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NOUS43 KLSX 081446
PNSLSX

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1000 AM CDT FRI JUL 8 2005

...CAN TROPICAL SYSTEMS AFFECT MISSOURI AND ILLINOIS?...

THE CURRENT FORECAST FOR HURRICANE DENNIS INDICATES THAT THE SYSTEM 
MAY EVENTUALLY MOVE NORTH UP THE MISSISSIPPI RIVER VALLEY TOWARD 
MISSOURI AND ILLINOIS. WHILE THERE ARE STILL A LOT OF UNCERTAINTIES 
INVOLVED...THE POTENTIAL EXISTS THAT THE REMAINS OF DENNIS COULD 
CAUSE SIGNIFICANT RAIN IN THE REGION. WHILE IT IS NOT COMMON FOR 
TROPICAL SYSTEMS TO MOVE THIS FAR NORTH...IT DOES HAPPEN. 

SINCE 1879...THERE HAVE BEEN 45 TROPICAL SYSTEMS (MOSTLY THE REMAINS 
OF THE SYSTEM) THAT HAVE MOVED INTO THE MISSOURI/ILLINOIS REGION. 
HERE IS A QUICK LOOK AT SOME OF THE MORE RECENT TROPICAL SYSTEMS 
THAT MOVED INTO THE AREA AND THE SYSTEMS THAT CAUSED THE MOST 
SIGNIFICANT WEATHER. 

THE LAST TROPICAL SYSTEM TO APPROACH THE AREA WAS HURRICANE LILY IN 
OCTOBER 2002. LILY OFFICIALLY DIED ON OCTOBER 4 NEAR THE MISSOURI 
BOOTHEEL AND CAUSED VERY LITTLE RAIN IN MISSOURI OR ILLINOIS.

THE REMAINS OF TROPICAL STORM BARRY MOVED INTO SOUTHEAST MISSOURI IN 
AUGUST 2001. HOWEVER BY THE TIME IT DIED IN SOUTHEAST MISSOURI THERE 
WAS LITTLE LEFT EXCEPT FOR A WEAK CIRCULATION...THUS BARRY CAUSED 
LITTLE RAIN. 

THE LAST TROPICAL SYSTEM TO CAUSE SIGNIFICANT WEATHER WAS THE 
REMAINS OF TROPICAL STORM CLAUDETTE IN JULY 1979. ON JULY 27...THE 
REMAINS OF CLAUDETTE PRODUCED HEAVY RAIN AND FLOODING ACROSS 
SOUTHERN MISSOURI. FLOODING OCCURRED IN SPRINGFIELD...STE. 
GENEVIEVE...FARMINGTON...AND WAYNESVILLE. 

PERHAPS THE MOST ACTIVE TROPICAL SYSTEM TO HIT THE REGION WAS 
TROPICAL STORM CANDY IN JUNE 1968. IN MISSOURI RAINFALL OF 2 TO 5 
INCHES FELL ON THE 24-25TH ON A LINE FROM WARSAW TO COLUMBIA TO NEAR 
QUINCY ILLINOIS. THE REMAINS OF CANDY WAS ALSO RESPONSIBLE FOR 5 
TORNADOES THAT OCCURRED IN SOUTHERN MISSOURI. IN ILLINOIS CANDY 
BROUGHT RAINFALL OF 3 TO 7 INCHES ALONG A LINE FROM QUINCY TO 
KANKAKEE. 

ON SEPTEMBER 11-12...1965...THE REMAINS OF HURRICANE BETSY BROUGHT 3 
TO 6 INCHES OF RAIN IN A 24-HOUR PERIOD ACROSS EXTREME SOUTHERN 
ILLINOIS. LOCAL FLOODING WAS REPORTED THROUGHOUT THE AREA. 

IN SEPTEMBER 1961 THE REMAINS OF HURRICANE CARLA BROUGHT HEAVY RAIN 
AND FLOODING TO NORTHERN MISSOURI AND NORTHERN ILLINOIS. RAINFALL OF 
3 TO 8 INCHES FELL ACROSS NORTHERN MISSOURI FROM THE 12-14TH WITH THE 
HARDEST HIT AREA NEAR KANSAS CITY. FLOODING OCCURRED ON THE MISSOURI 
RIVER AND MOST OF ITS TRIBUTARIES ACROSS WESTERN MISSOURI. THE STORY 
WAS SIMILAR ACROSS NORTHERN ILLINOIS AS HEAVY RAIN CAUSED LOCAL 
FLOODING ON THE 13-14TH. 

$$
JPK

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