NOAA: Risk of Major Flooding Low This Spring

March 15, 2012 10:27 AM
 

For the first time in four years, no area of the country faces a high risk of major to record spring flooding, largely due to the limited winter snowfall, according to NOAA’s annual Spring Outlook, which forecasts the potential for flooding from April to June. 

"We’re not forecasting a repeat of recent historic and prolonged flooding in the central and northern U.S., and that is a relief," said Laura Furgione, deputy director, NOAA’s National Weather Service. "The severity of any flooding this year will be driven by rainfall more so than the melting of the current snowpack."

The Ohio River basin including portions of Illinois, Indiana, and Kentucky, along with parts of Louisiana and Mississippi are the only areas with an above-normal risk of flooding as soil moisture and river levels are currently above normal. Additionally, odds favor above-average April rainfall for the Ohio River basin.

Sping flood Rick 2012 3bflt 300

River and stream water levels are normal to below-normal for most of the country and there is less snow pack than in previous year, says NOAA. As a result, there is a normal flood risk from the Northeast, through the mid-Atlantic, across most of the northern Plains and into the Northwest. However, heavy spring rainfall can lead to flooding at any time, even in areas where overall risk is considered at or even below normal.


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