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Late Season Heavy Snow Following Early Season Snow Drought


RodneyS

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During the winter of 1913-14, no measurable snow fell in Washington, DC until February 13, 1914. Then a Valentine's Eve/Valentine's Day storm dropped 4.5 inches of snow. That seemed to open the snow gates, as after that snow fell on an additional nine days through March 22, 1914, resulting in 28.6 inches of total snow for the season, of which a record 19.3 inches fell in March.

Forty-six years later, during the winter of 1959-60, once again no measurable snow fell in DC until February 13, and once again a Valentine's Eve/Valentine's Day storm dropped significant snow -- this time, 6.2 inches. And once again, that seemed to open the snow gates, as after that snow fell on an additional seven days through March 16, 1960, resulting in 24.3 inches of total snow for the season, of which 17.1 inches fell in March -- the second most ever.

Somewhat analogous to the thread I just started about highly varying precipitation on two nearby August days in DC, I wonder if the above was just a weird coincidence, or whether the early season snow drought somehow led to the heavy late season snow -- beginning on the very same day. Thoughts?

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BWI got 21.6" in March 1960, and 34.1" total for the season, very similar to Richmond's totals.

More incredibly, its average temperature was 33.4 that month, a full 10 degrees colder than the normal March average, and colder than all three winter months that season by about 3-6 degrees. It was the coldest March on record, while the next coldest March was 37.0.

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BWI got 21.6" in March 1960, and 34.1" total for the season, very similar to Richmond's totals.

More incredibly, its average temperature was 33.4 that month, a full 10 degrees colder than the normal March average, and colder than all three winter months that season by about 3-6 degrees. It was the coldest March on record, while the next coldest March was 37.0.

For Richmond, March 1960 is the coldest and snowiest March on record. The average monthly temperature finished at 35.9°F. The month started off with a major snowstorm March 2-3 followed by really cold temperatures. Despite the high sun angle, snow remained on the ground (1.0" or more) for 15 consecutive days. There were a couple decent snowstorms every few days helping to retain the snowcover. March 1960 did featured the coldest March temperature of 11°F, but the record was broken in March 2009.

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Roanoke had their snowiest season on record with 62.7" during the winter of 1959-60 with 30.3" falling during March alone.

57.9" of Snow fell between February 13-March 21,1960.

1959-60 is tied for second greatest seasonal snowfall total on record in Lynchburg with 45.2" of which 24.9" fell during March.

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