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, 4:07 PM CDT for Goodhue County, Minnesota; Eau Claire County, Pepin County, Wisconsin. It was in force for 53 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, 4:07 PM CDT (21:07 UTC)
- Expired
- Aug 9, 2012, 5:00 PM CDT
- In force
- 53 min
- Issued by
- NWS Twin Cities, MN
Counties Goodhue County, MN, Eau Claire County, WI, Pepin County, WI
The radar
The La Crosse radar (KARX), 104 km from the middle of the area, began a volume at 21:07 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, 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
- 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.
142
WWUS83 KMPX 092107
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
407 PM CDT THU AUG 9 2012
MNZ078-WIZ024>028-092200-
CHIPPEWA-DUNN-EAU CLAIRE-GOODHUE-PEPIN-PIERCE-
407 PM CDT THU AUG 9 2012
...THUNDERSTORMS MOVING OVER CHIPPEWA...DUNN...EAU CLAIRE...
GOODHUE...PEPIN AND PIERCE COUNTIES THROUGH 500 PM CDT...
AT 400 PM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM STANLEY TO HAGER CITY.
THESE STORMS WERE MOVING SOUTH AT 25 MPH.
HAIL UP TO NICKEL SIZE AND WINDS UP TO 40 MPH ARE EXPECTED WITH THESE
STORMS.
* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
EAU GALLE.
EAU CLAIRE.
AUGUSTA.
ROCK FALLS.
DURAND.
RED WING.
MAIDEN ROCK.
LUDINGTON.
PORCUPINE.
ELLA.
ALLEN.
GOODHUE.
ZUMBROTA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.
&&
LAT...LON 4459 9092 4459 9201 4440 9209 4445 9225
4445 9242 4437 9242 4435 9254 4419 9256
4419 9294 4438 9298 4464 9266 4501 9091
TIME...MOT...LOC 2105Z 355DEG 23KT 4493 9089 4457 9252
$$
JPCThe 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, 1:34 PM CDT | Special Weather Statement | MPX | Barron, Rusk | 56 min |
| Aug 9, 3:06 PM CDT | Special Weather Statement | MPX | Chippewa, Dunn | 39 min |
Nearby
Special Weather Statements in Wisconsin, 2012Special Weather Statements in Minnesota, 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.