Alert archive / Wisconsin / Winter Storm Warnings in 2012

Winter Storm Warning 3, NWS La Crosse, WI

December 18, 20126 counties in Wisconsin; Allamakee County, Clayton County, Fayette County, Iowa

NWS La Crosse, WI issued this winter storm warning at Dec 18, 2012, 3:34 PM CST for 6 counties in Wisconsin; Allamakee County, Clayton County, Fayette County, Iowa. It took effect at Dec 19, 2012, 6:00 PM CST. It was in force for . No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 18, 2012, 3:34 PM CST (21:34 UTC)
In effect from
Dec 19, 2012, 6:00 PM CST
Expired
Dec 19, 2012, 4:03 AM CST
In force
Issued by
NWS La Crosse, WI

Counties Allamakee County, IA, Clayton County, IA, Fayette County, IA, Adams County, WI, Crawford County, WI, Grant County, WI, Juneau County, WI, Richland County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 63 km from the middle of the area, began a volume at 21:33 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

Davenport, (KDVN), launched 12:00Z, 9.6 hours before the alert went out and 192 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, Davenport, at 12:00Z on 2012-12-18Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2012-12-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 square meters per square second.1939587897Sfc1 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
599 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
342 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.

246 
WWUS43 KARX 182134
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
334 PM CST TUE DEC 18 2012

...DANGEROUS WINTER STORM IMPACTS TO START WEDNESDAY NIGHT...

.A DANGEROUS WINTER STORM WILL MOVE THROUGH THE REGION WEDNESDAY
NIGHT AND THURSDAY WITH HEAVY SNOW AND NEAR BLIZZARD CONDITIONS
AT TIMES. THE MOST DANGEROUS CONDITIONS WILL BE FOUND FROM EASTERN
IOWA INTO SOUTHERN WISCONSIN WHERE WINTER STORM WARNINGS ARE NOW
IN EFFECT. FROM CHARLES CITY IOWA TO LA CROSSE WISCONSIN TO
WAUSAU...WINTER STORM WATCHES ARE IN EFFECT...AS THERE IS STILL
SOME QUESTION AS TO THE SEVERITY OF THE IMPACTS.

PLAN ON IMPACTS WITH THIS STORM. WITH WINDS OF 25 TO 40
MPH...DRIFTING SNOW AND ROAD CLOSURES ARE EXPECTED IN THE WARNING
AREA. TRAVEL WILL BE DANGEROUS AND POSSIBLY LIFE-THREATENING.

THE STORM WILL MOVE QUICKLY EAST AND TRAVEL CONDITIONS ON FRIDAY
WILL BE SIGNIFICANTLY IMPROVED. 

IAZ011-029-030-WIZ043-044-053>055-061-190545-
/O.UPG.KARX.WS.A.0005.121220T0000Z-121221T0000Z/
/O.NEW.KARX.WS.W.0003.121220T0000Z-121221T0000Z/
ALLAMAKEE-FAYETTE-CLAYTON-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-
GRANT-
INCLUDING THE CITIES OF...WAUKON...OELWEIN...MAUSTON...VIROQUA...
PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
334 PM CST TUE DEC 18 2012

...WINTER STORM WARNING IN EFFECT FROM 6 PM WEDNESDAY TO 6 PM CST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM 6 PM WEDNESDAY TO 6 PM CST THURSDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT.

* HEAVY SNOW WEDNESDAY EVENING THROUGH THURSDAY.

* A TOTAL OF 8 TO 12 INCHES OF SNOW IS EXPECTED.

* SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL AND COULD CAUSE NEAR BLIZZARD AND
  WHITEOUT CONDITIONS.

* SIGNIFICANT BLOWING AND DRIFTING SNOW WILL CAUSE 2 TO 4 FOOT
  SNOW DRIFTS...ESPECIALLY ON RIDGE TOPS. 

* TRAVEL WILL BE DANGEROUS WITH MANY ROADS EXPECTED TO BE DRIFTED
  CLOSED...ESPECIALLY ON RIDGE TOPS. SCHOOL AND BUSINESS CLOSURES
  ARE ALSO ANTICIPATED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. 
&&

$$

IAZ008-MNZ088-094-095-WIZ029-033-190545-
/O.EXA.KARX.WS.A.0005.121220T0000Z-121221T0000Z/
MITCHELL-WINONA-MOWER-FILLMORE-CLARK-TREMPEALEAU-
INCLUDING THE CITIES OF...WINONA...AUSTIN...NEILLSVILLE
334 PM CST TUE DEC 18 2012

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON. 

* HEAVY SNOW APPEARS LIKELY WEDNESDAY EVENING THROUGH THURSDAY.

* A TOTAL OF 4 TO 8 INCHES OF SNOW LOOKS LIKELY AND WINTER STORM
  WARNINGS MAY BE NEEDED SOON. 

* SUSTAINED WINDS OF 15 TO 30 MPH WITH GUSTS TO 35 TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL AND COULD CAUSE NEAR BLIZZARD
  CONDITIONS.

* BLOWING AND DRIFTING SNOW COULD CAUSE ROAD CLOSURES AND
  LOCALIZED WHITE OUT CONDITIONS THURSDAY.

* THIS STORM WILL LIKELY HAVE A HIGH IMPACT ON TRAVEL. THOSE 
  TRAVELING OR COMMUTING COULD FACE DANGEROUS DRIVING 
  CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

IAZ009-010-018-019-MNZ096-WIZ034-041-042-190545-
/O.CON.KARX.WS.A.0005.121220T0000Z-121221T0000Z/
HOWARD-WINNESHIEK-FLOYD-CHICKASAW-HOUSTON-JACKSON-LA CROSSE-
MONROE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...NEW HAMPTON...
BLACK RIVER FALLS...LA CROSSE...SPARTA...TOMAH
334 PM CST TUE DEC 18 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY AFTERNOON...

* HEAVY SNOW APPEARS LIKELY WEDNESDAY EVENING THROUGH THURSDAY.

* A TOTAL OF 4 TO 8 INCHES OF SNOW LOOKS LIKELY AND WINTER STORM
  WARNINGS MAY BE NEEDED SOON. 

* SUSTAINED WINDS OF 15 TO 30 MPH WITH GUSTS TO 35 TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL AND COULD CAUSE NEAR BLIZZARD
  CONDITIONS.

* BLOWING AND DRIFTING SNOW COULD CAUSE ROAD CLOSURES AND
  LOCALIZED WHITE OUT CONDITIONS THURSDAY.

* THIS STORM WILL LIKELY HAVE A HIGH IMPACT ON TRAVEL. THOSE 
  TRAVELING OR COMMUTING COULD FACE DANGEROUS DRIVING 
  CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

BAUMGARDT

WEATHER.GOV/LACROSSE
3 follow-up statements
526 
WWUS43 KARX 190211
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
811 PM CST TUE DEC 18 2012

...DANGEROUS WINTER STORM MOVES IN WEDNESDAY NIGHT...

.HEAVY SNOW AND NEAR BLIZZARD CONDITIONS WILL ACCOMPANY A
DANGEROUS WINTER STORM WEDNESDAY NIGHT THROUGH THURSDAY. 
THE MOST DANGEROUS CONDITIONS WILL BE FOUND FROM EASTERN IOWA
INTO SOUTHERN WISCONSIN WHERE WINTER STORM WARNINGS ARE IN
EFFECT. FROM CHARLES CITY IOWA TO LA CROSSE WISCONSIN TO
WAUSAU...WINTER STORM WATCHES ARE IN EFFECT...AS THERE IS STILL
UNCERTAINTY TO THE SEVERITY OF THE IMPACTS.

IN ADDITION TO HEAVY SNOW...WINDS OF 25 TO 40 MPH WILL RESULT IN
DRIFTING SNOW AND POTENTIALLY WHITEOUT CONDITIONS IN THE WARNING
AREA. THERE WILL BE ROAD CLOSURES. TRAVEL WILL BE DANGEROUS AND
POSSIBLY LIFE THREATENING.

THE STORM WILL MOVE QUICKLY EAST AND TRAVEL CONDITIONS ON FRIDAY
WILL BE IMPROVED.

IAZ011-029-030-WIZ043-044-053>055-061-191015-
/O.CON.KARX.WS.W.0003.121220T0000Z-121221T0000Z/
ALLAMAKEE-FAYETTE-CLAYTON-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-
GRANT-
INCLUDING THE CITIES OF...WAUKON...OELWEIN...MAUSTON...VIROQUA...
PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
811 PM CST TUE DEC 18 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM WEDNESDAY TO
6 PM CST THURSDAY...

* HEAVY SNOW WEDNESDAY EVENING THROUGH THURSDAY.

* 8 TO 12 INCHES OF SNOW.

* SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL AND COULD CAUSE NEAR BLIZZARD AND
  WHITEOUT CONDITIONS.

* SIGNIFICANT BLOWING AND DRIFTING SNOW WILL CAUSE 2 TO 4 FOOT 
  SNOW DRIFTS...ESPECIALLY ON RIDGE TOPS. 

* TRAVEL WILL BE DANGEROUS WITH MANY ROADS EXPECTED TO BE 
  DRIFTED CLOSED...ESPECIALLY ON RIDGE TOPS. SCHOOL AND BUSINESS 
  CLOSURES ARE ALSO ANTICIPATED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. 
&&

$$

IAZ008>010-018-019-MNZ088-094>096-WIZ029-033-034-041-042-191015-
/O.CON.KARX.WS.A.0005.121220T0000Z-121221T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-WINONA-MOWER-FILLMORE-
HOUSTON-CLARK-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...NEW HAMPTON...
WINONA...AUSTIN...NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...
SPARTA...TOMAH
811 PM CST TUE DEC 18 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY AFTERNOON...

* HEAVY SNOW APPEARS LIKELY WEDNESDAY EVENING THROUGH THURSDAY.

* 4 TO 8 INCHES OF SNOW LOOKS LIKELY. WINTER STORM WARNINGS MAY
  BE NEEDED SOON.

* SUSTAINED WINDS OF 15 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL AND COULD CAUSE NEAR BLIZZARD
  CONDITIONS.

* BLOWING AND DRIFTING SNOW COULD RESULT IN ROAD CLOSURES AND
  LOCALIZED WHITEOUT CONDITIONS THURSDAY.

* THIS STORM WILL HAVE A HIGH IMPACT ON TRAVEL. THOSE TRAVELING
  OR COMMUTING COULD FACE DANGEROUS DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

RIECK

WEATHER.GOV/LACROSSE
302 
WWUS43 KARX 190531
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1131 PM CST TUE DEC 18 2012

...DANGEROUS WINTER STORM MOVES IN WEDNESDAY NIGHT...

.HEAVY SNOW AND NEAR BLIZZARD CONDITIONS WILL ACCOMPANY A
WINTER STORM WEDNESDAY NIGHT THROUGH THURSDAY. THE MOST DANGEROUS
CONDITIONS WILL BE FOUND FROM EASTERN IOWA INTO SOUTHERN WISCONSIN
WHERE WINTER STORM WARNINGS ARE IN EFFECT. FROM CHARLES CITY IOWA
TO LA CROSSE WISCONSIN TO WAUSAU...WINTER STORM WATCHES ARE IN
EFFECT. THE WATCHES WILL LIKELY BE REPLACED BY WARNINGS OR
ADVISORIES WEDNESDAY MORNING. 

IN ADDITION TO HEAVY SNOW...WINDS OF 25 TO 40 MPH WILL RESULT IN
DRIFTING SNOW AND POTENTIALLY WHITEOUT CONDITIONS IN THE WARNING
AREA. THERE WILL BE ROAD CLOSURES. TRAVEL WILL BE DANGEROUS AND
POSSIBLY LIFE THREATENING.

THE STORM WILL MOVE QUICKLY EAST AND TRAVEL CONDITIONS ON FRIDAY
WILL BE IMPROVED.

IAZ011-029-030-WIZ043-044-053>055-061-191345-
/O.CON.KARX.WS.W.0003.121220T0000Z-121221T0000Z/
ALLAMAKEE-FAYETTE-CLAYTON-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-
GRANT-
INCLUDING THE CITIES OF...WAUKON...OELWEIN...MAUSTON...VIROQUA...
PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
1131 PM CST TUE DEC 18 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM WEDNESDAY TO
6 PM CST THURSDAY...

* HEAVY SNOW WEDNESDAY EVENING THROUGH THURSDAY.

* 8 TO 12 INCHES OF SNOW.

* SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL. NEAR BLIZZARD AND WHITEOUT
  CONDITIONS ARE LIKELY.

* SIGNIFICANT BLOWING AND DRIFTING SNOW WILL CAUSE 2 TO 4 FOOT 
  SNOW DRIFTS...ESPECIALLY ON RIDGE TOPS. 

* TRAVEL WILL BE DANGEROUS WITH MANY ROADS EXPECTED TO BE DRIFTED
  CLOSED...ESPECIALLY ON RIDGE TOPS. SCHOOL AND BUSINESS CLOSURES
  ARE ALSO ANTICIPATED. DO NOT TRAVEL UNLESS ABSOLUTELY NECESSARY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. 
&&

$$

IAZ008>010-018-019-MNZ088-094>096-WIZ029-033-034-041-042-191345-
/O.CON.KARX.WS.A.0005.121220T0000Z-121221T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-WINONA-MOWER-FILLMORE-
HOUSTON-CLARK-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...NEW HAMPTON...
WINONA...AUSTIN...NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...
SPARTA...TOMAH
1131 PM CST TUE DEC 18 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY AFTERNOON...

* HEAVY SNOW APPEARS LIKELY WEDNESDAY EVENING THROUGH THURSDAY.

* 4 TO 8 INCHES OF SNOW LOOKS LIKELY. WINTER STORM WARNINGS MAY
  BE NEEDED SOON.

* SUSTAINED WINDS OF 15 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH 
  WILL ACCOMPANY THE HEAVY SNOWFALL AND COULD CAUSE NEAR 
  BLIZZARD CONDITIONS. 

* BLOWING AND DRIFTING SNOW COULD RESULT IN ROAD CLOSURES AND 
  LOCALIZED WHITEOUT CONDITIONS THURSDAY. 

* THIS STORM WILL HAVE A HIGH IMPACT ON TRAVEL. THOSE TRAVELING 
  OR COMMUTING COULD FACE DANGEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

&&

$$

RIECK

WEATHER.GOV/LACROSSE
660 
WWUS43 KARX 191003
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
403 AM CST WED DEC 19 2012

...DEVELOPING BLIZZARD TO BEGIN TONIGHT...

.BLIZZARD CONDITIONS ARE EXPECTED TO DEVELOP FROM CENTRAL
WISCONSIN INTO EASTERN IOWA TONIGHT INTO TOMORROW. HEAVY SNOWFALL
WILL BEGIN THIS EVENING WITH WINDS STRENGTHENING TO 25 TO 40 MPH
TOMORROW MORNING. THE HEAVIEST SNOW WILL FALL FROM CENTRAL
WISCONSIN INTO EASTERN IOWA AND IS EXPECTED TO BE IN THE 10 TO 16
INCH RANGE BEFORE THE SNOW TAPERS OFF TOMORROW EVENING. DUE TO
THE COMBINATION OF HEAVY SNOW AND STRONG WINDS...THE PREVIOUS
WINTER STORM WARNING HAS BEEN UPGRADED TO A BLIZZARD WARNING.

SNOWFALL AMOUNTS WILL LESSEN TO THE NORTHWEST...BUT CONDITIONS MAY
BE JUST AS BAD WITH THE STRONG WINDS OCCURRING REGION WIDE.
THEREFORE...WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES
HAVE BEEN ISSUED AS WELL. SNOW TOTALS FROM NORTH CENTRAL WISCONSIN
THROUGH PORTIONS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA WILL BE
IN THE 5 TO 10 INCH RANGE.  FROM NORTHWEST WISCONSIN INTO SOUTH
CENTRAL MINNESOTA SNOW TOTALS WILL BE IN THE 2 TO 5 INCH RANGE.
WHILE LESSER SNOW MAY FALL IN OLMSTED...DODGE AND MOWER COUNTIES
IN MINNESOTA...THESE WIND PRONE AREAS MAY SEE SOME BRIEF WHITEOUT
CONDITIONS AND THEREFORE HAVE BEEN PUT INTO THE WARNING AS WELL.

WHITEOUT CONDITIONS WILL LEAD TO DANGEROUS DRIVING CONDITIONS
REGION WIDE. SNOW PLOWS WILL LIKELY NOT BE ABLE TO KEEP UP WITH
THE DRIFTING SNOW ON ROADWAYS...PARTICULARLY ON THURSDAY MORNING
AND AFTERNOON AS THE WINDS PICK UP...LEADING TO ROAD CLOSURES. THIS
MEANS THAT IF YOU ARE DRIVING AND GO INTO THE DITCH THAT FIRST
RESPONDERS WILL LIKELY NOT BE ABLE TO GET TO YOU. ADJUST TRAVEL
PLANS NOW BEFORE THE STORM HITS OR WAIT UNTIL IT PASSES AND ROADS
ARE CLEARED.

IAZ011-029-030-WIZ043-044-053>055-061-191815-
/O.CAN.KARX.WS.W.0003.121220T0000Z-121221T0000Z/
/O.NEW.KARX.BZ.W.0001.121220T0000Z-121221T0000Z/
ALLAMAKEE-FAYETTE-CLAYTON-JUNEAU-ADAMS-VERNON-CRAWFORD-RICHLAND-
GRANT-
INCLUDING THE CITIES OF...WAUKON...OELWEIN...MAUSTON...VIROQUA...
PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
403 AM CST WED DEC 19 2012

...BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST
THURSDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST
THURSDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

* HEAVY SNOW WILL FALL TONIGHT INTO TOMORROW AFTERNOON.

* 10 TO 16 INCHES OF SNOW IS EXPECTED TO FALL.

* SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL...PARTICULARLY TOMORROW MORNING AND
  AFTERNOON. BLIZZARD AND WHITEOUT CONDITIONS WILL OCCUR WITH
  VISIBILITY DROPPING BELOW A QUARTER OF A MILE.

* SIGNIFICANT BLOWING AND DRIFTING SNOW WILL CAUSE 2 TO 4 FOOT 
  SNOW DRIFTS...ESPECIALLY ON RIDGE TOPS. 

* TRAVEL WILL BE DANGEROUS WITH MANY ROADS EXPECTED TO BE DRIFTED
  CLOSED...ESPECIALLY ON RIDGE TOPS. SCHOOL AND BUSINESS CLOSURES
  ARE ALSO ANTICIPATED. DO NOT TRAVEL UNLESS ABSOLUTELY NECESSARY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. THE LATEST ROAD CONDITIONS FOR
THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.

&&

$$

WIZ042-191815-
/O.UPG.KARX.WS.A.0005.121220T0000Z-121221T0000Z/
/O.NEW.KARX.BZ.W.0001.121220T0000Z-121221T0000Z/
MONROE-
INCLUDING THE CITIES OF...SPARTA...TOMAH
403 AM CST WED DEC 19 2012

...BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST
THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

* HEAVY SNOW WILL FALL TONIGHT INTO TOMORROW AFTERNOON.

* 10 TO 16 INCHES OF SNOW IS EXPECTED TO FALL.

* SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL...PARTICULARLY TOMORROW MORNING AND
  AFTERNOON. BLIZZARD AND WHITEOUT CONDITIONS WILL OCCUR WITH
  VISIBILITY DROPPING BELOW A QUARTER OF A MILE.

* SIGNIFICANT BLOWING AND DRIFTING SNOW WILL CAUSE 2 TO 4 FOOT 
  SNOW DRIFTS...ESPECIALLY ON RIDGE TOPS. 

* TRAVEL WILL BE DANGEROUS WITH MANY ROADS EXPECTED TO BE DRIFTED
  CLOSED...ESPECIALLY ON RIDGE TOPS. SCHOOL AND BUSINESS CLOSURES
  ARE ALSO ANTICIPATED. DO NOT TRAVEL UNLESS ABSOLUTELY NECESSARY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. THE LATEST ROAD CONDITIONS FOR
THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.

&&

$$

IAZ008>010-018-019-MNZ088-095-096-WIZ029-033-034-041-191815-
/O.UPG.KARX.WS.A.0005.121220T0000Z-121221T0000Z/
/O.NEW.KARX.WS.W.0004.121220T0000Z-121221T0000Z/
MITCHELL-HOWARD-WINNESHIEK-FLOYD-CHICKASAW-WINONA-FILLMORE-
HOUSTON-CLARK-TREMPEALEAU-JACKSON-LA CROSSE-
INCLUDING THE CITIES OF...DECORAH...CHARLES CITY...NEW HAMPTON...
WINONA...NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE
403 AM CST WED DEC 19 2012

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN EFFECT
FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY. THE WINTER STORM
WATCH IS NO LONGER IN EFFECT. 

* HEAVY SNOW WILL FALL TONIGHT INTO TOMORROW.

* 5 TO 10 INCHES OF SNOW IS EXPECTED TO FALL. 

* SUSTAINED WINDS OF 15 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL AND COULD CAUSE NEAR BLIZZARD
  CONDITIONS....PARTICULARLY TOMORROW MORNING AND AFTERNOON.

* BLOWING AND DRIFTING SNOW COULD RESULT IN ROAD CLOSURES AND
  LOCALIZED WHITEOUT CONDITIONS TOMORROW.

* THIS STORM WILL HAVE A HIGH IMPACT ON TRAVEL. THOSE TRAVELING 
  OR COMMUTING COULD FACE DANGEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE
CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.

&&

$$

MNZ094-191815-
/O.UPG.KARX.WS.A.0005.121220T0000Z-121221T0000Z/
/O.NEW.KARX.WS.W.0004.121220T0000Z-121221T0000Z/
MOWER-
INCLUDING THE CITY OF...AUSTIN
403 AM CST WED DEC 19 2012

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT.

* HEAVY SNOW WILL FALL TONIGHT INTO TOMORROW.

* 3 TO 6 INCHES OF SNOW IS EXPECTED TO FALL.

* SUSTAINED WINDS OF 15 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL AND COULD CAUSE NEAR BLIZZARD
  CONDITIONS...PARTICULARLY TOMORROW MORNING AND AFTERNOON.

* BLOWING AND DRIFTING SNOW COULD RESULT IN ROAD CLOSURES AND
  LOCALIZED WHITEOUT CONDITIONS TOMORROW.

* THIS STORM WILL HAVE A HIGH IMPACT ON TRAVEL. THOSE TRAVELING 
  OR COMMUTING COULD FACE DANGEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE
CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.

&&

$$

MNZ086-087-191815-
/O.NEW.KARX.WS.W.0004.121220T0000Z-121221T0000Z/
DODGE-OLMSTED-
INCLUDING THE CITY OF...ROCHESTER
403 AM CST WED DEC 19 2012

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST THURSDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND STRONG WINDS...WHICH IS IN
EFFECT FROM 6 PM THIS EVENING TO 6 PM CST THURSDAY.

* HEAVY SNOW WILL FALL TONIGHT INTO TOMORROW.

* 3 TO 6 INCHES OF SNOW IS EXPECTED TO FALL.

* SUSTAINED WINDS OF 15 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH WILL
  ACCOMPANY THE HEAVY SNOWFALL AND COULD CAUSE NEAR BLIZZARD
  CONDITIONS...PARTICULARLY TOMORROW MORNING AND AFTERNOON.

* BLOWING AND DRIFTING SNOW COULD RESULT IN ROAD CLOSURES AND
  LOCALIZED WHITEOUT CONDITIONS TOMORROW.

* THIS STORM WILL HAVE A HIGH IMPACT ON TRAVEL. THOSE TRAVELING 
  OR COMMUTING COULD FACE DANGEROUS DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN
EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE
CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1.

&&

$$

MNZ079-WIZ017-032-191815-
/O.NEW.KARX.WW.Y.0009.121220T0000Z-121221T0000Z/
WABASHA-TAYLOR-BUFFALO-
INCLUDING THE CITY OF...MEDFORD
403 AM CST WED DEC 19 2012

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

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND STRONG WINDS...WHICH IS IN EFFECT FROM 6
PM THIS EVENING TO 6 PM CST THURSDAY.

* BRIEF PERIODS OF HEAVY SNOW WILL BE POSSIBLE TONIGHT INTO
  TOMORROW.

* 2 TO 5 INCHES OF SNOW IS EXPECTED TO FALL.

* SUSTAINED WINDS OF 15 TO 30 MPH WITH GUSTS OF 35 TO 40 MPH WILL
  ACCOMPANY THE SNOW AND WILL CAUSE SOME DROPS IN
  VISIBILITY...PARTICULARLY TOMORROW MORNING AND AFTERNOON.

* THIS STORM WILL HAVE A HIGH IMPACT ON TRAVEL. THOSE TRAVELING 
  OR COMMUTING COULD FACE DANGEROUS DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING
FROM CAN BE OBTAINED BY CALLING 5 1 1.

&&

$$

HALBACH

WEATHER.GOV/LACROSSE

Nearby

Winter Storm Warnings in Wisconsin, 2012Winter Storm Warnings in Iowa, 2012Every winter storm warning in 2012

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.