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 WINTER WEATHER ADVISORY Issue Date: 907 PM CST WED DEC 23 2009 Expiration: 1200 PM CST THU DEC 24 2009 ...MIXTURE OF PRECIPITATION EXPECTED INTO THURSDAY MORNING...
.A SURGE OF MOISTURE AHEAD OF A DEVELOPING LOW PRESSURE SYSTEM IN
THE SOUTHERN PLAINS WILL CONTINUE TO PRODUCE A MIXTURE OF SNOW...SLEET
AND FREEZING RAIN ACROSS SOUTHERN WISCONSIN INTO THURSDAY MORNING.
FREEZING RAIN IN FAR SOUTHERN WISCONSIN WILL SHIFT NORTH TOWARD
CENTRAL WISCONSIN BY SUNRISE THURSDAY. THE FREEZING RAIN WILL
REPLACE SNOW AND SLEET WHICH WILL ACCUMULATE TO 2 TO 4 INCHES
BEFORE THE CHANGE TO FREEZING RAIN. THE MIXTURE IS EXPECTED TO
CHANGE TO MOSTLY RAIN AND DRIZZLE THURSDAY MORNING AS TEMPERATURES
WARM ABOVE FREEZING. ICE ACCUMULATION UP TO ONE QUARTER INCH IS
POSSIBLE AWAY FROM LAKE MICHIGAN.
HAZARDOUS TRAVEL CONDITIONS WILL CONTINUE INTO THURSDAY MORNING
OVER SOUTHERN WISCONSIN WITH IMPROVING CONDITIONS BY LATE THURSDAY
MORNING OR AFTERNOON AS TEMPERATURES WARM ABOVE FREEZING.
WIZ051-052-058>060-064>066-070>072-241115-
/O.CON.KMKX.WW.Y.0016.000000T0000Z-091224T1800Z/
FOND DU LAC-SHEBOYGAN-DODGE-WASHINGTON-OZAUKEE-JEFFERSON-WAUKESHA-
MILWAUKEE-WALWORTH-RACINE-KENOSHA-
INCLUDING THE CITIES OF...FOND DU LAC...SHEBOYGAN...BEAVER DAM...
WEST BEND...PORT WASHINGTON...JEFFERSON...LAKE MILLS...WAUKESHA...
BROOKFIELD...MILWAUKEE...ELKHORN...LAKE GENEVA...RACINE...KENOSHA
906 PM CST WED DEC 23 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...
A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY.
* PRECIPITATION OF SNOW AND SLEET WILL TRANSITION TO FREEZING RAIN
AND SLEET THROUGHOUT THE NIGHT. TEMPERATURES MAY WARM ENOUGH
NEAR THE LAKE FROM PORT WASHINGTON SOUTH TO THE ILLINOIS BORDER
FOR ALL RAIN DURING THE OVERNIGHT. THE MIXTURE IS EXPECTED TO
CHANGE OVER TO MOSTLY RAIN AND DRIZZLE ON THURSDAY.
* TOTAL SNOW AND SLEET ACCUMULATIONS EXPECTED INTO THURSDAY
MORNING...2 TO 4 INCHES.
* ICE ACCUMULATIONS LESS THAN ONE QUARTER INCH ARE POSSIBLE INTO
THURSDAY MORNING.
* WINDS...BLUSTERY EAST WINDS OF 15 TO 25 MPH WITH GUSTS TO 30
MPH WILL CONTINUE INTO THURSDAY MORNING.
* HAZARDOUS TRAVEL ASSOCIATED WITH SNOW AND ICE COVERED ROADS IS
OCCURRING.
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: 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.
$$
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