Alert archive / Kansas / Tornado Warnings in 2007

Tornado Warning 9, NWS Topeka, KS

March 30, 2007Geary County, Wabaunsee County, Kansas

NWS Topeka, KS issued this tornado warning at Mar 30, 2007, 9:51 PM CDT for Geary County, Wabaunsee County, Kansas. It was in force for 24 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
Mar 30, 2007, 9:51 PM CDT (02:51 UTC)
Expired
Mar 30, 2007, 10:15 PM CDT
In force
24 min
Issued by
NWS Topeka, KS
Area
Counties, with a storm outline in the text

Counties Geary County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 21 km from the middle of the area, began a volume at 02:53 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
Mar 30, 7:55 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.9 hours before the alert went out and 72 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 2007-03-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 312 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 00:00Z on 2007-03-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.19395878Sfc1 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
312 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
786 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
154 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KTOP 310252
TORTOP
KSC061-197-310315-
/O.NEW.KTOP.TO.W.0009.070331T0251Z-070331T0315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
951 PM CDT FRI MAR 30 2007

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME EASTERN GEARY COUNTY IN EAST CENTRAL KANSAS...
  WEST CENTRAL WABAUNSEE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 1015 PM CDT

* AT 948 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR VOLLAND...
  OR ABOUT 21 MILES SOUTH OF MANHATTAN...MOVING NORTH AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VOLLAND...

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 3887 9649 3889 9635 3903 9638 3905 9661

$$
2 follow-up statements
000 
WWUS53 KTOP 310302
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1001 PM CDT FRI MAR 30 2007

KSC061-197-310315-
/O.CON.KTOP.TO.W.0009.000000T0000Z-070331T0315Z/
GEARY-WABAUNSEE-
1001 PM CDT FRI MAR 30 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT FOR EXTREME 
WEST CENTRAL WABAUNSEE AND EXTREME EASTERN GEARY COUNTIES...

AT 958 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 
MILES NORTHWEST OF VOLLAND...OR ABOUT 17 MILES SOUTHEAST OF 
MANHATTAN...MOVING NORTH AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF WEST CENTRAL WABAUNSEE AND EXTREME EASTERN 
GEARY COUNTIES.

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 9649 3895 9641 3904 9641 3904 9656

$$
000 
WWUS53 KTOP 310312
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1012 PM CDT FRI MAR 30 2007

KSC061-197-310322-
/O.EXP.KTOP.TO.W.0009.000000T0000Z-070331T0315Z/
GEARY-WABAUNSEE-
1012 PM CDT FRI MAR 30 2007

...THE TORNADO WARNING FOR EXTREME WEST CENTRAL WABAUNSEE AND 
EXTREME EASTERN GEARY COUNTIES WILL EXPIRE AT 1015 PM CDT...

AT 1012 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE
STORM WHICH HAD PROMPTED THE TORNADO WARNING HAD EXITED THE WARNED
AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

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 3895 9649 3895 9641 3904 9641 3904 9656

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 9:27 PM CDTTornado WarningTOPMorris, Wabaunsee33 min
Mar 30, 10:15 PM CDTFlash Flood WarningTOPOsage4 hr
Mar 30, 10:58 PM CDTTornado WarningTOPDouglas, Jefferson32 min
Mar 30, 11:03 PM CDTFlash Flood WarningTOPDouglas, Jefferson, Pottawatomie, Shawnee, Wabaunsee4 hr
Mar 30, 11:03 PM CDTFlash Flood WarningTOPDouglas, Jackson, Jefferson, Pottawatomie, Shawnee, Wabaunsee4 hr
Mar 31, 12:03 AM CDTFlash Flood WarningTOPWashington4 hr
Mar 31, 12:06 AM CDTFlash Flood WarningTOPNemaha4 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.