Alert archive / Minnesota / Areal Flood Advisories in 2008

Areal Flood Advisory 2, NWS Twin Cities, MN

June 8, 2008Freeborn County, Minnesota

NWS Twin Cities, MN issued this areal flood advisory at Jun 8, 2008, 12:54 AM CDT for Freeborn County, Minnesota. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 8, 2008, 12:54 AM CDT (05:54 UTC)
Expired
Jun 8, 2008, 3:00 AM CDT
In force
2 hr
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Flood severity
None

County Freeborn County, MN

The radar

The Minneapolis radar (KMPX), 132 km from the middle of the area, began a volume at 05:57 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, 5.9 hours before the alert went out and 132 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 2008-06-08Temperature 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 2008-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -22 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
1710 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
-22 m²/s²
0-3 km storm-relative helicity
288 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory 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 areal flood advisory went out at Jun 8, 12:10 AM CDT, 44 minutes earlier.

Area forecast discussion, Jun 8, 12:10 AM CDT, 44 minutes before
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Hazardous weather outlook, Jun 7, 1:10 PM CDT, 11 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
110 PM CDT SAT JUN 7 2008

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
081000-
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-
110 PM CDT SAT JUN 7 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
SOUTHERN MINNESOTA AND WEST CENTRAL WISCONSIN BY LATE AFTERNOON AND
CONTINUE INTO THE EVENING. SOME OF THESE STORMS MAY BECOME SEVERE
AND PRODUCE LARGE HAIL AND DAMAGING WINDS. AN ISOLATED TORNADO IS
ALSO POSSIBLE.

SHOWERS AND THUNDERSTORMS WILL BECOME MORE WIDESPREAD ACROSS THE
OUTLOOK AREA LATE THIS EVENING AND OVERNIGHT. VERY HEAVY RAINFALL
IS POSSIBLE ACROSS SOUTH CENTRAL MINNESOTA INTO SUNDAY MORNING
PROMPTING A FLASH FLOOD WATCH TO BE ISSUED FOR AREAS ALONG AND SOUTH
OF A LINE FROM NEW ULM TO RED WING. RAINFALL RATES COULD REACH OR
EXCEED ONE INCH PER HOUR WITH TOTAL RAINFALL AMOUNTS RANGING FROM
2 TO 3 INCHES ACROSS THE WATCH AREA WITH ISOLATED HIGHER AMOUNTS.
HEAVY RAIN IS ALSO POSSIBLE ACROSS WEST CENTRAL WISCONSIN LATE
TONIGHT AND SUNDAY MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS EAST CENTRAL
MINNESOTA AND WEST CENTRAL WISCONSIN SUNDAY MORNING AND INTO
SUNDAY AFTERNOON. HEAVY RAINFALL WILL BE POSSIBLE WITH THESE STORMS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON THROUGH
TONIGHT ACROSS EAST CENTRAL AND SOUTH CENTRAL MINNESOTA AND WEST
CENTRAL WISCONSIN.

MDB/KAT

In the hours before

Special weather statement, Jun 7, 11:22 PM CDT, 1 hour 32 minutes before
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Special weather statement, Jun 7, 11:37 PM CDT, 1 hour 17 minutes before
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Special weather statement, Jun 8, 12:03 AM CDT, 51 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 2:56 AM CDTAreal Flood AdvisoryMPXFreeborn4 hr
Jun 8, 6:47 AM CDTAreal Flood AdvisoryMPXFreeborn118 min

Nearby

Areal Flood Advisories in Minnesota, 2008Every areal flood advisory in 2008

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.