Just a quick early morning/late night (depending upon where you are) post. Wanted to show a you a couple of graphic maps showing what kinda rainfall we’re talking up the East Coast over the next 48 hours. The setup as you’ll know if you read my previous post is one of a wild amplified pattern not only continent wide but hemisphere wide too. We’re seeing vast amounts of heat get pushed all the way to the arctic but in turn, with this forcing a split in the polar vortex and a strong trough to the east, there is modified arctic air spilling south. With the trough axis back west enough (centred over the Ohio Valley), this allows a corridor of northbound heat and humidity with a lot of tropical moisture to get shoved north with a developing Gulf of Mexico low.
Tuesday sees this low track up the coastal plain and so, those big rains we saw from Southeast Texas to Tennessee will spread north with the low. From Georgia to Pennsylvania (more towards the mountains), expect a real soaking during Tuesday, especially when we get a little daytime heating going and the southwest flow gets going. Major cities from Charlotte to Raliegh to Richmond, DC, Philadelphia, NYC, expect a big threat from strong, gusty perhaps localised damaging winds from T-storm which develop Tuesday PM. Though there could be 1-2 inch rains, the biggest rains will be back further west.
Expect by Wednesday, those big 2-4 inch rains to push up into New England.
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