Alert archive / Minnesota / Special Weather Statements in 2010

Special Weather Statement, NWS Twin Cities, MN

September 22, 2010Faribault County, Freeborn County, Steele County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Sep 22, 2010, 3:16 PM CDT for Faribault County, Freeborn County, Steele County, Minnesota. It was in force for 44 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
Sep 22, 2010, 3:16 PM CDT (20:16 UTC)
Expired
Sep 22, 2010, 4:00 PM CDT
In force
44 min
Issued by
NWS Twin Cities, MN

Counties Faribault County, MN, Freeborn County, MN, Steele County, MN

The radar

The Minneapolis radar (KMPX), 114 km from the middle of the area, began a volume at 20:18 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, 8.3 hours before the alert went out and 114 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 2010-09-22Temperature 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 12:00Z on 2010-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
1121 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
40 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 Sep 22, 12:13 PM CDT, 3 hours 3 minutes earlier.

Area forecast discussion, Sep 22, 12:13 PM CDT, 3 hours 3 minutes before
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Hazardous weather outlook, Sep 22, 5:02 AM CDT, 10 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
502 AM CDT WED SEP 22 2010

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
231015-
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-
502 AM CDT WED SEP 22 2010

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

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR LATE THIS
AFTERNOON INTO TONIGHT FOR LOCATIONS ALONG AND SOUTHWEST OF AN EAU
CLAIRE...TO ST. CLOUD...TO ALEXANDRIA LINE. THE PRIMARY THREATS
WITH THIS ACTIVITY WILL BE FROM LARGE HAIL AND DAMAGING
WINDS...THOUGH THERE IS THE CHANCE FOR AN ISOLATED TORNADO IN SOUTH
CENTRAL MINNESOTA DURING THE LATE AFTERNOON AND EARLY EVENING. IN
ADDITION TO THE SEVERE THREAT...VERY HEAVY RAIN IS EXPECTED TO
FALL ACROSS CENTRAL MINNESOTA INTO WEST CENTRAL WISCONSIN THAT
WILL POSE A THREAT FOR FLOODING. THUNDERSTORMS WILL BE SPREADING
ACROSS THE ENTIRE OUTLOOK AREA AHEAD OF A WARM FRONT THAT WILL BE
LIFTING NORTH ACROSS IOWA TODAY AND WILL BE SETTLING INTO
MINNESOTA AND WEST CENTRAL WISCONSIN TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THUNDERSTORMS WILL CONTINUE ACROSS THE OUTLOOK AREA INTO THURSDAY
AS A STRONG AREA OF LOW PRESSURE MOVES INTO CENTRAL MINNESOTA.
THIS LOW WILL SEND A COLD FRONT ACROSS THE AREA THURSDAY AFTERNOON
AND NIGHT. THIS WILL CONTINUE THE HEAVY RAIN AND FLOOD THREAT FOR
CENTRAL MINNESOTA...EAST INTO WEST CENTRAL WISCONSIN. IN
ADDITION...A FEW SEVERE THUNDERSTORMS WILL BE POSSIBLE AHEAD OF
THE COLD FRONT THURSDAY AFTERNOON AND NIGHT ACROSS SOUTH CENTRAL
AND EAST CENTRAL MINNESOTA INTO WEST CENTRAL WISCONSIN...WITH THE
HIGHEST LIKELIHOOD FOR SEVERE WEATHER ACROSS SOUTH CENTRAL
MINNESOTA. THE PRIMARY THREAT FROM THIS ACTIVITY WILL BE FROM
DAMAGING STRAIGHT LINE WINDS.

HEAVY RAINFALL EXPECTED FROM TODAY THROUGH THURSDAY NIGHT WILL
LEAD RISES ON MANY LOCAL STREAMS AND RIVERS. THIS MAY RESULT IN
SEVERAL RIVERS REACHING OR EXCEEDING FLOOD STAGE...ESPECIALLY
ACROSS CENTRAL MINNESOTA INTO WEST CENTRAL WISCONSIN...FROM LATER
THIS WEEK INTO NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL LIKELY BE NEEDED LATER THIS
AFTERNOON ACROSS WEST CENTRAL AND SOUTH CENTRAL MINNESOTA AND
ACROSS THE REST OF THE OUTLOOK AREA INTO TONIGHT.

In the hours before

Special weather statement, Sep 22, 3:16 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
316 PM CDT WED SEP 22 2010

MNZ084-085-092-093-222100-
FARIBAULT-FREEBORN-STEELE-WASECA-
316 PM CDT WED SEP 22 2010

...STRONG HEAVY RAIN PRODUCING THUNDERSTORMS MOVING OVER
FARIBAULT...FREEBORN...STEELE AND WASECA COUNTIES THROUGH 400 PM
CDT...

AT 315 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 5 MILES NORTHWEST OF BRUSH CREEK. THIS STORM WAS MOVING
EAST AT 35 MPH.

HAIL UP TO DIME SIZE...WINDS UP TO 45 MPH...AND VERY HEAVY RAINFALL
ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  EASTON.
  WELLS.
  WALDORF.
  FREEBORN.
  OTISCO.
  HARTLAND.
  ALBERT LEA.
  OWATONNA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RAINFALL AMOUNTS OF ONE HALF TO ONE AND A HALF INCHES ARE PROBABLE
FROM THE THUNDERSTORM BY 430 PM. THIS MAY RESULT IN BRIEF RUNOFF
PROBLEMS AND PONDING OF WATER ON AREA ROADWAYS.

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

&&

LAT...LON 4385 9405 4385 9378 4393 9377 4409 9319
      4361 9314 4359 9397
TIME...MOT...LOC 2015Z 257DEG 31KT 4375 9383

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 4:00 AM CDTFlood WatchMPXAnoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more46 hr
Sep 22, 11:18 AM CDTRiver Flood WarningMPXBlue Earth, Brown, Nicollet20 days
Sep 22, 11:50 AM CDTRiver Flood WatchMPXRedwood9 hr
Sep 22, 11:50 AM CDTRiver Flood WatchMPXBlue Earth, Brown, Nicollet9 hr
Sep 22, 11:50 AM CDTRiver Flood WatchMPXChippewa, Lac qui Parle, Renville, Yellow Medicine52 hr
Sep 22, 11:50 AM CDTRiver Flood WatchMPXBlue Earth, Brown, Nicollet21 min
Sep 22, 11:50 AM CDTRiver Flood WatchMPXCarver, Scott45 hr
Sep 22, 11:50 AM CDTRiver Flood WatchMPXCarver, Hennepin, Scott45 hr
Sep 22, 4:30 PM CDTAreal Flood WarningMPXFaribault, Freeborn, Martin9 hr
Sep 22, 4:37 PM CDTAreal Flood AdvisoryMPXBlue Earth, Steele, Waseca, Watonwan8 hr
Sep 22, 6:39 PM CDTAreal Flood AdvisoryMPXBrown, Le Sueur, Nicollet, Redwood, Rice6 hr
Sep 22, 6:44 PM CDTSevere Thunderstorm WarningMPXMartin, Watonwan61 min
Sep 22, 11:18 AM CDTRiver Flood WarningMPXEau Claire5 days
Sep 22, 11:18 AM CDTRiver Flood WarningMPXEau Claire4 days
Sep 22, 11:18 AM CDTRiver Flood WarningMPXBuffalo, Pepin7 days

Nearby

Special Weather Statements in Minnesota, 2010Every special weather statement in 2010

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.