Sally likely to bring Metro Atlanta heavy rain

Flash Flooding and Creek\River Flooding possible Thursday into Friday

Sally moving at JUST 2 mph. That spells good news for lowering intensity bad news for rain amounts and surge near the coast.

While rain is likely the next couple days across the ATLANTA Metro area and much of the state, it is too soon to nail down the exact amounts or location of where the heaviest will fall.

As of now I expect rain related to Sally to increase on Wednesday especially at night with flooding possible Thursday into Friday. Just as expected the National Weather Service issued a FLASH FLOOD WATCH for much of Georgia which runs into Friday morning.

I am NOT worried about a tornado in Metro Atlanta but it can’t be ruled out in Central or South Georgia where the center of Sally is expected to track.

As of now forecasting THREE DAY rain amounts of 2-4 inches on average but with isolated totals over 7 inches possible.

There could be some power outages as the tree root zone becomes saturated and winds gust 15-25 mph. That is not unusually high wind but the soggy soils make it easier for a tree to fall, but NOT expecting that to be widespread.

If the rainfall forecast does not change for the better then expect flooding in parts of ATLANTA for SOME of the usual suspect creeks and streams in the area, AND possible flooding of low-lying areas that are not even near creeks or where storm drains are clogged.

Not everyone will experience flooding.

FLASH FLOOD WATCH IN GREEN NWS ATLANTA:

As I’ve been Tweeting and blogging about since Saturday, following the tropical moisture it turns much less humid over the coming weekend with lows in the 50s for a taste of Autumn Saturday through next Wednesday.

KEY POINTS ON SALLY:


HURRICANE EXPERT ANALYSIS NHC:

For daily updates Follow me on Twitter @MellishMeterWSB.

Kirk Mellish

Meteorologist

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