Alert archive / Minnesota / Special Weather Statements in 2012

Special Weather Statement, NWS Twin Cities, MN

July 13, 2012Brown County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 13, 2012, 2:25 PM CDT for Brown County, Minnesota. It was in force for 50 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, 2:25 PM CDT (19:25 UTC)
Expired: Jul 13, 2012, 3:15 PM CDT
In force: 50 min
Issued by: NWS Twin Cities, MN

County Brown County, MN

The radar

The Minneapolis radar (KMPX), 103 km from the middle of the area, began a volume at 19:28 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, 7.4 hours before the alert went out and 100 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.

118 
WWUS83 KMPX 131925
SPSMPX

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

MNZ065-073>075-132015-
BROWN-NICOLLET-REDWOOD-RENVILLE-
225 PM CDT FRI JUL 13 2012

AT 220 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 5 MILES SOUTHEAST OF FRANKLIN. THIS STORM WAS MOVING
SOUTHEAST AT 10 MPH.

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

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  FAIRFAX.
  EVAN.
  SLEEPY EYE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4447 9499 4459 9481 4447 9462 4446 9462
      4446 9459 4440 9450 4425 9473
TIME...MOT...LOC 1925Z 315DEG 8KT 4446 9481

$$

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, 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, 5:39 PM CDT	Special Weather Statement	MPX	Renville	51 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.