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Wilmington, Ohio

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A Snowy Start to February for the Ohio Valley
Winter Storms on February 5-6 and 9-10

A series of winter storms impacted much of the Ohio Valley and the Mid Atlantic in early February. The first of these storms struck on February 5 and 6, as a complex low pressure system moved from the Gulf coast to the mid-Atlantic region. While the primary area of low pressure impacted the Washington DC area, a secondary area of low pressure and upper level trough brought significant snow accumulations to portions of the Ohio Valley. The heaviest snows impacted areas near and north of the Interstate 70 corridor, where totals in the 12-14 inch range were relatively common. Further south, snow mixed with rain at times during the day on Friday, leading to lower final accumulations of snowfall. Locations in the Cincinnati metropolitan area received 4-8 inches of snow, with 2-4 inches of snow along and south of the Ohio River.

On February 9, another area of low pressure tracked up the I-71 corridor from near Louisville to Cleveland. While such low tracks usually produce rain across the Ohio Valley, plenty of cold air remained behind the previous storm system, allowing for most of the precipitation to fall as snow. Snowfall across most of the area ranged between 4 and 7 inches with this system. Snowfall amounts were slightly less across southern and central Ohio and northern Kentucky, where rain and sleet mixed in at times.

The combination of the two snowstorms dropped anywhere from 10 to 22 inches of snow on the area. However, the combination of rain mixing in, melting during the day, and compaction of snowfall caused actual snow depths on the ground to be less than the total snowfall between the two storms. Official totals for the 2 storms include 14.6 inches at Cincinnati, 15.5 inches at Columbus, 16.1 inches at Dayton and 16.3 inches at the NWS office in Wilmington. These snowfall totals have pushed all 3 major cities into their 10 snowiest Februaries on record, with two-thirds of the month still to go!

Unofficial Snowfall Maps:
February 5-6, 2010

List of Snowfall Totals
February 9-10, 2010

List of Snowfall Totals

Snow Depth as of 02/10/2010:

Event Photos:
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National Weather Service
Wilmington Ohio Weather Forecast Office
1901 South State Route 134
Wilmington, OH 45177
Tel: (937) 383-0031
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Page last modified: May 24, 2010.
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