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 Mar 19, 2012, 9:14 PM CDT for Chisago County, Minnesota; Polk County, Saint Croix County, Wisconsin. It was in force for 46 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
- Mar 19, 2012, 9:14 PM CDT (02:14 UTC)
- Expired
- Mar 19, 2012, 10:00 PM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
Counties Chisago County, MN, Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 100 km from the middle of the area, began a volume at 02:17 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 00:00Z, 2.2 hours before the alert went out and 102 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
- 735 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1071 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
442
WWUS83 KMPX 200214
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
914 PM CDT MON MAR 19 2012
MNZ053-063-WIZ014-023-200300-
CHISAGO-POLK-ST. CROIX-WASHINGTON-
914 PM CDT MON MAR 19 2012
...THUNDERSTORMS MOVING INTO CHISAGO...POLK...ST. CROIX AND
WASHINGTON COUNTIES THROUGH 1000 PM CDT...
AT 912 PM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM WYOMING TO 3 MILES EAST OF
MARINE ON ST CROIX TO 4 MILES SOUTHWEST OF HAMMOND. THESE STORMS WERE
MOVING NORTH AT 55 MPH.
WINDS UP TO 50 MPH AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE
STORMS.
* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
BOARDMAN.
STACY.
CYLON.
BRANCH.
HARRIS.
RUSH CITY.
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 4573 9232 4556 9217 4486 9243 4487 9254
4510 9275 4522 9302 4556 9303 4574 9297
4573 9285 4565 9287 4565 9254 4574 9252
TIME...MOT...LOC 0213Z 195DEG 48KT 4532 9299 4520 9271
4495 9249
$$
JPCThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 19, 7:12 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Carver, Hennepin, Scott, Wright | 33 min |
| Mar 19, 7:37 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Isanti, Mille Lacs, Sherburne, Wright | 38 min |
| Mar 19, 8:22 PM CDT | Special Weather Statement | MPX | Dakota, Goodhue, Ramsey, Washington | 38 min |
| Mar 19, 10:30 PM CDT | Special Weather Statement | MPX | Barron, Chippewa, Rusk | 45 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.