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Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

Weather History Archive

On This Day In

                   Weather History

December 7th

Local and Regional Events:

December 7, 1963:

Winds of 50 to 60 mph resulted in blowing snow all day on the 7th, which reduced visibilities to near zero and produced snow drifts several feet deep in many areas. Snowfall in eastern South Dakota was generally from 3 to 7 inches with 1 to 2 inches in the western part of the state. Storm total snowfall included 8 inches at Sisseton, 5 inches at Watertown and Wheaton, 4 inches at Aberdeen, and 2 inches at Mobridge.

 

December 7, 1971:

Heavy snow of 7 to 12 inches fell in north-central South Dakota on the 7th. Timber Lake and Eagle Butte each reported 12 inches of snow. Strong winds accompanied the snow and caused extensive drifting. Drifts up to 15 feet were reported in sheltered areas near Lemmon. Seven inches fell at Mobridge, and 11 inches fell at Selby. McIntosh received 4 inches.

U.S.A and Global Events for December 7th:

December 7, 1740:

By all accounts, the Merrimack River in New Hampshire flooded on this day. The flood is likely the first recorded in New Hampshire. "The snow melted, and a freshet occurred in the Merrimack River, nothing like it having been experienced there for seventy years. At Haverhill, the stream rose fifteen feet, and many houses were floated off." (Perley, Sidney, 1891, Historic storms of New England p. 49-51).

 

December 7, 2006:

A rare tornado tore through Kensal Rise in London. This T4 on the TORRO scale, equivalent to an F2 on the Fujita scale, injured six people and damaged 150 homes. According to the BBC, the last tornado which caused significant damage in London was in December 1954, in West London.

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