Alert archive / Minnesota / Special Weather Statements in 2012
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Aug 22, 2012, 3:11 PM CDT for 5 counties in Minnesota. It was in force for 79 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 22, 2012, 3:11 PM CDT (20:11 UTC)
- Expired
- Aug 22, 2012, 4:30 PM CDT
- In force
- 79 min
- Issued by
- NWS Twin Cities, MN
Counties Anoka County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Washington County, MN
The radar
The Minneapolis radar (KMPX), 37 km from the middle of the area, began a volume at 20:13 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, 8.2 hours before the alert went out and 40 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
- 2248 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
660
WWUS83 KMPX 222011
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
311 PM CDT WED AUG 22 2012
MNZ051>053-059>063-068>070-077-078-WIZ023-024-222130-
ANOKA-CARVER-CHISAGO-DAKOTA-GOODHUE-HENNEPIN-ISANTI-PIERCE-RAMSEY-
RICE-SCOTT-SHERBURNE-ST. CROIX-WASHINGTON-WRIGHT-
311 PM CDT WED AUG 22 2012
...THUNDERSTORMS MOVING THROUGH EAST CENTRAL MINNESOTA INTO WEST
CENTRAL WISCONSIN...
AT 304 PM CDT...WEATHER SERVICE RADAR WAS TRACKING
THUNDERSTORMS...SOME STRONG... ALONG A LINE EXTENDING FROM 3 MILES
SOUTHWEST OF ELK RIVER...TO MINNEAPOLIS AND RED WING. THESE STORMS
WERE MOVING EAST AT 20 MPH.
PEA SIZE HAIL AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE STORMS.
* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
ST PAUL.
MINNEAPOLIS.
ANOKA.
BURNSVILLE.
WHITE BEAR LAKE.
HASTINGS.
FOREST LAKE.
EAST BETHEL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 4553 9312 4486 9268 4445 9227 4451 9330
4482 9353 4528 9398
TIME...MOT...LOC 2009Z 281DEG 19KT 4529 9357 4493 9317
4457 9260
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 12:07 PM CDT | Special Weather Statement | MPX | Carver, McLeod | 53 min |
| Aug 22, 1:06 PM CDT | Special Weather Statement | MPX | Carver, Hennepin, Scott, Wright | 54 min |
| Aug 22, 1:13 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Wright | 47 min |
| Aug 22, 2:01 PM CDT | Special Weather Statement | MPX | Hennepin, Sherburne | 59 min |
| Aug 22, 3:07 PM CDT | Special Weather Statement | MPX | Benton, Isanti, Mille Lacs, Morrison, Sherburne | 38 min |
| Aug 22, 3:22 PM CDT | Special Weather Statement | MPX | McLeod, Meeker | 53 min |
Nearby
Special 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.