A fast-evolving cyclone will sweep northward from Florida to New England in a mere 24 hours late
this weekend
https://www.wunderground.com/cat6/new-england-may-get-record-setting-october-storm-help-93l
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It’s too soon to know just how this situation will unfold, especially given the very rapid and complex development we can expect. Here are two potential impacts that will bear close watching:
Torrential rains and possible flooding. Regardless of the status of 93L, the very strong southerly winds accompanying Sunday’s trough will pull vast amounts of moisture northward along a narrow corridor that may bear the hallmarks of an atmospheric river. The rich corridor of moisture, and the very strong vertical motions associated with the upper trough, will favor a south-to-north zone of extremely heavy rainfall from late Sunday into early Monday. The exact placement of this south-to-north zone will be crucial, since rains could be much less heavy on either side. Current model tends suggest the most likely location will be somewhere between extreme eastern New York and western Maine. Within this corridor, rainfall amounts of 2 – 6” could be widespread, with local amounts of 8” or more possible, especially along south-facing slopes and gorges. Significant flash flooding appears quite possible.
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Keep us posted 
