Friday, December 18, 2009

RWS Issuing A Winter Storm Warning for Dec 19-20

R.W.S  is issuing a Winter Storm Warning for all of SE PA into East Central PA into NW NJ...as well as NE PA. A Winter Storm Warning is issued when a Winter Storm is expected to effect the area within the next 24 hours. 

Low pressure currently over the the Gulf Of Mexico, just south of Louisianna will continue to track off to the NE and end up along the coast of Cape Hatteras. This low pressure, once hitting the gulf stream will deepen and slowly move up the coast. Snow will spread into the region from south to north sometime after midnight. The snow will be heavy at times saturday and saturday night! 

This storm has the potential to deliver a very heavy snowfall across the region. Significant accumulations are expected. 

Current observations show this area of low pressure stronger then modeled and also the precipitation shield further north as well. 

R.W.S will issue a final map early this afternoon after the next model runs come in. Please make plans accordingly. 

This statement was issued at 5:15 AM

2 comments:

  1. I live in Bethlehem and I was wondering what time the snow's likely to start. I'm hoping it will hold off till later tomorrow because we're supposed to meet someone whose flight doesn't land at Newark till 11:30 p.m. Thanks. Your web site is great, by the way.

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  2. The snow should start late tonight after midnight towards morning Josh

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