HYDROLOGIC OUTLOOK
Issue Date: 1217 PM CST TUE DEC 22 2009
Expiration: 615 PM CST TUE DEC 22 2009

...HEAVY RAINFALL POTENTIAL INCREASING OVER CENTRAL AND SOUTHEAST
ILLINOIS WEDNESDAY AND THURSDAY...
AN INTENSE STORM SYSTEM IS EXPECTED TO SLOWLY PUSH NORTHEAST FROM
THE SOUTHERN PLAINS INTO THE MID MISSISSIPPI VALLEY WEDNESDAY AND
THURSDAY BRINGING WITH IT THE THREAT FOR HEAVY RAINFALL AND FLOODING
OVER PARTS OF CENTRAL...EAST CENTRAL AND SOUTHEAST ILLINOIS. THERE
IS THE POTENTIAL FOR 2 TO 3 INCHES OF RAIN ACROSS THE AREA BY THURSDAY
EVENING...WITH LOCALIZED 4 INCH AMOUNTS POSSIBLE. LOCAL FROST DEPTH
OBSERVATIONS ACROSS CENTRAL ILLINOIS INDICATES VALUES RANGE FROM 3 TO
5 INCHES. RAINFALL OF THIS MAGNITUDE OVER THE FROZEN SURFACE WILL
PRODUCE MOSTLY RUNOFF INTO AREA RIVERS...STREAMS AND CREEKS...INCREASING
THE THREAT FOR FLOODING LATER THIS WEEK.
ALTHOUGH ALL OF THE RIVERS ACROSS CENTRAL...EAST CENTRAL AND SOUTHEAST
ILLINOIS WERE NOW BELOW FLOOD STAGE...RAINFALL AMOUNTS THAT ARE NOW
EXPECTED ACROSS THE AREA INTO LATE THURSDAY WILL CAUSE MANY OF THE
RIVERS...CREEKS AND STREAMS TO EXPERIENCE SIGNIFICANT RISES.
PEOPLE LIVING OR TRAVELING NEAR CREEKS...STREAMS...OR LOW LYING
FLOOD PRONE AREAS SHOULD CLOSELY MONITOR WEATHER CONDITIONS THIS
WEEK. FOR UPDATED RIVER INFORMATION ACROSS CENTRAL AND SOUTHEAST
ILLINOIS...PLEASE VISIT OUR AHPS WEBSITE AT THE FOLLOWING LINK...
HTTP://WWW.CRH.NOAA.GOV/AHPS2/INDEX.PHP?WFO=ILX (ALL LOWER CASE)
$$
SMITH

HAZARDOUS WEATHER OUTLOOK
Issue Date: 1139 AM CST TUE DEC 22 2009
Expiration: 600 AM CST WED DEC 23 2009

Expires:200912231200;;
FLUS43 KILX 221739
HWOILX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
1139 AM CST TUE DEC 22 2009
ILZ036-040>044-047>057-061>063-066>068-071>073-231200-
CASS-CHRISTIAN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND-DE WITT-
DOUGLAS-EDGAR-EFFINGHAM-FULTON-JASPER-LAWRENCE-LOGAN-MACON-MASON-
MENARD-MORGAN-MOULTRIE-PIATT-RICHLAND-SANGAMON-SCHUYLER-SCOTT-
SHELBY-
1139 AM CST TUE DEC 22 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS...EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS.
.DAY ONE...THIS AFTERNOON AND TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
A LARGE STORM SYSTEM OVER THE SOUTHWESTERN UNITED STATES WILL
GRADUALLY SHIFT EASTWARD...IMPACTING THE MIDWEST WEDNESDAY THROUGH
CHRISTMAS DAY. THERE IS THE POTENTIAL FOR HEAVY RAIN OVER CENTRAL
AND SOUTHEAST ILLINOIS WEDNESDAY AFTERNOON INTO THURSDAY. LOCALIZED
FLOODING WILL BE POSSIBLE...ESPECIALLY AS THE RAIN FALLS ON FROZEN
GROUND. 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.
$$