Alert archive / Iowa / Winter Storm Warnings in 2009

Winter Storm Warning 5, NWS La Crosse, WI

April 4, 20098 counties in Iowa; Crawford County, Grant County, Wisconsin; Fillmore County, Mower County, Minnesota

NWS La Crosse, WI issued this winter storm warning at Apr 4, 2009, 10:53 AM CDT for 8 counties in Iowa; Crawford County, Grant County, Wisconsin; Fillmore County, Mower County, Minnesota. It took effect at Apr 5, 2009, 1:00 AM CDT. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 4, 2009, 10:53 AM CDT (15:53 UTC)
In effect from
Apr 5, 2009, 1:00 AM CDT
Expired
Apr 5, 2009, 11:10 AM CDT
In force
10 hr
Issued by
NWS La Crosse, WI

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, Fillmore County, MN, Mower County, MN, Crawford County, WI, Grant County, WI

The radar

The La Crosse radar (KARX), 90 km from the middle of the area, began a volume at 15:57 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 3.9 hours before the alert went out and 212 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 2009-04-04Temperature 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, Davenport, at 12:00Z on 2009-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -62 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1620 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
-62 m²/s²
0-3 km storm-relative helicity
11 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 041553
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1053 AM CDT SAT APR 4 2009

...WINTER STORM TO IMPACT THE REGION...

.AN AREA OF LOW PRESSURE LOCATED OVER WESTERN KANSAS LATE THIS 
MORNING...WILL MOVE EAST INTO NORTHERN MISSOURI TONIGHT AND
THROUGH CENTRAL ILLINOIS AND CENTRAL INDIANA ON SUNDAY.
PRECIPITATION...MAINLY IN THE FORM OF RAIN...WILL MOVE INTO
SOUTHEAST MINNESOTA AND NORTHEAST IOWA DURING THE AFTERNOON HOURS 
TODAY...AND THEN SPREAD INTO WESTERN WISCONSIN DURING THE LATE
AFTERNOON AND EVENING HOURS.

PRECIPITATION WILL CHANGE OVER TO ALL SNOW FROM NORTH TO SOUTH
ACROSS THE AREA AFTER MIDNIGHT TONIGHT INTO EARLY SUNDAY
MORNING...AS COLDER AIR FILTERS INTO THE AREA. THE HEAVIEST
SNOWFALL WILL FALL SOUTH OF A LINE FROM AUSTIN MINNESOTA...TO
DECORAH...TO BOSCOBEL WISCONSIN...WHERE 5 TO 9 INCHES OF SNOWFALL IS
EXPECTED. LESSER SNOWFALL AMOUNTS ARE EXPECTED NORTH OF THIS LINE. 
SOME BLOWING AND DRIFTING OF THE SNOW WILL BE POSSIBLE SUNDAY INTO
SUNDAY NIGHT...ESPECIALLY OVER WIND PRONE AND OPEN AREAS.

PEOPLE TRAVELING TODAY INTO SUNDAY OR WITH OUTDOOR ACTIVITIES
SHOULD CHECK LATER FORECASTS FOR UPDATES ON THIS DEVELOPING STORM
SYSTEM.

IAZ008>011-018-019-029-030-MNZ094-095-WIZ054-061-050000-
/O.UPG.KARX.WS.A.0003.090405T0600Z-090406T0900Z/
/O.NEW.KARX.WS.W.0005.090405T0600Z-090406T0900Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-CRAWFORD-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...AUSTIN...PRAIRIE DU CHIEN...PLATTEVILLE
1053 AM CDT SAT APR 4 2009

...WINTER STORM WARNING IN EFFECT FROM 1 AM SUNDAY TO 4 AM CDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 1 AM
SUNDAY TO 4 AM CDT MONDAY. THE WINTER STORM WATCH IS NO LONGER IN
EFFECT.

A MIX OF RAIN...SLEET AND SNOW WILL WILL CHANGE OVER TO ALL SNOW
NORTH TO SOUTH OVER THE REGION AFTER MIDNIGHT TONIGHT AND CONTINUE
INTO SUNDAY. SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES IS EXPECTED
SOUTH OF LINE FROM AUSTIN MINNESOTA...DECORAH IOWA...TO BOSCOBEL
WISCONSIN. SOME BLOWING AND DRIFTING OF THE SNOW COULD OCCUR
SUNDAY INTO SUNDAY NIGHT...ESPECIALLY IN WIND PRONE AND OPEN
AREAS.

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.

&&

$$

MNZ079-086>088-096-WIZ032>034-041>044-053-055-050000-
/O.UPG.KARX.WS.A.0003.090405T0600Z-090406T0900Z/
/O.NEW.KARX.WW.Y.0011.090405T0600Z-090406T0900Z/
WABASHA-DODGE-OLMSTED-WINONA-HOUSTON-BUFFALO-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-RICHLAND-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...RICHLAND CENTER
1053 AM CDT SAT APR 4 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM SUNDAY TO 4 AM CDT
MONDAY...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 1 AM SUNDAY
TO 4 AM CDT MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

A MIX OF RAIN AND SNOW THIS EVENING WILL CHANGE OVER TO ALL SNOW
FROM NORTH TO SOUTH ACROSS THE AREA AFTER MIDNIGHT TONIGHT.
SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES NORTH OF A LINE FROM DODGE
CENTER MINNESOTA...TO LA CROSSE WISCONSIN...TO ADAMS WISCONSIN.
SOME BLOWING AND DRIFTING OF SNOW IS POSSIBLE SUNDAY INTO SUNDAY
NIGHT...ESPECIALLY ACROSS WIND PRONE AND OPEN AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL
CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED
ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$

DTJ

WEATHER.GOV/LACROSSE
7 follow-up statements
000 
WWUS43 KARX 042035
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
335 PM CDT SAT APR 4 2009

...WINTER STORM TO IMPACT THE REGION...

.AN AREA OF LOW PRESSURE LOCATED OVER CENTRAL KANSAS THIS
AFTERNOON...WILL MOVE EAST INTO NORTHERN MISSOURI TONIGHT AND THROUGH
CENTRAL ILLINOIS AND CENTRAL INDIANA ON SUNDAY.
PRECIPITATION...MAINLY IN THE FORM OF RAIN...WILL CONTINUE TO OVERSPREAD
NORTHEAST IOWA AND SOUTHEAST MINNESOTA EARLY THIS EVENING. THEN...SPREAD
INTO WESTERN WISCONSIN THIS EVENING.

A MIX OF LIGHT RAIN AND SNOW LATE THIS EVENING WILL CHANGE OVER TO ALL
SNOW FROM NORTH TO SOUTH ACROSS PORTIONS OF SOUTHEAST MINNESOTA
AND WESTERN WISCONSIN AFTER MIDNIGHT TONIGHT. A MIX OF RAIN AND
SNOW WILL CHANGE TO A WINTRY MIX OF FREEZING RAIN...SLEET...AND
SNOW SOUTH OF A LINE FROM CHARLES CITY IOWA TO BOSCOBEL WISCONSIN
AFTER MIDNIGHT TONIGHT AND CONTINUE INTO SUNDAY MORNING. THE
HEAVIEST SNOWFALL WILL FALL SOUTH OF A LINE FROM AUSTIN
MINNESOTA...TO DECORAH...TO BOSCOBEL WISCONSIN...WHERE 5 TO 9
INCHES OF SNOWFALL IS EXPECTED. LESSER SNOWFALL AMOUNTS ARE
EXPECTED NORTH OF THIS LINE. AREAS OF BLOWING AND DRIFTING SNOW
CAN BE EXPECTED IN WIND PRONE AND OPEN AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA AFTER MIDNIGHT TONIGHT AND CONTINUE
INTO SUNDAY.

PEOPLE TRAVELING TONIGHT INTO SUNDAY OR WITH OUTDOOR ACTIVITIES SHOULD
CHECK FOR THE LATEST FORECASTS ON THIS STORM SYSTEM.

IAZ008>011-018-019-029-030-MNZ094-095-WIZ054-061-050445-
/O.CON.KARX.WS.W.0005.090405T0600Z-090406T0900Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-CRAWFORD-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...AUSTIN...PRAIRIE DU CHIEN...PLATTEVILLE
335 PM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO
4 AM CDT MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO 4 AM
CDT MONDAY. 

A MIX OF RAIN AND SNOW THIS EVENING WILL CHANGE OVER TO A WINTRY MIX
OF FREEZING RAIN...SLEET...SNOW...AND POSSIBLY THUNDER...SOUTH OF
A LINE FROM CHARLES CITY IOWA...TO BOSCOBEL WISCONSIN AFTER
MIDNIGHT TONIGHT. ELSEWHERE...A MIXTURE OF RAIN AND SNOW IS
EXPECTED TO CHANGE OVER TO ALL SNOW TONIGHT AND CONTINUE INTO
SUNDAY. SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES CAN BE EXPECTED
SOUTH OF A LINE FROM AUSTIN MINNESOTA...DECORAH IOWA...TO BOSCOBEL
WISCONSIN. WINDS WILL INCREASE TONIGHT ALLOWING FOR SOME AREAS OF
BLOWING AND DRIFTING SNOW IN THE WIND PRONE AND OPEN AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA.

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.

&&

$$

MNZ079-086>088-096-WIZ032>034-041>044-053-055-050445-
/O.CON.KARX.WW.Y.0011.090405T0600Z-090406T0900Z/
WABASHA-DODGE-OLMSTED-WINONA-HOUSTON-BUFFALO-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-RICHLAND-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...RICHLAND CENTER
335 PM CDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
4 AM CDT MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
4 AM CDT MONDAY. 

A MIX OF RAIN AND SNOW THIS EVENING WILL CHANGE OVER TO ALL SNOW
FROM NORTH TO SOUTH ACROSS THE AREA AFTER MIDNIGHT TONIGHT.
SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES IS EXPECTED NORTH OF A
LINE FROM DODGE CENTER MINNESOTA...TO LA CROSSE WISCONSIN...TO
ADAMS WISCONSIN. WINDS WILL INCREASE TONIGHT ALLOWING FOR SOME AREAS
OF BLOWING AND DRIFTING SNOW IN THE WIND PRONE AND OPEN AREAS OF
SOUTHEAST MINNESOTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

DTJ

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 050026
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
726 PM CDT SAT APR 4 2009

...WINTER STORM TO IMPACT THE REGION...

.LOW PRESSURE WILL MOVE INTO NORTHERN MISSOURI TONIGHT AND THROUGH
CENTRAL ILLINOIS AND INTO CENTRAL INDIANA ON SUNDAY. THIS SYSTEM
WILL BRING RAIN AND SNOW INITIALLY...WHICH IS EXPECTED TO CHANGE
TO ALL SNOW OVERNIGHT...WITH SNOW CONTINUING THROUGH SUNDAY.

HIGHEST SNOWFALL TOTALS ARE EXPECTED SOUTH OF A LINE FROM AUSTIN
MINNESOTA...TO DECORAH IOWA...TO BOSCOBEL WISCONSIN...WHERE 5 TO 9
INCHES SHOULD OCCUR. LESSER SNOWFALL AMOUNTS OF 2 TO 5 INCHES ARE
EXPECTED NORTH OF THIS LINE. IN ADDITION...A WINTRY MIX OF
FREEZING RAIN...SLEET AND SNOW SHOULD OCCUR SOUTH OF A LINE FROM
CHARLES CITY IOWA TO BOSCOBEL WISCONSIN AFTER MIDNIGHT TONIGHT AND
CONTINUE INTO SUNDAY MORNING.

AREAS OF BLOWING AND DRIFTING SNOW CAN BE EXPECTED IN WIND PRONE
AND OPEN AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA AFTER
MIDNIGHT TONIGHT AND THEN CONTINUE THROUGH SUNDAY.

PEOPLE TRAVELING TONIGHT INTO SUNDAY OR WITH OUTDOOR ACTIVITIES
SHOULD CHECK FOR THE LATEST FORECASTS ON THIS STORM SYSTEM.

IAZ008>011-018-019-029-030-MNZ094-095-WIZ054-061-050830-
/O.CON.KARX.WS.W.0005.090405T0600Z-090406T0900Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-CRAWFORD-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...AUSTIN...PRAIRIE DU CHIEN...PLATTEVILLE
726 PM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO
4 AM CDT MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO 4 AM
CDT MONDAY. 

A MIX OF RAIN AND SNOW SHOULD DEVELOP THIS EVENING...MAINLY IN
AREAS ALONG AND WEST OF THE MISSISSIPPI RIVER. PRECIPITATION IS
EXPECTED TO CHANGE OVER TO ALL SNOW OVERNIGHT. IN ADDITION...A
WINTRY MIX OF FREEZING RAIN...SLEET AND SNOW SHOULD OCCUR SOUTH
OF A LINE FROM CHARLES CITY IOWA...TO BOSCOBEL WISCONSIN AFTER
MIDNIGHT...WITH AN ISOLATED THUNDERSTORM ALSO POSSIBLE.

WINDS WILL INCREASE TONIGHT ALLOWING FOR SOME AREAS OF BLOWING AND
DRIFTING SNOW IN THE WIND PRONE AND OPEN AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA AFTER MIDNIGHT.

TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED...WITH
HIGHEST AMOUNTS ACROSS NORTHEAST IOWA IN SUCH LOCATIONS AS CHARLES
CITY...DECORAH AND OELWEIN.

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.

&&

$$

MNZ079-086>088-096-WIZ032>034-041>044-053-055-050830-
/O.CON.KARX.WW.Y.0011.090405T0600Z-090406T0900Z/
WABASHA-DODGE-OLMSTED-WINONA-HOUSTON-BUFFALO-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-RICHLAND-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...RICHLAND CENTER
726 PM CDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
4 AM CDT MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
4 AM CDT MONDAY. 

A MIX OF RAIN AND SNOW SHOULD DEVELOP THIS EVENING NEAR THE
MISSISSIPPI RIVER...THEN SPREAD EASTWARD AFTER MIDNIGHT INTO
CENTRAL WISCONSIN. PRECIPITATION WILL CHANGE OVER TO ALL SNOW
DURING THE OVERNIGHT HOURS. WINDS WILL INCREASE TONIGHT ALLOWING
FOR SOME BLOWING AND DRIFTING SNOW IN THE WIND PRONE AND OPEN
AREAS OF SOUTHEAST MINNESOTA.

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...WITH
HIGHEST AMOUNTS THROUGH THE INTERSTATE 90 CORRIDOR AND POINTS
SOUTHWARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

THOMPSON

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 050250
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
950 PM CDT SAT APR 4 2009

...WINTER STORM TO IMPACT THE REGION...

.LOW PRESSURE WILL MOVE INTO NORTHERN MISSOURI TONIGHT AND
THROUGH CENTRAL ILLINOIS AND INTO CENTRAL INDIANA ON SUNDAY. THIS
SYSTEM WILL BRING RAIN AND SNOW INITIALLY...WHICH IS EXPECTED TO
CHANGE TO ALL SNOW OVERNIGHT...WITH SNOW CONTINUING THROUGH
SUNDAY.

HIGHEST SNOWFALL TOTALS ARE EXPECTED SOUTH OF A LINE FROM AUSTIN
MINNESOTA...TO DECORAH IOWA...TO BOSCOBEL WISCONSIN...WHERE 5 TO
9 INCHES SHOULD OCCUR. LESSER SNOWFALL AMOUNTS OF 2 TO 5 INCHES
ARE EXPECTED NORTH OF THIS LINE. IN ADDITION...A WINTRY MIX OF
FREEZING RAIN...SLEET AND SNOW SHOULD OCCUR SOUTH OF A LINE FROM
CHARLES CITY IOWA TO BOSCOBEL WISCONSIN AFTER MIDNIGHT TONIGHT
AND CONTINUE INTO SUNDAY MORNING.

AREAS OF BLOWING AND DRIFTING SNOW CAN BE EXPECTED IN WIND PRONE
AND OPEN AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA AFTER
MIDNIGHT TONIGHT AND THEN CONTINUE THROUGH SUNDAY.

PEOPLE TRAVELING TONIGHT INTO SUNDAY OR WITH OUTDOOR ACTIVITIES
SHOULD CHECK FOR THE LATEST FORECASTS ON THIS STORM SYSTEM.

IAZ008>011-018-019-029-030-MNZ094-095-WIZ054-061-051100-
/O.CON.KARX.WS.W.0005.090405T0600Z-090406T0900Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-CRAWFORD-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...AUSTIN...PRAIRIE DU CHIEN...PLATTEVILLE
950 PM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO
4 AM CDT MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 1 AM SUNDAY TO 4 AM
CDT MONDAY. 

A MIX OF RAIN AND SNOW IS EXPECTED THIS EVENING...MAINLY IN
AREAS ALONG AND WEST OF THE MISSISSIPPI RIVER. PRECIPITATION IS
EXPECTED TO CHANGE OVER TO ALL SNOW OVERNIGHT. IN ADDITION...A
WINTRY MIX OF FREEZING RAIN...SLEET AND SNOW SHOULD OCCUR SOUTH
OF A LINE FROM CHARLES CITY IOWA...TO BOSCOBEL WISCONSIN AFTER
MIDNIGHT...WITH AN ISOLATED THUNDERSTORM ALSO POSSIBLE.

WINDS WILL INCREASE TONIGHT ALLOWING FOR SOME AREAS OF BLOWING
AND DRIFTING SNOW IN THE WIND PRONE AND OPEN AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA AFTER MIDNIGHT.

TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED...WITH
HIGHEST AMOUNTS ACROSS NORTHEAST IOWA IN SUCH LOCATIONS AS
CHARLES CITY...DECORAH AND OELWEIN.

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.

&&

$$

MNZ079-086>088-096-WIZ032>034-041>044-053-055-051100-
/O.CON.KARX.WW.Y.0011.090405T0600Z-090406T0900Z/
WABASHA-DODGE-OLMSTED-WINONA-HOUSTON-BUFFALO-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-RICHLAND-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...RICHLAND CENTER
950 PM CDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
4 AM CDT MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM SUNDAY TO
4 AM CDT MONDAY. 

A MIX OF RAIN AND SNOW IS EXPECTED THIS EVENING MAINLY NEAR THE
MISSISSIPPI RIVER...THEN SPREAD EASTWARD AFTER MIDNIGHT INTO
CENTRAL WISCONSIN. PRECIPITATION WILL CHANGE OVER TO ALL SNOW
DURING THE OVERNIGHT HOURS. WINDS WILL INCREASE TONIGHT ALLOWING
FOR SOME BLOWING AND DRIFTING SNOW IN THE WIND PRONE AND OPEN
AREAS OF SOUTHEAST MINNESOTA.

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...WITH
HIGHEST AMOUNTS THROUGH THE INTERSTATE 90 CORRIDOR AND POINTS
SOUTHWARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

THOMPSON

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 050450
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1150 PM CDT SAT APR 4 2009

...WINTER STORM TO IMPACT THE REGION...

.LOW PRESSURE WILL MOVE INTO NORTHERN MISSOURI TONIGHT AND
THROUGH CENTRAL ILLINOIS AND INTO CENTRAL INDIANA ON SUNDAY. THIS
SYSTEM WILL BRING RAIN AND SNOW INITIALLY...WHICH IS EXPECTED TO
CHANGE TO ALL SNOW OVERNIGHT...WITH SNOW CONTINUING THROUGH
SUNDAY.

HIGHEST SNOWFALL TOTALS ARE EXPECTED SOUTH OF A LINE FROM AUSTIN
MINNESOTA...TO DECORAH IOWA...TO BOSCOBEL WISCONSIN...WHERE 5 TO
9 INCHES SHOULD OCCUR. LESSER SNOWFALL AMOUNTS OF 2 TO 5 INCHES
ARE EXPECTED NORTH OF THIS LINE. IN ADDITION...A WINTRY MIX OF
FREEZING RAIN...SLEET AND SNOW SHOULD OCCUR SOUTH OF A LINE FROM
CHARLES CITY IOWA TO BOSCOBEL WISCONSIN AFTER MIDNIGHT TONIGHT
AND CONTINUE INTO SUNDAY MORNING.

AREAS OF BLOWING AND DRIFTING SNOW CAN BE EXPECTED IN WIND PRONE
AND OPEN AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA AFTER
MIDNIGHT TONIGHT AND THEN CONTINUE THROUGH SUNDAY.

PEOPLE TRAVELING TONIGHT INTO SUNDAY OR WITH OUTDOOR ACTIVITIES
SHOULD CHECK FOR THE LATEST FORECASTS ON THIS STORM SYSTEM.

IAZ008>011-018-019-029-030-MNZ094-095-WIZ054-061-051300-
/O.CON.KARX.WS.W.0005.090405T0600Z-090406T0900Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-CRAWFORD-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...AUSTIN...PRAIRIE DU CHIEN...PLATTEVILLE
1150 PM CDT SAT APR 4 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT MONDAY. 

A MIX OF RAIN AND SNOW IS EXPECTED TO CHANGE OVER TO ALL SNOW
OVERNIGHT. IN ADDITION...A WINTRY MIX OF FREEZING RAIN...SLEET AND
SNOW SHOULD OCCUR SOUTH OF A LINE FROM CHARLES CITY IOWA...TO
BOSCOBEL WISCONSIN AFTER MIDNIGHT...WITH AN ISOLATED THUNDERSTORM
ALSO POSSIBLE.

WINDS WILL INCREASE TONIGHT ALLOWING FOR SOME AREAS OF BLOWING
AND DRIFTING SNOW IN THE WIND PRONE AND OPEN AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA AFTER MIDNIGHT.

TOTAL SNOWFALL ACCUMULATIONS OF 5 TO 9 INCHES ARE EXPECTED...WITH
HIGHEST AMOUNTS ACROSS NORTHEAST IOWA IN SUCH LOCATIONS AS
CHARLES CITY...DECORAH AND OELWEIN.

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.

&&

$$

MNZ079-086>088-096-WIZ032>034-041>044-053-055-051300-
/O.CON.KARX.WW.Y.0011.090405T0600Z-090406T0900Z/
WABASHA-DODGE-OLMSTED-WINONA-HOUSTON-BUFFALO-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-RICHLAND-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...RICHLAND CENTER
1150 PM CDT SAT APR 4 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
MONDAY. 

A MIX OF RAIN AND SNOW IS EXPECTED TO CHANGE OVER TO ALL SNOW
DURING THE OVERNIGHT HOURS. WINDS WILL INCREASE TONIGHT ALLOWING
FOR SOME BLOWING AND DRIFTING SNOW IN THE WIND PRONE AND OPEN
AREAS OF SOUTHEAST MINNESOTA.

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...WITH
HIGHEST AMOUNTS THROUGH THE INTERSTATE 90 CORRIDOR AND POINTS
SOUTHWARD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

THOMPSON

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 050829
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
329 AM CDT SUN APR 5 2009

...WINTER STORM TO IMPACT THE REGION...

.LOW PRESSURE WAS LOCATED OVER NORTHWEST MISSOURI EARLY THIS
MORNING. THIS LOW WILL MOVE EAST INTO CENTRAL INDIANA BY THIS
EVENING...AND BRING A MIX OF RAIN AND SNOW TO THE AREA BEFORE
SUNRISE. ALL SNOW IS EXPECTED TODAY AS COLDER AIR CONTINUES TO
WRAP INTO THE SYSTEM.

HIGHEST SNOWFALL TOTALS ARE EXPECTED SOUTH OF A LINE FROM AUSTIN
MINNESOTA...TO DECORAH IOWA...TO BOSCOBEL WISCONSIN...WHERE 4 TO
7 INCHES SHOULD OCCUR. LESSER SNOWFALL AMOUNTS OF 2 TO 4 INCHES
ARE EXPECTED NORTH OF THIS LINE. IN ADDITION...A WINTRY MIX OF
SLEET AND SNOW IS EXPECTED SOUTH OF A LINE FROM WEST UNION IOWA TO 
TO BOSCOBEL WISCONSIN THROUGH THE EARLY SUNDAY MORNING.

AREAS OF BLOWING AND DRIFTING SNOW CAN BE EXPECTED IN WIND PRONE
AND OPEN AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA TODAY.

PEOPLE TRAVELING TONIGHT INTO SUNDAY OR WITH OUTDOOR ACTIVITIES
SHOULD CHECK FOR THE LATEST FORECASTS ON THIS STORM SYSTEM.

IAZ008>011-018-019-029-030-MNZ094-095-WIZ054-061-051630-
/O.CON.KARX.WS.W.0005.000000T0000Z-090406T0900Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-MOWER-FILLMORE-CRAWFORD-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...AUSTIN...PRAIRIE DU CHIEN...PLATTEVILLE
329 AM CDT SUN APR 5 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT MONDAY. 

A MIX OF RAIN AND SNOW IS EXPECTED TO CHANGE OVER TO ALL SNOW
BEFORE SUNRISE THIS MORNING. IN ADDITION...A WINTRY MIX OF
SLEET AND SNOW SHOULD OCCUR SOUTH OF A LINE FROM WEST UNION IOWA 
TO BOSCOBEL WISCONSIN BEFORE 9 AM THIS MORNING. A RUMBLE OR TWO OF
THUNDER IS ALSO POSSIBLE EARLY THIS MORNING.

WINDS WILL INCREASE TONIGHT ALLOWING FOR SOME AREAS OF BLOWING
AND DRIFTING SNOW IN THE WIND PRONE AND OPEN AREAS OF SOUTHEAST
MINNESOTA AND NORTHEAST IOWA TODAY. 

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED...WITH
HIGHEST AMOUNTS ACROSS NORTHEAST IOWA IN SUCH LOCATIONS AS
CHARLES CITY...DECORAH AND OELWEIN.

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.

&&

$$

MNZ079-086>088-096-WIZ032>034-041>044-053-055-051630-
/O.CON.KARX.WW.Y.0011.000000T0000Z-090406T0900Z/
WABASHA-DODGE-OLMSTED-WINONA-HOUSTON-BUFFALO-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-RICHLAND-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON...
VIROQUA...RICHLAND CENTER
329 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
MONDAY. 

A MIX OF RAIN AND SNOW IS EXPECTED TO CHANGE OVER TO ALL SNOW
BEFORE SUNRISE. NORTH WINDS WILL INCREASE...ALLOWING FOR SOME
BLOWING AND DRIFTING SNOW IN THE WIND PRONE AND OPEN AREAS OF
SOUTHEAST MINNESOTA.

TOTAL SNOWFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED...WITH
HIGHEST AMOUNTS SOUTH OF THE INTERSTATE 90 CORRIDOR.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

RRS

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 051237
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
737 AM CDT SUN APR 5 2009

...WINTER STORM TO IMPACT THE REGION TODAY...

.LOW PRESSURE WAS LOCATED OVER NORTH-CENTRAL MISSOURI AROUND
SUNRISE. HIS LOW WILL MOVE EAST INTO CENTRAL INDIANA BY THIS
EVENING...AND BRING SNOW...OR A MIX OF RAIN AND SNOW CHANGING TO
ALL SNOW TO THE AREA TODAY INTO THIS EVENING. 

HIGHEST SNOWFALL TOTALS ARE EXPECTED SOUTH OF A LINE FROM SAINT
ANSGAR IOWA TO BOSCOBEL WISCONSIN...WHERE 4 TO 7 INCHES SHOULD
OCCUR. LESSER SNOWFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED NORTH
OF THIS LINE...INTO THE AUSTIN TO CALEDONIA TO VIROQUA AND RICHLAND
CENTER WISCONSIN AREAS. WITH A SOUTHWARD SHIFT IN THE LOW AND THE
DEEPER MOISTURE AND ENERGY WITH IT...LESSER SNOW AMOUNTS ARE
EXPECTED NORTH OF INTERSTATE 90.

AREAS OF BLOWING AND DRIFTING SNOW CAN BE EXPECTED IN WIND PRONE
AND OPEN AREAS OF SOUTHEAST MINNESOTA AND NORTHEAST IOWA TODAY.

PEOPLE TRAVELING TONIGHT INTO SUNDAY OR WITH OUTDOOR ACTIVITIES
SHOULD CHECK FOR THE LATEST FORECASTS ON THIS STORM SYSTEM.

MNZ094-095-052045-
/O.CAN.KARX.WS.W.0005.000000T0000Z-090406T0900Z/
/O.EXA.KARX.WW.Y.0011.000000T0000Z-090406T0900Z/
MOWER-FILLMORE-
INCLUDING THE CITY OF...AUSTIN
737 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM CDT MONDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 4 AM CDT MONDAY.
THE WINTER STORM WARNING HAS BEEN CANCELLED.

SNOW WILL FALL ACROSS THE AREA TODAY...WITH TOTAL SNOWFALL
ACCUMULATIONS OF 2 TO 4 INCHES EXPECTED. THE HIGHER AMOUNTS WILL
FALL CLOSER TO THE IOWA BORDER TO THE VIROQUA AND RICHLAND CENTER
AREAS. NORTH WINDS WILL INCREASE...ALLOWING FOR SOME BLOWING AND
DRIFTING SNOW IN THE WIND PRONE AND OPEN AREAS OF SOUTHEAST
MINNESOTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

MNZ079-WIZ032>034-042>044-051345-
/O.CAN.KARX.WW.Y.0011.000000T0000Z-090406T0900Z/
WABASHA-BUFFALO-TREMPEALEAU-JACKSON-MONROE-JUNEAU-ADAMS-
INCLUDING THE CITIES OF...BLACK RIVER FALLS...SPARTA/TOMAH...
MAUSTON
737 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

WITH A SOUTHWARD SHIFT IN THE DEEPER MOISTURE AND ENERGY WITH THE
STORM SYSTEM...THE THREAT OF 3 OR MORE INCHES OF SNOW HAS SHIFTED
SOUTH OF THE AREA AND THE WINTER WEATHER ADVISORY HAS BEEN
CANCELLED. AN INCH OR TWO OF SNOW REMAINS POSSIBLE...WITH
ACCUMULATIONS MAINLY ON GRASSY AREAS.

$$

IAZ008>011-018-019-029-030-WIZ054-061-052045-
/O.CON.KARX.WS.W.0005.000000T0000Z-090406T0900Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-CRAWFORD-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...PRAIRIE DU CHIEN...PLATTEVILLE
737 AM CDT SUN APR 5 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT MONDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM CDT MONDAY. 

A MIX OF RAIN AND SNOW IS EXPECTED TO CHANGE OVER TO ALL SNOW
THIS MORNING...THEN BECOME HEAVY AT TIMES. NORTH WINDS WILL
INCREASE TODAY ALLOWING FOR SOME AREAS OF BLOWING AND DRIFTING
SNOW IN THE WIND PRONE AND OPEN AREAS OF SOUTHEAST MINNESOTA AND
NORTHEAST IOWA TODAY.

TOTAL SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE EXPECTED...WITH
HIGHEST AMOUNTS ACROSS NORTHEAST IOWA IN SUCH LOCATIONS AS
CHARLES CITY...DECORAH AND OELWEIN.

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.

&&

$$

MNZ086>088-096-WIZ041-053-055-052045-
/O.CON.KARX.WW.Y.0011.000000T0000Z-090406T0900Z/
DODGE-OLMSTED-WINONA-HOUSTON-LA CROSSE-VERNON-RICHLAND-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...LA CROSSE...
VIROQUA...RICHLAND CENTER
737 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
MONDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT
MONDAY. 

SNOW WILL FALL ACROSS THE AREA TODAY...WITH TOTAL SNOWFALL
ACCUMULATIONS OF 2 TO 4 INCHES EXPECTED. THE HIGHER AMOUNTS WILL
FALL CLOSER TO THE IOWA BORDER TO THE VIROQUA AND RICHLAND CENTER
AREAS. NORTH WINDS WILL INCREASE...ALLOWING FOR SOME BLOWING AND
DRIFTING SNOW IN THE WIND PRONE AND OPEN AREAS OF SOUTHEAST
MINNESOTA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

RRS

WEATHER.GOV/LACROSSE
000 
WWUS43 KARX 051610
WSWARX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LA CROSSE WI
1110 AM CDT SUN APR 5 2009

...WINTER STORM WILL AFFECT SOUTHERN PORTIONS OF THE AREA TODAY...

.A LOW PRESSURE SYSTEM WAS LOCATED OVER EASTERN MISSOURI AND
WESTERN ILLINOIS THIS MORNING. HIS LOW WILL MOVE EAST INTO CENTRAL
INDIANA BY THIS EVENING...AND BRING SNOW TO PARTS OF NORTHEAST
IOWA AND EXTREME SOUTHWEST WISCONSIN.

THE HEAVIEST SNOWFALL WILL FALL SOUTH AND EAST OF A LINE FROM NEW
HAMPTON...TO DECORAH IN NORTHEAST IOWA TO RICHLAND CENTER IN
SOUTHWEST WISCONSIN...WHERE TOTAL SNOWFALL AMOUNTS WILL BE 1 TO 3
INCHES AND MAINLY ON GRASSY SURFACES. WITH A SOUTHWARD SHIFT IN
THE LOW AND HEAVIEST SNOW FALLING IN EASTERN IOWA AND EXTREME
SOUTHERN WISCONSIN...LESSER SNOW AMOUNTS ARE EXPECTED NORTH OF
THIS LINE.

PEOPLE TRAVELING TODAY OR WHO HAVE OUTDOOR ACTIVITIES SHOULD
CHECK FOR THE LATEST FORECASTS ON THIS STORM SYSTEM.

IAZ010-011-019-029-030-WIZ054-061-060015-
/O.CAN.KARX.WS.W.0005.000000T0000Z-090406T0900Z/
/O.EXB.KARX.WW.Y.0011.000000T0000Z-090406T0300Z/
WINNESHIEK-ALLAMAKEE-CHICKASAW-FAYETTE-CLAYTON-CRAWFORD-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...OELWEIN...
PRAIRIE DU CHIEN...PLATTEVILLE
1110 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM CDT THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 10 PM CDT THIS
EVENING. THE WINTER STORM WARNING HAS BEEN CANCELLED.

SNOW WILL CONTINUE TO FALL ACROSS THE REGION THROUGH THE EARLY
EVENING HOURS. THE HEAVIEST SNOW WILL FALL SOUTH AND EAST OF A
LINE FROM NEW HAMPTON...TO DECORAH...TO BOSCOBEL WISCONSIN. TOTAL
SNOWFALL ACCUMULATIONS OF 1 TO 3 INCHES IS EXPECTED AND MAINLY ON
GRASSY SURFACES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

IAZ008-009-018-051715-
/O.CAN.KARX.WS.W.0005.000000T0000Z-090406T0900Z/
MITCHELL-HOWARD-FLOYD-
INCLUDING THE CITY OF...CHARLES CITY
1110 AM CDT SUN APR 5 2009

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS CANCELLED THE
WINTER STORM WARNING. 

A SOUTHWARD SHIFT IN THE TRACK OF THE STORM SYSTEM AND LESSER
SNOWFALL AMOUNTS EXPECTED ACROSS THE AREA...THE WINTER STORM
WARNING HAS BEEN CANCELLED FOR PORTIONS OF THE AREA.

$$

MNZ086>088-094>096-WIZ041-053-051715-
/O.CAN.KARX.WW.Y.0011.000000T0000Z-090406T0900Z/
DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-LA CROSSE-VERNON-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...AUSTIN...
LA CROSSE...VIROQUA
1110 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

A SOUTHWARD SHIFT IN THE TRACK OF THE STORM SYSTEM AND LESSER
SNOWFALL AMOUNTS EXPECTED ACROSS THE AREA...THE WINTER STORM
WARNING HAS BEEN CANCELLED FOR PORTIONS OF THE AREA.

$$

WIZ055-060015-
/O.EXT.KARX.WW.Y.0011.000000T0000Z-090406T0300Z/
RICHLAND-
INCLUDING THE CITY OF...RICHLAND CENTER
1110 AM CDT SUN APR 5 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS
EVENING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 10 PM CDT THIS
EVENING. 

SNOW WILL CONTINUE TO FALL ACROSS THE REGION THROUGH THE EARLY
EVENING HOURS. THE HEAVIEST SNOW WILL FALL SOUTH AND EAST OF A LINE
FROM BOSCOBEL TO RICHLAND WISCONSIN. TOTAL SNOWFALL ACCUMULATIONS OF 1 TO
3 INCHES IS EXPECTED AND MAINLY ON GRASSY SURFACES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

DTJ

WEATHER.GOV/LACROSSE

What forecasters said that day

The local office's own words before this winter storm warning 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 winter storm warning went out at Apr 4, 10:26 AM CDT, 27 minutes earlier.

Area forecast discussion, Apr 4, 10:26 AM CDT, 27 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
1026 AM CDT SAT APR 4 2009

.UPDATE...

LATEST MODEL TRENDS OF THE GFS/ECMWF/NAM INDICATING A SLIGHTLY
FARTHER SOLUTION TO TRACK OF SURFACE/UPPER LEVEL LOW. BEST
FRONTOGENETICAL FORCING LOOKS TO BE CENTERED OVER CENTRAL AND
NORTHERN PORTIONS OF IOWA. THIS WILL ALLOW FOR THE HEAVIEST SNOW
BAND TO FALL SOUTH OF A LINE FROM AUSTIN MINNESOTA...TO DECORAH
IOWA...TO BOSCOBEL WISCONSIN WITH LESSER SNOWFALL AMOUNTS NORTH OF
THIS LINE. WILL BE ISSUING WARNINGS SOUTH OF THIS LINE WITH 5 TO 9
INCHES OF SNOWFALL AND ADVISORIES NORTH OF THIS LINE.

&&

DTJ

&&

.ARX WATCHES/WARNINGS/ADVISORIES...
WI...WINTER STORM WARNING FROM 1 AM SUNDAY TO 4 AM CDT MONDAY FOR
     WIZ054-WIZ061.

     WINTER WEATHER ADVISORY FROM 1 AM SUNDAY TO 4 AM CDT MONDAY FOR
     WIZ032-WIZ033-WIZ034-WIZ041-WIZ042-WIZ043-WIZ044-WIZ053-
     WIZ055.

MN...WINTER STORM WARNING FROM 1 AM SUNDAY TO 4 AM CDT MONDAY FOR
     MNZ094-MNZ095.

     WINTER WEATHER ADVISORY FROM 1 AM SUNDAY TO 4 AM CDT MONDAY FOR
     MNZ079-MNZ086-MNZ087-MNZ088-MNZ096.

IA...WINTER STORM WARNING FROM 1 AM SUNDAY TO 4 AM CDT MONDAY FOR
     IAZ008-IAZ009-IAZ010-IAZ011-IAZ018-IAZ019-IAZ029-IAZ030.

&&

SHORT/LONG TERM...DTJ
LONG TERM....THOMPSON
Hazardous weather outlook, Apr 4, 5:00 AM CDT, 5 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
500 AM CDT SAT APR 4 2009

WIZ017-029-051100-
CLARK-TAYLOR-
500 AM CDT SAT APR 4 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF NORTH CENTRAL
WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

A STRONG EARLY SPRING STORM SYSTEM MOVING ACROSS KANSAS TODAY AND
INTO NORTHERN MISSOURI TONIGHT IS EXPECTED TO SPREAD SNOW INTO THE
AREA LATE TONIGHT. ACCUMULATIONS EXPECTED TO BE A HALF INCH OR LESS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE POTENT STORM SYSTEM WILL MOVE INTO INDIANA ON SUNDAY. WITH THIS
STORM TRACK...THE HEAVIER SNOW IS EXPECTED TO FALL SOUTH OF THE
AREA. OCCASIONAL SNOW IS EXPECTED SUNDAY...WITH AN INCH OR TWO OF
ACCUMULATION POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

PRECIPITATION REPORTS...INCLUDING RAIN...SNOW...OR ANY MIXTURE...
WOULD BE GREATLY APPRECIATED SUNDAY.

.EMERGENCY MANAGEMENT COORDINATION...

NO CALL IS SCHEDULED.

IAZ008>011-018-019-MNZ079-086>088-094>096-WIZ032>034-041>044-
053>055-051100-
ADAMS-ALLAMAKEE-BUFFALO-CHICKASAW-CRAWFORD-DODGE-FILLMORE-FLOYD-
HOUSTON-HOWARD-JACKSON-JUNEAU-LA CROSSE-MITCHELL-MONROE-MOWER-
OLMSTED-RICHLAND-TREMPEALEAU-VERNON-WABASHA-WINNESHIEK-WINONA-
500 AM CDT SAT APR 4 2009

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

.DAY ONE...TODAY AND TONIGHT

A WINTER STORM WATCH REMAINS IN EFFECT FOR LATE TONIGHT. A STRONG
EARLY SPRING STORM SYSTEM WILL MOVE ACROSS KANSAS TODAY AND INTO
NORTHERN MISSOURI TONIGHT. THIS STORM WILL SPREAD A CHANCE OF RAIN
ACROSS MUCH OF THE AREA LATE THIS AFTERNOON. AS COLDER AIR AND MORE
MOISTURE ARE DRAWN INTO THE SYSTEM...THE PRECIPITATION IS EXPECTED
TO INCREASE TONIGHT WITH THE RAIN CHANGING TO SNOW. ACCUMULATIONS BY
SUNDAY MORNING COULD BE AS MUCH AS 2 TO 3 INCHES WEST OF A ROCHESTER
TO WAUKON LINE. INCREASING NORTHEAST WINDS WILL CREATE SOME BLOWING
AND DRIFTING SNOW IN OPEN AREAS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE WINTER STORM WATCH REMAINS IN EFFECT FOR SUNDAY AND MUCH OF
SUNDAY NIGHT. THE POTENT STORM SYSTEM WILL MOVE INTO INDIANA ON
SUNDAY. SNOW...HEAVY AT TIMES...WILL FALL ACROSS THE AREA ON SUNDAY.
CURRENTLY IT APPEARS THE HEAVIEST SNOW...WITH TOTALS IN EXCESS OF 6
INCHES...WILL FALL ACROSS NORTHEAST IOWA AND NEARBY AREAS. LIGHTER
AMOUNTS IN THE 2 TO 6 INCH RANGE ARE ANTICIPATED NORTH OF ROCHESTER
TO LA CROSSE AND RICHLAND CENTER. IN ADDITION...GUSTY NORTH WINDS
ASSOCIATED WITH THE STORM SYSTEM MAY PRODUCE SOME BLOWING AND
DRIFTING OF THE SNOW IN THE MORE OPEN AND WIND PRONE AREAS SUNDAY
INTO SUNDAY NIGHT.

THE EXACT TRACK OF THIS STORM SYSTEM IS STILL A BIT UNCERTAIN...AND
THIS WILL DICTATE EXACTLY WHERE THE HEAVIEST SNOW WILL FALL. PLEASE
SEE THE LATEST WINTER STORM WATCH PRODUCT FOR MORE DETAILS.

.SPOTTER INFORMATION STATEMENT...

REPORTS...INCLUDING RAIN...SNOW...ANY MIXTURE...STRONG WINDS AND
BLOWING SNOW WOULD BE GREATLY APPRECIATED SUNDAY AND SUNDAY NIGHT.

.EMERGENCY MANAGEMENT COORDINATION...

NO CALL IS SCHEDULED.

IAZ029-030-WIZ061-051100-
CLAYTON-FAYETTE-GRANT-
500 AM CDT SAT APR 4 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF NORTHEAST IOWA AND
EXTREME SOUTHWEST WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

A WINTER STORM WATCH REMAINS IN EFFECT FOR LATE TONIGHT. A STRONG
EARLY SPRING STORM SYSTEM WILL MOVE ACROSS KANSAS TODAY AND INTO
NORTHERN MISSOURI TONIGHT. THIS STORM WILL SPREAD A CHANCE OF RAIN
ACROSS MUCH OF THE AREA LATE THIS AFTERNOON. AS COLDER AIR AND MORE
MOISTURE ARE DRAWN INTO THE SYSTEM...THE PRECIPITATION IS EXPECTED
TO INCREASE TONIGHT WITH THE RAIN CHANGING TO A MIX OF FREEZING
RAIN...SLEET AND SNOW. ACCUMULATIONS BY SUNDAY MORNING COULD BE AS
MUCH AS AN INCH OR TWO OF SNOW AND UP TO A TENTH OF AN INCH OF
SLEET AND FREEZING RAIN. INCREASING NORTHEAST WINDS MAY CREATE
SOME BLOWING AND DRIFTING SNOW IN OPEN AREAS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE WINTER STORM WATCH REMAINS IN EFFECT FOR SUNDAY AND MUCH OF
SUNDAY NIGHT. THE POTENT STORM SYSTEM WILL MOVE INTO INDIANA ON
SUNDAY. THE MIX OF FREEZING RAIN...SLEET AND SNOW WILL CHANGE
TO ALL SNOW BY SUNDAY AFTERNOON. THE SNOW MAY BE HEAVY AT TIMES
SUNDAY. SNOW TOTALS OF 2 TO 5 INCHES APPEAR POSSIBLE BY SUNDAY
EVENING...WITH UP TO A QUARTER INCH OF SLEET AND A LIGHT GLAZE OF
FREEZING RAIN. IN ADDITION...GUSTY NORTH WINDS ASSOCIATED WITH THE
STORM SYSTEM MAY PRODUCE SOME BLOWING AND DRIFTING OF THE SNOW IN THE
MORE OPEN AND WIND PRONE AREAS SUNDAY INTO SUNDAY NIGHT.

THE EXACT TRACK OF THIS STORM SYSTEM IS STILL A BIT UNCERTAIN...AND
THIS WILL DICTATE EXACTLY WHERE THE HEAVIEST SNOW WILL FALL. PLEASE
SEE THE LATEST WINTER STORM WATCH PRODUCT FOR MORE DETAILS.

.SPOTTER INFORMATION STATEMENT...

REPORTS...INCLUDING RAIN...SNOW...ANY MIXTURE...STRONG WINDS AND
BLOWING SNOW WOULD BE GREATLY APPRECIATED SUNDAY AND SUNDAY NIGHT.

.EMERGENCY MANAGEMENT COORDINATION...

NO CALL IS SCHEDULED.

RRS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 10:53 AM CDTWinter Weather AdvisoryARXAllamakee, Chickasaw, Clayton, Fayette, Winneshiek29 hr

Nearby

Winter Storm Warnings in Iowa, 2009Winter Storm Warnings in Wisconsin, 2009Winter Storm Warnings in Minnesota, 2009Every winter storm warning 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.