Alert archive / Minnesota / Special Weather Statements in 2011

Special Weather Statement, NWS Twin Cities, MN

June 21, 2011Rice County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 21, 2011, 2:08 AM CDT for Rice County, Minnesota. It was in force for 52 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 21, 2011, 2:08 AM CDT (07:08 UTC)
Expired
Jun 21, 2011, 3:00 AM CDT
In force
52 min
Issued by
NWS Twin Cities, MN

County Rice County, MN

The radar

The Minneapolis radar (KMPX), 82 km from the middle of the area, began a volume at 07:09 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, 7.1 hours before the alert went out and 83 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 2011-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.193958Sfc1 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
979 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
104 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.

418 
WWUS83 KMPX 210708
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
208 AM CDT TUE JUN 21 2011

MNZ069-070-076>078-084-085-210800-
DAKOTA-GOODHUE-LE SUEUR-RICE-SCOTT-STEELE-WASECA-
208 AM CDT TUE JUN 21 2011

...THUNDERSTORMS MOVING INTO...GOODHUE...LE SUEUR...RICE...
STEELE AND WASECA COUNTIES THROUGH 300 AM CDT...

AT 200 AM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES SOUTHWEST OF
MORRISTOWN TO OSLO. THESE STORMS WERE MOVING NORTHEAST AT 25 MPH.

WINDS UP TO 40 MPH AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE
STORMS.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  DEERFIELD.
  MEDFORD.
  WARSAW.
  FARIBAULT.
  RUSKIN.
  KENYON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A QUICK INCH OF RAIN IS POSSIBLE FROM THESE THUNDERSTORMS. THIS MAY 
RESULT IN BRIEF RUNOFF PROBLEMS AND PONDING OF WATER ON AREA 
ROADWAYS.

&&

LAT...LON 4419 9366 4457 9332 4425 9254 4420 9254
      4419 9256 4419 9303 4395 9305
TIME...MOT...LOC 0705Z 217DEG 20KT 4423 9347 4391 9269

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 9:58 PM CDTRiver Flood WatchMPXChippewa, Lac qui Parle, Yellow Medicine47 hr
Jun 20, 9:58 PM CDTRiver Flood WatchMPXLe Sueur, Scott, Sibley24 hr
Jun 20, 9:58 PM CDTRiver Flood WatchMPXCarver66 hr
Jun 20, 10:09 PM CDTRiver Flood WarningMPXRedwood70 hr
Jun 20, 11:11 PM CDTSpecial Weather StatementMPXMartin49 min
Jun 20, 11:57 PM CDTSpecial Weather StatementMPXBlue Earth, Faribault, Martin48 min
Jun 21, 12:32 AM CDTSpecial Weather StatementMPXFaribault, Freeborn, Steele, Waseca58 min
Jun 21, 3:19 AM CDTAreal Flood AdvisoryMPXDakota, Goodhue, Hennepin, Ramsey, Washington105 min
Jun 21, 11:15 AM CDTRiver Flood WarningMPXLe Sueur, Scott, Sibley72 hr
Jun 21, 11:15 AM CDTRiver Flood WarningMPXDakota, Hennepin, Scott13 days
Jun 21, 1:46 PM CDTTornado WarningMPXDakota, Goodhue29 min
Jun 21, 1:50 PM CDTTornado WarningMPXKandiyohi25 min
Jun 21, 2:21 PM CDTTornado WarningMPXDakota, Washington24 min
Jun 21, 3:13 PM CDTTornado WarningMPXAnoka, Hennepin, Ramsey32 min
Jun 21, 4:42 PM CDTAreal Flood AdvisoryMPXBenton, Sherburne, Stearns, Wright3 hr
Jun 21, 4:13 AM CDTAreal Flood AdvisoryMPXChippewa, Dunn, Eau Claire, Pepin119 min

Nearby

Special Weather Statements in Minnesota, 2011Every special weather statement in 2011

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.