HYDROLOGIC OUTLOOK
Issue Date: 422 AM CST FRI DEC 25 2009
Expiration: 400 PM CST FRI DEC 25 2009

...RAINFALL AND MELTING SNOW MAY CAUSE PONDING IN LOW LYING AND
URBAN AREAS TODAY AS WELL AS RISES ALONG AREA CREEKS AND
RIVERS...
A SIGNIFICANT WINTER STORM HAS BROUGHT WARMER AIR...ALONG WITH
RAIN ACROSS PARTS OF NORTHEAST IOWA...SOUTHWEST WISCONSIN AND
SOUTHEAST MINNESOTA. AS THE STORM SYSTEM MOVES NORTHWARD TOWARD THE
UPPER MISSISSIPPI RIVER VALLEY REGION TODAY...RAIN WILL CONTINUE
ACROSS THE AREA THROUGH THIS MORNING...EVENTUALLY TRANSITIONING TO
SNOW THIS AFTERNOON. RAINFALL THROUGH THIS MORNING WILL BE IN THE
QUARTER TO HALF INCH RANGE. THIS RAINFALL COMBINED WITH WHAT FELL
FROM THURSDAY THROUGH THURSDAY NIGHT WILL CONTINUE TO PRODUCE SNOW
MELT AND SOME RUNOFF.
THE COMBINATION OF THE RAINFALL ALONG WITH MELTING OF THE WIDESPREAD
SNOW PACK IS EXPECTED TO INCREASE RUNOFF AMOUNTS...WHICH WILL LIKELY
LEAD TO PONDING IN LOW LYING AND URBAN AREAS AS WELL AS WITHIN BANK
RISES ALONG AREA CREEKS AND RIVERS...WITH THE POSSIBILITY FOR SOME
LOCALIZED FLOODING. ALSO...WITH THE AMOUNT OF WATER ENTERING THE
RIVER SYSTEMS...THE POTENTIAL REMAINS FOR ICE JAMS...WHICH COULD
LEAD TO SOME LOCALIZED FLOODING.
THOSE WITH RIVER INTERESTS OR WHO LIVE IN LOW LYING AREAS SHOULD
REMAIN ALERT FOR POSSIBLE WATER ISSUES OVER THE NEXT SEVERAL DAYS.
$$
DAS

HAZARDOUS WEATHER OUTLOOK
Issue Date: 506 AM CST FRI DEC 25 2009
Expiration: 600 AM CST SAT DEC 26 2009

Expires:200912261200;;
FLUS43 KARX 251040
HWOARX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
438 AM CST FRI DEC 25 2009
IAZ009>011-019-029-030-MNZ079-087-088-095-096-WIZ017-029-032>034-
041>044-053>055-061-261200-
ADAMS-ALLAMAKEE-BUFFALO-CHICKASAW-CLARK-CLAYTON-CRAWFORD-FAYETTE-
FILLMORE-GRANT-HOUSTON-HOWARD-JACKSON-JUNEAU-LA CROSSE-MONROE-
OLMSTED-RICHLAND-TAYLOR-TREMPEALEAU-VERNON-WABASHA-WINNESHIEK-WINONA-
438 AM CST FRI DEC 25 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHWEST WISCONSIN...
SOUTHEAST MINNESOTA AND NORTHEAST IOWA.
.DAY ONE...TODAY AND TONIGHT
A WINTER WEATHER ADVISORY IS IN EFFECT TODAY.
BETWEEN A HALF OF AN INCH AND ONE INCH OF RAIN FELL THURSDAY NIGHT.
THIS RAINFALL...COMBINED WITH PARTIAL MELTING OF AN 8 TO 12 INCH
AVERAGE SNOW PACK...HAS LEAD TO SOME PONDING OF WATER...WITHIN BANK
RISES ON AREA CREEKS AND RIVERS...AND POSSIBLY SOME LOCALIZED
FLOODING. IN ADDITION...THERE MAY BE SOME LOCALIZED ICE JAMS WHICH
MAY LEAD TO SOME ISOLATED FLOODING.
EVEN THOUGH PRECIPITATION SHOULD BE MAINLY IN THE FORM OF RAIN
THIS MORNING...SLEET AND SNOW IS EXPECTED TO MIX IN AT TIMES...
ESPECIALLY ON RIDGETOPS. ANY ICE ACCUMULATIONS TONIGHT SHOULD
BE AROUND OR LESS THAN A TENTH OF AN INCH...WITH SNOW ACCUMULATIONS
AN INCH OR LESS.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
LIGHT SNOW IS LIKELY SATURDAY INTO SUNDAY WITH MINOR ACCUMULATIONS
POSSIBLE.
.SPOTTER INFORMATION STATEMENT...
REPORTS OF SNOW AND ICE ACCUMULATIONS ALONG WITH LOCALIZED FLOODING
WOULD BE GREATLY APPRECIATED TODAY.
.EMERGENCY MANAGEMENT COORDINATION...
NO CALL IS SCHEDULED.
$$

WINTER WEATHER ADVISORY
Issue Date: 405 AM CST FRI DEC 25 2009
Expiration: 600 PM CST FRI DEC 25 2009

...WINTRY MIX OF PRECIPITATION TO CONTINUE THROUGH THIS AFTERNOON..
.A STRONG LOW PRESSURE SYSTEM IN NORTHEAST MISSOURI WILL TRACK TO
THE NORTHWEST INTO CENTRAL IOWA TODAY. MODERATE TO HEAVY
PRECIPITATION WILL CONTINUE OUT AHEAD OF IT TODAY...BRINGING A MIX
OF SLEET...RAIN AND SNOW TO THE REGION. RAIN CONTINUED TO BE THE
MAIN PRECIPITATION TYPE NOTED ON OBSERVATIONS THIS MORNING...WITH
SNOW AND SLEET BEING REPORTED ACROSS SOUTHEAST MINNESOTA. COLDER
AIR IS EXPECTED TO WRAP INTO THE SYSTEM LATER THIS MORNING WHICH
WILL HELP CHANGE THE PRECIPITATION TYPE TO A MIX OF SLEET...SNOW
AND RAIN. BY THIS AFTERNOON...MOST OF THE AREA SHOULD BE CHANGING
OVER TO SNOWFALL. THE MAIN CONCERN RESIDES WITH SLEET ACCUMULATION
TODAY AS SNOW ACCUMULATION IS EXPECTED TO BE LESS THAN AN INCH
ACROSS THE REGION...WITH THE EXCEPTION BEING IN THE CHARLES CITY
IOWA TO DODGE CENTER MINNESOTA REGION WHERE 1 TO 3 INCHES MAY
FALL. THIS STORM SYSTEM WILL CONTINUE CAUSE HAZARDOUS TRAVEL
CONDITIONS THROUGH CHRISTMAS DAY.
IAZ009-010-019-029-MNZ079-087-088-095-096-WIZ017-029-032>034-
041>044-053-251815-
/O.CAN.KARX.WS.W.0007.000000T0000Z-091226T0000Z/
/O.EXA.KARX.WW.Y.0015.000000T0000Z-091226T0000Z/
HOWARD-WINNESHIEK-CHICKASAW-FAYETTE-WABASHA-OLMSTED-WINONA-
FILLMORE-HOUSTON-TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-
LA CROSSE-MONROE-JUNEAU-ADAMS-VERNON-
INCLUDING THE CITIES OF...DECORAH...OELWEIN...ROCHESTER...
WINONA...MEDFORD...NEILLSVILLE...BLACK RIVER FALLS...LA CROSSE...
SPARTA/TOMAH...MAUSTON...VIROQUA
405 AM CST FRI DEC 25 2009
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
WEATHER ADVISORY FOR A WINTRY MIX OF SLEET AND SNOW...WHICH IS IN
EFFECT UNTIL 6 PM CST THIS EVENING. THE WINTER STORM WARNING HAS
BEEN CANCELLED.
* RAIN WILL CONTINUE THIS MORNING AND MIX IN WITH SLEET AT TIMES
AND WILL CHANGE OVER TO SNOW THIS AFTERNOON.
* ADDITIONAL SLEET ACCUMULATIONS OF A TENTH OF AN INCH ARE
EXPECTED TODAY WITH LESS THAN AN INCH OF SNOW ACCUMULATION.
* HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED TODAY DUE TO SLEET AND
SNOW ACCUMULATIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
$$

WINTER STORM WARNING
Issue Date: 358 AM CST WED DEC 23 2009
Expiration: 600 PM CST FRI DEC 25 2009

...FREEZING RAIN AND DRIZZLE TO CONTINUE THROUGH THE MORNING...
...SIGNIFICANT WINTER STORM WILL IMPACT THE AREA THIS AFTERNOON
THROUGH CHRISTMAS...
.PATCHY AREAS OF FREEZING RAIN AND DRIZZLE WILL CONTINUE ACROSS
NORTHEAST IOWA AND SOUTHWEST WISCONSIN THIS MORNING WHICH WILL
CAUSE SOME ROADS TO BECOME ICY AND HAZARDOUS.
A DEVELOPING AREA OF LOW PRESSURE IN THE SOUTHERN PLAINS WILL
TRACK FROM ALONG THE GULF COAST THURSDAY MORNING AND LIFT INTO
CENTRAL IOWA EARLY ON FRIDAY. PRECIPITATION IS EXPECTED TO WAVER
BACK AND FORTH FROM SNOW TO FREEZING RAIN THROUGHOUT THE EVENT.
SNOWFALL AND ICE ACCUMULATIONS WILL VARY ACROSS THE
REGION...ALTHOUGH THERE WILL BE BETTER CHANCES FOR THE
PRECIPITATION TO REMAIN SNOW LONGER FURTHER TO THE WEST IN
MINNESOTA AND IOWA...WHILE WARMER AIR FURTHER EAST ACROSS
WISCONSIN WILL LEAD TO MORE MIXED PRECIPITATION. REGARDLESS...THIS
POTENT STORM SYSTEM IS EXPECTED TO CAUSE HAZARDOUS TRAVEL
CONDITIONS TODAY THROUGH CHRISTMAS AFTERNOON.
WIZ041>044-231800-
/O.UPG.KARX.WS.A.0005.091224T0000Z-091226T0000Z/
/O.NEW.KARX.WS.W.0007.091224T0000Z-091226T0000Z/
LA CROSSE-MONROE-JUNEAU-ADAMS-
INCLUDING THE CITIES OF...LA CROSSE...SPARTA/TOMAH...MAUSTON
358 AM CST WED DEC 23 2009
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST FRIDAY...
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WARNING FOR SNOW AND FREEZING RAIN...WHICH IS IN EFFECT
FROM 6 PM THIS EVENING TO 6 PM CST FRIDAY. THE WINTER STORM WATCH
IS NO LONGER IN EFFECT.
* SNOW AND FREEZING RAIN SHOULD ADVANCE INTO MUCH OF THE AREA THIS
EVENING.
* SNOW AND FREEZING RAIN WILL BE THE MAIN PRECIPITATION FORMS THIS
AFTERNOON THROUGH CHRISTMAS.
* LESS THAN ONE TENTH OF AN INCH OF ICE IS EXPECTED THIS MORNING
WITH THE FREEZING RAIN AND DRIZZLE. A TENTH OF AN INCH TO A
QUARTER OF AN INCH OF ICE IS EXPECTED TO OCCUR DUE TO THE
FREEZING RAIN. THE HIGHEST SNOWFALL AMOUNTS OF 12 TO 18 INCHES
ARE EXPECTED FROM POINTS WEST OF A LINE FROM CHARLES CITY IOWA
TO ARCADIA WISCONSIN. 6 TO 12 INCHES ARE EXPECTED EAST FROM THIS.
* SNOW AND ICE ACCUMULATIONS ARE EXPECTED TO CAUSE HAZARDOUS
TRAVEL THIS AFTERNOON THROUGH FRIDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...SLEET...AND
ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE.
THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.
$$

WINTER STORM WATCH
Issue Date: 334 PM CST MON DEC 21 2009
Expiration: 600 PM CST FRI DEC 25 2009

...A BAND OF SNOW WILL SPREAD ACROSS THE AREA TONIGHT...A
SIGNIFICANT WINTER STORM WILL SPREAD ACROSS THE AREA FROM
WEDNESDAY AFTERNOON THROUGH THE CHRISTMAS HOLIDAY...
.AN UPPER LEVEL DISTURBANCE MOVING EAST ACROSS NEBRASKA AND SOUTH
DAKOTA...COMBINED WITH MOISTURE BEING PUSHED NORTH OVER A WARM
FRONT ACROSS NEBRASKA AND IOWA...WILL PRODUCE A BAND OF SNOWFALL
ACROSS THE AREA TONIGHT INTO TUESDAY MORNING. SNOW AMOUNTS OF
2 TO 4 INCHES...LOCALLY UP TO 5 INCHES...ARE EXPECTED ALONG AND
SOUTH OF A LINE FROM DODGE CENTER...ROCHESTER AND CALEDONIA
MINNESOTA TO RICHLAND CENTER WISCONSIN.
A MUCH STRONGER AND MORE MOIST SYSTEM WILL MOVE INTO THE SOUTHERN
PLAINS TUESDAY AND WEDNESDAY...THEN LIFT INTO SOUTHERN IOWA BY
FRIDAY MORNING. THIS SYSTEM IS EXPECTED TO BRING A WINTRY MIX OF
PRECIPITATION TO THE AREA STARTING WEDNESDAY AND CONTINUING INTO
FRIDAY. PRECIPITATION TYPES REMAIN UNCERTAIN AT THIS TIME...AS IT
REMAIN UNCLEAR HOW MUCH WARM AIR AND HOW FAR NORTH THE WARM AIR
WILL GET WRAPPED INTO THE SYSTEM. SNOW...SLEET...FREEZING RAIN AND
RAIN...AND VARIOUS MIXES OF IT...ARE ALL POSSIBLE AS THIS LOW LIFTS
TOWARD THE REGION. THIS WINTRY MIX OF PRECIPITATION IS EXPECTED TO
CAUSE HAZARDOUS TRAVEL AND TRAVEL DELAYS FROM LATER WEDNESDAY
THROUGH CHRISTMAS DAY.
MNZ079-WIZ017-029-032>034-041>044-220545-
/O.NEW.KARX.WS.A.0005.091224T0000Z-091226T0000Z/
WABASHA-TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-
JUNEAU-ADAMS-
INCLUDING THE CITIES OF...MEDFORD...NEILLSVILLE...
BLACK RIVER FALLS...LA CROSSE...SPARTA/TOMAH...MAUSTON
334 PM CST MON DEC 21 2009
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY EVENING THROUGH
FRIDAY AFTERNOON.
* A WINTRY MIX OF PRECIPITATION...SOME OF IT HEAVY...IS EXPECTED
TO SPREAD ACROSS THE AREA FROM WEDNESDAY NIGHT THROUGH FRIDAY.
* PRECIPITATION TYPES AND AMOUNTS REMAIN UNCERTAIN FOR LATER IN
THE WEEK...HOWEVER SEVERAL INCHES OF SNOW ALONG WITH SOME
SLEET...FREEZING RAIN OR RAIN ARE LIKELY.
* HAZARDOUS TRAVEL...WITH UNTREATED ROADS EXPECTED TO BE SNOW OR
ICE COVERED...IS EXPECTED FROM WEDNESDAY NIGHT THROUGH FRIDAY.
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.
$$
RRS
WEATHER.GOV/LACROSSE