Double barrel low pressure systems brought a winter storm to Eastern Pennsylvania on the 1st. All snow fell in the Poconos. Elsewhere a combination of snow, sleet and especially freezing rain in the Philadelphia metropolitan area affected Eastern Pennsylvania. Snowfall averaged one to four inches, but ice accumulations on exposed surfaces reached as high as around one-quarter of an inch in southeastern Pennsylvania. This caused widely scattered power outages.
Precipitation started as snow and spread from the Poconos southeast between 6 a.m. and 11 a.m. EST on the 1st. The snow fell heavier at times from around Noon into the afternoon in Berks County, the Lehigh Valley and the northern Philadelphia suburbs. Precipitation changed to sleet from Philadelphia north through the Lehigh Valley from around Noon EST into the late afternoon on the 1st.  Precipitation changed to freezing rain in Philadelphia and its suburbs during the early and mid afternoon on the 1st and in Berks County and the Lehigh Valley during the late afternoon and early evening on the 1st. Precipitation ended during the middle and late evening of the 1st. Many schools had delayed openings on Monday March 2nd.

Representative ice accumulations included 0.3 inches in Chadds Ford (Delaware County), 0.25 inches in Norwood (Delaware County). 0.2 inches at the Philadelphia International Airport and Coatesville (Chester County), 0.13 inches in Exton (Chester County), 0.1 inch in Pottstown (Montgomery County) and Doylestown (Bucks County) and 0.05 inches in Reading (Berks County) and Gilbertsville (Montgomery County).
Representative snowfall included 4.0 inches in Hamburg (Berks County) and Lake Harmony (Carbon County), 3.8 inches in Spring Mount (Montgomery County), 3.7 inches in Gilbert (Monroe County), 3.5 inches in Hellertown (Northampton County), 3.3 inches in Salisbury Township (Lehigh County), 3.2 inches in Springtown (Bucks County) and the Lehigh Valley International Airport, 2.7 inches in Forks Township (Northampton County), 2.5 inches in Reading (Berks County) and East Nantmeal (Chester County), 2.4 inches in East Stroudsburg (Monroe County), 2.1 inches in Lehighton (Carbon County), 2.0 inches in Bedminster (Bucks County), 1.9 inches in Royersford (Montgomery County), 1.3 inches in Chester Springs (Chester County) and Garnet Valley (Delaware County) and 0.4 inches at the Philadelphia International Airport.
The winter storm was caused by the combination of an arctic high pressure system that left plenty of cold air in place near the surface and a low pressure system from the South that pumped precipitation into the region.  At 7 a.m. EST on the 1st, a pair of low pressure systems were in Mississippi and the western Gulf of Mexico off the Texas coast.  During the early afternoon, while the low pressure system moved into the Tennessee Valley,  a new low pressure system was forming off of the South Carolina coast.  The latter low pressure system moved rapidly northeast and was off the New Jersey coast at 7 p.m. EST on the 1st while the latter low pressure system became part of a series of lows along a cold front west of the Appalachians. The coastal low pressure system passed near Nantucket, Massachusetts around Midnight EST on the 2nd. It took most of the associated moisture and precipitation with it as the inland low pressure systems and frontal boundary weakened overnight.

Winter Weather in CARBON, PENNSYLVANIA
From 01-MAR-15 06:00:00 to 02-MAR-15 00:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Winter Weather in MONROE, PENNSYLVANIA
From 01-MAR-15 06:00:00 to 02-MAR-15 00:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Winter Weather in LEHIGH, PENNSYLVANIA
From 01-MAR-15 10:00:00 to 01-MAR-15 20:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in NORTHAMPTON, PENNSYLVANIA
From 01-MAR-15 10:00:00 to 01-MAR-15 20:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in BERKS, PENNSYLVANIA
From 01-MAR-15 08:30:00 to 01-MAR-15 23:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Winter Weather in UPPER BUCKS, PENNSYLVANIA
From 01-MAR-15 10:30:00 to 01-MAR-15 20:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Winter Storm in WESTERN CHESTER, PENNSYLVANIA
From 01-MAR-15 10:00:00 to 01-MAR-15 20:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Winter Storm in WESTERN MONTGOMERY, PENNSYLVANIA
From 01-MAR-15 10:00:00 to 01-MAR-15 20:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in LOWER BUCKS, PENNSYLVANIA
From 01-MAR-15 10:30:00 to 01-MAR-15 20:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Winter Storm in EASTERN MONTGOMERY, PENNSYLVANIA
From 01-MAR-15 10:30:00 to 01-MAR-15 20:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Winter Storm in EASTERN CHESTER, PENNSYLVANIA
From 01-MAR-15 10:30:00 to 01-MAR-15 20:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Winter Storm in DELAWARE, PENNSYLVANIA
From 01-MAR-15 10:30:00 to 01-MAR-15 21:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Winter Storm in PHILADELPHIA, PENNSYLVANIA
From 01-MAR-15 10:30:00 to 01-MAR-15 21:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet