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: 324 PM CST FRI DEC 25 2009
Expiration: 500 AM CST SAT DEC 26 2009

Expires:200912261100;;
FLUS43 KARX 252115
HWOARX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
315 PM CST FRI DEC 25 2009
IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-032>034-
041>044-053>055-061-261100-
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-
315 PM CST FRI DEC 25 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA...AND SOUTHWEST INTO CENTRAL WISCONSIN.
.DAY ONE...TONIGHT
BETWEEN 1/2 TO 1 1/2 INCHES OF RAIN FELL THURSDAY NIGHT. THIS
RAINFALL...COMBINED WITH PARTIAL MELTING OF AN 8 TO 12 INCH 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 COULD LEAD
TO SOME ISOLATED FLOODING. THE GREATER THREAT FOR ISOLATED FLOODING
WILL BE ACROSS PORTIONS OF NORTHEAST IOWA AND SOUTHWEST WISCONSIN.
PERIODS OF LIGHT SNOW CAN BE EXPECTED TONIGHT...WITH ACCUMULATIONS
STAYING UNDER AN INCH. IN ADDITION...TEMPERATURES WILL COOL INTO
THE UPPER TEENS TO AROUND 20 TONIGHT. THIS WILL LEAD TO
REFREEZING OF WATER AND SLUSH ON AREA ROADWAYS...ESPECIALLY
SECONDARY AND LESS TRAVELED ROADS...AND SIDEWALKS. MOTORISTS AND
PEDESTRIAN TRAFFIC SHOULD BE ALERT TO THE POTENTIAL FOR SLICK
SPOTS TONIGHT INTO SATURDAY MORNING.
.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.
.EMERGENCY MANAGEMENT COORDINATION...
NO CALL IS SCHEDULED.
$$

SPECIAL WEATHER STATEMENT
Issue Date: 300 PM CST FRI DEC 25 2009
Expiration: 600 AM CST SAT DEC 26 2009

...ICY TRAVEL CONDITIONS POSSIBLE TONIGHT...
COLDER AIR WILL RETURN TO THE AREA TONIGHT...WITH TEMPERATURES
FALLING INTO THE UPPER TEENS TO AROUND 20. THIS WILL LEAD TO THE
REFREEZING OF STANDING WATER AND SLUSH ON SOME AREA ROADWAYS AND
SIDEWALKS. MOTORISTS AND PEDESTRIAN TRAFFIC SHOULD BE ALERT FOR
THESE POTENTIAL SLICK SPOTS TONIGHT INTO SATURDAY MORNING.
$$
RIECK

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.
IAZ008>011-018-019-029-030-WIZ054-055-061-231800-
/O.UPG.KARX.WS.A.0005.091223T1800Z-091226T0000Z/
/O.NEW.KARX.WS.W.0007.091223T2100Z-091226T0000Z/
/O.EXT.KARX.ZR.Y.0002.000000T0000Z-091223T2100Z/
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-CRAWFORD-RICHLAND-GRANT-
INCLUDING THE CITIES OF...DECORAH...WAUKON...CHARLES CITY...
OELWEIN...PRAIRIE DU CHIEN...RICHLAND CENTER...PLATTEVILLE
358 AM CST WED DEC 23 2009
...FREEZING RAIN ADVISORY NOW IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...
...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON 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 3 PM THIS AFTERNOON TO 6 PM CST FRIDAY. THE FREEZING RAIN
ADVISORY IS NOW IN EFFECT UNTIL 3 PM CST THIS AFTERNOON. THE
WINTER STORM WATCH IS NO LONGER IN EFFECT.
* FREEZING RAIN AND DRIZZLE WILL CONTINUE INTO THE EARLY AFTERNOON
HOURS TODAY. THE INITIAL SURGE OF SNOW AND FREEZING RAIN SHOULD
ADVANCE INTO MUCH OF NORTHEAST IOWA AND ADJACENT PARTS OF
SOUTHEAST MINNESOTA AND SOUTHWEST WISCONSIN LATER THIS
AFTERNOON.
* 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.
* ICE ACCUMULATIONS OF ONE TENTH OF AN INCH OR LESS ARE EXPECTED
THIS MORNING RESULTING IN HAZARDOUS TRAVEL CONDITIONS.
ADDITIONAL 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.
A FREEZING RAIN ADVISORY MEANS THAT PERIODS OF FREEZING RAIN OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS. SLOW DOWN AND USE CAUTION WHILE DRIVING.
$$

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.
$$