The most powerful storm to affect Eastern Pennsylvania since the Blizzard of 1996 struck during the President's Day Weekend.
The low pressure system which helped cause the heavy snow formed to the lee of the southern Rockies on the 14th. It moved
to southern Missouri by the morning of the 15th, the lower Tennessee Valley the morning of the 16th. Reformed off the Virginia
coast the morning of the 17th and was southeast of Cape Cod on the 18th
Snow began falling around daybreak on Sunday the 16th in and around Philadelphia and then spread slowly north.
It reached Reading around 9 a.m. EST, the Lehigh Valley during the early afternoon and the Poconos toward sunset.
(3PM EST 16 February 2003)
The heaviest snow fell in Philadelphia and its suburbs during the day into the early evening of the 16th.
(7PM EST 16 February 2003)
The snow mixed with sleet in Philadelphia and Delaware Counties from the evening of the 16th through the morning of the
(4AM EST 17 February 2003)
The heaviest snow in Berks County and the Lehigh Valley fell during the first half of the day on the 17th and in the
Poconos it fell from the morning into the early afternoon of the 17th.
(10AM EST 17 February 2003)
Precipitation ended as snow in all areas during the afternoon of the 17th.
(5PM EST 17 February 2003)
Specific accumulations included 26.0 inches in Saylorsburg (Monroe County), 25.5 inches in Williams Township (Northampton
County), 24.5 inches in Byberry (Philadelphia County), 24.1 inches in East Stroudsburg (Monroe County), 24.0 inches in Hamburg
(Berks County), Worcester Township (Montgomery County), 22.5 inches in Wynnewood (Montgomery County), 22.5 inches in Vinemont
(Berks County), 22.0 inches in Easton, (Northampton County), Reading (Berks County) and Allentown (Lehigh County), 21.5 inches
in Thorndale (Chester County), 21.0 inches in Manayunk (Philadelphia County), Downingtown (Chester County) and Collingdale
(Delaware County), 20.0 inches at the Lehigh Valley International Airport, in Haverford (Delaware County), Morgantown (Berks
County), Albrightsville and Lehighton (Carbon County) and Chalfont (Bucks County), 19.0 inches in Perkasie (Bucks County),
18.7 inches at the Philadelphia International Airport, 18.0 inches in Pottstown (Montgomery County), 17.0 inches in Exton
(Chester County) and Crum Creek (Delaware County) and 16.3 inches in Bensalem (Bucks County).