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Flash Flooding occurred on the afternoon of July 9th in portions of Northeastern Aroostook County.
A warm humid air mass over the northeastern United State was responsible for generating
slow moving thunderstorms with a very high precipitation efficiency. Many locations across northeastern
Maine experienced downpours on both Thursday and Friday.
One area especially hard hit on both days was Aroostook County from Eagle Lake to Van Buren. On Thursday, heavy
downpours in this area saturated the ground and small streams began to swell. Yet another batch of
heavy precipitation moved in on Friday. The capacity of these smaller streams was not enough to handle the nearly
5 to 6 inches of rainfall that was estimated to have fallen over the two day period.
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