Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 341, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 28, 2007, 3:40 AM CDT for Dunn County, Wisconsin. It was in force for 49 min. 4 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
- Aug 28, 2007, 3:40 AM CDT (08:40 UTC)
- Expired
- Aug 28, 2007, 4:29 AM CDT
- In force
- 49 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Dunn County, WI
The radar
The Minneapolis radar (KMPX), 129 km from the middle of the area, began a volume at 08:41 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 |
|---|---|---|---|
| Aug 28, 3:58 AM CDT | TSTM WND DMG | Boyceville, WI | POWER LINES DOWN. |
| Aug 28, 3:58 AM CDT | HAIL 0.88 | Boyceville, WI | |
| Aug 28, 4:10 AM CDT | TSTM WND DMG | Menomonie, WI | POWER LINES DOWN. |
| Aug 28, 4:11 AM CDT | TSTM WND DMG | Menomonie, WI | A SECTION OF A HOME WITH STRUCTURAL DAMAGE. |
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 |
|---|---|---|---|
| Aug 28, 1:56 AM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 8.7 hours before the alert went out and 132 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
- 2564 J/kg
- Mixed-layer CIN
- -230 J/kg
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 379 m²/s²
- 0-3 km storm-relative helicity
- 526 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 280842
SVRMPX
WIC033-280945-
/O.NEW.KMPX.SV.W.0341.070828T0840Z-070828T0945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
340 AM CDT TUE AUG 28 2007
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
DUNN COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 445 AM CDT
* AT 337 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS WITH NICKEL SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 65 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 17 MILES WEST OF BOYCEVILLE TO 21 MILES SOUTHWEST
OF BOYCEVILLE TO 31 MILES SOUTHWEST OF MENOMONIE...AND MOVING
EAST AT 65 MPH. THIS THUNDERSTORM HAS A HISTORY OF
PRODUCING WIDESPREAD WIND DAMAGE FROM THE SOUTH SIDE OF THE TWIN
CITIES INTO FAR WESTERN WISCONSIN...INCLUDING RIVER FALLS.
* LOCATIONS IMPACTED INCLUDE...
BOYCEVILLE...
MENOMONIE...
COLFAX...
ELK MOUND...
INTERSTATE 94...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT
TUESDAY MORNING FOR SOUTHEASTERN MINNESOTA.
LAT...LON 4520 9216 4467 9214 4468 9178 4474 9167
4514 9165
$$3 follow-up statements
000
WWUS53 KMPX 280856
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
354 AM CDT TUE AUG 28 2007
WIC033-280945-
/O.CON.KMPX.SV.W.0341.000000T0000Z-070828T0945Z/
DUNN WI-
354 AM CDT TUE AUG 28 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR DUNN COUNTY...
AT 335 AM CDT...LAW ENFORCEMENT REPORTED LARGE TREES BLOWN DOWN IN
RIVER FALLS WITH THIS STORM.
AT 350 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 4 MILES NORTHWEST OF DOWNING TO 6 MILES SOUTH OF KNAPP
TO 10 MILES WEST OF EAU GALLE...AND MOVING NORTHEAST AT 65 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE ROCK FALLS...EAU GALLE...
CARYVILLE...WHEELER...TAINTER LAKE...MENOMONIE...KNAPP...ELK
MOUND...DOWNING...AND INTERSTATE 94.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THE LEADING
EDGE OF THIS STORM COMPLEX. WHILE NOT IMMEDIATELY LIKELY...A BRIEF
TORNADO IS POSSIBLE IN THIS SCENARIO. IF A TORNADO IS SPOTTED...ACT
QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH
AS A BASEMENT OR SMALL INTERIOR ROOM.
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS
LAT...LON 4517 9216 4467 9214 4468 9178 4468 9166
4513 9166
$$000
WWUS53 KMPX 280914
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
413 AM CDT TUE AUG 28 2007
WIC033-280945-
/O.CON.KMPX.SV.W.0341.000000T0000Z-070828T0945Z/
DUNN WI-
413 AM CDT TUE AUG 28 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 AM CDT
FOR DUNN COUNTY...
AT 411 AM CDT...WIND DAMAGE TO A HOME AND A DOWNED LIGHT POLE WERE
REPORTED IN MENOMONIE WITH THIS STORM. NICKEL SIZE HAIL ALSO HAS
BEEN OBSERVED WITH THIS STORM IN DUNN COUNTY.
AT 411 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 65
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9 MILES
NORTH OF COLFAX TO 7 MILES WEST OF ROCK FALLS...AND MOVING EAST AT
60 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE ROCK FALLS...CARYVILLE...
TAINTER LAKE...ELK MOUND AND COLFAX.
THIS STORM HAS A HISTORY OF PRODUCING WIDESPREAD WIND DAMAGE. THIS
IS A DANGEROUS SITUATION. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS
LAT...LON 4518 9192 4493 9190 4468 9185 4468 9166
4513 9166 4516 9178
$$000
WWUS53 KMPX 280929
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
429 AM CDT TUE AUG 28 2007
WIC033-280939-
/O.CAN.KMPX.SV.W.0341.000000T0000Z-070828T0945Z/
DUNN WI-
429 AM CDT TUE AUG 28 2007
...THE SEVERE THUNDERSTORM WARNING FOR DUNN COUNTY IS CANCELLED...
RADAR INDICATED THAT THE SEVERE THUNDERSTORM HAD MOVED OUT OF DUNN
COUNTY. THUS THE WARNING HAS BEEN CANCELLED. WIND DAMAGE WAS
REPORTED IN MENOMONIE WITH THIS STORM.
REPORT ANY SEVERE WEATHER TO YOUR LAW ENFORCEMENT FOR RELAY TO THE
NATIONAL WEATHER SERVICE.
LAT...LON 4518 9192 4493 9190 4468 9185 4468 9166
4513 9166 4516 9178
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 12:03 AM CDT | Severe Thunderstorm Warning | MPX | Rusk | 57 min |
| Aug 28, 1:52 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Polk | 53 min |
| Aug 28, 3:20 AM CDT | Severe Thunderstorm Warning | MPX | Pierce, Saint Croix | 43 min |
| Aug 28, 3:52 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire | 53 min |
| Aug 28, 1:31 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 44 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2007Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.