Flood Potential Outlook
Issued by NWS Charleston, WV

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WINTER/SPRING FLOOD POTENTIAL OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON WV
252 PM EST Mon Jan 9 2017


...THE FLOOD POTENTIAL IS EXPECTED TO BE NORMAL DURING THE NEXT
TWO WEEKS...

THE FLOOD POTENTIAL FOR THE NEXT TWO WEEKS WILL BE CONSIDERED
NORMAL FOR THE STREAMS IN THE CHARLESTON HYDROLOGIC SERVICE AREA
(HSA). NORMAL FLOOD POTENTIAL MEANS OCCASIONAL FLOODING COULD OCCUR
WITH WATER LEVELS HAVING MINOR IMPACTS.

FLOOD OUTLOOKS ARE ISSUED BIWEEKLY BY THE NATIONAL WEATHER
SERVICE IN THE WINTER AND EARLY SPRING TO SUMMARIZE BASIN HYDRO
METEOROLOGICAL CONDITIONS AND TO ASSESS THE POTENTIAL FOR SPRING
FLOODING. THE OUTLOOKS ARE BASED ON CURRENT AND EXPECTED
CONDITIONS...REALIZING THAT ACTUAL CONDITIONS MAY CHANGE DURING
THE OUTLOOK PERIOD.

FACTORS TO CONSIDER WHEN ASSESSING FLOOD POTENTIAL ARE:

WATER CONTENT OF THE SNOWPACK...THE WETNESS OF THE
SOILS...WIDESPREAD HEAVY RAINFALL...HIGH STREAMFLOWS...AND
RESERVOIR LEVELS AND ICE COVERAGE ON THE RIVERS.

PRECIPITATION...
PRECIPITATION WAS 100 TO 150 PERCENT ABOVE NORMAL FOR THE PAST 30
DAYS OVER MUCH OF THE HSA.

SOIL CONDITIONS...
SOILS ARE FROZEN TO MOIST. THIS CAN CAUSE EFFICIENT RUNOFF FROM
ANY FUTURE RAIN.

SNOW COVER AND SNOW WATER EQUIVALENT...
SNOW COVER OF A TRACE TO A FEW INCHES ACROSS THE HSA. SNOW WATER
EQUIVALENTS RANGE FROM A TRACE TO 0.75 INCHES.

RESERVOIR
CAPACITY... RESERVOIR LEVELS ARE NORMAL FOR THIS TIME OF YEAR.

RIVER ICE CONDITIONS...
SOME ICE HAS FORMED ON THE HEADWATER TRIBUTARIES. NO RIVER ICE IS
PRESENT ON THE MAIN STEM RIVERS.

RIVER FLOWS...
RIVER FLOWS HAVE AVERAGED NORMAL TO SLIGHTLY ABOVE NORMAL ON ALL
RIVERS.

THE HYDROLOGIC OUTLOOK THROUGH THE NEXT TWO WEEKS...
SEVERAL SYSTEMS WILL TRACK ACROSS THE HSA BRINGING A MIX BAG OF
PRECIPITATION OF SNOW, SLEET, FREEZING RAIN AND RAIN. TEMPERATURE
SWINGS WILL BE NOTABLE.

REAL TIME RIVER INFORMATION AND FORECASTS FOR SPECIFIC LOCATIONS
ALONG RIVERS ACROSS EASTERN KENTUCKY...SOUTHEAST OHIO...BUCHANAN
AND DICKENSON COUNTIES IN SOUTHWEST VIRGINIA AND MUCH OF WEST
VIRGINIA CAN BE FOUND AT (ALL IN LOWERCASE):
WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=RLX

RAINFALL IS THE PRIMARY FACTOR LEADING TO FLOODING. HEAVY OR
EXCESSIVE RAINFALL CAN CAUSE FLOODING ANY TIME OF THE YEAR EVEN
WHERE THE FLOOD POTENTIAL IS BELOW NORMAL.



$$



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