HYDROLOGIC OUTLOOK
Issue Date: 318 PM CST THU DEC 24 2009
Expiration: 500 AM CST FRI DEC 25 2009

...RAINFALL AND MELTING SNOW MAY CAUSE PONDING IN LOW LYING AND
URBAN AREAS TONIGHT AS WELL AS RISES ALONG AREA CREEKS AND
RIVERS...
A SIGNIFICANT WINTER STORM HAS BROUGHT WARMER AIR...ALONG WITH
RAIN TO PARTS OF NORTHEAST IOWA...SOUTHWEST WISCONSIN AND SOUTHEAST
MINNESOTA ON THURSDAY. AS THE MAIN PART OF THE STORM SYSTEM MOVES
NORTHWARD TOWARDS THE UPPER MISSISSIPPI RIVER VALLEY REGION
TONIGHT...WARM AIR WILL CONTINUE TO PUSH INTO THE AREA LEADING TO
VERY MINIMAL TEMPERATURE FALLS. THUS...TEMPERATURES WILL STAY AT
OR ABOVE THE FREEZING MARK OVERNIGHT...ALLOWING FURTHER MELTING OF
THE SNOW PACK.
IN ADDITION...PRECIPITATION WILL FALL THROUGH MUCH OF THE NIGHT...MAINLY
IN THE FORM OF RAIN. AMOUNTS BETWEEN ONE HALF TO ONE INCH ARE EXPECTED
THROUGH FRIDAY MORNING.
THE COMBINATION OF THE RAINFALL ALONG WITH MELTING OF THE WIDESPREAD
SNOW PACK WILL INCREASE RUNOFF AMOUNTS...WHICH MAY 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 AMOUNTS OF WATER ENTERING THE RIVER
SYSTEMS THERE REMAINS POTENTIAL 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.
$$
BROOKS

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.
$$

HAZARDOUS WEATHER OUTLOOK
Issue Date: 339 PM CST THU DEC 24 2009
Expiration: 600 AM CST FRI DEC 25 2009

...WINTER STORM IMPACTS THE AREA THROUGH CHRISTMAS DAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF WEST CENTRAL AND
CENTRAL WISCONSIN...SOUTHEAST MINNESOTA...AND NORTHEAST IOWA.
.DAY ONE...TONIGHT
A WINTER STORM WARNING REMAINS IN EFFECT TONIGHT.
A WINTRY MIX OF RAIN...FREEZING RAIN...SLEET...AND SNOW IS EXPECTED.
ANY ICE ACCUMULATIONS SHOULD BE LESS THAN A TENTH OF AN INCH.
SNOWFALL AMOUNTS SHOULD RANGE FROM LESS THAN AN INCH IN CENTRAL
WISCONSIN...TO 2 TO 4 INCHES FROM CHARLES CITY IOWA TOWARD WINONA
MINNESOTA AND BLACK RIVER FALLS WISCONSIN.
.DAYS TWO THROUGH SEVEN...CHRISTMAS DAY THROUGH WEDNESDAY
THE WINTER STORM WARNING WILL CONTINUE THROUGH 6 PM FRIDAY.
ACCUMULATING SNOW WILL CONTINUE TO FALL THROUGH SATURDAY NIGHT.
BETWEEN 2 AND 3 INCHES OF ADDITIONAL SNOW IS EXPECTED ON CHRISTMAS
DAY...WITH UP TO AN ADDITIONAL INCH OF SNOW ON BOTH FRIDAY NIGHT
AND SATURDAY.
.SPOTTER INFORMATION STATEMENT...
REPORTS OF SNOW AND ICE ACCUMULATIONS WOULD BE GREATLY APPRECIATED
THROUGH CHRISTMAS DAY.
.EMERGENCY MANAGEMENT COORDINATION...
NO CALL IS SCHEDULED.
$$

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.
MNZ086>088-094>096-WIZ053-231800-
/O.UPG.KARX.WS.A.0005.091223T1800Z-091226T0000Z/
/O.NEW.KARX.WS.W.0007.091224T0000Z-091226T0000Z/
DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-VERNON-
INCLUDING THE CITIES OF...ROCHESTER...WINONA...AUSTIN...VIROQUA
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.
IAZ008>011-018-019-029-030-MNZ086-087-094>096-WIZ053>055-061-
220545-
/O.NEW.KARX.WS.A.0005.091223T1800Z-091226T0000Z/
/O.CON.KARX.WW.Y.0014.091222T0000Z-091222T1500Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-DODGE-OLMSTED-MOWER-FILLMORE-HOUSTON-VERNON-CRAWFORD-
RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...ROCHESTER...AUSTIN...VIROQUA...PRAIRIE DU CHIEN...
RICHLAND CENTER...PLATTEVILLE
334 PM CST MON DEC 21 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
FRIDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A WINTER
STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
FRIDAY AFTERNOON. A WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 9 AM CST TUESDAY.
* SNOW WILL FALL ACROSS THE AREA TONIGHT INTO TUESDAY MORNING...
WITH THE HEAVIEST SNOW FROM AROUND 9 PM TO 3 AM. A WINTRY MIX OF
PRECIPITATION...SOME OF IT HEAVY...IS EXPECTED TO SPREAD ACROSS
THE AREA FROM WEDNESDAY AFTERNOON THROUGH FRIDAY.
* SNOW AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED TONIGHT INTO TUESDAY
MORNING...WITH LOCAL AMOUNTS UP TO 5 INCHES NEAR THE MINNESOTA-
IOWA BORDER. 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.
* VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE IN SOME OF
THE FALLING SNOW TONIGHT.
* TRAVEL WILL BECOME HAZARDOUS TONIGHT AS THE SNOW ACCUMULATES ON
UNTREATED OR UNPLOWED ROADS. MORE HAZARDOUS TRAVEL...WITH
UNTREATED ROADS EXPECTED TO BE SNOW OR ICE COVERED...IS EXPECTED
FROM LATER WEDNESDAY THROUGH FRIDAY.
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.
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.
$$