Turkey Day May Be A Wet One For The Granite State
By Lori Wright, Media Relations
November 7, 2007
New Hampshire may get precipitation on Thanksgiving Day, but chances are it
will be rain, not snow, according to Beth Hall, New Hampshire state climatologist
Hall’s November 2007 climate forecast for the Granite State calls for
a 38 percent chance of precipitation in southern New Hampshire and 44 percent
chance in the North Country on Thanksgiving. However, the chances of that precipitation
being snow are 6 percent in the south and 11 percent in the north.
New Hampshire is forecast to have temperatures and precipitation amounts similar
to the climatological averages from past years, which mean the first flakes
of snow will likely fly during the month.
According to the Northeast Regional Climate Center (NRCC), snowfalls usually
are substantial by late November, coastal storms are frequent, and cloudiness
is at a maximum. November snowfall averages 2 to 7 inches across southern New
Hampshire near the coast, 5 to 10 inches in the central interiors of New Hampshire,
and 10 to 15 inches in the North Country.
From November to January, Hall said New Hampshire has a strong probability
of seeing above normal temperatures and less snow than in past years.
“The precipitation that does fall will either be as rain, or perhaps
freezing rain. Without the slow melt-rate of snow, this could suggest an increased
chance of flooding, especially if the ground freezes enough to discourage soil
absorption,” Hall said.
Derry holds the record high temperature for November at 82 degrees set on
Nov. 15, 2005. The coldest recorded temperature for November was at Mount Washington
on Nov. 29, 1989, when the mercury dipped to -17 degrees. And as would be expected,
Mount Washington also holds the record for the most snow in a single 24-hour
period in November – 17.9 inches on Nov. 5, 2001.
At UNH, Hall teaches courses on meteorology and climatology in addition to
specialized courses on how and why severe weather occurs. She holds a Ph.D.
in atmospheric sciences from the University of Nevada.