Alert archive / Minnesota / Special Weather Statements in 2012

Special Weather Statement, NWS Twin Cities, MN

June 19, 2012Todd County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 19, 2012, 7:30 PM CDT for Todd County, Minnesota. It was in force for 30 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: Jun 19, 2012, 7:30 PM CDT (00:30 UTC)
Expired: Jun 19, 2012, 8:00 PM CDT
In force: 30 min
Issued by: NWS Twin Cities, MN

County Todd County, MN

The radar

The Minneapolis radar (KMPX), 197 km from the middle of the area, began a volume at 00:32 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, 0.5 hours before the alert went out and 195 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 3249 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1302 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 212 m²/s²
0-3 km storm-relative helicity: 356 m²/s²
Significant tornado parameter: 4.4
Supercell composite: 29.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

045 
WWUS83 KMPX 200030
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
730 PM CDT TUE JUN 19 2012

MNZ042-200100-
TODD-
730 PM CDT TUE JUN 19 2012

AT 728 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 7 MILES NORTHEAST OF PARKERS PRAIRIE. THIS STORM WAS
MOVING NORTHEAST AT 45 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...
  HEWITT.
  STAPLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS THUNDERSTORM COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A
WARNING IS ISSUED.

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA.

&&

LAT...LON 4612 9514 4613 9515 4631 9517 4636 9516
      4637 9515 4638 9475
TIME...MOT...LOC 0030Z 225DEG 40KT 4622 9519

$$

JLT

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 19, 8:01 PM CDT	Special Weather Statement	MPX	Chippewa	44 min
Jun 19, 8:05 PM CDT	Areal Flood Advisory	MPX	Douglas, Pope, Stearns, Stevens, Todd	6 hr
Jun 19, 8:19 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Swift	40 min
Jun 19, 9:20 PM CDT	River Flood Warning	MPX	Hennepin, Wright	4 days
Jun 19, 10:59 PM CDT	Special Weather Statement	MPX	Todd	46 min
Jun 20, 12:10 AM CDT	Special Weather Statement	MPX	Todd	50 min
Jun 20, 3:32 AM CDT	Special Weather Statement	MPX	Swift	43 min
Jun 20, 4:35 AM CDT	Special Weather Statement	MPX	Todd	25 min
Jun 20, 4:37 AM CDT	Special Weather Statement	MPX	Todd	38 min
Jun 20, 9:43 AM CDT	Special Weather Statement	MPX	Chisago, Isanti, Kanabec, Mille Lacs	47 min
Jun 20, 9:55 AM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs	35 min
Jun 20, 11:29 AM CDT	River Flood Warning	MPX	Benton, Sherburne, Stearns	6 days
Jun 20, 3:24 PM CDT	Flash Flood Warning	MPX	Dakota, Goodhue, Rice	4 hr
Jun 20, 3:37 PM CDT	Areal Flood Advisory	MPX	Blue Earth, Faribault, Freeborn, Goodhue, Le Sueur, Rice and 2 more	4 hr
Jun 20, 3:55 PM CDT	Areal Flood Advisory	MPX	Barron, Dunn, Pepin, Pierce, Polk, Rusk and 1 more	4 hr
Jun 20, 4:08 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pepin, Pierce, Saint Croix	52 min
Jun 20, 4:34 PM CDT	Areal Flood Advisory	MPX	Chippewa, Eau Claire, Rusk	3 hr
Jun 20, 4:46 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn, Eau Claire	44 min
Jun 20, 5:03 PM CDT	Special Weather Statement	MPX	Rusk	42 min
Jun 20, 5:11 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Rusk	34 min
Jun 20, 5:31 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Eau Claire	44 min

Nearby

Special Weather Statements in Minnesota, 2012 Every 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.