Flood Potential Outlook
Issued by NWS Grand Forks, ND

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HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE GRAND FORKS ND
345 PM CDT MON JUN 3 2013

...SHOWERS AND THUNDERSTORMS MAY AGAIN CAUSE SOME FLOODING
ISSUES...

A SLOW MOVING...STRONG EARLY JUNE STORM OVER MONTANA WILL MOVE
INTO WESTERN NORTH DAKOTA TONIGHT AND THROUGH THE AREA BY
WEDNESDAY. AN INCREASING SOUTH FLOW AT THE SURFACE WILL CAUSE LOW
LEVEL MOISTURE TO RETURN TO THE RED RIVER AND LAKES REGION. THIS
SETS THE STAGE FOR MORE SHOWERS AND THUNDERSTORMS.

THE BEST CHANCE FOR SIGNIFICANT RAINFALL...WITH AREAL WIDE
AVERAGES OF 0.75 TO 1.50 INCHES...LOOKS TO BE ALONG AND SOUTH OF A
CANDO TO GRAND FORKS TO PARK RAPIDS LINE. EXCEPT IN ISOLATED
CASES...THIS HAS BEEN THE DRIEST AREA FOR THE PAST 2 TO 3
WEEKS...AND THESE AMOUNTS WOULD PROBABLY NOT CAUSE MUCH CONCERN.
HOWEVER...THUNDERSTORMS WITHIN THIS AREA COULD PRODUCE LOCALLY
HIGHER AMOUNTS AND LEAD TO FLOODING ISSUES DEPENDING ON COVERAGE.

IT APPEARS THAT THE AREA IN NORTHEAST NORTH DAKOTA WHICH HAS HAD
FLOODING ISSUES WILL BE ON THE NORTHERN EDGE OF THE HEAVIEST
RAINFALL. AMOUNTS OF LESS THAN AN INCH SHOULD NOT CAUSE ADDITIONAL
FLOODING PROBLEMS. THERE IS FAIRLY HIGH CONFIDENCE WITH THE
EXPECTED TRACK OF THIS SYSTEM...ALTHOUGH ANY CHANGE IN THE TRACK
WILL SHIFT THE HEAVIER RAINFALL AMOUNTS.

LOOK FOR ADDITIONAL STATEMENTS AND FORECASTS ON THIS DEVELOPING
HYDROLOGICAL SITUATION.

$$
TG
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