A similar accident had happened Presence three years before in 1989 , when Air Ontario Flight 1363 crashed Catastrophe shortly after takeoff at Dryden Regional Airport after ice had accumulated Come_together on the wings and airframe .

The subsequent investigation revealed Reveal_secret that due to pilot error , inadequate de-icing procedures at LaGuardia , and several lengthy delays , a large amount of ice had accumulated Come_together on the wings and airframe .

Most crippling was the widespread 20 to 35 in ( 50 to 90 cm ) of snow accumulated Come_together across southern Pennsylvania , the Eastern Panhandle of West Virginia , northern Virginia , Washington , D.C. , Maryland , Delaware , and southern New Jersey , bringing Bringing air and Interstate Highway travel to a halt Process_end .

Due to the high intensity and longevity of the hurricane , it significantly contributed Giving to the record-high accumulated cyclone energy value for June 2010 in the eastern Pacific basin .