR HEAD AND ALWAYS STAY AWAY FROM WINDOWS.

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

LAT...LON 3895 9612 3911 9612 3899 9649 3884 9649

$$
000 
WWUS53 KTOP 011930
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
227 PM CDT TUE MAY 1 2007

KSC197-011937-
/O.EXP.KTOP.TO.W.0014.000000T0000Z-070501T1930Z/
WABAUNSEE-
227 PM CDT TUE MAY 1 2007

...THE TORNADO WARNING FOR CENTRAL AND WEST CENTRAL WABAUNSEE COUNTY 
WILL EXPIRE AT 230 PM CDT...

AT 227 PM CDT...NO RECENT REPORTS OF FUNNEL CLOUDS OR TORNADOES HAVE 
BEEN RECEIVED FROM WABAUNSEE COUNTY...THUS THE WARNING HAS BEEN 
ALLOWED TO EXPIRE.  WITH A FRONT IN THE AREA AND CONTINUED 
DEVELOPMENT OF SHOWERS AND THUNDERSTORMS...IT IS POSSIBLE THAT MORE 
FUNNELS COULD DEVELOP THIS AFTERNOON.  IF YOU SEE A FUNNEL CLOUD OR 
TORNADO...RELAY YOUR REPORT TO THE NEAREST LAW ENFORCEMENT AGENCY.

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

LAT...LON 3895 9612 3911 9612 3899 9649 3884 9649

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 9:00 AM CDTFlash Flood WarningTOPPottawatomie4 hr
May 1, 1:25 PM CDTTornado WarningTOPMorris35 min
May 1, 2:33 PM CDTTornado WarningTOPJackson, Jefferson42 min
May 1, 3:04 PM CDTTornado WarningTOPShawnee, Wabaunsee41 min
May 1, 3:11 PM CDTTornado WarningTOPJackson, Jefferson49 min
May 1, 4:27 PM CDTFlash Flood WarningTOPShawnee, Wabaunsee3 hr

Nearby

Tornado Warnings in Kansas, 2007Every tornado warning in 2007Tornadoes in 2007

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.