Alert archive / Wisconsin / Wind Chill Advisories in 2008

Wind Chill Advisory 6, NWS La Crosse, WI

February 19, 20087 counties in Minnesota; 13 counties in Wisconsin; 8 counties in Iowa

NWS La Crosse, WI issued this wind chill advisory at Feb 19, 2008, 3:49 AM CST for 7 counties in Minnesota; 13 counties in Wisconsin; 8 counties in Iowa. It took effect at Feb 20, 2008, 12:00 AM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 19, 2008, 3:49 AM CST (09:49 UTC)
In effect from
Feb 20, 2008, 12:00 AM CST
Expired
Feb 20, 2008, 12:00 PM CST
In force
12 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 09:48 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, 9.8 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 00:00Z on 2008-02-19Temperature 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 2008-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
967 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
80 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 
WWUS43 KARX 190949
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
349 AM CST TUE FEB 19 2008

...ANOTHER NIGHT WITH DANGEROUS WIND CHILLS AND BLOWING SNOW...

.AN ARCTIC COLD FRONT WILL MOVE SOUTHEAST THROUGH THE UPPER
MISSISSIPPI RIVER LATE THIS AFTERNOON AND EVENING. TEMPERATURES
WILL LIKELY FALL INTO THE 5 TO 15 BELOW ZERO RANGE OVERNIGHT AND
WEDNESDAY MORNING. AT THE SAME TIME...THE AREA WILL SEE NORTHWEST
WINDS IN THE 10 TO 20 MPH RANGE. THESE WINDS AND TEMPERATURES WILL
COMBINE TO PRODUCE WIND CHILLS OF 30 TO 35 BELOW ZERO ACROSS
SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND WESTERN WISCONSIN. 
WIND CHILL VALUES THIS LOW WILL FREEZE EXPOSED SKIN IN LESS THAN
10 MINUTES.

THE NORTHWEST WINDS WILL ALSO PRODUCE BLOWING AND DRIFTING SNOW FROM
TONIGHT THROUGH WEDNESDAY MORNING IN THE WIND PRONE AREAS OF
SOUTHEAST MINNESOTA AND NORTHEAST IOWA. ROADS IN THESE AREAS ARE
ALREADY NOT IN THE GREATEST SHAPE...AND THIS DRIFTING SNOW WILL
LIKELY DETERIORATE THE ROAD CONDITIONS IN THESE AREAS EVEN
FURTHER.

IAZ008>010-018-019-029-MNZ086-087-094-095-191800-
/O.NEW.KARX.WW.Y.0003.080220T0000Z-080220T1800Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
349 AM CST TUE FEB 19 2008

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
12 PM CST WEDNESDAY. 

WIND CHILLS WILL FALL INTO THE 30 TO 35 BELOW ZERO RANGE FROM
MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. THESE WIND CHILLS WILL
CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN 10 MINUTES.

IN ADDITION...NORTHWEST WINDS IN THE 10 TO 20 MPH RANGE WITH WIND
GUSTS TO 30 MPH WILL CAUSE THE SNOW TO BLOW AND DRIFT. THIS WILL
LIKELY DETERIORATE ROAD CONDITIONS FURTHER TONIGHT AND WEDNESDAY
MORNING. 

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061-
191800-
/O.NEW.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/
ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO-
TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-
RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
349 AM CST TUE FEB 19 2008

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 12 PM CST
WEDNESDAY. 

WIND CHILLS WILL FALL INTO THE 30 TO 35 BELOW ZERO RANGE FROM
MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. THESE WIND CHILLS WILL
CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN 10 MINUTES.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

BOYNE

WEATHER.GOV/LACROSSE
8 follow-up statements
000 
WWUS43 KARX 191630
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1030 AM CST TUE FEB 19 2008

...ANOTHER NIGHT WITH DANGEROUS WIND CHILLS AND BLOWING SNOW...

.AN ARCTIC COLD FRONT WILL MOVE SOUTHEAST THROUGH THE UPPER
MISSISSIPPI RIVER LATE THIS AFTERNOON AND EVENING. TEMPERATURES
WILL LIKELY FALL INTO THE 5 TO 15 BELOW ZERO RANGE OVERNIGHT AND
WEDNESDAY MORNING. AT THE SAME TIME...WINDS WILL INCREASE FROM THE 
NORTHWEST WINDS INTO THE 10 TO 20 MPH RANGE. THESE WINDS AND
TEMPERATURES WILL COMBINE TO PRODUCE WIND CHILLS OF 30 TO 35 BELOW
ZERO ACROSS SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND WESTERN
WISCONSIN. WIND CHILL VALUES THIS LOW WILL FREEZE EXPOSED SKIN IN
LESS THAN 10 MINUTES.

THE NORTHWEST WINDS WILL ALSO PRODUCE BLOWING AND DRIFTING SNOW
FROM TONIGHT THROUGH WEDNESDAY MORNING IN THE WIND PRONE AREAS OF
SOUTHEAST MINNESOTA AND NORTHEAST IOWA. ROADS IN THESE AREAS ARE
ALREADY NOT IN THE GREATEST SHAPE...AND THIS DRIFTING SNOW WILL
LIKELY DETERIORATE THE ROAD CONDITIONS IN THESE AREAS EVEN
FURTHER.

IAZ008>010-018-019-029-MNZ086-087-094-095-200030-
/O.CON.KARX.WW.Y.0003.080220T0000Z-080220T1800Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
1030 AM CST TUE FEB 19 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 12 PM CST WEDNESDAY. 

WINDS WILL INCREASE FROM THE NORTHWEST AND INCREASE TO 10 TO 20
MPH WITH GUST UP TO 30 MPH. THIS WILL CREATE WIND CHILLS IN THE 30
TO 35 BELOW ZERO RANGE FROM MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY.
THESE WIND CHILLS WILL CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN
10 MINUTES.

IN ADDITION...THE INCREASE IN WINDS AND ANY NEW FALLEN SNOW WILL CAUSE
BLOWING AND DRIFTING SNOW...ESPECIALLY IN OPEN AREAS. THIS WILL
LIKELY DETERIORATE ROAD CONDITIONS FURTHER TONIGHT AND WEDNESDAY
MORNING.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061-
200030-
/O.CON.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/
ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO-
TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-
RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
1030 AM CST TUE FEB 19 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
12 PM CST WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
12 PM CST WEDNESDAY. 

WINDS WILL INCREASE FROM THE NORTHWEST AND INCREASE TO 10 TO 20
MPH. THIS WILL CREATE WIND CHILLS IN THE 30 TO 35 BELOW ZERO
RANGE FROM MIDNIGHT TONIGHT THROUGH NOON WEDNESDAY. THESE WIND
CHILLS WILL CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN 10 MINUTES.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

DTJ

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 192120
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
320 PM CST TUE FEB 19 2008

...DANGEROUS WIND CHILLS AND BLOWING SNOW TONIGHT...

.AN ARCTIC COLD FRONT WILL SWEEP ACROSS THE REGION THIS
EVENING...MOVING ACROSS THE EASTERN GREAT LAKES BY WEDNESDAY
MORNING. SOME LIGHT SNOW WILL ACCOMPANY THE FRONT...BUT GENERALLY
ONLY BRING AN INCH OR LESS OF ACCUMULATIONS. HOWEVER...WINDS WILL
BE ON THE INCREASE WITH THE PASSAGE OF THE FRONT...LEADING TO
BLOWING AND DRIFTING OF THE SNOW...MOSTLY IN THE OPEN AND
UNSHELTERED AREAS OF SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND
AREA RIDGE-TOPS. ROADS IN THESE LOCATIONS ARE NOT IN THE GREATEST
SHAPE...AND THIS DRIFTING SNOW WILL LIKELY DETERIORATE THE ROAD
CONDITIONS IN THESE AREAS EVEN FURTHER.

MEANWHILE...ALONG WITH THE WINDS WILL COME ANOTHER SHOT OF COLD
AIR...WITH TEMPERATURES BY WEDNESDAY MORNING IN THE 5 TO 15 BELOW
ZERO RANGE. COUPLE THESE WITH THE WINDS AND WIND CHILLS OF 30 TO
35 BELOW CAN BE EXPECTED. WIND CHILL VALUES THIS LOW CAN LEAD TO
FROST BITE IN LESS THAN 30 MINUTES.

IAZ008>010-018-019-029-MNZ086-087-094-095-200530-
/O.CON.KARX.WW.Y.0003.080220T0000Z-080220T1800Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
320 PM CST TUE FEB 19 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY. 

WIND CHILLS OF 30 TO 35 BELOW ZERO CAN BE EXPECTED FROM LATE
TONIGHT THROUGH WEDNESDAY MORNING. WIND CHILLS THIS COLD CAN
RESULT IN FROST BITE IN UNDER 30 MINUTES.

IN ADDITION...GUSTY NORTHWEST WINDS WILL CAUSE BLOWING AND
DRIFTING SNOW TONIGHT INTO WEDNESDAY MORNING...ESPECIALLY IN OPEN AREAS.
THIS WILL LIKELY DETERIORATE POOR ROAD CONDITIONS EVEN FURTHER.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061-
200530-
/O.CON.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/
ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO-
TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-
RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
320 PM CST TUE FEB 19 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
12 PM CST WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
12 PM CST WEDNESDAY. 

WIND CHILLS OF 30 TO 35 BELOW ZERO CAN BE EXPECTED FROM LATE
TONIGHT THROUGH WEDNESDAY MORNING. WIND CHILLS THIS COLD CAN
RESULT IN FROST BITE IN UNDER 30 MINUTES.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

RIECK

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 200042
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
642 PM CST TUE FEB 19 2008

...DANGEROUS WIND CHILLS AND AREAS OF BLOWING SNOW TONIGHT...

.AN ARCTIC COLD FRONT WAS MOVING ACROSS THE REGION THIS EVENING...
BRINGING SOME LIGHT SNOW AND FLURRIES...ALONG WITH ANOTHER SURGE OF
WIND AND COLDER AIR. SNOW ACCUMULATION WILL BE LIGHT...A TRACE TO
AS MUCH AS A HALF INCH OR SO. BUT WITH THE INCREASING WINDS
EXPECTED...SOME DRIFTING AND AREAS OF BLOWING SNOW ARE ANTICIPATED.
CONDITIONS WILL BE WORST IN THE OPEN AND UNSHELTERED AREAS OF
SOUTHEAST MINNESOTA...NORTHEAST IOWA...AND AREA RIDGE TOPS. ROADS
IN THESE LOCATIONS ARE ALREADY SNOW COVERED IN PLACES...AND THIS
DRIFTING SNOW MAY LEAD TO EVEN WORSE TRAVEL CONDITIONS. BE PREPARED
FOR SLIPPERY CONDITIONS IF YOU PLAN TO DRIVE SOMEWHERE TONIGHT.

MEANWHILE...ANOTHER SURGE OF ARCTIC AIR WILL ARRIVE TONIGHT...WITH
TEMPERATURES BY WEDNESDAY MORNING IN THE 5 BELOW TO 15 BELOW ZERO
RANGE. WHEN COMBINED WITH BRISK NORTHWEST WINDS OF 10 TO 20 MPH...
WITH SOME GUSTS NEAR 25 MPH...WIND CHILL VALUES WILL PLUNGE TO 25
BELOW TO 35 BELOW ZERO. VALUES THIS LOW CAN LEAD TO FROSTBITE IN
LESS THAN 30 MINUTES. BE SURE TO BUNDLE UP AGAINST THE COLD.


IAZ008>010-018-019-029-MNZ086-087-094-095-200845-
/O.CON.KARX.WW.Y.0003.000000T0000Z-080220T1800Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
642 PM CST TUE FEB 19 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON WEDNESDAY.

A LIGHT COATING OF NEW SNOW DURING THE LATE AFTERNOON AND EVENING
HOURS COULD ADD UP TO A HALF-INCH OR SO. BRISK NORTHWEST WINDS
WILL BE FOUND ACROSS THE AREA TONIGHT...GUSTING TO 20 OR 25 MPH AT
TIMES. THESE WINDS WILL LEAD TO DRIFTING AND BLOWING OF THE SNOW...
GENERATING SLIPPERY ROADS AND LOCAL REDUCTIONS IN VISIBILITY...
ESPECIALLY IN OPEN AREAS.

IN ADDITION TO THE SNOW PROBLEMS...VERY COLD AIR WAS AGAIN 
INVADING...AND THE COMBINATION OF COLD AIR AND BRISK WINDS WILL
SEND WIND CHILL VALUES DOWN INTO THE TEENS AND 20S BELOW ZERO. 
LATE TONIGHT INTO TOMORROW MORNING...THE WIND CHILL COULD BE AS
COLD AS 30 TO 35 BELOW ZERO. WIND CHILLS THIS COLD CAN RESULT IN
FROSTBITE IN UNDER 30 MINUTES.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...COMBINED
WITH WIND AND COLD...WILL RESULT IN POTENTIALLY DANGEROUS CONDITIONS.
BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE
EXTRA CARE WHILE DRIVING.

$$

IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061-
200845-
/O.CON.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/
ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO-
TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-
RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
642 PM CST TUE FEB 19 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
12 PM CST WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL
NOON ON WEDNESDAY.

VERY COLD AIR WAS AGAIN POISED TO MOVE INTO THE REGION OVERNIGHT...
BEHIND AN ARCTIC COLD FRONT WHICH WAS CURRENTLY MOVING THROUGH THE
REGION. BRISK NORTHWEST WINDS WILL OCCUR BEHIND THE FRONT...WITH
GUSTS OF 20 TO 25 MPH POSSIBLE. THIS COMBINATION OF WIND AND COLD
WILL SEND WIND CHILL VALUES DOWN INTO THE TEENS AND 20S BELOW ZERO
OVERNIGHT. LATE TONIGHT INTO TOMORROW MORNING...THE WIND CHILL
COULD BE AS COLD AS 25 TO 30 BELOW ZERO. WIND CHILLS THIS COLD CAN
RESULT IN FROSTBITE IN UNDER 30 MINUTES. 

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK WINDS WILL
COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROSTBITE
AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST
VENTURE OUTDOORS...MAKE SURE YOU DRESS WARMLY...AND WEAR A HAT AND
GLOVES.

$$

MW

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 200347
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
947 PM CST TUE FEB 19 2008

...DANGEROUS WIND CHILLS AND AREAS OF BLOWING SNOW TONIGHT...

.COLD AIR WAS ONCE AGAIN SURGING INTO THE REGION BEHIND THE
PASSAGE OF AN ARCTIC COLD FRONT. BRISK NORTHWEST WINDS IN THE
WAKE OF THE FRONT WILL BRING THIS COLDER AIR INTO THE LOCAL AREA
OVERNIGHT. WIND SPEEDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25
MPH...WILL WORK IN CONCERT WITH AIR TEMPERATURES IN THE SINGLE
DIGITS AND TEENS BELOW ZERO...SENDING WIND CHILL VALUES DOWN TO
BETWEEN 25 BELOW AND 35 BELOW ZERO LATE TONIGHT INTO WEDNESDAY
MORNING. VALUES THIS LOW CAN LEAD TO FROSTBITE IN LESS THAN
30 MINUTES. BE SURE TO BUNDLE UP AGAINST THE COLD.

IN ADDITION TO THE EXTREME COLD...GUSTY WINDS MAY RESULT IN SOME
AREAS OF BLOWING AND DRIFTING. CONDITIONS ARE EXPECTED TO BE WORST
IN THE OPEN AND UNSHELTERED AREAS OF SOUTHEAST MINNESOTA AND 
NORTHEAST IOWA...AND ALONG AREA RIDGE TOPS. ROADS IN THESE
LOCATIONS ARE ALREADY SNOW COVERED IN PLACES...AND THIS DRIFTING
SNOW MAY LEAD TO EVEN WORSE TRAVEL CONDITIONS. BE PREPARED FOR
SLIPPERY CONDITIONS IF YOU PLAN TO DRIVE SOMEWHERE TONIGHT.


IAZ008>010-018-019-029-MNZ086-087-094-095-201200-
/O.CON.KARX.WW.Y.0003.000000T0000Z-080220T1800Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
947 PM CST TUE FEB 19 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON WEDNESDAY.

BRISK NORTHWEST WINDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25
MPH...WILL WORK IN CONCERT WITH TEMPERATURES BELOW ZERO...TO
PRODUCE DANGEROUS WIND CHILL VALUES OVERNIGHT. THE LOWEST WIND
CHILLS COULD BE FROM 30 TO 35 BELOW ZERO LATE TONIGHT INTO
WEDNESDAY MORNING. BITTER COLD LIKE THIS CAN RESULT IN FROSTBITE
IN UNDER 30 MINUTES. 

IN ADDITION TO THE COLD...THE WIND MAY ALSO GENERATE AREAS OF
DRIFTING AND BLOWING SNOW...WHICH COULD LEAD TO SLIPPERY ROADS
AND LOCAL REDUCTIONS IN VISIBILITY...ESPECIALLY IN OPEN AREAS.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...COMBINED
WITH WIND AND COLD...WILL RESULT IN POTENTIALLY DANGEROUS
CONDITIONS. BE PREPARED FOR SLIPPERY ROADS...LIMITED VISIBILITY...
AND THE EXTREME COLD. USE EXTRA CARE WHILE DRIVING...AND BE SURE
TO BUNDLE UP. 

$$

IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061-
201200-
/O.CON.KARX.WC.Y.0006.080220T0600Z-080220T1800Z/
ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO-
TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-
RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
947 PM CST TUE FEB 19 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON WEDNESDAY.

BRISK NORTHWEST WINDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25
MPH...WILL WORK IN CONCERT WITH TEMPERATURES BELOW ZERO...TO
PRODUCE DANGEROUS WIND CHILL VALUES OVERNIGHT. THE LOWEST WIND
CHILLS COULD BE FROM 25 TO 30 BELOW ZERO LATE TONIGHT INTO
WEDNESDAY MORNING. BITTER COLD LIKE THIS CAN RESULT IN FROSTBITE
IN UNDER 30 MINUTES.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU DRESS WARMLY...AND
WEAR A HAT AND GLOVES.

$$

MW

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 200730
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
130 AM CST WED FEB 20 2008

...DANGEROUS WIND CHILLS AND AREAS OF BLOWING SNOW THIS
MORNING...

.BRISK NORTHWEST WINDS IN THE WAKE OF AN ARCTIC FRONT WILL
CONTINUE TO BRING VERY COLD AIR INTO THE LOCAL AREA THIS MORNING.
WIND SPEEDS OF 10 TO 20 MPH...WITH GUSTS AROUND 25 MPH...WILL WORK
IN CONCERT WITH AIR TEMPERATURES IN THE SINGLE DIGITS AND TEENS
BELOW ZERO...SENDING WIND CHILL VALUES DOWN TO BETWEEN 25 BELOW
AND 35 BELOW ZERO THROUGH THIS MORNING. VALUES THIS LOW CAN LEAD
TO FROSTBITE IN LESS THAN 30 MINUTES. BE SURE TO BUNDLE UP TO
PROTECT AGAINST THE COLD.

IN ADDITION TO THE EXTREME COLD...GUSTY WINDS MAY RESULT IN SOME
AREAS OF BLOWING AND DRIFTING SNOW. CONDITIONS ARE EXPECTED TO BE
WORST IN THE OPEN AND UNSHELTERED AREAS OF SOUTHEAST MINNESOTA
AND NORTHEAST IOWA...AND ALONG AREA RIDGE TOPS. ROADS IN THESE
LOCATIONS ARE ALREADY SNOW COVERED IN PLACES...AND THIS DRIFTING
SNOW MAY LEAD TO EVEN WORSE TRAVEL CONDITIONS. BE PREPARED FOR
SLIPPERY CONDITIONS IF YOU PLAN TO TRAVEL EARLY THIS MORNING.

IAZ008>010-018-019-029-MNZ086-087-094-095-201530-
/O.CON.KARX.WW.Y.0003.000000T0000Z-080220T1800Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
130 AM CST WED FEB 20 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY.

BRISK NORTHWEST WINDS OF 10 TO 20 MPH...WITH GUSTS AROUND
25 MPH...WILL WORK IN CONCERT WITH TEMPERATURES BELOW ZERO...TO
PRODUCE DANGEROUS WIND CHILL VALUES EARLY THIS MORNING. THE
LOWEST WIND CHILLS COULD BE FROM 30 TO 35 BELOW ZERO THROUGH
THIS MORNING. BITTER COLD LIKE THIS CAN RESULT IN FROSTBITE
IN UNDER 30 MINUTES.

IN ADDITION TO THE COLD...THE WIND MAY ALSO GENERATE AREAS OF
DRIFTING AND BLOWING SNOW...WHICH COULD LEAD TO SLIPPERY ROADS
AND LOCAL REDUCTIONS IN VISIBILITY...ESPECIALLY IN OPEN AREAS.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...COMBINED
WITH WIND AND COLD...WILL RESULT IN POTENTIALLY DANGEROUS
CONDITIONS. BE PREPARED FOR SLIPPERY ROADS...LIMITED VISIBILITY...
AND THE EXTREME COLD. USE EXTRA CARE WHILE DRIVING...AND BE SURE
TO BUNDLE UP.

$$

IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061-
201530-
/O.CON.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/
ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO-
TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-
RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
130 AM CST WED FEB 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

BRISK NORTHWEST WINDS OF 10 TO 20 MPH...WITH GUSTS AROUND
25 MPH...WILL WORK IN CONCERT WITH TEMPERATURES BELOW ZERO...TO
PRODUCE DANGEROUS WIND CHILL VALUES EARLY THIS MORNING. THE
LOWEST WIND CHILLS COULD BE FROM 25 TO 30 BELOW ZERO THROUGH
THIS MORNING. BITTER COLD LIKE THIS CAN RESULT IN
FROSTBITE IN UNDER 30 MINUTES.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU DRESS WARMLY...AND
WEAR A HAT AND GLOVES.

$$

WEATHER.GOV/LACROSSE

THOMPSON
000 
WWUS43 KARX 200951
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
351 AM CST WED FEB 20 2008

...DANGEROUS WIND CHILLS EXPECTED THIS MORNING...

.THE COMBINATION OF TEMPERATURES RANGING FROM MINUS 5 TO MINUS 20
AND NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND
CHILLS IN THE MINUS 25 TO MINUS 40 RANGE THIS MORNING. WIND CHILL
VALUES THIS LOW CAN CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN TEN
MINUTES. 

WITH SLIGHTLY WARMER TEMPERATURES AND LIGHTER WINDS THIS AFTERNOON...
THE WIND CHILLS SHOULD IMPROVE INTO THE MINUS 10 TO MINUS 25 RANGE.

WITH WIND SPEEDS ONLY IN THE 10 TO 15 MPH RANGE...THE THREAT FOR
BLOWING SNOW SHOULD BE VERY MINIMAL ACROSS SOUTHEAST MINNESOTA AND
NORTHEAST IOWA. AS A RESULT...WE HAVE CANCELLED THE WINTER WEATHER
ADVISORY FOR THESE AREAS...AND REPLACED IT WITH A WIND CHILL
ADVISORY.

IAZ008>010-018-019-029-MNZ086-087-094-095-201800-
/O.CAN.KARX.WW.Y.0003.000000T0000Z-080220T1800Z/
/O.EXA.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-FAYETTE-DODGE-OLMSTED-
MOWER-FILLMORE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...OELWEIN...
ROCHESTER...AUSTIN
351 AM CST WED FEB 20 2008

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE WINTER
WEATHER ADVISORY HAS BEEN CANCELLED. 

THE COMBINATION OF TEMPERATURES RANGING FROM MINUS 5 TO MINUS 20
AND NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND
CHILLS IN THE MINUS 25 TO MINUS 40 RANGE THIS MORNING. WIND CHILL
VALUES THIS LOW CAN CAUSE FROST BITE IN LESS THAN TEN MINUTES.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

IAZ011-030-MNZ079-088-096-WIZ017-029-032>034-041>044-053>055-061-
201800-
/O.CON.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/
ALLAMAKEE-CLAYTON-WABASHA-WINONA-HOUSTON-TAYLOR-CLARK-BUFFALO-
TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-CRAWFORD-
RICHLAND-GRANT-
INCLUDING THE CITIES OF...WAUKON...WINONA...MEDFORD...
NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...
MAUSTON...VIROQUA...PRAIRIE DU CHIEN...RICHLAND CENTER...
PLATTEVILLE
351 AM CST WED FEB 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

THE COMBINATION OF TEMPERATURES RANGING FROM MINUS 5 TO MINUS 20
AND NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND
CHILLS IN THE MINUS 25 TO MINUS 40 RANGE THIS MORNING. WIND CHILL
VALUES THIS LOW CAN CAUSE FROST BITE IN LESS THAN TEN MINUTES.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND BRISK WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROSTBITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU DRESS WARMLY...AND
WEAR A HAT AND GLOVES.

$$

BOYNE

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 201536
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
936 AM CST WED FEB 20 2008

...DANGEROUS WIND CHILLS TO CONTINUE THE REMAINDER OF THE MORNING...

.THE COMBINATION OF TEMPERATURES RANGING FROM 0 TO MINUS 10 AND
NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND CHILLS
IN THE MINUS 15 TO MINUS 30 RANGE THROUGH THE REMAINDER OF THE MORNING.

WITH SLIGHTLY WARMER TEMPERATURES AND LIGHTER WINDS THIS
AFTERNOON... THE WIND CHILLS SHOULD IMPROVE.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-201800-
/O.CON.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/
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
936 AM CST WED FEB 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

THE COMBINATION OF TEMPERATURES RANGING FROM 0 TO MINUS 5 AND
NORTHWEST WINDS IN THE 10 TO 15 MPH RANGE WILL PRODUCE WIND CHILLS
IN THE MINUS 15 TO MINUS 30 RANGE THIS MORNING. 

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

RABERDING

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 201755
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1155 AM CST WED FEB 20 2008

...CONDITIONS IMPROVING ACROSS THE AREA...

.HIGH PRESSURE OVER THE EASTERN DAKOTAS WAS BUILDING SOUTHWARD
INTO THE AREA. WITH TEMPERATURES ON THE SLOW RISE AND WINDS
DIMINISHING...WIND CHILL READINGS ARE NO LONGER IN THE ADVISORY
CRITERIA.

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-201900-
/O.EXP.KARX.WC.Y.0006.000000T0000Z-080220T1800Z/
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
1155 AM CST WED FEB 20 2008

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

THE WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY. 

CONDITIONS WILL CONTINUE TO IMPROVE THROUGH THE AFTERNOON AND THUS
THE WIND CHILL ADVISORY IS BEING ALLOWED TO EXPIRE. SOME SUB ZERO
WIND CHILLS ARE STILL LIKELY THIS AFTERNOON ALONG WITH THE COLD
TEMPERATURES...BUT WILL NOT REACH ADVISORY CRITERIA.

$$

RABERDING

WEATHER.GOV/LACROSSE

What forecasters said that day

The local office's own words before this wind chill 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 chill advisory went out at Feb 18, 8:59 PM CST, 6 hours 50 minutes earlier.

Area forecast discussion, Feb 18, 8:59 PM CST, 6 hours 50 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
859 PM CST MON FEB 18 2008

.UPDATE...
MAIN UPDATE WAS TO MOVE CURRENT FLURRY/VERY LIGHT SNOW ACTION OUT
OF THE FORECAST WITH VERY LITTLE HITTING THE GROUND NOW PER
OBSERVATION NETWORK IN WRN WISCONSIN. CLEARED THINGS OUT IN THE
GRIDS AFTER MIDNIGHT INTO MUCH OF TUES MORNING BEFORE NEXT WAVE
WITH AMPLE LIFT BUT LESS MOISTURE MOVES ACROSS THE AREA. DESPITE
MEAGER MOISTURE IN ARCTIC AIRMASS...ENOUGH FORCING AND A
CONSISTENT ENOUGH QPF SIGNAL IN RECENT NAM-WRFS/GFS/SREFS RUNS TO
WARRANT LOW-END LIKELY POPS IN NERN IOWA WHERE UP TO AN INCH OF
SNOW MAY FALL. THIS MAY ALSO EXPAND INTO SERN MN DURING THE
AFTERNOON/EARLY EVENING...SO FUTURE SHIFTS WILL NEED TO WATCH. A
LITTLE BURST OF WIND WILL HAMPER THE ONGOING DRIFTING SNOW
ISSUES...AND IF A LITTLE POWDER FALLS...COULD SEE SOME PRETTY GOOD
BLOWING SNOW/DRIFTING AGAIN TOMORROW NIGHT. PER PREVIOUS SPECIAL
WEATHER STATEMENT...ROAD CONDITIONS IN FORECAST AREA...ESPECIALLY
WEST OF THE MS RIVER...STILL VERY POOR. WIND CHILLS TONIGHT
BORDERLINE FOR AN ADVISORY...WILL LIKELY SEE WINDS PULL BACK
THROUGH THE REST OF THE NIGHT AND BE OFFSET BY A PRETTY GOOD
TEMPERATURE DROP. MID SHIFT CAN ISSUE FOR THE MORNING
COMMUTE/SCHOOLS IF THINGS WORSEN BEYOND CURRENT
EXPECTATIONS...WHICH IS WIDESPREAD 15 TO 20 BELOW AND FEW WIND
PRONE SITES TO -25.

BINAU

&&

.PREV DISCUSSION... /ISSUED 230 PM CST MON FEB 18 2008/

SHORT TERM...THROUGH WEDNESDAY NIGHT

MAIN CONCERN IS WITH THE SNOW CHANCES THROUGH THE PERIOD AS
SEVERAL DISTURBANCES COME ACROSS THE AREA.

SURFACE ANALYSIS THIS AFTERNOON A COUPLE WEAK TROUGHS OF LOW
PRESSURE ROTATING ACROSS THE UPPER MIDWEST. LOCAL AND REGIONAL
RADARS SHOW SNOW SHOWERS FALLING OVER A GOOD SHARE OF THE NORTHERN
HALF OF WISCONSIN.

SNOW SHOWERS TODAY ARE IN ASSOCIATION WITH A PRETTY DECENT SHORT
WAVE TROUGH CURRENTLY COMING ACROSS EASTERN MINNESOTA. THIS WAVE
WILL CONTINUE TO PIVOT SOUTHEAST AND WILL BE PAST THE AREA THIS
EVENING. QG CONVERGENCE WITH THIS WAVE RAPIDLY DECREASES AFTER 00Z
BUT UPPER LEVEL CYCLONIC FLOW AND COLD POOL ALOFT REMAINS OVER THE
REGION. BUFKIT SOUNDINGS FOR THE CENTRAL PART OF THE STATE STAY
AROUND 7 TO 8 C/KM THROUGH 06Z. INITIAL FEELING IS THAT THE SNOW
SHOWERS WILL RAPIDLY DISSIPATE BEFORE 03Z BUT COULD SEE SOME HOLD
ON THROUGH 06Z UNTIL THE LOW LEVEL INSTABILITY DISSIPATES.

THE NEXT SHORT WAVE TROUGH DROPPING INTO THE MEAN LONG WAVE TROUGH
WILL COME ACROSS THE UPPER MIDWEST TUESDAY AFTERNOON AND NIGHT.
VERY SIMILAR CONDITIONS TO THE WAVE TODAY WITH MODERATE TO STRONG
QG CONVERGENCE AND AROUND 3 MICROBARS/S OF UPGLIDE ON THE 275K
ISENTROPIC SURFACE. HOWEVER...LOW LEVEL LAPSE RATES ARE NOT
EXPECTED TO BE QUITE AS GOOD SO COVERAGE OF THE SNOW SHOWERS MAY
BE AS MUCH AS TODAY. WILL MAINTAIN THE CHANCE POPS WITH THIS
FEATURE FOR THE AFTERNOON AND EXPANDED THE POPS BACK FARTHER TO
THE WEST TUESDAY EVENING. AFTER THAT...WILL REMAIN IN THE NORTH TO
NORTHWEST FLOW THROUGH WEDNESDAY NIGHT BUT NO SHORT WAVE TROUGHS
ARE EXPECTED TO IMPACT THE AREA WITH SURFACE HIGH PRESSURE
BUILDING INTO THE REGION.

LONG TERM...THURSDAY THROUGH MONDAY

NOT A LOT OF AGREEMENT BETWEEN THE OPERATIONAL 18.06Z GFS AND THE
18.00Z ECMWF THROUGH THE PERIOD. BOTH MODELS AGREE THAT A NORTHERN
STREAM SHORT WAVE TROUGH WILL BE DROPPING SOUTH THROUGH THE UPPER
MIDWEST EARLY IN THE PERIOD. DIFFERENCE EXIST AS TO THE POSITION OF
THE SURFACE LOW COMING UP INTO THE OHIO VALLEY. THE GFS IS FARTHER
NORTH WITH THIS FEATURE THAN THE ECMWF AND THE 18.00Z GFS MEAN
ENSEMBLE. WITH THE ECMWF AND GFS ENSEMBLES IN VERY GOOD AGREEMENT
HAVE STAYED WITH THE DRY FORECAST FOR THURSDAY AND ALSO REMOVED THE
POPS FOR FRIDAY AS THE LOW AND ASSOCIATED PRECIPITATION EXPECTED TO
STAY SOUTH OF THE AREA. MORE DISAGREEMENTS TOWARD THE END OF THE
PERIOD WITH THE NEXT SYSTEM COMING OUT OF THE SOUTHWEST. THE GFS IS
CONSIDERABLY STRONGER THAN THE ECMWF AND THROWS A LOT MORE QPF ON
THE AREA. THE ECMWF DOES SHOW A SYSTEM COMING OUT AS WELL SO WILL
INCLUDE SOME CHANCE POPS IN THE END OF THE PERIOD.

AVIATION...

AN UPPER LEVEL DISTURBANCE WILL BE ROTATING SOUTHEAST ACROSS THE
AREA THROUGH THIS EVENING PRODUCING SCATTERED TO NUMEROUS SNOW
SHOWERS. IN ADDITION.. A TIGHT PRESSURE GRADIENT IN PLACE ACROSS THE
AREA WILL PRODUCE GUSTY NORTHWEST WINDS GOING INTO THIS EVENING WITH
AREAS OF BLOWING AND DRIFTING SNOW. THIS WILL BE ESPECIALLY TRUE ACROSS
THE HIGHER TERRAIN AND OPEN AREAS OF SOUTHEAST MINNESOTA...INCLUDING
THE KRST TAF SITE WHERE VSBY WILL BE REDUCED TO A MILE AT TIMES.
OTHERWISE...CLOUD CEILING ARE EXPECTED TO REMAIN IN MVFR CATEGORY.
ONCE THE UPPER LEVEL DISTURBANCE PASSES THROUGH THE AREA LATER THIS
EVENING...THE SNOW SHOWERS WILL DIMINISH AS WILL THE WINDS AND AREAS
OF BLOWING SNOW. A WEAK RIDGE OF HIGH PRESSURE WILL HELP TO SCATTER
CLOUDS BY EARLY TUESDAY MORNING. LOOKING FURTHER...A CHANCE OF -SN
WILL RETURN TO THE AREA TUESDAY AFTERNOON AS ANOTHER UPPER LEVEL
DISTURBANCE ROTATES ACROSS THE AREA.

&&

.ARX WATCHES/WARNINGS/ADVISORIES...
WI...NONE.
MN...NONE.
IA...NONE.
&&
Hazardous weather outlook, Feb 18, 9:03 PM CST, 6 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
903 PM CST MON FEB 18 2008

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034-
041>044-053>055-061-191200-
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-
903 PM CST MON FEB 18 2008

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

.DAY ONE...TONIGHT

WIND CHILLS WILL LIKELY RANGE FROM 15 TO 25 BELOW ACROSS THE AREA
OVERNIGHT. WIND CHILLS IN THESE RANGES CAN CAUSE EXPOSED
SKIN TO FREEZE IN LESS THAN 30 MINUTES. THERE WILL ALSO BE CONTINUED
POOR TRAVEL CONDITIONS ON MAJOR ROADS FROM BLACK ICE AS A RESULT OF
HEAVY GROUND DRIFTING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

WIND CHILLS WILL LIKELY REMAIN IN THE 20 TO 25 BELOW ZERO RANGE
TUESDAY MORNING...AND ALSO AGAIN ON TUESDAY NIGHT. WIND
CHILLS IN THESE RANGES CAN CAUSE EXPOSED SKIN TO FREEZE IN LESS THAN
30 MINUTES.

A LITTLE LIGHT SNOW WILL SPREAD ACROSS THE AREA ON TUESDAY...WITH
THE POTENTIAL FOR A FLUFFY INCH OF SNOW ACROSS AREAS SOUTH OF
INTERSTATE 90. BLOWING SNOW WILL AGAIN BE POSSIBLE TUESDAY NIGHT IN
THE WAKE OF THIS LIGHT SNOW AS WINDS AGAIN INCREASE TO 15 TO 25 MPH.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

.EMERGENCY MANAGEMENT COORDINATION...

NO CALL IS SCHEDULED.

BINAU

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 19, 3:49 AM CSTWinter Weather AdvisoryARXDodge, Fillmore, Mower, Olmsted24 hr

Nearby

Wind Chill Advisories in Wisconsin, 2008Wind Chill Advisories in Iowa, 2008Wind Chill Advisories in Minnesota, 2008Every wind chill 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.