Valentine's Day Snowstorm
February 2007

Classified as a Category 3 "MAJOR" Winter Storm

Low pressure formed over the deep south early on Monday, February 12th. This system headed eastward into the southeastern United States on Tuesday, February 13th and redeveloped along the mid atlantic coast by Wednesday morning, Valentine's Day. The low rapidly intensified as it passed just south of Long Island during the day Valentine's Day. The low headed northeast along the coastline Wednesday night.

The area was pummeled with 1 to over 3 feet of snowfall. Intense mesoscale snow bands developed resulting in snowfall rates of 2 to 4 inches in an hour with localized amounts of 6 inches an hour occurring. Refer to radar images below. Warmer air moved in aloft at 6000 to 8000 feet resulting in sleet mixing in with the snow at Albany and to the south. Once the storm moved to our east Wednesday afternoon cold air was rapidly drawn back into the area. Refer to the soundings below. Snowfall Accumulation Map

Radar Images from February 14th:

Radar image from Albany at 1650Z February 14, 2007
Albany NY
1650Z = 1150 am
Radar image from Albany at 1701Z February 14, 2007
Albany NY
1701Z = 1201 pm
Radar image from Binghamton at 1706Z February 14, 2007
Binghamton NY
1706Z = 1206 pm
Radar image from Albany at 1730Z February 14, 2007
Albany NY
1730Z = 1230 pm
Radar image from Albany at 1926Z February 14, 2007
Albany NY
1926Z = 226 pm
Radar image from Albany at 2100Z February 14, 2007
Albany NY
21Z = 4 pm

Soundings from Albany NY:

KALB Sounding 00Z February 14, 2007
00Z Feb 14
(7 pm Feb 13)
KALB Sounding 06Z February 14, 2007
06Z Feb 14
(1 am)
KALB Sounding 12Z February 14, 2007
12Z Feb 14
(7 am)
KALB Sounding 18Z February 14, 2007
18Z Feb 14
(1 pm)
KALB Sounding 00Z February 15, 2007
00Z Feb 15
(7 pm Feb 14)
KALB Sounding 12Z February 15, 2007
12Z Feb 15
(7 am)

Soundings from Upton NY - Long Island:

KOKX Sounding 00Z February 14, 2007
00Z Feb 14
(7 pm Feb 13)
KOKX Sounding 06Z February 14, 2007
06Z Feb 14
(1 am)
KOKX Sounding 12Z February 14, 2007
12Z Feb 14
(7 am)
KOKX Sounding 18Z February 14, 2007
18Z Feb 14
(1 pm)
KOKX Sounding 00Z February 15, 2007
00Z Feb 15
(7 pm Feb 14)
KOKX Sounding 12Z February 15, 2007
12Z Feb 15
(7 am)

00Z Feb 13 2007: Surface --- 850 mb --- 500 mb --- 250 mb
12Z Feb 13 2007: Surface --- 850 mb --- 500 mb --- 250 mb
00Z Feb 14 2007: Surface --- 850 mb --- 500 mb --- 250 mb
12Z Feb 14 2007: Surface --- 850 mb --- 500 mb --- 250 mb
00Z Feb 15 2007: Surface --- 850 mb --- 500 mb --- 250 mb
12Z Feb 15 2007: Surface --- 850 mb --- 500 mb --- 250 mb