Alert archive / Minnesota / Special Weather Statements in 2009

Special Weather Statement, NWS Twin Cities, MN

June 23, 2009Morrison County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 23, 2009, 2:06 PM CDT for Morrison County, Minnesota. It was in force for 24 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 23, 2009, 2:06 PM CDT (19:06 UTC)
Expired: Jun 23, 2009, 2:30 PM CDT
In force: 24 min
Issued by: NWS Twin Cities, MN

County Morrison County, MN

The radar

The Minneapolis radar (KMPX), 174 km from the middle of the area, began a volume at 19:09 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 12:00Z, 7.1 hours before the alert went out and 173 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: 45 J/kg
Mixed-layer CIN: -205 J/kg
Mixed-layer LCL: 2073 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 65 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.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Jun 23, 12:58 PM CDT, 1 hour 8 minutes earlier.

Area forecast discussion, Jun 23, 12:58 PM CDT, 1 hour 8 minutes before

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Hazardous weather outlook, Jun 23, 11:56 AM CDT, 2 hours 10 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1156 AM CDT TUE JUN 23 2009

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
241100-
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-
BENTON-SHERBURNE-ISANTI-CHISAGO-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-
YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA-
REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-
WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK-
ST. CROIX-PIERCE-DUNN-PEPIN-EAU CLAIRE-
1156 AM CDT TUE JUN 23 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTHERN MINNESOTA...AND WEST CENTRAL WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL MOVE ACROSS PARTS OF THE MINNESOTA
OUTLOOK AREA THIS AFTERNOON...ESPECIALLY OVER CENTRAL AND SOUTH CENTRAL
AREAS OF MINNESOTA. THERE IS A CHANCE OF SEVERE THUNDERSTORMS OVER
THESE AREAS. THE MAIN SEVERE WEATHER THREATS WILL BE STRONG
WINDS...HEAVY RAIN AND SOME HAIL. AN ISOLATED TORNADO SHOULD NOT BE
RULED OUT. STRONG THUNDERSTORMS COULD MOVE INTO WEST CENTRAL
WISCONSIN DURING THE EVENING...BUT THE THREAT DOES NOT APPEAR
GREAT AT THIS TIME. FINALLY...THE HEAT INDEX WILL REACH NEAR 100
DEGREES OVER PARTS OF SOUTHERN MINNESOTA THIS AFTERNOON INTO THIS
EVENING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THUNDERSTORM CHANCES WILL CONTINUE INTO WEDNESDAY NIGHT...AND
AGAIN FRIDAY INTO SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL BE NEEDED IN SOUTH CENTRAL MINNESOTA.

In the hours before

Local storm report, Jun 23, 1:02 PM CDT, 1 hour 4 minutes before

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Local storm report, Jun 23, 1:10 PM CDT, 56 minutes before

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Special weather statement, Jun 23, 1:48 PM CDT, 18 minutes before

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Local storm report, Jun 23, 1:55 PM CDT, 11 minutes before

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Local storm report, Jun 23, 2:02 PM CDT, 4 minutes before

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Special weather statement, Jun 23, 2:06 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
206 PM CDT TUE JUN 23 2009

MNZ043-231930-
MORRISON-
206 PM CDT TUE JUN 23 2009

...THUNDERSTORMS MOVING OVER FAR NORTHERN MORRISON COUNTY THROUGH
230 PM CDT...

AT 205 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 5 MILES SOUTH OF PILLAGER. THIS STORM WAS MOVING
NORTHEAST AT 25 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...
  CUSHING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE
STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE AREA UNTIL 6
PM CDT.

&&

LAT...LON 4633 9440 4629 9434 4626 9434 4623 9439
      4619 9437 4614 9455 4631 9465 4633 9458
      4631 9455 4632 9449 4634 9446
TIME...MOT...LOC 1905Z 247DEG 21KT 4626 9448

TRH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 3:47 AM CDT	Excessive Heat Warning	MPX	Hennepin, Ramsey	12 hr
Jun 23, 3:47 AM CDT	Heat Advisory	MPX	Anoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 22 more	12 hr
Jun 23, 12:13 PM CDT	Special Weather Statement	MPX	Brown, Martin, Watonwan	77 min
Jun 23, 12:29 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Martin, Watonwan	61 min
Jun 23, 12:56 PM CDT	Special Weather Statement	MPX	Blue Earth, Nicollet, Sibley	64 min
Jun 23, 1:03 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Nicollet, Sibley	57 min
Jun 23, 1:48 PM CDT	Special Weather Statement	MPX	Freeborn, Le Sueur, Rice, Scott, Steele, Waseca	72 min
Jun 23, 2:22 PM CDT	Special Weather Statement	MPX	Morrison	53 min
Jun 23, 2:45 PM CDT	Special Weather Statement	MPX	Morrison	60 min
Jun 23, 2:57 PM CDT	Special Weather Statement	MPX	Freeborn, Steele	48 min
Jun 23, 3:14 PM CDT	Special Weather Statement	MPX	Freeborn	46 min
Jun 23, 4:29 PM CDT	Special Weather Statement	MPX	Pepin, Pierce	61 min

Nearby

Special Weather Statements in Minnesota, 2009 Every 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.