Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 70, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2007, 12:19 PM CDT for Dunn County, Saint Croix County, Wisconsin. It was in force for 41 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
- Jun 7, 2007, 12:19 PM CDT (17:19 UTC)
- Expired
- Jun 7, 2007, 1:00 PM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Dunn County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 115 km from the middle of the area, began a volume at 17:21 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 |
|---|---|---|---|
| Jun 7, 11:34 AM CDT | Tornado Watch | SPC | 10 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 5.3 hours before the alert went out and 118 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
- 72 J/kg
- Mixed-layer CIN
- -470 J/kg
- Mixed-layer LCL
- 1082 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 071720
SVRMPX
WIC033-109-071800-
/O.NEW.KMPX.SV.W.0070.070607T1719Z-070607T1800Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1219 PM CDT THU JUN 7 2007
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
DUNN COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 100 PM CDT
* AT 1217 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 20 MILES SOUTHWEST OF
BOYCEVILLE...OR ABOUT 12 MILES EAST OF ELLSWORTH...AND MOVING
NORTHEAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
BOYCEVILLE...
INTERSTATE 94 BETWEEN BALDWIN AND MENOMONIE...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.
LAT...LON 4486 9234 4486 9214 4475 9214 4493 9191
4506 9187 4507 9198 4504 9214
$$2 follow-up statements
000
WWUS53 KMPX 071734
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1234 PM CDT THU JUN 7 2007
WIC033-109-071800-
/O.CON.KMPX.SV.W.0070.000000T0000Z-070607T1800Z/
ST. CROIX WI-DUNN WI-
1234 PM CDT THU JUN 7 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT
FOR DUNN AND ST. CROIX COUNTIES...
AT 1229 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING HAIL TO THE SIZE OF
NICKELS...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED 6 MILES SOUTH OF KNAPP...OR ABOUT 6 MILES EAST OF SPRING
VALLEY...AND MOVING NORTHEAST AT 40 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE WHEELER...KNAPP AND
BOYCEVILLE. THIS INCLUDES INTERSTATE 94 BETWEEN THE DUNN AND SAINT
CROIX COUNTY LINE AND MENOMONIE.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
LAT...LON 4486 9224 4486 9214 4476 9214 4490 9192
4506 9187 4507 9198 4503 9210
$$000
WWUS53 KMPX 071743
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1243 PM CDT THU JUN 7 2007
WIC109-071753-
/O.CAN.KMPX.SV.W.0070.000000T0000Z-070607T1800Z/
ST. CROIX WI-
1243 PM CDT THU JUN 7 2007
...THE SEVERE THUNDERSTORM WARNING FOR ST. CROIX COUNTY IS
CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT THURSDAY EVENING
FOR WEST CENTRAL WISCONSIN.
LAT...LON 4503 9207 4487 9213 4484 9212 4490 9192
4494 9178 4502 9175 4512 9185 4507 9198
$$
WIC033-071800-
/O.CON.KMPX.SV.W.0070.000000T0000Z-070607T1800Z/
DUNN WI-
1243 PM CDT THU JUN 7 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 PM CDT
FOR DUNN COUNTY...
AT 1242 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 4 MILES SOUTHEAST OF
KNAPP...OR ABOUT 10 MILES SOUTH OF BOYCEVILLE...AND MOVING NORTHEAST
AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE WHEELER...TAINTER LAKE AND
KNAPP. INTERSTATE 94 JUST WEST OF MENOMONIE IS ALSO AFFECTED BY THIS
SEVERE THUNDERSTORM.
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
LAT...LON 4503 9207 4487 9213 4484 9212 4490 9192
4494 9178 4502 9175 4512 9185 4507 9198
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 3:26 AM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 34 min |
| Jun 7, 3:47 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Polk | 43 min |
| Jun 7, 3:56 AM CDT | Severe Thunderstorm Warning | MPX | Dunn | 34 min |
| Jun 7, 4:14 AM CDT | Wind Advisory | MPX | Barron, Chippewa, Dunn, Eau Claire, Pepin, Pierce and 3 more | 17 hr |
| Jun 7, 4:35 AM CDT | Severe Thunderstorm Warning | MPX | Rusk | 40 min |
| Jun 7, 11:33 AM CDT | Severe Thunderstorm Warning | MPX | Pierce | 57 min |
| Jun 7, 11:45 AM CDT | Tornado Warning | MPX | Pierce | 45 min |
| Jun 7, 12:48 PM CDT | Tornado Warning | MPX | Chippewa, Dunn | 42 min |
| Jun 7, 1:11 PM CDT | Severe Thunderstorm Warning | MPX | Barron | 25 min |
| Jun 7, 1:24 PM CDT | Tornado Warning | MPX | Chippewa, Rusk | 51 min |
| Jun 7, 1:56 PM CDT | Tornado Warning | MPX | Eau Claire | 34 min |
| Jun 7, 2:25 PM CDT | Tornado Warning | MPX | Eau Claire | 22 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.