SPECIAL WEATHER STATEMENT
Issue Date: 449 AM CST TUE DEC 22 2009
Expiration: 700 AM CST TUE DEC 22 2009 /549 AM EST TUE DEC 22 2009/
...SIGNIFICANT WINTER STORM TO AFFECT PORTIONS OF THE MIDWEST
WEDNESDAY THROUGH CHRISTMAS DAY...
A STRONG STORM SYSTEM CURRENTLY MOVING ACROSS SOUTHERN CALIFORNIA
WILL EMERGE OVER THE SOUTHERN PLAINS ON WEDNESDAY...THEN INTENSIFY
AS IT LIFTS NORTHWARD...JUST WEST OF THE MISSISSIPPI RIVER. THIS
SYSTEM WILL BRING A MIX OF SNOW...SLEET...FREEZING RAIN...AND
RAIN TO THE AREA.
CURRENT FORECAST GUIDANCE INDICATES THAT PRECIPITATION WILL
LIKELY BEGIN WEDNESDAY MORNING ACROSS AREAS TO THE SOUTH OF
INTERSTATE 80 AS A MIX OF SNOW...SLEET...AND FREEZING
RAIN...BEFORE SPREADING NORTH ACROSS THE ENTIRE AREA DURING THE
DAY ON WEDNESDAY. THIS WINTRY MIX WILL CONTINUE WEDNESDAY NIGHT
ALONG AND NORTH OF INTERSTATE 80 BEFORE TEMPERATURES RISE ABOVE
FREEZING OVER THE ENTIRE FORECAST AREA THURSDAY MORNING. A CHANGE
TO LIGHT SNOW IS EXPECTED FROM WEST TO EAST ON FRIDAY AS COLDER
AIR WRAPS IN AROUND THE STORM CENTER OVER IOWA.
WHILE AVAILABLE FORECAST INFORMATION IS IN GENERALLY GOOD
AGREEMENT REGARDING THE LARGE SCALE EVOLUTION OF THIS STORM
SYSTEM...IT IS STILL TOO EARLY TO DETERMINE HOW MUCH SNOW AND ICE
MAY ACCUMULATE WEDNESDAY AND WEDNESDAY NIGHT.
WITH A PROLONGED PERIOD OF MIXED PRECIPITATION EXPECTED ACROSS
THE AREA...TRAVEL CONDITIONS MAY BE SIGNIFICANTLY AFFECTED ACROSS
THE MIDWEST WEDNESDAY THROUGH CHRISTMAS DAY. INDIVIDUALS WHO PLAN
ON TRAVELING THROUGH THE AREA LATER THIS WEEK ARE ENCOURAGED TO
REMAIN ALERT FOR CHANGING WEATHER CONDITIONS...AND ANY
WATCHES...WARNINGS...OR ADVISORIES THAT MAY BE ISSUED BY THE
NATIONAL WEATHER SERVICE.
$$
MERZLOCK
HAZARDOUS WEATHER OUTLOOK
Issue Date: 443 AM CST TUE DEC 22 2009
Expiration: 445 AM CST WED DEC 23 2009 /539 AM EST TUE DEC 22 2009/
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TODAY AND TONIGHT.
SNOW WILL TAPER TO SCATTERED FLURRIES BY NOON TODAY AFTER
ACCUMULATING UP TO 3 INCHES ACROSS PORTIONS OF NORTHERN ILLINOIS
AND NORTHWEST INDIANA. UNTREATED AREA ROADS WILL BE SNOW COVERED
AND SLIPPERY THIS MORNING.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
A STRONGER STORM SYSTEM IS EXPECTED TO DEVELOP OVER THE SOUTHERN
PLAINS BY MID WEEK...AND WILL INTENSIFY AS IT LIFTS NORTHWARD UP
THE MISSISSIPPI VALLEY THROUGH THE END OF THE WEEK. THIS WILL
RESULT IN A PERIOD OF SNOW...SLEET AND FREEZING RAIN...DEVELOPING
AS EARLY AS WEDNESDAY AFTERNOON...AND CONTINUING INTO EARLY
THURSDAY MORNING...BEFORE PRECIPITATION CHANGES TO ALL RAIN DURING
THURSDAY. COLDER AIR WILL THEN CIRCULATE AROUND THE STORM CENTER
ALLOWING PRECIPITATION TO CHANGE BACK TO LIGHT SNOW OR SNOW
SHOWERS ON CHRISTMAS DAY...WITH PERIODS OF LIGHT SNOW CONTINUING
INTO SATURDAY AS THE LOW CENTER DRIFTS OFF ACROSS THE UPPER
MIDWEST.
THIS STORM SYSTEM HAS THE POTENTIAL TO IMPACT TRAVEL DURING THE
CHRISTMAS HOLIDAY PERIOD...ESPECIALLY HEADING WEST ACROSS
IOWA...AND NORTH INTO MINNESOTA AND WISCONSIN. PERSONS PLANNING
TRAVEL ACROSS THE MIDWEST BETWEEN WEDNESDAY AND SATURDAY SHOULD
MONITOR FURTHER FORECASTS AND STATEMENTS FOR THE LATEST
INFORMATION ON THIS DEVELOPING WINTER STORM.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
$$
SPECIAL WEATHER STATEMENT
Issue Date: 428 AM CST TUE DEC 22 2009
Expiration: 430 PM CST TUE DEC 22 2009 ...A SIGNIFICANT STORM WILL IMPACT THE MIDWEST MIDWEEK...
A STRONG STORM SYSTEM IS EXPECT TO DEVELOP OVER THE WESTERN UNITED
STATES TODAY...AND MOVE SLOWLY EASTWARD THE REST OF THE WEEK. IT
WILL IMPACT MUCH OF THE MIDWEST...BEGINNING LATER TODAY AND
CONTINUING THROUGH CHRISTMAS DAY.
CURRENT INDICATIONS ARE THAT A CHANCE OF LIGHT FREEZING RAIN OR
FREEZING DRIZZLE WILL DEVELOP NORTH OF INTERSTATE 74 TONIGHT. AS
SOUTHEAST WINDS INTENSIFY ON WEDNESDAY...WARM AIR WILL CHANGE ANY
LINGERING FREEZING RAIN TO RAIN ACROSS THE REGION FROM SOUTH TO
NORTH.
AT THIS TIME IT APPEARS THAT THE AMOUNT OF ICING WILL BE
LIGHT...FROM TONIGHT THROUGH WEDNESDAY MORNING. HOWEVER...ANY
FREEZING RAIN OR FREEZING DRIZZLE WILL MAKE TRAVELING DIFFICULT.
THE HEAVIEST PRECIPITATION WILL LIKELY FALL AS RAIN WEDNESDAY
NIGHT AND THURSDAY...WITH THUNDERSTORMS A DISTINCT POSSIBILITY ALONG
AND SOUTH OF INTERSTATE 72. STORM CHANCES WILL BE ESPECIALLY HIGH
DURING CHRISTMAS EVE AS A STRONG COLD FRONT PLOWS THROUGH THE
AREA. LOCALIZED FLOODING WILL BE POSSIBLE DUE TO HEAVY RAINS AND
HIGH RUNOFF OVER THE FROZEN GROUND. ONCE THE STORM PULLS NORTH OF OUR
AREA ON CHRISTMAS DAY...COLD AIR WILL CHANGE THE RAIN TO SNOW
SHOWERS...WITH LIGHT SNOW ACCUMULATION POSSIBLE.
HOLIDAY TRAVELERS NEED TO BE PARTICULARLY ALERT TO TRAVEL CONDITIONS
THIS WEEK. THIS STORM HAS THE POTENTIAL TO SIGNIFICANTLY IMPACT
HIGHWAYS AND AIRPORTS IN THE MIDWEST...PARTICULARLY TO THE NORTH AND
NORTHWEST OF OUR AREA. AT THIS TIME IT APPEARS THE MOST SIGNIFICANT
SNOWFALL AND ICE ACCUMULATIONS WILL OCCUR ACROSS PARTS OF IOWA...
SOUTHERN MINNESOTA...EXTREME SOUTHERN WISCONSIN...AND NORTHERN
ILLINOIS.
$$
SHIMON
HAZARDOUS WEATHER OUTLOOK
Issue Date: 310 PM CST MON DEC 21 2009
Expiration: 600 AM CST TUE DEC 22 2009 Expires:200912221200;;
FLUS43 KILX 212107
HWOILX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
307 PM CST MON DEC 21 2009
ILZ027>031-037-038-221200-
KNOX-MARSHALL-MCLEAN-PEORIA-STARK-TAZEWELL-WOODFORD-
307 PM CST MON DEC 21 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.
.DAY ONE...TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
A LARGE STORM SYSTEM WILL DEVELOP OVER THE WESTERN UNITED STATES
TONIGHT...THEN MOVE EASTWARD AND IMPACT THE MIDWEST LATE TUESDAY
THROUGH CHRISTMAS DAY. FREEZING DRIZZLE WILL INITIALLY DEVELOP
ACROSS THE AREA TUESDAY AND TUESDAY NIGHT...AS WARM AIR ALOFT FLOWS OVER
A BELOW FREEZING AIRMASS AT THE SURFACE. AS TEMPERATURES SLOWLY
WARM...THE PRECIPITATION WILL GRADUALLY CHANGE TO RAIN BY
WEDNESDAY MORNING. AT THIS TIME...ONLY A LIGHT ACCUMULATION OF ICE
IS EXPECTED TUESDAY NIGHT INTO WEDNESDAY MORNING...HOWEVER ANY
AMOUNT OF ICE CAN MAKE TRAVEL HAZARDOUS. THERE IS ALSO THE
POTENTIAL FOR HEAVY RAIN ON WEDNESDAY NIGHT INTO THURSDAY. PLEASE
CONTINUE TO MONITOR LATER FORECASTS AND STATEMENTS FOR MORE
INFORMATION ON THIS DEVELOPING WINTER STORM.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.
$$
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