HYDROLOGIC OUTLOOK
Issue Date: 344 PM CST WED DEC 23 2009
Expiration: 345 AM CST THU DEC 24 2009

...HEAVY RAINFALL COULD CAUSE FLOODING ACROSS SOUTHERN
WISCONSIN...
A STRONG WINTER STORM WILL BRING A WINTRY MIX OVER SOUTHERN
WISCONSIN TONIGHT...THEN PERIODS OF MODERATE RAIN THURSDAY THROUGH
THURSDAY NIGHT...LASTING INTO FRIDAY MORNING. FORECAST RAINFALL
TOTALS WILL RANGE FROM BETWEEN 1 INCH AND 1.2 INCHES.
SNOW PACK OVER THE AREA IS HOLDING AN ADDITIONAL 1 TO 1.5 INCHES OF
WATER THAT WILL BE RELEASED WITH THE RAINFALL AND MELTING FROM
TEMPERATURES RISING INTO THE MID TO UPPER 30S.
WITH THE FROZEN GROUND...THE RAIN AND MELT WATER WILL NOT BE ABLE
TO PERCOLATE INTO THE SOIL...AND WILL RUN OFF INTO AREA RIVERS AND
STREAMS AND LOW-LYING AREAS. ANY STREETS OR ROADWAYS WITH POOR
DRAINAGE DUE TO SNOW OR DEBRIS-CLOGGED STORM DRAINS WILL ALSO FILL
WITH WATER.
PERSONS LIVING NEAR FAST-RESPONDING RIVERS AND STREAMS...OR IN LOW-
LYING DRAINAGE AREAS SHOULD MONITOR THE LATEST FORECASTS FOR
UPDATED INFORMATION ON THIS FLOODING THREAT. MOTORISTS SHOULD BE
PREPARED FOR FLOODED INTERSECTIONS AND OVERPASSES.
$$
REM

HAZARDOUS WEATHER OUTLOOK
Issue Date: 428 PM CST WED DEC 23 2009
Expiration: 445 AM CST THU DEC 24 2009

Expires:200912241045;;
FLUS43 KMKX 232204 AAB
HWOMKX
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
404 PM CST WED DEC 23 2009
WIZ046-047-051-052-056>060-062>072-241045-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
404 PM CST WED DEC 23 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.
.DAY ONE...TONIGHT
A SURGE OF MOISTURE ALONG WITH AN UPPER LEVEL DISTURBANCE SPAWNED BY
A DEVELOPING LARGE AND STRONG AREA OF LOW PRESSURE IN THE SOUTHERN
PLAINS WILL BRING A MIXTURE OF SNOW...SLEET AND FREEZING RAIN TO
SOUTHERN WISCONSIN TONIGHT. A WINTER STORM WARNING HAS BEEN ISSUED
FOR SOUTH CENTRAL WISCONSIN...AND A WINTER WEATHER ADVISORY
CONTINUES FOR SOUTHEAST WISCONSIN.
FOR MORE DETAILED INFORMATION...SEE THE LATEST WINTER WEATHER
MESSAGE.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY
THE WINTER STORM WARNING AND WINTER WEATHER ADVISORY WILL REMAIN IN
EFFECT THROUGH THURSDAY MORNING...DUE TO THE LIKELIHOOD OF A
LINGERING MIXTURE OF RAIN AND LIGHT FREEZING RAIN.
THE MIXTURE IS EXPECTED TO TRANSITION TO PERIODS OF RAIN AND DRIZZLE
THURSDAY AFTERNOON...AS A SURGE OF DEEP MOISTURE AND WARMER AIR
PUSHES NORTHWARD INTO SOUTHERN WISCONSIN AHEAD OF STRONG LOW
PRESSURE OVER MISSOURI.
THE RAIN IS EXPECTED TO BE HEAVY AT TIMES THURSDAY AND THURSDAY
NIGHT...LASTING INTO FRIDAY MORNING. RAINFALL OF ONE INCH...TO ONE
AND ONE QUARTER INCHES...ARE EXPECTED TO FALL QUICKLY ON TOP OF THE
CURRENT SNOW PACK AND FROZEN GROUND. THIS WILL LIKELY RESULT IN
MINOR FLOODING OF AREA CREEKS...RIVERS...AND STREAMS. RUNOFF WOULD
ALSO CAUSE PONDING OF WATER ON AREA ROADWAYS.
PRIOR TO THURSDAY NIGHT...IT WILL BE A GOOD IDEA TO MAKE SURE THE
CLOSEST STREET DRAIN TO YOUR RESIDENCE IS UNCLOGGED BY SNOW AND
DEBRIS.
THE PERIODS OF RAIN WILL CHANGE BACK TO OCCASIONAL SNOW ON
FRIDAY...AS COLDER AIR WRAPS AROUND THE WEAKENING AREA OF LOW
PRESSURE OVER IOWA. PERIODS OF LIGHT SNOW WILL THEN CONTINUE INTO
SATURDAY...WITH LIGHT ACCUMULATIONS AS THE LOW PRESSURE AREA
MEANDERS TO THE EAST.
THE PERIODS OF MIXED PRECIPITATION WILL LIKELY AFFECT HOLIDAY
TRAVEL...ESPECIALLY TONIGHT INTO THURSDAY MORNING. STAY UPDATED ON
THE LATEST FORECAST CONCERNING THIS PERIOD OF MIXED
PRECIPITATION...AND BE READY TO ALTER YOUR TRAVEL PLANS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED...BUT SNOW...SLEET AND ICE
REPORTS ARE APPRECIATED.
$$

WINTER WEATHER ADVISORY
Issue Date: 354 AM CST WED DEC 23 2009
Expiration: 1200 PM CST THU DEC 24 2009

...MIXTURE OF PRECIPITATION EXPECTED TO DEVELOP LATE TODAY INTO
THURSDAY MORNING...
.A SURGE OF MOISTURE AHEAD OF A DEVELOPING LOW PRESSURE SYSTEM IN
THE SOUTHERN PLAINS WILL PRODUCE A MIXTURE OF SNOW...SLEET AND
FREEZING RAIN ACROSS SOUTHERN WISCONSIN...BEGINNING LATER THIS
AFTERNOON AND CONTINUING INTO THURSDAY MORNING.
THE PRECIPITATION WILL START OUT AS A SNOW AND SLEET MIX...AND
THEN TRANSITION TO A MIXTURE OF FREEZING RAIN AND SLEET LATER
TONIGHT INTO THURSDAY MORNING. THE MIXTURE IS EXPECTED TO CHANGE
TO MOSTLY RAIN AND DRIZZLE BY THURSDAY AFTERNOON.
SNOWFALL AND SLEET WILL RANGE FROM AROUND AN INCH NEAR LAKE
MICHIGAN...TO BETWEEN 3 AND 5 INCHES IN PARTS OF SOUTH CENTRAL
WISCONSIN...SOUTH AND WEST OF MADISON. IN ADDITION...ICE
ACCUMULATION LESS THAN A QUARTER OF AN INCH IS EXPECTED.
A WINTER WEATHER ADVISORY HAS BEEN POSTED FOR ALL OF SOUTHERN
WISCONSIN STARTING EITHER LATE THIS AFTERNOON OR EVENING...LASTING
THROUGH THURSDAY MORNING.
HAZARDOUS TRAVEL CONDITIONS ARE EXPECTED TO DEVELOP RAPIDLY OVER
PORTIONS OF SOUTHERN WISCONSIN LATE THIS AFTERNOON AND THIS
EVENING. ALL INTERESTS WILL WANT TO STAY ABREAST OF THE LATEST
FORECASTS...AND PLAN ON ALTERING YOUR PLANS TO STAY AHEAD OF THE
DETERIORATING WEATHER.
WIZ046-047-056>058-063>066-069>072-231800-
/O.UPG.KMKX.WS.A.0007.091224T0000Z-091224T2100Z/
/O.NEW.KMKX.WW.Y.0016.091224T0000Z-091224T1800Z/
MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-DODGE-DANE-JEFFERSON-WAUKESHA-
MILWAUKEE-ROCK-WALWORTH-RACINE-KENOSHA-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...BARABOO...PORTAGE...
WISCONSIN DELLS...BEAVER DAM...MADISON...JEFFERSON...LAKE MILLS...
WAUKESHA...BROOKFIELD...MILWAUKEE...JANESVILLE...BELOIT...
ELKHORN...LAKE GENEVA...RACINE...KENOSHA
354 AM CST WED DEC 23 2009
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
NOON CST THURSDAY...
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
WINTER WEATHER ADVISORY FOR SNOW...SLEET AND FREEZING RAIN...
WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON CST THURSDAY.
THE WINTER STORM WATCH IS NO LONGER IN EFFECT.
* PRECIPITATION WILL BEGIN AS MAINLY SNOW LATER THIS
AFTERNOON...THEN TRANSITION TO A MIX OF FREEZING RAIN...SLEET...
AND SNOW TONIGHT. THE MIXTURE IS EXPECTED TO CHANGE OVER TO
MOSTLY RAIN AND DRIZZLE ON THURSDAY...THEN CHANGE BACK OVER TO
ALL SNOW ON FRIDAY.
* TOTAL SNOW AND SLEET ACCUMULATIONS EXPECTED FROM LATE TODAY INTO
THURSDAY MORNING...1 TO 4 INCHES WITH THE HEAVIEST SNOW AND SLEET
SOUTH AND WEST OF MADISON.
* ICE ACCUMULATIONS LESS THAN ONE QUARTER INCH ARE POSSIBLE LATER
TONIGHT INTO THURSDAY MORNING.
* WINDS...BLUSTERY EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 30 MPH
WILL CONTINUE TONIGHT INTO THURSDAY MORNING.
* HAZARDOUS TRAVEL ASSOCIATED WITH SNOW AND ICE COVERED ROADS IS
EXPECTED TO DEVELOP TONIGHT.
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 WATCH
Issue Date: 1117 AM CST TUE DEC 22 2009
Expiration: 300 PM CST THU DEC 24 2009

...WINTER STORM WILL IMPACT SOUTHERN WISCONSIN WEDNESDAY NIGHT INTO
THURSDAY...
.MOISTURE WILL SURGE NORTHWARD ACROSS SOUTHERN WISCONSIN LATE
WEDNESDAY AFTERNOON AND WEDNESDAY NIGHT AHEAD OF A LOW PRESSURE
SYSTEM DEVELOPING IN THE CENTRAL PLAINS. PRECIPITATION IS EXPECTED
TO BEGIN AS SNOW...BUT THEN CHANGE INTO A MIX OF SNOW...SLEET...
FREEZING RAIN AND RAIN ON THURSDAY AS WARMER AIR WRAPS INTO THE
SYSTEM.
WIZ046-047-056>058-063-064-069-070-230130-
/O.NEW.KMKX.WS.A.0007.091224T0000Z-091224T2100Z/
MARQUETTE-GREEN LAKE-SAUK-COLUMBIA-DODGE-DANE-JEFFERSON-ROCK-
WALWORTH-
INCLUDING THE CITIES OF...MONTELLO...BERLIN...BARABOO...PORTAGE...
WISCONSIN DELLS...BEAVER DAM...MADISON...JEFFERSON...LAKE MILLS...
JANESVILLE...BELOIT...ELKHORN...LAKE GENEVA
1117 AM CST TUE DEC 22 2009
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
WINTER STORM WATCH...WHICH IS IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY AFTERNOON.
* PRECIPITATION WILL BEGIN AS MAINLY SNOW ON WEDNESDAY
AFTERNOON...THEN TRANSITION TO A MIX OF FREEZING
RAIN...SLEET...AND SNOW BY THURSDAY MORNING. THE MIX MAY CHANGE
TO ALL RAIN THURSDAY NIGHT...THEN GRADUALLY CHANGE BACK OVER TO
ALL SNOW BY FRIDAY AFTERNOON.
* SNOW AND SLEET ACCUMULATIONS LATE WEDNESDAY AFTERNOON THROUGH
THURSDAY MORNING...2 TO 4 INCHES...WITH UP TO 5 INCHES WELL
NORTHWEST OF MADISON.
* ICE ACCUMULATIONS UP TO HALF AN INCH ARE POSSIBLE THURSDAY
MORNING THROUGH THURSDAY AFTERNOON.
* WINDS...BRISK EAST WINDS OF 15 TO 25 MPH WILL PERSIST THROUGH
MUCH OF WEDNESDAY AND THURSDAY.
* HAZARDOUS TRAVEL ASSOCIATED WITH SNOW AND ICE COVERED ROADS IS
EXPECTED FROM EARLY WEDNESDAY EVENING 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.
$$