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 May 4, 2012, 4:07 PM CDT for Blue Earth County, Waseca County, Watonwan County, Minnesota. It was in force for 38 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
- May 4, 2012, 4:07 PM CDT (21:07 UTC)
- Expired
- May 4, 2012, 4:45 PM CDT
- In force
- 38 min
- Issued by
- NWS Twin Cities, MN
Counties Blue Earth County, MN, Waseca County, MN, Watonwan County, MN
The radar
The Minneapolis radar (KMPX), 111 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 110 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
- 1101 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
541
WWUS83 KMPX 042107
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
407 PM CDT FRI MAY 4 2012
MNZ082>084-091-042145-
BLUE EARTH-MARTIN-WASECA-WATONWAN-
407 PM CDT FRI MAY 4 2012
AT 403 PM CDT...WEATHER SERVICE RADAR WAS TRACKING SEVERAL STRONG
THUNDERSTORMS SOUTH OF EAST OF NEW ULM TO MANKATO. THESE STORMS
WERE MOVING EAST AT 35 MPH.
ONE HALF INCH DIAMETER HAIL AND WINDS UP TO 40 MPH ARE EXPECTED WITH
THESE STORMS. IN ADDITION...VERY HEAVY RAINFALL WILL PRODUCE
LOCALIZED FLOODING...ESPECIALLY POOR DRAINAGE AREAS.
* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
LEWISVILLE.
AMBOY.
VERNON CENTER.
GOOD THUNDER.
MAPLETON.
ST CLAIR.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE AREA.
&&
LAT...LON 4384 9485 4410 9485 4411 9468 4411 9437
4414 9436 4420 9346 4386 9341
TIME...MOT...LOC 2105Z 254DEG 28KT 4392 9436
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:00 PM CDT | Special Weather Statement | MPX | Goodhue | 30 min |
| May 4, 2:07 PM CDT | Special Weather Statement | MPX | Redwood | 38 min |
| May 4, 2:33 PM CDT | Special Weather Statement | MPX | Blue Earth, Martin, Watonwan | 57 min |
| May 4, 3:10 PM CDT | Tornado Warning | MPX | Martin | 35 min |
| May 4, 3:40 PM CDT | Tornado Warning | MPX | Martin | 50 min |
| May 4, 4:22 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 38 min |
| May 4, 4:32 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 13 min |
| May 4, 5:00 PM CDT | Special Weather Statement | MPX | Faribault | 45 min |
| May 4, 5:41 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 49 min |
| May 4, 5:52 PM CDT | Tornado Warning | MPX | Faribault, Freeborn | 23 min |
| May 4, 6:15 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 45 min |
| May 4, 6:21 PM CDT | Tornado Warning | MPX | Freeborn | 24 min |
| May 4, 6:24 PM CDT | Areal Flood Advisory | MPX | Blue Earth, Faribault, Martin, Watonwan | 3 hr |
| May 3, 7:16 PM CDT | Special Weather Statement | MPX | Pierce | 29 min |
| May 3, 7:47 PM CDT | Special Weather Statement | MPX | Pepin | 28 min |
| May 3, 8:08 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire, Pepin | 22 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.