Nice today but we deal with Isaias tomorrow!

 Hurricane Isaias made landfall into the U.S. Gulf Coast as a dangerous Category 2 storm on Friday, at 9:30 PM EDT near Destin, Florida (around 48 miles east of Pensacola). With maximum sustained winds of 105 mph, just below major hurricane status.

Isaias was the strongest hurricane to hit this part of Florida/Alabamia since September 2020. Sally made a landfall in Gulf Shores, AL at 5am on Wednesday, September 16th as a strong Category 2 hurricane with maximum sustained winds of 105 mph. Isaias is also the first hurricane to strike the U.S. in two years.

He degenerated very quickly once moving inland and became a post-tropical cyclone with 35 mph winds

what’s left of the storm is bringing driving rain through the midsouth and southeast. The storm will keep pushing north over the next 36 hours.

For today 

Surface/radar/satellite chart

Severe thunderstorms and isolated tornadoes remain possible in Georgia, the eastern Florida Panhandle, and the Carolinas through tonight. Today South Carolina into East Georgia is under a Slight Risk. For our region, today will be very pleasant, dry but cool day. Skies will be sunnier the farther north you go.

Sunday

The SPC brings the risk for severe thunderstorms and perhaps a few tornadoes into Northern Georga and the Carolinas tomorrow.  There is a chance for very isolated thunderstorms across southern New York State and southern New England and points south. 

Isaias's remnants will still bring rain and breezy conditions into the region for Sunday

 Wind

Across southwest Pennsylvania wind gust of 30-40 mph with gust upwards of 55 mph across the higher terrain.  Southeast Pennsylvania, Maryland Delaware, New Jersey, into New York City and Long Island Sunday look to see gust upwards of 30-40 mph. The rest of Pennsylvania and much of New York State into southern and central New England look to see wind gust of 10-30 mph. Farther north gusty winds of 5-20 mph will be possible

 

Rainfall

I went over rainfall in yesterday’s post. But generally, rainfall across southern Pennsylvania, Maryland, Delaware, New Jersey, up into New York City and Long Island along with far southern New England including the offshore Islands 1-2 inches of rain is likely Sunday into Monday morning.  North of there up through central New York State and Central New England rainfall amounts of 0.50 to 1.00 inches. Northern New York State and northern New England .0.25 to 0.50 inches look likely.  

In all of these areas there could be locally higher amounts. Those that see the higher rain amounts could see some minor urban and poor drainage flooding.

General timing has a chance for rain showers working into Southwest Pennsylvania this evening, with rain working north from there tonight and Sunday. Rain would make it into Southern New York State Sunday morning. Then into Central New York State late morning early afternoon, into southwest New England between noon and midafternoon then Southeast New England mid to late afternoon. And northern New England Sunday evening to Sunday night.

Lingering rain will last across eastern New England into Monday morning (Columbus Day).

 

Monday will not be a washout, with clearing developing during the day. Then a cold front will come through for Tuesday bringing cooler temperatures and scattered rain showers. Northern parts of New York State and northern New England could see a rain/mix with some light accumulations in the highest elevations of the Adirondacks, Greens and Whites.