Alert archive / Wisconsin / Tornado Warnings in 2008
Tornado Warning 40, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jul 11, 2008, 9:11 PM CDT for Barron County, Polk County, Wisconsin. It was in force for 49 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 11, 2008, 9:11 PM CDT (02:11 UTC)
- Expired
- Jul 11, 2008, 10:00 PM CDT
- In force
- 49 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Barron County, WI, Polk County, WI
The radar
The Minneapolis radar (KMPX), 140 km from the middle of the area, began a volume at 01:59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 11, 9:20 PM CDT | TSTM WND DMG | Amery, WI | A FEW TREES TOPPLED. |
| Jul 11, 9:30 PM CDT | TSTM WND DMG | 4 S Almena, WI | TREE TOPPLED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 11, 6:13 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.2 hours before the alert went out and 142 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
- 2916 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1332 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 124 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 12.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KMPX 120211 TORMPX WIC005-095-120300- /O.NEW.KMPX.TO.W.0040.080712T0211Z-080712T0300Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 911 PM CDT FRI JUL 11 2008 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... CENTRAL POLK COUNTY IN NORTHWEST WISCONSIN... BARRON COUNTY IN NORTHWEST WISCONSIN... * UNTIL 1000 PM CDT * AT 908 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 5 MILES NORTH OF DERONDA...OR ABOUT 8 MILES SOUTHEAST OF CENTURIA...AND MOVING EAST AT 46 MPH. * SOME LOCATIONS INCLUDE... RANGE... JOEL... CLAYTON... TURTLE LAKE... MCKINLEY... COMSTOCK... ALMENA... CUMBERLAND... HILLSDALE... BARRON... CAMERON... RICE LAKE... 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 4561 9171 4530 9162 4528 9248 4554 9257 TIME...MOT...LOC 0211Z 257DEG 40KT 4538 9239 $$ KAT
1 follow-up statement
000
WWUS53 KMPX 120243
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
943 PM CDT FRI JUL 11 2008
WIC095-120253-
/O.CAN.KMPX.TO.W.0040.000000T0000Z-080712T0300Z/
POLK WI-
943 PM CDT FRI JUL 11 2008
...THE TORNADO WARNING FOR CENTRAL POLK COUNTY IS CANCELLED...
RADAR INDICATED THAT THE SEVERE STORM HAD MOVED OUT OF THE WARNED
AREA. THEREFORE...THE TORNADO WARNING HAS BEEN CANCELLED.
LAT...LON 4530 9164 4530 9211 4558 9203 4561 9171
4531 9162
TIME...MOT...LOC 0243Z 270DEG 39KT 4557 9176 4531 9185
$$
WIC005-120300-
/O.CON.KMPX.TO.W.0040.000000T0000Z-080712T0300Z/
BARRON WI-
943 PM CDT FRI JUL 11 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR CENTRAL
BARRON COUNTY...
AT 942 PM CDT...RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS
PART OF THE STORM WAS LOCATED ALONG A LINE EXTENDING FROM 5 MILES
NORTH OF RICE LAKE TO HILLSDALE...AND MOVING EAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE SUMNER...HILLSDALE...RICE
LAKE...CUMBERLAND...CHETEK...CAMERON...BARRON AND ALMENA.
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 4530 9164 4530 9211 4558 9203 4561 9171
4531 9162
TIME...MOT...LOC 0243Z 270DEG 39KT 4557 9176 4531 9185
$$
KATThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 8:17 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 58 min |
| Jul 11, 8:33 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 57 min |
| Jul 11, 8:46 PM CDT | Tornado Warning | MPX | Polk | 20 min |
| Jul 11, 9:29 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn, Pepin, Pierce, Polk, Saint Croix | 61 min |
Nearby
Tornado Warnings in Wisconsin, 2008Every tornado warning in 2008Tornadoes in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.