Alert archive / Kansas / Tornado Warnings in 2007
Tornado Warning 17, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at May 1, 2007, 3:11 PM CDT for Jackson County, Jefferson 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 1, 2007, 3:11 PM CDT (20:11 UTC)
- Expired
- May 1, 2007, 4:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Topeka, KS
- Area
- Counties, with a storm outline in the text
Counties Jackson County, KS, Jefferson County, KS
The radar
The Topeka radar (KTWX), 82 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 40 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KTOP 012013 TORTOP KSC085-087-012100- /O.NEW.KTOP.TO.W.0017.070501T2011Z-070501T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TOPEKA KS 311 PM CDT TUE MAY 1 2007 THE NATIONAL WEATHER SERVICE IN TOPEKA HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN JACKSON COUNTY IN NORTHEAST KANSAS... NORTHERN JEFFERSON COUNTY IN NORTHEAST KANSAS... * UNTIL 400 PM CDT * AT 309 PM CDT...TRAINED WEATHER SPOTTERS CONTINUED TO REPORT FUNNEL CLOUDS 5 TO 6 MILES WEST OF VALLEY FALLS...OR ABOUT 18 MILES NORTHEAST OF TOPEKA...MOVING SOUTHWEST AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... OZAWKIE... NORTONVILLE.. DENISON... MERIDEN... VALLEY FALLS... PERRY LAKE... IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD. STAY TUNED TO WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. LAT...LON 3926 9518 3941 9517 3941 9568 3911 9558 $$
3 follow-up statements
000 WWUS53 KTOP 012031 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 324 PM CDT TUE MAY 1 2007 KSC085-087-012100- /O.CON.KTOP.TO.W.0017.000000T0000Z-070501T2100Z/ JACKSON-JEFFERSON- 324 PM CDT TUE MAY 1 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR NORTHERN AND CENTRAL JEFFERSON AND SOUTHEASTERN JACKSON COUNTIES... AT 304 PM CDT...FUNNEL CLOUDS HAD BEEN REPORTED 5 TO 6 MILES WEST OF VALLEY FALLS. THESE FUNNELS ARE COMING FROM A LINE OF THUNDERSTORMS THAT RUN SOUTHWEST TO NORTHEAST...FROM SOUTHEAST JACKSON COUNTY INTO NORTHEAST JEFFERSON COUNTY. THIS LINE OF CLOUDS HAS A DARK BASE...FROM WHICH SEVERAL FUNNELS HAVE BEEN REPORTED. STORMS ARE MOVING SOUTHWEST AROUND 10 MPH. LOCATIONS IMPACTED INCLUDE... MERIDEN...PERRY LAKE...VALLEY FALLS...DENISON...WINCHESTER...AND OSKALOOSA. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. LAT...LON 3926 9518 3941 9517 3941 9568 3911 9558 $$
000 WWUS53 KTOP 012045 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 340 PM CDT TUE MAY 1 2007 KSC085-087-012100- /O.CON.KTOP.TO.W.0017.000000T0000Z-070501T2100Z/ JACKSON-JEFFERSON- 340 PM CDT TUE MAY 1 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR NORTHERN AND CENTRAL JEFFERSON AND SOUTHEASTERN JACKSON COUNTIES... AT 339 PM CDT...A LINE OF THUNDERSTORMS CONTINUES ACROSS SOUTHEASTERN JACKSON ACROSS NORTHERN AND CENTRAL JEFFERSON COUNTIES. STORMS ARE MOVING SOUTHWEST NEAR 15 MPH ALONG THIS LINE. THIS LINE OF STORMS HAS A HISTORY OF PRODUCING FUNNELS. NO TORNADO TOUCHDOWNS HAVE YET BEEN REPORTED. MOST LIKELY LOCATIONS TO SEE FUNNEL CLOUD DEVELOPMENT WILL BE FROM DENISON EAST TO NORTONVILLE...AND FROM NORTONVILLE TO OSKALOOSA THEN WEST TO MERIDEN. LOCATIONS IMPACTED INCLUDE... OZAWKIE...PERRY STATE PARK...PERRY LAKE...MERIDEN AND DENISON. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. LAT...LON 3926 9518 3941 9517 3941 9568 3911 9558 $$
000 WWUS53 KTOP 012101 SVSTOP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 400 PM CDT TUE MAY 1 2007 KSC085-087-012110- /O.EXP.KTOP.TO.W.0017.000000T0000Z-070501T2100Z/ JACKSON-JEFFERSON- 400 PM CDT TUE MAY 1 2007 ...THE TORNADO WARNING FOR NORTHERN JEFFERSON AND SOUTHEASTERN JACKSON COUNTIES HAS EXPIRED... AT 400 PM CDT...THE NATIONAL WEATHER SERVICE CONTINUES TO RECEIVE REPORTS OF FUNNEL CLOUDS...HOWEVER NO TORNADO TOUCHDOWNS HAVE BEEN REPORTED IN JACKSON OR JEFFERSON COUNTIES AT THIS TIME. THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE. RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE STILL POSSIBLE FROM THE THUNDERSTORM. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FOR THE LATEST SEVERE WEATHER INFORMATION. LAT...LON 3926 9518 3941 9517 3941 9568 3911 9558 $$
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, 3:04 PM CDT | Tornado Warning | TOP | Shawnee, Wabaunsee | 41 min |
| May 1, 4:27 PM CDT | Flash Flood Warning | TOP | Shawnee, Wabaunsee | 3 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.