Alert archive / Minnesota / Special Weather Statements in 2012

Special Weather Statement, NWS Twin Cities, MN

March 25, 2012Brown County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Mar 25, 2012, 9:46 PM CDT for Brown County, Minnesota. It was in force for 59 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
Mar 25, 2012, 9:46 PM CDT (02:46 UTC)
Expired
Mar 25, 2012, 10:45 PM CDT
In force
59 min
Issued by
NWS Twin Cities, MN

County Brown County, MN

The radar

The Minneapolis radar (KMPX), 104 km from the middle of the area, began a volume at 02:47 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, 2.8 hours before the alert went out and 101 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-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2012-03-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2012-03-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2578 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

701 
WWUS83 KMPX 260246
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
946 PM CDT SUN MAR 25 2012

MNZ065-073>075-260345-
BROWN-NICOLLET-REDWOOD-RENVILLE-
946 PM CDT SUN MAR 25 2012

AT 943 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG 
THUNDERSTORM NEAR CLEMENTS WHICH IS ABOUT 10 MILES SOUTH OF REDWOOD 
FALLS. . THIS STORM WAS MOVING EAST TO SOUTHEAST AT 30 MPH.

ONE HALF INCH DIAMETER HAIL IS EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  CLEMENTS.
  MORGAN.
  EVAN.
  SLEEPY EYE.
  ST GEORGE.
  NEW ULM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

LAT...LON 4416 9449 4433 9520 4453 9516 4447 9462
      4446 9462 4446 9457 4444 9439
TIME...MOT...LOC 0245Z 280DEG 27KT 4440 9505

$$

BAP

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 8:41 PM CDTSpecial Weather StatementMPXRedwood49 min
Mar 26, 3:58 AM CDTWind AdvisoryMPXBrown, Chippewa, Douglas, Kandiyohi, Lac qui Parle, Martin and 7 more39 hr
Mar 26, 1:30 PM CDTFire Weather WatchMPXBlue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 7 more14 hr
Mar 26, 2:19 PM CDTWind AdvisoryMPXAnoka, Benton, Blue Earth, Carver, Chisago, Dakota and 23 more29 hr

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.