Alert archive / Wisconsin / Special Weather Statements in 2012
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Aug 9, 2012, 3:06 PM CDT for Chippewa County, Dunn County, Wisconsin. It was in force for 39 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
- Aug 9, 2012, 3:06 PM CDT (20:06 UTC)
- Expired
- Aug 9, 2012, 3:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
Counties Chippewa County, WI, Dunn County, WI
The radar
The La Crosse radar (KARX), 133 km from the middle of the area, began a volume at 20:06 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.1 hours before the alert went out and 172 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 921 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -74 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
043
WWUS83 KMPX 092006
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
306 PM CDT THU AUG 9 2012
WIZ016-023>025-027-028-092045-
CHIPPEWA-DUNN-EAU CLAIRE-PIERCE-RUSK-ST. CROIX-
306 PM CDT THU AUG 9 2012
...THUNDERSTORMS MOVING INTO/DEVELOPING OVER CHIPPEWA...DUNN...EAU
CLAIRE...PIERCE...RUSK AND ST. CROIX COUNTIES THROUGH 345 PM CDT...
AT 304 PM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES EAST OF JUMP RIVER
TO BLOOMER TO HAMMOND. THESE STORMS WERE MOVING SOUTH AT 30 MPH.
HAIL UP TO DIME SIZE AND WINDS UP TO 30 MPH ARE EXPECTED WITH THESE
STORMS.
* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
CORNELL.
HERSEY.
JIM FALLS.
SPRING VALLEY.
BATEMAN.
LAKE HALLIE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
&&
LAT...LON 4481 9130 4475 9224 4503 9240 4516 9147
4531 9092 4530 9092 4491 9091
TIME...MOT...LOC 2006Z 345DEG 24KT 4529 9058 4508 9144
4495 9246
$$
CLFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 1:59 PM CDT | Special Weather Statement | MPX | Wabasha | 31 min |
| Aug 9, 4:07 PM CDT | Special Weather Statement | MPX | Goodhue | 53 min |
| Aug 9, 1:34 PM CDT | Special Weather Statement | MPX | Barron, Rusk | 56 min |
Nearby
Special Weather Statements in Wisconsin, 2012Every special weather statement in 2012
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.