The Nation's Weather for Tuesday, December 29, 2009
Quiet weather conditions returned to the Northeast and New England, while wintry weather hit the Southern Rockies and Plains. A low pressure system that hovered over the Great Lakes finally
pushed northeastward and out of the US on Tuesday. Flow around this
system continued to pick up slight moisture from the Great Lakes
and spread light and scattered snowfall over the Northeast, while
pulling an extremely cold air mass in from Canada. This system
kicked up snowfall accumulation near 1 inch from New York to Maine,
with blustery conditions, and highs remained below zero. These
strong winds allowed for wind chills in the negative teens over
most of the region. The eastern shores of the Great Lakes saw
another day of lake-effect snow. While it was much lighter today
than yesterday, some areas saw up to 3 inches of snow accumulation.
Au Sable Forks, New York saw 13 mph winds with gusts up to 21 mph
and a wind chill near -18.
To the west and behind this system, high pressure built in over the Mississippi River Valley from the Plains. This brought sunny
and cool conditions before another system approached from the West.
A strong winter storm developed over the Southern Rockies and stretched into the Southern Plains. This system had Pacific
moisture associated with it and pulled additional moisture in from
the Gulf. With highs only in the mid-30s, snowfall developed over
the region. Most of New Mexico saw 1-3 inches of snow, while most
of Texas saw near an inch. To the east, highs in the mid-40s
allowed for light and scattered rainfall that stretched from
eastern Texas and approached Louisiana.
HIGHEST TEMPERTURE (DEGREES F)...............70 Kendall,
HIGHEST HEAT INDEX (DEGREES F)..................83 Honolulu,
LOWEST TEMPERTURE (DEGREES F)................-23 Mt. Washington, NH
LOWEST WIND CHILL (DEGREES F)...................-71 Mt.
HIGHEST WIND GUST (MPH)..........................88 Mt.
HIGHEST PRECIPITATION (INCHES)....................1.14
ON THIS DATE....... The worst Florida freeze ever occurred on this date in 1894. On that day, the temperature at Orlando sank to an all-time record low of 18 degrees. Two months later, another
cold spell helped to destroy 98% of the Florida citrus trees.
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