Weather

County,
Hydrologic Outlook issued February 19 at 4:50AM CST by NWS
Effective: 4:50 a.m. on Wednesday, Feb. 19, 2014
Expires: 5 p.m. on Wednesday, Feb. 19, 2014

...SMALL STREAM FLOOD POTENTIAL LATE TONIGHT AND THURSDAY...
THUNDERSTORMS ARE EXPECTED TO DEVELOP TONIGHT AND CONTINUE INTO
THURSDAY AS A POWERFUL STORM SYSTEM MOVES THROUGH OUR REGION.
RAINFALL AMOUNTS ARE EXPECTED TO RANGE FROM ONE-HALF OF AN INCH TO
ONE INCH AND A HALF ACROSS NORTHEAST...CENTRAL...AND PARTS OF
EAST-CENTRAL MISSOURI...AND WEST-CENTRAL AND PARTS OF SOUTHWEST
ILLINOIS.
THIS POTENTIAL RAINFALL MUST BE CONSIDERED WITH RECENTLY MELTED
SNOW OR SNOW THAT HAS YET TO MELT. THE SNOWPACK MELTED ON TUESDAY
IN CENTRAL AND EAST-CENTRAL MISSOURI AND PARTS OF SOUTHWEST
ILLINOIS...RELEASING CLOSE TO AN INCH OF RAINFALL INTO THE GROUND
OR AS RUNOFF INTO NEARBY RIVERS AND STREAMS. THE SNOWPACK THAT
STILL EXISTS IN NORTHEAST MISSOURI AND WEST-CENTRAL AND PARTS OF
SOUTHWEST ILLINOIS STILL CONTAINS ABOUT AN INCH TO AN INCH AND A
HALF OF WATER...WITH A SERIES OF MILD DAYS AHEAD TO CONTINUE TO
RELEASE THIS WATER INTO THE GROUND.
IN ADDITION...FROZEN GROUND UNDERNEATH THE SNOWPACK WILL FURTHER
ELEVATE THE FLOOD POTENTIAL AS MORE RAIN FROM TONIGHT AND
THURSDAY GOES AS RUNOFF DIRECTLY INTO RIVERS AND STREAMS.
ICE ON AREA RIVERS...ESPECIALLY IN NORTHEAST MISSOURI AND WEST-
CENTRAL ILLINOIS...MAY ALSO CREATE ICE JAM SITUATIONS AND
LOCALIZED FLOODING IF RIVER RISES OCCUR FAIRLY RAPIDLY.
PERSONS LIVING ALONG RIVERS AND IN FLOOD PRONE AREAS SHOULD
TAKE PRECAUTIONARY MEASURES TO PREPARE FOR THE POSSIBILITY OF
RIVER FLOODING IN THE COMING DAYS AND CONTINUE TO CLOSELY MONITOR
THIS DEVELOPING SITUATION.
FOR DETAILED RIVER FORECAST AND FLOOD INFORMATION GO TO
WEATHER.GOV/STLOUIS AND CLICK ON THE RIVERS AND LAKES LINK.

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