Friday, April 20, 2012

Weekend Early Week Storm System

Winter

It would appear as if all models are in relative agreement as of the 00z runs with a frontal system coming thru but slowing up and a wave of low pressure riding up along the eastern Seaboard bringing with it heavy rains and gusty winds of which could gust as high as 60 mph.

This will all get underway Saturday with the cold front advancing slowly towards the east.

It appears as though something that has not happened all winter long will happen with this storm and that is we will have the northern stream energy phase up with the southern stream energy to produce a Late Season Nor'easter…

Heavy..Flash flooding rains will be the issue along with gusty winds which could bring or cause power outages in the locations that have them.

As we said all guidance agrees on this..

00zeuro850mbTSLPUS072

00zgfs850mbTSLPNA072

00zggem850mbTSLPUS072

00znam850mbTSLPUS072

00zukmet850mbTSLPUS072

00zecmwfens850mbTSLPUS072

00zecmwfens850mbTSLPUS096

Even the ECM ensembles which are the last two images agree on this scenario..though the low is not as far west inland as the operational was.

Now we did not show it on the map above but keep in mind that there is a decent chance for rain to change over to snow in Western Pa.

Stay tuned for more information later this evening on this developing storm system!

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