Alert archive / Wisconsin / Wind Advisories in 2009

Wind Advisory 5, NWS La Crosse, WI

September 26, 200913 counties in Wisconsin; 7 counties in Minnesota; 8 counties in Iowa

NWS La Crosse, WI issued this wind advisory at Sep 26, 2009, 3:26 PM CDT for 13 counties in Wisconsin; 7 counties in Minnesota; 8 counties in Iowa. It took effect at Sep 27, 2009, 4:00 PM CDT. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Sep 26, 2009, 3:26 PM CDT (20:26 UTC)
In effect from
Sep 27, 2009, 4:00 PM CDT
Expired
Sep 28, 2009, 7:00 PM CDT
In force
27 hr
Issued by
NWS La Crosse, WI
All 28 counties

Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 27 km from the middle of the area, began a volume at 20:26 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, 8.4 hours before the alert went out and 210 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 2009-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 59 joules per kilogram.LCLLFCEL10008507005003002001001 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 2009-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
59 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
633 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
62 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 
WWUS73 KARX 262026
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
326 PM CDT SAT SEP 26 2009

...STRONG AND GUSTY WINDS LATE SUNDAY INTO MONDAY...

.NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED LATE
SUNDAY AFTERNOON INTO MONDAY...ESPECIALLY ACROSS THE WIND PRONE
AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AND THE RIDGETOPS OF
SOUTHWEST WISCONSIN.

IAZ008>010-018-019-029-MNZ079-086>088-094-095-WIZ032-270430-
/O.NEW.KARX.WI.Y.0005.090927T2100Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-WABASHA-DODGE-
OLMSTED-WINONA-MOWER-FILLMORE-BUFFALO-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...WINONA...AUSTIN
326 PM CDT SAT SEP 26 2009

...WIND ADVISORY IN EFFECT FROM 4 PM SUNDAY TO 7 PM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM SUNDAY TO 7 PM CDT
MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
LATE SUNDAY AFTERNOON THROUGH MONDAY. WIND PRONE AREAS OF
SOUTHEAST MINNESOTA...NORTHEAST IOWA AND THE RIDGETOPS OF
SOUTHWEST WISCONSIN WILL BE ESPECIALLY VULNERABLE TO STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 35 TO 45 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY
FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

IAZ011-030-MNZ096-WIZ017-029-033-034-041>044-053>055-061-270430-
/O.NEW.KARX.WI.Y.0005.090928T0000Z-090929T0000Z/
ALLAMAKEE-CLAYTON-HOUSTON-TAYLOR-CLARK-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
326 PM CDT SAT SEP 26 2009

...WIND ADVISORY IN EFFECT FROM 7 PM SUNDAY TO 7 PM CDT MONDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM SUNDAY TO 7 PM CDT
MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
SUNDAY EVENING THROUGH MONDAY. WIND PRONE AREAS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA AND THE RIDGETOPS OF SOUTHWEST
WISCONSIN WILL BE ESPECIALLY VULNERABLE TO THE STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 40 TO 45 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY
FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

THOMPSON

WEATHER.GOV/LACROSSE
11 follow-up statements
000 
WWUS73 KARX 270239
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
939 PM CDT SAT SEP 26 2009

...STRONG AND GUSTY WINDS LATE SUNDAY AND MONDAY...

.NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED LATE
SUNDAY AFTERNOON INTO MONDAY...ESPECIALLY ACROSS THE WIND PRONE
AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AND THE RIDGETOPS
OF SOUTHWEST WISCONSIN. 

IAZ008>010-018-019-029-MNZ079-086>088-094-095-WIZ032-271045-
/O.CON.KARX.WI.Y.0005.090927T2100Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-WABASHA-DODGE-
OLMSTED-WINONA-MOWER-FILLMORE-BUFFALO-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...WINONA...AUSTIN
939 PM CDT SAT SEP 26 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM SUNDAY TO 7 PM CDT
MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 4 PM SUNDAY TO 7 PM CDT
MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
LATE SUNDAY AFTERNOON THROUGH MONDAY. WIND PRONE AREAS OF
SOUTHEAST MINNESOTA AND NORTHEAST IOWA WILL BE ESPECIALLY
VULNERABLE TO STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR
HIGHER...OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG
CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.
&&

$$

IAZ011-030-MNZ096-WIZ017-029-033-034-041>044-053>055-061-271045-
/O.CON.KARX.WI.Y.0005.090928T0000Z-090929T0000Z/
ALLAMAKEE-CLAYTON-HOUSTON-TAYLOR-CLARK-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
939 PM CDT SAT SEP 26 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM SUNDAY TO 7 PM CDT
MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 7 PM SUNDAY TO 7 PM CDT
MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
SUNDAY EVENING THROUGH MONDAY. WIND PRONE AREAS AND RIDGETOPS OF
SOUTHWEST WISCONSIN WILL BE ESPECIALLY VULNERABLE TO THE STRONG
WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR
HIGHER...OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG
CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

&&

$$

BAUMGARDT

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 270446
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1146 PM CDT SAT SEP 26 2009

...STRONG WINDS MOVING IN LATER TODAY AND LASTING INTO MONDAY...

.NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED LATE
THIS AFTERNOON INTO MONDAY...ESPECIALLY ACROSS THE WIND PRONE
AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AND THE RIDGETOPS OF
SOUTHWEST WISCONSIN.

IAZ008>010-018-019-029-MNZ079-086>088-094-095-WIZ032-271300-
/O.CON.KARX.WI.Y.0005.090927T2100Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-WABASHA-DODGE-
OLMSTED-WINONA-MOWER-FILLMORE-BUFFALO-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...WINONA...AUSTIN
1146 PM CDT SAT SEP 26 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM SUNDAY TO 7 PM CDT
MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 4 PM SUNDAY TO 7 PM CDT
MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
THIS AFTERNOON THROUGH MONDAY. WIND PRONE AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA WILL BE ESPECIALLY VULNERABLE TO
STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION. 
&&

$$

IAZ011-030-MNZ096-WIZ017-029-033-034-041>044-053>055-061-271300-
/O.CON.KARX.WI.Y.0005.090928T0000Z-090929T0000Z/
ALLAMAKEE-CLAYTON-HOUSTON-TAYLOR-CLARK-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
1146 PM CDT SAT SEP 26 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM SUNDAY TO 7 PM CDT
MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 7 PM SUNDAY TO 7 PM CDT
MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
THIS EVENING THROUGH MONDAY. WIND PRONE AREAS AND RIDGETOPS OF
SOUTHWEST WISCONSIN WILL BE ESPECIALLY VULNERABLE TO THE STRONG
WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

BAUMGARDT

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 270906
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
406 AM CDT SUN SEP 27 2009

...STRONG WINDS MOVING IN LATER TODAY AND LASTING INTO MONDAY...

.NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED LATE
THIS AFTERNOON INTO MONDAY...ESPECIALLY ACROSS THE WIND PRONE
AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AND THE RIDGETOPS
OF SOUTHWEST WISCONSIN.

IAZ008>010-018-019-029-MNZ079-086>088-094-095-WIZ032-271715-
/O.CON.KARX.WI.Y.0005.090927T2100Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-WABASHA-DODGE-
OLMSTED-WINONA-MOWER-FILLMORE-BUFFALO-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...WINONA...AUSTIN
406 AM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM CDT MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
THIS AFTERNOON THROUGH MONDAY. WIND PRONE AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA WILL BE ESPECIALLY VULNERABLE TO
STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION. 
&&

$$

IAZ011-030-MNZ096-WIZ017-029-033-034-041>044-053>055-061-271715-
/O.CON.KARX.WI.Y.0005.090928T0000Z-090929T0000Z/
ALLAMAKEE-CLAYTON-HOUSTON-TAYLOR-CLARK-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
406 AM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
CDT MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
THIS EVENING THROUGH MONDAY. WIND PRONE AREAS AND RIDGETOPS OF
SOUTHWEST WISCONSIN WILL BE ESPECIALLY VULNERABLE TO THE STRONG
WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

RABERDING

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 271422
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
922 AM CDT SUN SEP 27 2009

...STRONG WINDS MOVING IN LATER THIS AFTERNOON AND LASTING THROUGH
MONDAY...

.STRENGTHENING LOW PRESSURE OVER SOUTHERN ONTARIO CANADA WILL
SWEEP A COLD FRONT THROUGH THE AREA THIS AFTERNOON. WIND GUSTS
FROM THE NORTHWEST AS HIGH AS 40 TO 45 MPH ARE EXPECTED LATER THIS
AFTERNOON BEHIND THE FRONTAL PASSAGE ALONG AND WEST OF THE
MISSISSIPPI RIVER...AND THEN WILL SPREAD ACROSS THE REST OF THE
AREA THIS EVENING. THESE STRONG NORTHWEST WINDS WILL THEN LAST
INTO MONDAY...ESPECIALLY ACROSS THE WIND PRONE AREAS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA AND THE RIDGE TOPS OF SOUTHWEST
WISCONSIN.

IAZ008>010-018-019-029-MNZ079-086>088-094-095-WIZ032-272230-
/O.CON.KARX.WI.Y.0005.090927T2100Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-WABASHA-DODGE-
OLMSTED-WINONA-MOWER-FILLMORE-BUFFALO-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...WINONA...AUSTIN
922 AM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 PM CDT MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
LATER THIS AFTERNOON THROUGH MONDAY. WIND PRONE AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA WILL BE ESPECIALLY VULNERABLE TO
STRONG WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION. 
&&

$$

IAZ011-030-MNZ096-WIZ017-029-033-034-041>044-053>055-061-272230-
/O.CON.KARX.WI.Y.0005.090928T0000Z-090929T0000Z/
ALLAMAKEE-CLAYTON-HOUSTON-TAYLOR-CLARK-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
922 AM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
CDT MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED FROM
EARLY THIS EVENING THROUGH MONDAY. WIND PRONE AREAS AND RIDGE TOPS
OF SOUTHWEST WISCONSIN WILL BE ESPECIALLY VULNERABLE TO THE STRONG
WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

DAS

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 272009
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
309 PM CDT SUN SEP 27 2009

...STRONG NORTHWEST WINDS THROUGH MONDAY...

.A POTENT LOW PRESSURE SYSTEM OVER SOUTHERN ONTARIO CANADA WILL
PUSH A COLD FRONT EAST OF THE AREA THROUGH THIS EVENING. NORTHWEST
WINDS OF 20 TO 30 MPH WITH GUSTS AS HIGH AS 40 TO 45 MPH BEHIND
THE FRONT ARE EXPECTED ACROSS THE AREA THIS EVENING. THESE STRONG
NORTHWEST WINDS WILL THEN LAST INTO MONDAY AS THE POTENT LOW
PRESSURE SYSTEM CONTINUES TO DEEPEN AND MOVE INTO THE GREAT LAKES
REGION. THE STRONGEST WINDS WILL BE FOUND ACROSS THE MORE OPEN AND WIND
PRONE AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AS WELL AS THE
RIDGE TOPS OF SOUTHWEST WISCONSIN.

IAZ008>010-018-019-029-MNZ079-086>088-094-095-WIZ032-280415-
/O.CON.KARX.WI.Y.0005.090927T2100Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-WABASHA-DODGE-
OLMSTED-WINONA-MOWER-FILLMORE-BUFFALO-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...WINONA...AUSTIN
309 PM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED THROUGH
MONDAY. WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA
WILL BE ESPECIALLY VULNERABLE TO THE STRONGEST WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION. 
&&

$$

IAZ011-030-MNZ096-WIZ017-029-033-034-041>044-053>055-061-280415-
/O.CON.KARX.WI.Y.0005.090928T0000Z-090929T0000Z/
ALLAMAKEE-CLAYTON-HOUSTON-TAYLOR-CLARK-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
309 PM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM
CDT MONDAY. 

NORTHWEST WIND GUSTS AS HIGH AS 40 TO 45 MPH ARE EXPECTED THIS
EVENING THROUGH MONDAY. WIND PRONE AREAS AND RIDGE TOPS OF
SOUTHWEST WISCONSIN WILL BE ESPECIALLY VULNERABLE TO THE STRONGEST
WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

DAS

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 280112
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
812 PM CDT SUN SEP 27 2009

...STRONG NORTHWEST WINDS THROUGH MONDAY...

.A STRONG AREA OF LOW PRESSURE NEAR LAKE SUPERIOR WILL MOVE SLOWLY
TOWARD LAKE HURON THROUGH MONDAY. THE COLD FRONT WITH THIS AREA OF
LOW PRESSURE HAS ALREADY MOVED THROUGH THE REGION ALLOWING THE
WINDS TO SWITCH AROUND TO THE NORTHWEST. SUSTAINED SPEEDS THIS
EVENING ARE GENERALLY IN THE 15 TO 25 MPH RANGE WITH GUSTS UP TO
35 MPH. THESE WINDS ARE EXPECTED TO INCREASE AFTER MIDNIGHT WITH
SUSTAINED SPEEDS BECOMING 20 TO 30 MPH WITH GUSTS AS HIGH AS 40
MPH. THESE WINDS ARE THEN EXPECTED TO CONTINUE THROUGH THE DAY
MONDAY. THE STRONGEST WINDS WILL BE FOUND ACROSS THE MORE OPEN
AND WIND PRONE AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AS
WELL AS THE RIDGE TOPS OF SOUTHWEST WISCONSIN.

IAZ008>010-018-019-029-MNZ079-086>088-094-095-WIZ032-280915-
/O.CON.KARX.WI.Y.0005.000000T0000Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-WABASHA-DODGE-
OLMSTED-WINONA-MOWER-FILLMORE-BUFFALO-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...WINONA...AUSTIN
812 PM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY. 

WIND PRONE AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST
IOWA WILL BE ESPECIALLY VULNERABLE TO THE STRONGEST WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION. 
&&

$$

IAZ011-030-MNZ096-WIZ017-029-033-034-041>044-053>055-061-280915-
/O.CON.KARX.WI.Y.0005.000000T0000Z-090929T0000Z/
ALLAMAKEE-CLAYTON-HOUSTON-TAYLOR-CLARK-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
812 PM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY. 

NORTHWEST WINDS WILL INCREASE AFTER MIDNIGHT WITH GUSTS OF 40 TO
45 MPH EXPECTED. THESE STRONG WINDS WILL THEN CONTINUE THROUGH
MONDAY.  WIND PRONE AREAS AND RIDGE TOPS OF SOUTHWEST WISCONSIN
WILL BE ESPECIALLY VULNERABLE TO THE STRONGEST WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

04

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 280404
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1104 PM CDT SUN SEP 27 2009

...STRONG NORTHWEST WINDS THROUGH MONDAY...

.A STRONG AREA OF LOW PRESSURE OVER NORTHERN LAKE SUPERIOR WILL
MOVE SLOWLY TOWARD LAKE HURON THROUGH MONDAY. NORTHWEST WINDS ON
THE BACK SIDE OF THE LOW HAVE OVERSPREAD THE ENTIRE REGION.
SUSTAINED SPEEDS REMAIN IN THE 15 TO 25 MPH RANGE WITH GUSTS UP TO
35 MPH. OUTSIDE OF A BRIEF INCREASE IN THE WIND NEAR SOME
SHOWERS...LITTLE CHANGE IN THE WIND SPEED IS EXPECTED TO OCCUR
TONIGHT. AN INCREASE IN THE WINDS IS STILL EXPECTED TO OCCUR AFTER
SUNRISE MONDAY. SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS AS HIGH
AS 40 MPH ARE EXPECTED FOR MUCH OF MONDAY. THE STRONGEST WINDS
WILL BE FOUND ACROSS THE MORE OPEN AND WIND PRONE AREAS OF
SOUTHEAST MINNESOTA... NORTHEAST IOWA AS WELL AS THE RIDGE TOPS OF
SOUTHWEST WISCONSIN.

IAZ008>010-018-019-029-MNZ079-086>088-094-095-WIZ032-281215-
/O.CON.KARX.WI.Y.0005.000000T0000Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-WABASHA-DODGE-
OLMSTED-WINONA-MOWER-FILLMORE-BUFFALO-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...WINONA...AUSTIN
1104 PM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY. 

SUSTAINED NORTHWEST WINDS TONIGHT WILL REMAIN AT 15 TO 25 MPH WITH
GUSTS UP TO 35 MPH. AN INCREASE IN THE WIND SPEED WILL OCCUR AFTER
SUNRISE MONDAY. SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS AS
HIGH AS 40 MPH ARE EXPECTED FOR MOST OF THE DAY. WIND PRONE AREAS
OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA WILL BE ESPECIALLY
VULNERABLE TO THE STRONGEST WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION. 
&&

$$

IAZ011-030-MNZ096-WIZ017-029-033-034-041>044-053>055-061-281215-
/O.CON.KARX.WI.Y.0005.000000T0000Z-090929T0000Z/
ALLAMAKEE-CLAYTON-HOUSTON-TAYLOR-CLARK-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
1104 PM CDT SUN SEP 27 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY. 

SUSTAINED NORTHWEST WINDS TONIGHT WILL REMAIN AT 15 TO 25 MPH WITH
GUSTS UP TO 35 MPH. AN INCREASE IN THE WIND SPEED WILL OCCUR AFTER
SUNRISE MONDAY. SUSTAINED SPEEDS OF 20 TO 30 MPH WITH GUSTS AS
HIGH AS 40 MPH ARE EXPECTED FOR MOST OF THE DAY. WIND PRONE AREAS
AND RIDGE TOPS OF SOUTHWEST WISCONSIN WILL BE ESPECIALLY
VULNERABLE TO THE STRONGEST WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

04

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 280904
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
404 AM CDT MON SEP 28 2009

...STRONG NORTHWEST WINDS TODAY...

.A STRONG AREA OF LOW PRESSURE OVER NORTHERN LAKE SUPERIOR WILL
MOVE SLOWLY TOWARD LAKE HURON TODAY. NORTHWEST WINDS ON
THE BACK SIDE OF THE LOW WILL CONTINUE TO PRODUCE SUSTAINED SPEEDS
OF 20 TO 30 MPH WITH GUSTS TO 40 MPH. THE STRONGEST WINDS WILL BE
FOUND ACROSS THE MORE OPEN AND WIND PRONE AREAS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA AS WELL AS THE RIDGE TOPS OF SOUTHWEST
WISCONSIN.

IAZ008>010-018-019-029-MNZ079-086>088-094-095-WIZ032-281715-
/O.CON.KARX.WI.Y.0005.000000T0000Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-WABASHA-DODGE-
OLMSTED-WINONA-MOWER-FILLMORE-BUFFALO-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...WINONA...AUSTIN
404 AM CDT MON SEP 28 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

SUSTAINED NORTHWEST WINDS TODAY WILL INCREASE TO 20 TO 30 MPH
WITH GUSTS TO AS HIGH AS 40 MPH. WIND PRONE AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA WILL BE ESPECIALLY VULNERABLE TO THE
STRONGEST WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION. 
&&

$$

IAZ011-030-MNZ096-WIZ017-029-033-034-041>044-053>055-061-281715-
/O.CON.KARX.WI.Y.0005.000000T0000Z-090929T0000Z/
ALLAMAKEE-CLAYTON-HOUSTON-TAYLOR-CLARK-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
404 AM CDT MON SEP 28 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

SUSTAINED SPEEDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS AS HIGH
AS 40 MPH TODAY. WIND PRONE AREAS AND RIDGE TOPS OF SOUTHWEST
WISCONSIN WILL BE ESPECIALLY VULNERABLE TO THE STRONGEST WINDS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$

RABERDING

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 281425
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
925 AM CDT MON SEP 28 2009

...STRONG NORTHWEST WINDS TODAY...

.A STRONG AREA OF LOW PRESSURE OVER EASTERN LAKE SUPERIOR WILL
CONTINUE TO TRACK TOWARD NORTHERN LAKE HURON THROUGH THIS AFTERNOON.
AN INCREASING PRESSURE GRADIENT ON THE BACKSIDE OF THIS LOW WILL
CONTINUE TO PRODUCE SUSTAINED SPEEDS OF 25 TO 30 MPH WITH GUSTS TO
45 MPH ACROSS THE AREA. THE STRONGEST WINDS WILL BE FOUND ACROSS THE
MORE OPEN AND WIND PRONE AREAS OF SOUTHEAST MINNESOTA...NORTHEAST
IOWA AS WELL AS THE RIDGE TOPS OF SOUTHWEST WISCONSIN.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-282230-
/O.CON.KARX.WI.Y.0005.000000T0000Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-
ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
925 AM CDT MON SEP 28 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

STRONG NORTHWEST WINDS WILL CONTINUE TODAY. SUSTAINED WINDS WILL
BE IN THE 25 TO 30 MPH RANGE WITH GUSTS TO 45 MPH. THE STRONGEST
WINDS ARE EXPECTED ACROSS THE MORE OPEN AND WIND PRONE AREAS OF
SOUTHEAST MINNESOTA...NORTHEAST IOWA AS WELL AS THE RIDGE TOPS OF
SOUTHWEST WISCONSIN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION. 
&&

$$

DAS

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 282009
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
309 PM CDT MON SEP 28 2009

...STRONG NORTHWEST WINDS INTO EARLY THIS EVENING...

.STRONG LOW PRESSURE WILL REMAIN ANCHORED OVER LAKE HURON INTO
THIS EVENING. THIS WILL CONTINUE THE TIGHT PRESSURE GRADIENT ACROSS
THE AREA ON THE BACKSIDE OF THE LOW AND WILL CONTINUE TO PRODUCE
SUSTAINED SPEEDS OF 25 TO 30 MPH WITH GUSTS TO 45 MPH ACROSS
THROUGH EARLY THIS EVENING. THE STRONGEST WINDS WILL BE FOUND
ACROSS THE MORE OPEN AND WIND PRONE AREAS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA AS WELL AS THE RIDGE TOPS OF SOUTHWEST
WISCONSIN. AS THE LOW PULLS SLOWLY EAST INTO THE EASTERN GREAT
LAKES LATER THIS EVENING AND OVERNIGHT...THE PRESSURE GRADIENT AND
WIND SPEEDS ARE EXPECTED TO SLACKEN.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-290000-
/O.CON.KARX.WI.Y.0005.000000T0000Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-
ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
309 PM CDT MON SEP 28 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

STRONG NORTHWEST WINDS WILL CONTINUE INTO EARLY THIS EVENING. SUSTAINED
WINDS WILL BE IN THE 25 TO 30 MPH RANGE WITH GUSTS TO 45 MPH. THE
STRONGEST WINDS ARE EXPECTED ACROSS THE MORE OPEN AND WIND PRONE
AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AS WELL AS THE RIDGE
TOPS OF SOUTHWEST WISCONSIN. LOOK FOR THE WINDS TO SLACKEN LATER
THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR HIGHER...
OR GUSTS OVER 45 MPH...ARE EXPECTED. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION. 
&&

$$

DAS

WEATHER.GOV/LACROSSE
000 
WWUS73 KARX 290002
NPWARX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
702 PM CDT MON SEP 28 2009

...THE WINDS WILL CONTINUE TO DECREASE...

.A STRONG AREA OF LOW PRESSURE OVER LAKE HURON WILL CONTINUE TO
MOVE AWAY FROM THE AREA TONIGHT. THIS WILL ALLOW THE NORTHWEST
WINDS TO CONTINUE TO DECREASE...HOWEVER...THERE MAY STILL BE A FEW
WIND GUSTS THAT APPROACH 35 MPH EARLY THIS EVENING.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-290115-
/O.EXP.KARX.WI.Y.0005.000000T0000Z-090929T0000Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-
ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...WINONA...AUSTIN...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
702 PM CDT MON SEP 28 2009

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT AS IT EXPIRED AT 7 PM.

THE NORTHWEST WINDS WILL CONTINUE TO DECREASE THROUGH THE NIGHT
WITH SUSTAINED SPEEDS OF 10 TO 15 MPH EXPECTED BY SUNRISE.


$$

04

WEATHER.GOV/LACROSSE

What forecasters said that day

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

NWS La Crosse, WI wrote its last area forecast discussion before this wind advisory went out at Sep 26, 3:19 PM CDT, 7 minutes earlier.

Area forecast discussion, Sep 26, 3:19 PM CDT, 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
319 PM CDT SAT SEP 26 2009

.SHORT TERM...TONIGHT THROUGH TUESDAY NIGHT

FORECAST CONCERNS CENTER AROUND AFFECTS OF STRONG CANADIAN
LOW/SURFACE COLD FRONT DROPPING THROUGH THE REGION SUNDAY
AFTERNOON...INCLUDING SEVERE THUNDERSTORM POTENTIAL/GUSTY WINDS.
GRADIENT WINDS THEN A CONCERN SUNDAY NIGHT THROUGH MONDAY.

VIS/WATER VAPOR IMAGERY THIS AFTERNOON SHOWS CLOSED MID-LEVEL LOW
CIRCULATION CENTERED OVER NORTHEAST MO. COLD POOL ALOFT ASSOCIATED
WITH THE LOW WAS FUELING INSTABILITY FOR ISOLD/SCT SHRA ACTIVITY
MAINLY ALONG AND SOUTH OF I-90 PER CURRENT RADAR MOSAIC.
OTHERWISE...QUITE A BIT OF CUMULUS UNDER THE COLD POOL ACROSS THE
ENTIRE AREA  WITH SURFACE TEMPERATURES RANGING FROM THE UPPER 60S TO
LOWER 70S.

26.12Z GFS/NAM/ARXWRF AND 26.09Z SREF ALL IN VERY GOOD AGREEMENT
WITH EVOLUTION OF UPPER LEVEL/SURFACE PATTERN THROUGH THE
PERIOD...LENDING TO HIGHER THAN USUAL FORECAST CONFIDENCE.

FOR TONIGHT...WILL BE WATCHING THAT MID-LEVEL LOW/CIRCULATION OVER
NORTHEAST MO MOVE EAST ACROSS CENTRAL IL THIS EVENING AS MID LEVEL
RIDGING BUILDS IN FROM THE NORTHWEST. INCREASING SUBSIDENCE AND LOSS
OF SURFACE HEATING SHOULD SHUT DOWN INSTABILITY QUICKLY THIS
EVENING. OTHERWISE...RIDGE BUILDING AHEAD OF A STRONG MID-LEVEL
SHORTWAVE MOVING THROUGH THE CENTRAL CANADIAN PROVINCES WILL PROVIDE
CLEARING CONDITION OVERNIGHT. NORMALLY WOULD BE WORRIED ABOUT FOG
FORMATION GIVEN THE CLEARING...BUT MODELS ARE SHOWING WINDS SHOULD
STAY UP OUT OF THE SOUTHWEST TONIGHT AS THE PRESSURE GRADIENT WINDS
INCREASE AHEAD OF THE COLD FRONT PUSHING EAST FROM THE NORTHERN
PLAINS. COULD SEE SOME FOG IN THE WISCONSIN RIVER VALLEY WHERE BEST
CHANCE OF DECOUPLING TAKES PLACE THIS EVENING.

ATTENTION THEN TURNS TO POTENT/STRENGTHENING LOW PRESSURE MOVING
EAST ACROSS SOUTHERN ONTARIO SUNDAY. THIS LOW DRAGS A STRONG COLD
FRONT INTO THE AREA DURING THE AFTERNOON HOURS. THE NAM/EASTNNM4
MODELS CONTINUE TO SHOW AN INCREASE IN LOW LEVEL MOISTURE
TRANSPORT/MOISTURE CONVERGENCE IMMEDIATELY AHEAD OF THE COLD FRONT
AS IT SLIPS INTO THE AREA DURING THE AFTERNOON. NAM INDICATING 0-3KM
MUCAPE INCREASING INTO THE 500-1000J/KG RANGE WITH AMPLE 0-3KM
SHEAR. WITH STRONG WINDS ALOFT ASSOCIATED WITH UNSEASONABLY STRONG
JET/PV-ANOMALY...THERE IS THE CHANCE FOR A SQUALL-LINE TO RAPIDLY
FORM ALONG THE FRONT WITH DAMAGING WIND POTENTIAL AS STRONG WINDS
ALOFT GET TRANSLATED TO SURFACE IN STORM DOWNDRAFTS. WILL HAVE TO
KEEP AN EYE OUT FOR THIS SEVERE POTENTIAL. SECOND FACET OF THIS
STRONG LOW PRESSURE SYSTEM WILL BE STRONG/GUSTY PRESSURE GRADIENT
WINDS BEHIND THE COLD FROPA. WINDS OF 20-30 WITH GUST AROUND 40 MPH
EXPECTED ACROSS PORTIONS OF WIND PRONE AREAS OF SOUTHEAST
MN/NORTHEAST IA AFTER 27.21Z...AND ACROSS THE REMAINDER OF THE AREA
AFTER 28.00Z. WINDS WILL CONTINUE TO BE A PROBLEM THROUGH SUNDAY
NIGHT/MONDAY AS 925-850MB MEAN LAYER //GUST POTENTIAL WINDS //
INCREASE INTO THE 40-50KT RANGE. DESPITE ANTICIPATED STRATOCUMULUS
CLOUD COVER ASSOCIATED WITH MID-LEVEL COLD POOL SUNDAY
NIGHT/MONDAY...FEEL MIXING TO AT LEAST 925MB IS REPRESENTATIVE AND
SHEAR SURFACE PRESSURE GRADIENT WINDS SHOULD BE NEAR OR/HIT ADVISORY
CRITERIA. AS A RESULT HAVE ISSUED A WIND ADVISORY FOR AREAS
ALONG/WEST OF THE MISSISSIPPI RIVER AFTER 27.21Z AND THE REST OF THE
AREA AFTER 28.00Z...VALID UNTIL TUES 00Z.

THE LOW IS EXPECTED TO PULL FURTHER INTO EASTERN ONTARIO MONDAY
NIGHT WITH A STRONG RIDGE OF HIGH PRESSURE BUILDING IN FROM THE
PLAINS. AS A RESULT...WINDS SHOULD CONTINUE DIMINISHING THROUGH
MONDAY NIGHT AS MUCH COOLER AIR SPILLS IN. LOWS EXPECTED TO BE IN
THE MID 30S TO LOWER 40S.

TUESDAY THROUGH TUESDAY NIGHT WILL BE COOLER AND QUIET AND THE RIDGE
OF HIGH PRESSURE BUILDS OVERHEAD. MAY HAVE TO CONTEND WITH SOME
PATCHY FROST TUESDAY NIGHT AS LOWS BOTTOM OUT IN THE MID 30S ACROSS
AREAS NORTHEAST OF THE I-94 CORRIDOR.

.LONG TERM...WEDNESDAY THROUGH SATURDAY

MAIN FORECAST CONCERNS ARE TEMPERATURES WEDNESDAY...THEN
PRECIPITATION CHANCES THURSDAY THROUGH SATURDAY. THE 26.00Z GFS
AND ECMWF ARE IN GOOD AGREEMENT WITH BUILDING UPPER LEVEL RIDGE INTO
THE CENTRAL U.S. BY 00Z WEDNESDAY AND MOVING UPPER LEVEL TROUGH INTO
THE NORTHERN PLAINS AND UPPER MIDWEST BY 12Z FRIDAY. BOTH MODELS ARE
IN VERY GOOD AGREEMENT IN PLACEMENT AND TIMING OF SURFACE FEATURES
THROUGH THE PERIOD. BOTH MODELS ARE INDICATING DECENT SUBSIDENCE
UNDERNEATH UPPER LEVEL RIDGE TUESDAY AND VERY STRONG WARM AIR
ADVECTION OUT AHEAD OF UPPER LEVEL TROUGH/SURFACE FRONT AND LOW
WEDNESDAY AND INTO THURSDAY. THIS WILL ALLOW DRY CONDITIONS AND
SLIGHTLY ABOVE NORMAL TEMPERATURES ACROSS THE AREA WEDNESDAY. BOTH
THE 26.00Z GFS AND ECMWF ARE INDICATING STRONG MOISTURE
TRANSPORT...CONVERGENCE AND LIFT IN ASSOCIATION WITH UPPER LEVEL
TROUGH THURSDAY INTO FRIDAY. PREVIOUS FORECAST HAS GOOD HANDLE ON
PRECIPITATION TRENDS...WILL INCREASE PRECIPITATION CHANCES...AS
FORECAST CONFIDENCE INCREASES. BOTH MODELS INDICATING COLD POOL
WRAPPING AROUND UPPER LEVEL LOW/TROUGH ACROSS FORECAST AREA
SATURDAY. WILL INTRODUCE SMALL PRECIPITATION CHANCES FOR SATURDAY.

&&

.AVIATION...

PRIMARY AVIATION CONCERNS WERE WITH FOG POTENTIAL TONIGHT...THEN
COLD FRONTAL PASSAGE AND ASSOCIATED GUSTY WINDS ON SUNDAY. FEW
CLOUDS ANTICIPATED TONIGHT...SO GOOD RADIATIONAL COOLING EXPECTED.
HOWEVER...RETURN LOW LEVEL SOUTHERLY FLOW BEGINS IN EARNEST
OVERNIGHT. IN FACT...925MB WINDS IN VARIOUS DATA SETS SUGGEST
SOUTHERLY FLOW REACHING AROUND 25KTS BY 27.12Z. THUS...MIXING SHOULD
PRECLUDE DEVELOPMENT OF DEEP NOCTURNAL INVERSION AND MITIGATE
SIGNIFICANT FOG POTENTIAL AT BOTH KRST AND KLSE TAF SITES.

ON SUNDAY...FORECAST SOUNDINGS SUGGEST MIXING OF STRONG
SOUTHWESTERLY FLOW TO THE SURFACE AHEAD OF APPROACHING COLD FRONT
SHOULD BEGIN BY ABOUT 27.14Z...WHEN ONSET OF 20-25KT GUSTS
ANTICIPATED. BASED ON CONSENSUS IN LATEST DATA SETS...CONFIDENCE WAS
HIGH IN TIMING OF COLD FRONTAL PASSAGE AT KRST ABOUT MIDDAY...THEN
AT KLSE EARLY IN THE AFTERNOON...WITH ANY CONVECTION OCCURRING
MAINLY EAST OF KLSE.

AFOREMENTIONED TIMES FOR FRONTAL PASSAGE WERE JUST BEYOND THE VALID
PERIOD OF 26.18Z TAF ISSUANCE. THEREFORE...SPECIFICS ON WIND SHIFT
WILL BE FORTHCOMING WITH SUBSEQUENT TAFS. EVEN SO...ANTICIPATE
STRONG AND GUSTY NORTHWEST WINDS AFTER FRONTAL PASSAGE...AND THUS
CROSSWIND ISSUES SUNDAY AFTERNOON AND EVENING FOR AIRPORTS WITHOUT
NORTHWEST-SOUTHEAST ORIENTED RUNWAYS.

&&

.ARX WATCHES/WARNINGS/ADVISORIES...

WI...WIND ADVISORY FROM 4 PM SUNDAY TO 7 PM CDT MONDAY FOR WIZ032.

     WIND ADVISORY FROM 7 PM SUNDAY TO 7 PM CDT MONDAY FOR WIZ017-
     WIZ029-WIZ033-WIZ034-WIZ041-WIZ042-WIZ043-WIZ044-WIZ053-
     WIZ054-WIZ055-WIZ061.

MN...WIND ADVISORY FROM 4 PM SUNDAY TO 7 PM CDT MONDAY FOR MNZ079-
     MNZ086-MNZ087-MNZ088-MNZ094-MNZ095.

     WIND ADVISORY FROM 7 PM SUNDAY TO 7 PM CDT MONDAY FOR MNZ096.

IA...WIND ADVISORY FROM 4 PM SUNDAY TO 7 PM CDT MONDAY FOR IAZ008-
     IAZ009-IAZ010-IAZ018-IAZ019-IAZ029.

     WIND ADVISORY FROM 7 PM SUNDAY TO 7 PM CDT MONDAY FOR IAZ011-
     IAZ030.

&&

SHORT TERM...DAS
LONG TERM....DTJ
AVIATION.....THOMPSON
Hazardous weather outlook, Sep 26, 3:25 PM CDT, 1 minute before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
325 PM CDT SAT SEP 26 2009

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034-
041>044-053>055-061-271100-
ADAMS-ALLAMAKEE-BUFFALO-CHICKASAW-CLARK-CLAYTON-CRAWFORD-DODGE-
FAYETTE-FILLMORE-FLOYD-GRANT-HOUSTON-HOWARD-JACKSON-JUNEAU-LA CROSSE-
MITCHELL-MONROE-MOWER-OLMSTED-RICHLAND-TAYLOR-TREMPEALEAU-VERNON-
WABASHA-WINNESHIEK-WINONA-
325 PM CDT SAT SEP 26 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA...AND SOUTHWEST INTO CENTRAL WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ON SUNDAY AFTERNOON...THERE WILL BE A CHANCE OF THUNDERSTORMS AHEAD
OF A STRONG COLD FRONT. THESE THUNDERSTORMS MAY EVENTUALLY ORGANIZE
INTO A SQUALL LINE ACROSS CENTRAL AND SOUTHWEST WISCONSIN. IF THIS
DOES OCCUR...THERE WOULD BE THE POTENTIAL OF DAMAGING WINDS.

IN THE WAKE OF THIS COLD FRONT...STRONG NORTHWEST WINDS WILL DEVELOP
ACROSS THE AREA ON SUNDAY AFTERNOON AND THEN PERSIST INTO MONDAY.
GUSTS OF 40 TO 45 MPH COULD OCCUR...ESPECIALLY ACROSS WIND PRONE
AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA AND RIDGETOPS OF
SOUTHWEST WISCONSIN.

FROM WEDNESDAY NIGHT THROUGH FRIDAY...A COLD FRONT COULD TRIGGER
ISOLATED THUNDERSTORMS. AT THIS TIME...IT IS TOO EARLY TO DETERMINE
WHETHER ANY OF THESE THUNDERSTORMS COULD BECOME SEVERE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED ACROSS SOUTHWEST AND CENTRAL
WISCONSIN ON SUNDAY AFTERNOON. IN ADDITION...REPORTS OF PEAK WIND
GUSTS AREA-WIDE SUNDAY AFTERNOON INTO MONDAY WOULD BE APPRECIATED.

.EMERGENCY MANAGEMENT COORDINATION...

NO CALL IS SCHEDULED.

BOYNE/THOMPSON

Nearby

Wind Advisories in Wisconsin, 2009Wind Advisories in Iowa, 2009Wind Advisories in Minnesota, 2009Every wind advisory 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.