Alert archive / Kansas / Tornado Warnings in 2007

Tornado Warning 25, NWS Topeka, KS

July 4, 2007Jackson County, Shawnee County, Kansas

NWS Topeka, KS issued this tornado warning at Jul 4, 2007, 2:34 PM CDT for Jackson County, Shawnee County, Kansas. It was in force for 11 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
Jul 4, 2007, 2:34 PM CDT (19:34 UTC)
Expired
Jul 4, 2007, 2:45 PM CDT
In force
11 min
Issued by
NWS Topeka, KS
Area
Counties, with a storm outline in the text

Counties Jackson County, KS, Shawnee County, KS

The radar

The Topeka radar (KTWX), 49 km from the middle of the area, began a volume at 19:38 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, 7.6 hours before the alert went out and 23 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 2007-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1411 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 2007-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
1411 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
39 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 041934
TORTOP
KSC085-177-041945-
/O.NEW.KTOP.TO.W.0025.070704T1934Z-070704T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
234 PM CDT WED JUL 4 2007

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL SHAWNEE COUNTY IN EAST CENTRAL KANSAS...
  SOUTH CENTRAL JACKSON COUNTY IN NORTHEAST KANSAS...

* UNTIL 245 PM CDT

* AT 228 PM CDT...JEFFERSON COUNTY EMERGENCY MANAGEMENT REPORTED A   
  TORNADO 5 MILES SOUTHWEST OF HOYT...OR ABOUT 13 MILES NORTH OF     
  TOPEKA...MOVING SOUTHEAST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF SOUTHERN JEFFERSON AND NORTHERN SHAWNEE      
  COUNTY COUNTY...
  MOTORISTS ALONG HIGHWAY 75.

FOR YOUR SAFETY...GO TO A STORM SHELTER OR BASEMENT NOW TORNADOES
MAY HAVE WINDS GREATER THAN 100 MPH. AVOID OVERPASSES AND WINDOWS...
AND COVER YOUR HEAD.

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

LAT...LON 3925 9570 3923 9583 3910 9583 3916 9560

$$
1 follow-up statement
000 
WWUS53 KTOP 041945
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
245 PM CDT WED JUL 4 2007

KSC085-087-177-042000-
/O.CON.KTOP.SV.W.0054.000000T0000Z-070704T2000Z/
JACKSON-JEFFERSON-SHAWNEE-
245 PM CDT WED JUL 4 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR NORTH CENTRAL SHAWNEE...SOUTHWESTERN JEFFERSON AND SOUTHEASTERN
JACKSON COUNTIES...

AT 243 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR HOYT...OR ABOUT 13 MILES NORTH OF TOPEKA...MOVING SOUTH
AT 5 MPH.

LOCATIONS IMPACTED INCLUDE...
MERIDEN...GRANTVILLE AND TOPEKA.

LARGE HAIL...VERY HEAVY RAIN AND DAMAGING WINDS ARE LIKELY WITH THIS
STORM. FOR YOUR SAFETY...TAKE COVER INSIDE A BUILDING NOW.

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

LAT...LON 3926 9559 3927 9582 3901 9579 3908 9551

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 1:26 PM CDTSevere Thunderstorm WarningTOPJackson, Pottawatomie34 min
Jul 4, 2:28 PM CDTSevere Thunderstorm WarningTOPJackson, Jefferson, Shawnee32 min
Jul 4, 2:51 PM CDTSevere Thunderstorm WarningTOPJefferson39 min
Jul 4, 3:02 PM CDTSevere Thunderstorm WarningTOPDouglas, Jefferson, Shawnee28 min
Jul 4, 3:31 PM CDTSevere Thunderstorm WarningTOPDouglas44 min

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.