Monday, March 29, 2010

March 29th Rainfall Potential Update

Front appears to be stationary just inland along the coast. This should act as a storm track for this coastal low to follow. All models that i have looked at from 12 Z today , whether it be the NAM/GFS/ECM essentially move this low up along the coast and then have it retrograde towards the coast...
What this essentially means is that the moisture during the day today should continue to ride up along the coast in the locations that have been receiving it. Later tonight and overnight as the low pressure begins to retrograde the precipitation shield should begin to pivot to the WNW and rain should start to fall once again in places like KPHL into east central PA ...
Amounts look to be in the 1-2 inch range once the rain starts back up in the KPHL area and 3 inches + still looks possible in NNJ and NYC and LI.

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