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 1, 2012, 7:44 PM CDT for 4 counties in Minnesota. It was in force for 61 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 1, 2012, 7:44 PM CDT (00:44 UTC)
- Expired
- Aug 1, 2012, 8:45 PM CDT
- In force
- 61 min
- Issued by
- NWS Twin Cities, MN
Counties Blue Earth County, MN, Nicollet County, MN, Sibley County, MN, Watonwan County, MN
The radar
The Minneapolis radar (KMPX), 93 km from the middle of the area, began a volume at 00:43 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, 0.7 hours before the alert went out and 91 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
- 2247 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1724 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
616
WWUS83 KMPX 020044
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
744 PM CDT WED AUG 1 2012
MNZ067-074>076-082-083-020145-
BLUE EARTH-BROWN-LE SUEUR-NICOLLET-SIBLEY-WATONWAN-
744 PM CDT WED AUG 1 2012
AT 743 PM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF
WINTHROP TO 6 MILES NORTHWEST OF HANSKA TO 8 MILES EAST OF JEFFERS.
THESE STORMS WERE MOVING EAST AT 30 MPH.
ONE HALF INCH DIAMETER HAIL AND WINDS UP TO 50 MPH ARE EXPECTED WITH
THESE STORMS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS THUNDERSTORM COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A
WARNING IS ISSUED.
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 4393 9487 4410 9487 4411 9499 4421 9472
4463 9451 4463 9382 4459 9389 4454 9391
4454 9382 4405 9400 4386 9455
TIME...MOT...LOC 0044Z 286DEG 25KT 4461 9441 4418 9459
4403 9503
$$
JLTThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:08 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 37 min |
| Aug 1, 8:48 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Scott | 20 min |
| Aug 1, 9:19 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice | 41 min |
| Aug 1, 11:24 PM CDT | Special Weather Statement | MPX | Chippewa | 66 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.