Alert archive / Kansas / Tornado Warnings in 2007

Tornado Warning 16, NWS Topeka, KS

May 1, 2007Shawnee County, Wabaunsee County, Kansas

NWS Topeka, KS issued this tornado warning at May 1, 2007, 3:04 PM CDT for Shawnee County, Wabaunsee County, Kansas. It was in force for 41 min. 1 report 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: May 1, 2007, 3:04 PM CDT (20:04 UTC)
Expired: May 1, 2007, 3:45 PM CDT
In force: 41 min
Issued by: NWS Topeka, KS
Area: Counties, with a storm outline in the text

Counties Shawnee County, KS, Wabaunsee County, KS

The radar

The Topeka radar (KTWX), 33 km from the middle of the area, began a volume at 20:05 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

Time	Report	Where	Remark
May 1, 3:07 PM CDT	TORNADO	Se Maple Hill, KS	TORNADO REPORTED ON THE GROUND...BUT HAS SINCE LIFTED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 8.1 hours before the alert went out and 22 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 012007
TORTOP
KSC177-197-012045-
/O.NEW.KTOP.TO.W.0016.070501T2004Z-070501T2045Z/

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

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN SHAWNEE COUNTY IN EAST CENTRAL KANSAS...
  NORTHEAST WABAUNSEE COUNTY IN EAST CENTRAL KANSAS...

* UNTIL 345 PM CDT

* AT 303 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD 
BETWEEN WILLARD AND MAPLE HILL NEAR THE WABAUNSEE SHAWNEE COUNTY 
LINE NEAR INTERSTATE 70...OR ABOUT 15 MILES WEST OF DOWNTOWN   
TOPEKA...THESE STORMS ARE MOVING SLOWLY SOUTHWEST AT 10 MPH

* LOCATIONS IMPACTED INCLUDE...
  WILLARD...
  SILVER LAKE...
  NORTH AND NORTHWEST TOPEKA...
  ROSSVILLE...
  PAXICO...
  MAPLE HILL...

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 334 AND 355.

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 3909 9557 3924 9562 3910 9615 3903 9621
      3896 9610

$$

4 follow-up statements

000 
WWUS53 KTOP 012015
SVSTOP

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

KSC177-197-012045-
/O.CON.KTOP.TO.W.0016.000000T0000Z-070501T2045Z/
SHAWNEE-WABAUNSEE-
313 PM CDT TUE MAY 1 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR 
NORTHEAST WABAUNSEE AND NORTHERN SHAWNEE COUNTIES...

AT 310 PM CDT...SEVERAL TRAINED WEATHER SPOTTERS REPORTED FUNNEL 
CLOUDS AND TORNADOES OVER EXTREME NORTHEAST WABAUNSEE COUNTY NEAR 
MAPLE HILL. ...OR ABOUT 15 TO 20 MILES WEST OF DOWNTOWN 
TOPEKA...THIS STORM WAS NEARLY STATIONARY.  THESE FUNNELS WERE 
DEVELOPING ALONG A LINE FROM NEAR PAXICO TO SILVER LAKE TO WEST OF 
MERIDEN.

LOCATIONS IMPACTED INCLUDE...
PAXICO...MAPLE HILL...SILVER LAKE...WILLARD AND NORTHERN AND 
NORTHWEST TOPEKA.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 334 AND 355.

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 3909 9557 3924 9562 3910 9615 3903 9621
      3896 9610

$$

000 
WWUS53 KTOP 012021
SVSTOP

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

KSC177-197-012045-
/O.CON.KTOP.TO.W.0016.000000T0000Z-070501T2045Z/
SHAWNEE-WABAUNSEE-
318 PM CDT TUE MAY 1 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR 
NORTHEAST WABAUNSEE AND NORTHERN SHAWNEE COUNTIES...

AT 317 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR 
INTERSTATE 70 AND CARLSON ROAD...OR ABOUT 20 MILES WEST OF DOWNTOWN 
TOPEKA.  MORE FUNNELS AND TORNADOES ARE POSSIBLE ALONG A LINE OF 
THUNDERSTORMS DEVELOPING FROM PAXICO THROUGH SILVER LAKE TO THE 
NORTH SIDE OF TOPEKA. THE STORMS WERE MOVING SLOWLY SOUTHWEST AT 
ABOUT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
PAXICO...MAPLE HILL...WILLARD...SILVER LAKE AND NORTH AND NORTHWEST 
SIDE OF TOPEKA.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 334 AND 355.

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 3909 9557 3924 9562 3910 9615 3903 9621
      3896 9610

$$

000 
WWUS53 KTOP 012030
SVSTOP

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

KSC177-197-012045-
/O.CON.KTOP.TO.W.0016.000000T0000Z-070501T2045Z/
SHAWNEE-WABAUNSEE-
327 PM CDT TUE MAY 1 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR EAST
CENTRAL WABAUNSEE AND NORTHERN SHAWNEE COUNTIES...

AT 326 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD AT 
46TH STREET AND SHAFFER ROAD...OR ABOUT 9 MILES NORTH OF DOWNTOWN 
TOPEKA...MOVING SOUTHWEST AT 5 MPH.  MORE STORMS WERE DEVELOPING 
ALONG A LINE FROM FAR NORTHERN TOPEKA TO SILVER LAKE TO MAPLE HILL.  
NUMEROUS FUNNEL CLOUDS WITH BRIEF TOUCHDOWNS WERE EARLIER REPORTED 
FROM NEAR MAPLE HILL TO WILLARD.

LOCATIONS IMPACTED INCLUDE...
WILLARD...SILVER LAKE...ROSSVILLE...PAXICO...NORTH AND NORTHWEST 
SIDE OF TOPEKA AND MAPLE HILL.

THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 334 AND 355.

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

LAT...LON 3909 9557 3924 9562 3910 9615 3903 9621
      3896 9610

$$

000 
WWUS53 KTOP 012049
SVSTOP

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

KSC177-197-012054-
/O.EXP.KTOP.TO.W.0016.000000T0000Z-070501T2045Z/
SHAWNEE-WABAUNSEE-
344 PM CDT TUE MAY 1 2007

...THE TORNADO WARNING FOR NORTHEAST WABAUNSEE AND NORTHERN
SHAWNEE COUNTIES WILL EXPIRE AT 345 PM CDT...

AT 344 PM CDT...THE SHOWERS AND THUNDERSTORMS THAT PRODUCED THE 
FUNNEL CLOUDS AND BRIEF TOUCHDOWNS HAD WEAKENED AND NO RECENT 
REPORTS OF FUNNELS OR TORNADOES HAVE BEEN RECEIVED FROM WABAUNSEE OR 
NORTHERN SHAWNEE COUNTIES...THUS THE WARNING HAS BEEN ALLOWED TO 
EXPIRE.

HOWEVER...CONDITIONS ARE SUCH THAT FUNNEL CLOUDS COULD REDEVELOP.  
IF YOU SEE A FUNNEL CLOUD OR TORNADO...CALL THE REPORT IN TO YOUR 
LOCAL LAW ENFORCEMENT AGENCY.

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

LAT...LON 3909 9557 3924 9562 3910 9615 3903 9621
      3896 9610

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 9:00 AM CDT	Flash Flood Warning	TOP	Pottawatomie	4 hr
May 1, 1:25 PM CDT	Tornado Warning	TOP	Morris	35 min
May 1, 1:58 PM CDT	Tornado Warning	TOP	Wabaunsee	32 min
May 1, 2:33 PM CDT	Tornado Warning	TOP	Jackson, Jefferson	42 min
May 1, 3:11 PM CDT	Tornado Warning	TOP	Jackson, Jefferson	49 min
May 1, 4:27 PM CDT	Flash Flood Warning	TOP	Shawnee, Wabaunsee	3 hr

Nearby

Tornado Warnings in Kansas, 2007 Every tornado warning in 2007 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.