Monday, February 21, 2011

Winter Storm Update



Snow is falling across portions of Southern New Jersey and Western New Jersey and we are already starting to see our first signs of narrow banding. The banding appears to be running somewhat north of the afternoon model guidance and will shift northward for a few hours, before it stops and eventually begins to move back to the south or hold. The 00z NAM guidance does seem to indicate that northward shift. The gradient with this banding is going to be quite narrow in some cases, although all areas south of Interstate 195 appear to be getting measurable snowfall.

The banding could have one to three inch per hour snowfall rates and even some rumbles of thunder. Meanwhile, temperatures have dropped into the upper twenties and lower thirties in every location where precipitation is expected. While there still could be some sleet in Cape May County, it is looking more and more like it will be snow for everyone as Wildwood is down to 32 degrees and temperatures will only hold their ground or drop as a northerly flow pulls in even colder air. Initially, this will be a wet snow with borderline temperatures and it will end with drier snow. The wet snow could cause some power outages where it is around 32 degrees as it snows.

South of 195:

A general two to four inch snowfall is expected, but there will be this band of 3 to 6 inches of snow. Localized eight inch amounts cannot be ruled out.

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