Alert archive / Minnesota / Special Weather Statements in 2012

Special Weather Statement, NWS Twin Cities, MN

July 13, 2012Renville County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 13, 2012, 5:39 PM CDT for Renville County, Minnesota. It was in force for 51 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: Jul 13, 2012, 5:39 PM CDT (22:39 UTC)
Expired: Jul 13, 2012, 6:30 PM CDT
In force: 51 min
Issued by: NWS Twin Cities, MN

County Renville County, MN

The radar

The Minneapolis radar (KMPX), 87 km from the middle of the area, began a volume at 22:39 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, 10.7 hours before the alert went out and 84 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: 420 J/kg
Mixed-layer CIN: -186 J/kg
Mixed-layer LCL: 1382 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 259 m²/s²
0-3 km storm-relative helicity: 273 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

824 
WWUS83 KMPX 132239
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
539 PM CDT FRI JUL 13 2012

MNZ065-067-132330-
RENVILLE-SIBLEY-
539 PM CDT FRI JUL 13 2012

...THUNDERSTORMS MOVING EASTERN RENVILLE AND NORTHWEST SIBLEY
COUNTIES THROUGH 630 PM CDT...

AT 535 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM NEAR BUFFALO LAKE. THIS STORM WAS MOVING EAST AT 15 MPH.

HAIL UP TO NICKEL SIZE AND WINDS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  HECTOR.
  BUFFALO LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4469 9481 4483 9478 4479 9449 4465 9449
      4462 9452
TIME...MOT...LOC 2239Z 285DEG 10KT 4473 9461

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 7:50 PM CDT	Special Weather Statement	MPX	Pope, Stevens	40 min
Jul 12, 9:14 PM CDT	Special Weather Statement	MPX	Douglas	46 min
Jul 12, 9:44 PM CDT	Special Weather Statement	MPX	Big Stone	46 min
Jul 12, 10:01 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	29 min
Jul 12, 10:25 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Swift	35 min
Jul 13, 8:59 AM CDT	Special Weather Statement	MPX	Rice	46 min
Jul 13, 9:18 AM CDT	Special Weather Statement	MPX	Goodhue	57 min
Jul 13, 1:04 PM CDT	Special Weather Statement	MPX	Morrison	41 min
Jul 13, 1:05 PM CDT	Special Weather Statement	MPX	Yellow Medicine	40 min
Jul 13, 1:09 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	38 min
Jul 13, 1:30 PM CDT	Special Weather Statement	MPX	Renville	45 min
Jul 13, 2:00 PM CDT	Special Weather Statement	MPX	Meeker	45 min
Jul 13, 2:22 PM CDT	Special Weather Statement	MPX	Morrison	38 min
Jul 13, 2:25 PM CDT	Special Weather Statement	MPX	Brown	50 min
Jul 13, 3:02 PM CDT	Special Weather Statement	MPX	Meeker	58 min
Jul 13, 3:20 PM CDT	Special Weather Statement	MPX	Kanabec, Mille Lacs	40 min
Jul 13, 3:48 PM CDT	Special Weather Statement	MPX	Watonwan	42 min
Jul 13, 4:02 PM CDT	Special Weather Statement	MPX	Isanti, Kanabec	43 min
Jul 13, 4:08 PM CDT	Special Weather Statement	MPX	Hennepin	37 min
Jul 13, 4:13 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Wright	62 min
Jul 13, 4:17 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	28 min
Jul 13, 4:39 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	41 min
Jul 13, 5:08 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	52 min
Jul 13, 5:18 PM CDT	Special Weather Statement	MPX	Rice	42 min
Jul 13, 5:26 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	49 min
Jul 13, 5:39 PM CDT	Areal Flood Advisory	MPX	Dakota, Hennepin, Ramsey, Washington	52 min
Jul 13, 5:41 PM CDT	Special Weather Statement	MPX	Martin	49 min
Jul 13, 5:49 PM CDT	Special Weather Statement	MPX	Dakota	41 min
Jul 13, 5:52 PM CDT	Special Weather Statement	MPX	Waseca	23 min
Jul 13, 5:54 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Washington	33 min
Jul 13, 6:08 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue	52 min
Jul 13, 6:20 PM CDT	Special Weather Statement	MPX	Rice	25 min
Jul 13, 6:22 PM CDT	Special Weather Statement	MPX	Steele	23 min
Jul 13, 6:33 PM CDT	Special Weather Statement	MPX	Faribault	42 min
Jul 13, 6:45 PM CDT	Special Weather Statement	MPX	Freeborn	45 min
Jul 13, 1:15 PM CDT	Special Weather Statement	MPX	Barron, Chippewa, Eau Claire	45 min
Jul 13, 5:38 PM CDT	Special Weather Statement	MPX	Polk, Saint Croix	67 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.