Flood Potential Outlook
Issued by NWS St. Louis, MO

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HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
411 AM CST THU DEC 24 2015

...HEAVY RAINFALL AND FLOODING POSSIBLE THIS HOLIDAY WEEKEND AND
INTO EARLY NEXT WEEK...

AN ACTIVE WEATHER PATTERN WILL BRING A PROLONGED PERIOD OF RAIN
TO THE REGION BEGINNING CHRISTMAS NIGHT...CONTINUING THROUGHOUT
THE WEEKEND...AND INTO EARLY NEXT WEEK. THE LATEST FORECAST
INFORMATION SUGGESTS THE AXIS OF THE HEAVIEST RAIN WILL BE
FOCUSED ACROSS SOUTHERN MISSOURI AND SOUTHERN ILLINOIS. THREE TO
SIX INCHES OF RAIN IS LOOKING MORE AND MORE LIKELY OVER THIS
AREA...WITH LOCALLY HIGHER AMOUNTS EXPECTED.

THE SOIL MOISTURE ACROSS THE REGION IS CURRENTLY RUNNING 1 TO 2
INCHES ABOVE NORMAL AND LOCAL RIVERS AND CREEKS ARE AT OR ABOVE
NORMAL STAGE AND FLOW FOR THIS TIME OF YEAR. IN ADDITION...THE
LACK OF VEGETATION IN THE DORMANT WINTER SEASON INCREASES THE
POTENTIAL FOR RUNOFF FROM EXCESSIVE RAINFALL. THESE ANTECEDENT
CONDITIONS...COMBINED WITH THE POTENTIAL OF VERY HIGH RAINFALL
TOTALS...COULD LEAD TO ADDITIONAL RIVER FLOODING...AND/OR A
WORSENING OF THE ONGOING FLOODING ALONG THE MISSISSIPPI AND
ILLINOIS RIVERS.

THOSE WITH INTERESTS ALONG AREA RIVERS SHOULD STAY TUNED TO THE
LATEST WEATHER AND RIVER FORECASTS FROM THE NATIONAL WEATHER
SERVICE IN ST. LOUIS.

$$

BYRD



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