Alert archive / Kansas / Tornado Warnings in 2007

Tornado Warning 18, NWS Topeka, KS

May 5, 2007Republic County, Washington County, Kansas

NWS Topeka, KS issued this tornado warning at May 5, 2007, 3:26 AM CDT for Republic County, Washington County, Kansas. It was in force for 49 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 5, 2007, 3:26 AM CDT (08:26 UTC)
Expired
May 5, 2007, 4:15 AM CDT
In force
49 min
Issued by
NWS Topeka, KS
Area
Counties, with a storm outline in the text

Counties Republic County, KS, Washington County, KS

The radar

The Grand Island radar (KUEX), 114 km from the middle of the area, began a volume at 08:29 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
May 5, 1:30 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 8.4 hours before the alert went out and 168 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 2007-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1346 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 2007-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 square meters per square second.193958Sfc1 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
1346 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
974 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KTOP 050827
TORTOP
KSC157-201-050915-
/O.NEW.KTOP.TO.W.0018.070505T0826Z-070505T0915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TOPEKA KS
326 AM CDT SAT MAY 5 2007

THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN REPUBLIC COUNTY IN NORTH CENTRAL KANSAS...
  WESTERN WASHINGTON COUNTY IN NORTH CENTRAL KANSAS...

* UNTIL 415 AM CDT

* AT 325 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES SOUTH OF
  AGENDA...OR ABOUT 14 MILES EAST OF CONCORDIA...MOVING NORTHEAST AT
  20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  AGENDA...
  BRANTFORD...
  HADDAM...
  MORROWVILLE...
  WASHINGTON...

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 3965 9749 3964 9731 3982 9703 3999 9735

$$
3 follow-up statements
000 
WWUS53 KTOP 050847
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
345 AM CDT SAT MAY 5 2007

KSC157-201-050915-
/O.CON.KTOP.TO.W.0018.000000T0000Z-070505T0915Z/
REPUBLIC-WASHINGTON-
345 AM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM CDT FOR
NORTHWESTERN WASHINGTON AND EAST CENTRAL REPUBLIC COUNTIES...

AT 343 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED 8 MILES SOUTH OF HADDAM...OR ABOUT 20 MILES
NORTHEAST OF CONCORDIA...MOVING NORTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
BRANTFORD...CLARA...ENOSDALE...HADDAM...MORROWVILLE AND WASHINGTON.

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.

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

LAT...LON 3975 9745 3964 9728 3982 9703 3999 9735

$$
000 
WWUS53 KTOP 050903
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
402 AM CDT SAT MAY 5 2007

KSC157-050910-
/O.CAN.KTOP.TO.W.0018.000000T0000Z-070505T0915Z/
REPUBLIC-
402 AM CDT SAT MAY 5 2007

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

THE THUNDERSTORM THAT COULD PRODUCE THE TORNADO HAD EXITED THE 
COUNTY HOWEVER RADAR INDICATED GUSTY WINDS...SOME HAIL AND BRIEF 
HEAVY RAIN WERE STILL POSSIBLE OVER THE FAR EASTERN PORTIONS OF 
REPUBLIC COUNTY.

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

LAT...LON 3985 9736 3972 9723 3982 9703 3999 9735

$$

KSC201-050915-
/O.CON.KTOP.TO.W.0018.000000T0000Z-070505T0915Z/
WASHINGTON-
402 AM CDT SAT MAY 5 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM CDT FOR
NORTHWESTERN WASHINGTON COUNTY...

AT 358 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
STORM WAS LOCATED NEAR MORROWVILLE...OR ABOUT 30 MILES WEST OF
MARYSVILLE...MOVING NORTHEAST AT 35 MPH.

AT 355 AM A SPOTTER REPORTED A WALL CLOUD JUST WEST OF MORROWVILLE.

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.

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

LAT...LON 3985 9736 3972 9723 3982 9703 3999 9735

$$
000 
WWUS53 KTOP 050913
SVSTOP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TOPEKA KS
413 AM CDT SAT MAY 5 2007

KSC201-050921-
/O.EXP.KTOP.TO.W.0018.000000T0000Z-070505T0915Z/
WASHINGTON-
413 AM CDT SAT MAY 5 2007

...THE TORNADO WARNING FOR NORTHWESTERN WASHINGTON COUNTY WILL EXPIRE
AT 415 AM CDT...

AT 412 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE 
SEVERE THUNDERSTORM WITH THE POSSIBLE TORNADO 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.

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 3985 9736 3972 9723 3982 9703 3999 9735

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 2:14 AM CDTWind AdvisoryTOPClay, Cloud, Dickinson, Geary, Marshall, Ottawa and 3 more17 hr
May 5, 2:27 AM CDTSevere Thunderstorm WarningTOPCloud63 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.