Alert archive / Minnesota / Special Weather Statements in 2009

Special Weather Statement, NWS Twin Cities, MN

May 15, 20094 counties in Minnesota

NWS Twin Cities, MN issued this special weather statement at May 15, 2009, 2:08 PM CDT for 4 counties in Minnesota. It was in force for 67 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
May 15, 2009, 2:08 PM CDT (19:08 UTC)
Expired
May 15, 2009, 3:15 PM CDT
In force
67 min
Issued by
NWS Twin Cities, MN

Counties Kandiyohi County, MN, Meeker County, MN, Morrison County, MN, Stearns County, MN

The radar

The Minneapolis radar (KMPX), 105 km from the middle of the area, began a volume at 19:08 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, 7.1 hours before the alert went out and 104 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 12:00Z on 2009-05-15Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2009-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 square meters per square second.1939587897117Sfc1 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
1057 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
70 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.

000 
WWUS83 KMPX 151908
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
208 PM CDT FRI MAY 15 2009

MNZ042>044-049>051-056>059-152015-
BENTON-CHIPPEWA-KANDIYOHI-MEEKER-MILLE
LACS-MORRISON-SHERBURNE-STEARNS-TODD-WRIGHT-
208 PM CDT FRI MAY 15 2009

...THUNDERSTORMS MOVING INTO/DEVELOPING OVER BENTON...CHIPPEWA...
KANDIYOHI...MEEKER...MILLE LACS...MORRISON...SHERBURNE...STEARNS...
TODD AND WRIGHT COUNTIES THROUGH 315 PM CDT...

AT 204 PM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM LITTLE FALLS TO 3 MILES
NORTH OF GEORGEVILLE TO 3 MILES WEST OF KANDIYOHI. THESE STORMS WERE 
MOVING EAST NORTHEAST AT 35 MPH.

HAIL UP TO DIME SIZE AND WINDS UP TO 40 MPH ARE EXPECTED WITH THESE
STORMS.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  ST CLOUD.
  ROYALTON.
  LITCHFIELD.  
  ELMDALE.
  SPRING HILL.
  HAWICK.
  BOWLUS.
  STROUT.
  LASTRUP.

LAT...LON 4622 9347 4570 9403 4500 9418 4493 9525
      4544 9511 4606 9443
TIME...MOT...LOC 1907Z 249DEG 32KT 4597 9433 4549 9490
          4516 9495

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 3:18 PM CDTSpecial Weather StatementMPXKandiyohi42 min
May 15, 3:24 PM CDTSpecial Weather StatementMPXBenton66 min
May 15, 4:26 PM CDTSpecial Weather StatementMPXSherburne49 min
May 15, 5:17 PM CDTSpecial Weather StatementMPXCarver, Le Sueur, Scott43 min

Nearby

Special Weather Statements in Minnesota, 2009Every special weather statement in 2009

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.