Alert archive / Kansas / Tornado Warnings in 2007

Tornado Warning 10, NWS Topeka, KS

March 30, 2007Douglas County, Jefferson County, Kansas

NWS Topeka, KS issued this tornado warning at Mar 30, 2007, 10:58 PM CDT for Douglas County, Jefferson 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
Mar 30, 2007, 10:58 PM CDT (03:58 UTC)
Expired
Mar 30, 2007, 11:30 PM CDT
In force
32 min
Issued by
NWS Topeka, KS
Area
Counties, with a storm outline in the text

Counties Douglas County, KS, Jefferson County, KS

The radar

The Topeka radar (KTWX), 66 km from the middle of the area, began a volume at 04:00 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, 4.0 hours before the alert went out and 17 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 310358
TORTOP
KSC045-087-310430-
/O.NEW.KTOP.TO.W.0010.070331T0358Z-070331T0430Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
1058 PM CDT FRI MAR 30 2007

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME NORTHWESTERN DOUGLAS COUNTY IN EAST CENTRAL KANSAS...
  SOUTHWEST JEFFERSON COUNTY IN NORTHEAST KANSAS...

* UNTIL 1130 PM CDT

* AT 1056 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 13 MILES SOUTH
  OF PERRY LAKE...OR ABOUT 12 MILES EAST OF TOPEKA...MOVING NORTH AT
  30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  PERRY LAKE...
 
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 3900 9550 3901 9543 3923 9542 3922 9551
      3905 9550

$$
3 follow-up statements
000 
WWUS53 KTOP 310407
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1106 PM CDT FRI MAR 30 2007

KSC045-310416-
/O.CAN.KTOP.TO.W.0010.000000T0000Z-070331T0430Z/
DOUGLAS-
1106 PM CDT FRI MAR 30 2007

...THE TORNADO WARNING FOR DOUGLAS COUNTY HAS BEEN CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING FOR EXTREME NORTHWEST 
DOUGLAS COUNTY HAD MOVED NORTH INTO SOUTHWEST JEFFERSON COUNTY.

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

LAT...LON 3905 9550 3907 9543 3923 9542 3922 9552

$$

KSC087-310430-
/O.CON.KTOP.TO.W.0010.000000T0000Z-070331T0430Z/
JEFFERSON-
1106 PM CDT FRI MAR 30 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR 
SOUTHWEST JEFFERSON COUNTY...

AT 1104 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 
BETWEEN GRANTVILLE AND PERRY...OR ABOUT 11 MILES EAST OF 
TOPEKA...MOVING NORTH AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
PERRY LAKE.

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 3905 9550 3907 9543 3923 9542 3922 9552

$$
000 
WWUS53 KTOP 310420
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1120 PM CDT FRI MAR 30 2007

KSC087-310430-
/O.CON.KTOP.TO.W.0010.000000T0000Z-070331T0430Z/
JEFFERSON-
1120 PM CDT FRI MAR 30 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR WEST 
CENTRAL JEFFERSON COUNTY...

AT 1117 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED NEAR PERRY LAKE...OR ABOUT 14 MILES NORTHEAST OF
TOPEKA...MOVING NORTH AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
PERRY LAKE...
OZAWKIE.

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 3916 9550 3915 9543 3923 9542 3922 9552

$$
000 
WWUS53 KTOP 310427
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
1126 PM CDT FRI MAR 30 2007

KSC087-310436-
/O.EXP.KTOP.TO.W.0010.000000T0000Z-070331T0430Z/
JEFFERSON-
1126 PM CDT FRI MAR 30 2007

...THE TORNADO WARNING FOR WEST CENTRAL JEFFERSON COUNTY WILL EXPIRE 
AT 1130 PM CDT...

AT 1126 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE 
SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND NO 
LONGER APPEARED CAPABLE OF PRODUCING TORNADOES OR OTHER SEVERE 
WEATHER...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE
STILL POSSIBLE FROM THE THUNDERSTORM.

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

LAT...LON 3916 9550 3915 9543 3923 9542 3922 9552

$$

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, 9:51 PM CDTTornado WarningTOPGeary, Wabaunsee24 min
Mar 30, 10:15 PM CDTFlash Flood WarningTOPOsage4 hr
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.