Heavy Rains & Significant Snows
April 15-16, 2007

This intense and powerful storm brought flooding rains and a heavy wet snowfall to the region. Rainfall amounts of 6 to 8 inches were reported across the eastern Catskills, mid Hudson Valley and western New England resulting in widespread flooding. Snowfall accumulations of 1 to 1 1/2 feet were reported across the southern Adirondacks, eastern Catskills, Berkshires and southern Green Mountains with resulting power outages.

Preliminary Precipitation Map & Snowfall Map

Synopsis:

Low pressure system developed over the deep south by Friday morning, April 13th. The low pressure system then track eastward across the southeastern United States early in the weekend. By Sunday morning, the low center was over the Carolina and precipitation had spread northward across the local area. The storm rapidly intensified as it headed northeast into the mid Atlantic Region Sunday, April 15th. The storm was a its deepest around sunrise Monday, April 17th, with a surface pressure of 28.61 inches (969 millibars) over Nassau County (Long Island) New York. The low moved little throughout the day Monday and finally began to drift southeastward Monday night.

Note: At 8:44 am Monday, April 16th, the barometric pressure at the Albany International Airport bottomed out at 28.84 inches of mercury. This value set a new lowest pressure reading for the month of April in Albany NY. The old record was 28.87 inches set back in 1975.

Surface Plots:

06Z April 16, 2007 Surface Plot
06Z April 16
(2 am)
11Z April 16, 2007 Surface Plot
11Z April 16
(7 am)
16Z April 16, 2007 Surface Plot
16Z April 16
(Noon)
22Z April 16, 2007 Surface Plot
22Z April 16
(6 pm)
04Z April 17, 2007 Surface Plot
04Z April 17
(Midnight)

00Z April 15 2007: Surface --- 850 mb --- 500 mb --- 250 mb
12Z April 15 2007: Surface --- 850 mb --- 500 mb --- 250 mb
00Z April 16 2007: Surface --- 850 mb --- 500 mb --- 250 mb
12Z April 16 2007: Surface --- 850 mb --- 500 mb --- 250 mb
00Z April 17 2007: Surface --- 850 mb --- 500 mb --- 250 mb
12Z April 17 2007: Surface --- 850 mb --- 500 mb --- 250 mb

Rainfall & Snowfall Reports & Local Storm Reports

Estimated Event Precipitation Totals

Analysis from the Northeast River Forecast Center
Precipitation: 24-hour ending at 8 am 4/16 & 24-hour ending at 8 am 4/17
Snowfall: 24-hour ending at 8 am 4/16