Winter Storm Watch - National Weather Service Philadelphia/Mt. Holly The Winter Storm Watch for Wednesday has been extended further south and east, and now includes all of southeastern Pennsylvania and the northern half of New Jersey. Please see map on following slides. Impacts: Wet, heavy snow in the north. Heavy rain in the south. Gusty winds everywhere. Land and air travel will be negatively impacted Wednesday and Wednesday night just before a major holiday. Some power outages are possible with the combination of gusty winds and snow hanging on wires and tree limbs. Details are as follows: Low pressure is forecast to develop over the eastern Gulf of Mexico on Tuesday night. The low is expected to intensify as it tracks north northeastward along the East Coast. The center of the low is anticipated to pass just east of Delaware and New Jersey late Wednesday before reaching New England and its coastal waters late Wednesday night. Precipitation is forecast to overspread our region from the south on Wednesday morning. Precipitation is expected to be mainly rain during the daylight hours on Wednesday from the Interstate 95 corridor southeastward and mainly snow at locations well to the northwest, including parts of Berks County, the Lehigh Valley, the Poconos and northwestern New Jersey. The rain-snow line is anticipated to move southeastward on Wednesday night with the rain changing to snow along the Interstate 95 corridor. The precipitation is forecast to end early Thanksgiving morning. Snowfall amounts of 4 to 8 inches are possible to the northwest of the Interstate 95 corridor from Wednesday into Wednesday night, with 8 to 10 inches possible in the higher elevations of the southern Poconos and northern New Jersey. Precipitation from this event, both rain and snow, will negatively impact the busy holiday travel period from Wednesday into Wednesday night. Because of the high volume of holiday traffic, travel plans completed before 10 AM Wednesday morning would avoid most of the trouble from this event, particularly north and west of the I-95 corridor. Expect airline delays. Northerly winds are forecast to increase to 10 to 20 mph on Wednesday with gusts to 25 or 30 mph possible. The wind is expected to become northwest Wednesday night. Gale force wind gusts are possible on the coastal waters of New Jersey and Delaware from Wednesday into Wednesday night. Given the speed of this storm and timing of the lunar cycle, tidal flooding is NOT expected to be a major problem during this event, but spotty minor flooding is possible at the times of high tide on Wednesday. Another briefing package for this event will be issued around 330 PM on Tuesdaybarring any significant changes. Please monitor our website at weather.gov/PHI for the latest updates and changes.
Posted on: Mon, 24 Nov 2014 21:31:43 +0000
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