Alert archive / Wisconsin / Tornado Warnings in 2007
Tornado Warning 11, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at May 23, 2007, 7:24 PM CDT for Eau Claire County, Wisconsin. It was in force for 26 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 23, 2007, 7:24 PM CDT (00:24 UTC)
- Expired
- May 23, 2007, 7:50 PM CDT
- In force
- 26 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Eau Claire County, WI
The radar
The La Crosse radar (KARX), 102 km from the middle of the area, began a volume at 00:25 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 23, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.4 hours before the alert went out and 182 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
- 39 J/kg
- Mixed-layer CIN
- -177 J/kg
- Mixed-layer LCL
- 973 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -83 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KMPX 240023 TORMPX WIC035-240115- /O.NEW.KMPX.TO.W.0011.070524T0024Z-070524T0115Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 724 PM CDT WED MAY 23 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN... * UNTIL 815 PM CDT * AT 719 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 4 MILES SOUTHWEST OF ALLEN...OR ABOUT OVER STRUM...AND MOVING NORTHEAST AT 50 MPH. * LOCATIONS IMPACTED INCLUDE... FOSTER... BRACKETT... FALL CREEK... AUGUSTA... FAIRCHILD... LUDINGTON... IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4482 9155 4460 9148 4460 9095 4486 9094 $$ MB
2 follow-up statements
000 WWUS53 KMPX 240032 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 730 PM CDT WED MAY 23 2007 WIC035-240115- /O.CON.KMPX.TO.W.0011.000000T0000Z-070524T0115Z/ EAU CLAIRE WI- 730 PM CDT WED MAY 23 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN... AT 722 PM CDT...A TORNADO WAS REPORTED 4 MILES SOUTH OF EAU CLAIRE. AT 727 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE TORNADO PRODUCING SEVERE THUNDERSTORM WAS LOCATED NEAR FALL CREEK...AND MOVING NORTHEAST AT 50 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE LUDINGTON...FOSTER... BRACKETT...ALLEN...FALL CREEK...FAIRCHILD...EAU CLAIRE...AUGUSTA AND ALTOONA. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4482 9155 4460 9148 4460 9095 4486 9094 $$ MB
000 WWUS53 KMPX 240050 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 750 PM CDT WED MAY 23 2007 WIC035-240100- /O.CAN.KMPX.TO.W.0011.000000T0000Z-070524T0115Z/ EAU CLAIRE WI- 750 PM CDT WED MAY 23 2007 ...THE TORNADO WARNING FOR EAU CLAIRE COUNTY IN WEST CENTRAL WISCONSIN IS CANCELLED... THE STORM HAS WEAKENED...AND NO LONGER APPEARS TORNADIC. THEREFORE... THE TORNADO WARNING HAS BEEN CANCELLED. LAT...LON 4482 9155 4460 9148 4460 9095 4486 9094 $$ MB
Nearby
Tornado Warnings in Wisconsin, 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.