River Flooding Definition

Potential Tornado Outbreak Today; Atmospheric River for the Northwest

Severe thunderstorm outbreak with tornadoes, wind damage, and large hail are expected today from parts of the southern Plains, eastward into the lower Mississippi Valley and central Gulf Coast states. Several long-track strong tornadoes are expected. Furthermore, excessive rainfall potential exists with flash flooding possible. For the western US, heavy precipitation and strong winds continue. Read More >

What is River Flooding?

River Flooding can happen at any time of the year, but is most common in the late winter/early spring due to snowmelt and heavy spring rainfall. A second peak in river flooding appears in the late summer when the remnants of Tropical Storms and Hurricanes can bring heavy rain to Pennsylvania.

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