Alert archive / Wisconsin / Tornado Warnings in 2007
Tornado Warning 7, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at May 23, 2007, 4:07 PM CDT for Polk County, Wisconsin. It was in force for 38 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, 4:07 PM CDT (21:07 UTC)
- Expired
- May 23, 2007, 4:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Polk County, WI
The radar
The Minneapolis radar (KMPX), 122 km from the middle of the area, began a volume at 21:10 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 12:00Z, 9.1 hours before the alert went out and 124 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
- 84 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 164 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 KMPX 232107 RRA TORMPX WIC095-232145- /O.NEW.KMPX.TO.W.0007.070523T2107Z-070523T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 407 PM CDT WED MAY 23 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... NORTHERN POLK COUNTY IN NORTHWEST WISCONSIN... * UNTIL 445 PM CDT * AT 406 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 4 MILES NORTHEAST OF LUCK...OR ABOUT OVER LUCK...AND MOVING NORTHEAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... LEWIS... CLAM FALLS... MCKINLEY... LUCK... 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 4551 9261 4547 9216 4571 9216 4572 9250 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 3:22 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 53 min |
| May 23, 4:24 PM CDT | Severe Thunderstorm Warning | MPX | Barron | 66 min |
| May 23, 4:29 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 61 min |
| May 23, 4:31 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 59 min |
| May 23, 4:48 PM CDT | Tornado Warning | MPX | Polk | 27 min |
| May 23, 5:12 PM CDT | Severe Thunderstorm Warning | MPX | Dunn | 63 min |
| May 23, 5:27 PM CDT | Severe Thunderstorm Warning | MPX | Barron | 48 min |
| May 23, 6:04 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Rusk | 56 min |
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.