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 18, 2012, 8:21 PM CDT for Redwood County, Minnesota. It was in force for 39 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 18, 2012, 8:21 PM CDT (01:21 UTC)
- Expired
- May 18, 2012, 9:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
County Redwood County, MN
The radar
The Sioux Falls radar (KFSD), 143 km from the middle of the area, began a volume at 01:22 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, 1.4 hours before the alert went out and 144 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
- 20 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 3382 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
025
WWUS83 KMPX 190121
SPSMPX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
821 PM CDT FRI MAY 18 2012
MNZ073-074-190200-
BROWN-REDWOOD-
821 PM CDT FRI MAY 18 2012
AT 818 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 4 MILES SOUTH OF LAMBERTON. THIS STORM WAS MOVING NORTH
AT 25 MPH.
HAIL UP TO DIME SIZE AND WINDS UP TO 50 MPH ARE EXPECTED WITH THIS
STORM.
* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
LAMBERTON.
WANDA.
WABASSO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
&&
LAT...LON 4420 9533 4452 9532 4452 9505 4419 9510
4419 9533
TIME...MOT...LOC 0121Z 192DEG 21KT 4419 9524
$$
CLFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 9:34 PM CDT | Special Weather Statement | MPX | Kandiyohi | 41 min |
| May 18, 9:45 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 45 min |
| May 18, 10:48 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 27 min |
| May 18, 11:13 PM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 47 min |
| May 18, 11:46 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 23 min |
| May 19, 4:38 PM CDT | Severe Thunderstorm Warning | MPX | Renville | 32 min |
| May 19, 5:17 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 58 min |
| May 19, 5:53 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Wright | 52 min |
| May 19, 6:17 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin | 43 min |
| May 19, 6:33 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Sherburne | 27 min |
| May 19, 6:36 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Dakota, Hennepin, Ramsey, Washington | 54 min |
| May 19, 6:54 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Isanti | 38 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.