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Terry Eliasen
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Our first touch of fall coming this weekend…and watching Florence

FRIDAY:  Mainly cloudy, cooler and drier, mid 70s

SATURDAY:  Partly sunny and comfy, low to mid 70s

SUNDAY: Partly sunny and coolish, mid 60s…increasing clouds late

MONDAY:  Rain arrives, 65-70

By Terry Eliasen, Meteorologist, WBZ-TV Exec. Weather Producer

BOSTON (CBS) – The Atlantic Hurricane season has suddenly roared to life. While the record breaking heat and humidity dominated the headlines for most of this summer, thankfully, the Tropics remained quiet. Cooler than normal ocean water off of Africa, wind shear in the Tropics and large amounts of Saharan dust all have contributed to what has been a very quiet and below average Atlantic Hurricane season thus far. But as we often like to say, it only takes one.

satellite Florence Likely To Be Major Hurricane Off East Coast Next Week

(WBZ-TV graphic)

Conditions have suddenly become more favorable for development and the tropical wave train off of Africa has fired up. There are now three waves we are watching, two of which have yet to gain tropical storm status and thus have not been named. The third was given its name (Florence) about a week ago, early on the morning of Saturday, September 1. It has been quite a week for Florence. It was given hurricane status on Tuesday, became a major hurricane on Wednesday and then was nearly torn apart in an unfavorable environment Thursday and was once again downgraded to a tropical storm by early Friday.

The forecast over the next 24 hours is for Florence to meander westward at about the same size and strength as it battles its way through a southwesterly wind shear. By later Saturday and Sunday Florence will encounter a much more favorable environment and should begin to rapidly strengthen once again. It should regain hurricane status over the weekend and likely become a major (cat 3 or cat 4) hurricane by early next week. The official track from the National Hurricane Center now takes Florence well south of Bermuda on Tuesday and continues heading west on Wednesday towards the southeastern United States.

anomalies Florence Likely To Be Major Hurricane Off East Coast Next Week

(WBZ-TV graphic)

With ocean water temperatures warmer than average off the U.S. coastline and very little wind shear in its path, Florence is likely to be a beast of a hurricane by the middle of next week as it heads for the East Coast. What happens from here is still TBD.

You may have already seen or heard quite a bit of chatter online about potential landfall locations – from Miami to Massachusetts. Many folks take delight in posting individual weather model runs showing a major, catastrophic landfall over populous cities. This is irresponsible an dangerous. As forecasters, we look at model trends, historical analogs, and a wide variety of other factors in trying to determine the ultimate path of a hurricane that is still many days and thousands of miles away from making an impact.

As of this writing, here is what we know:

While Florence has weakened recently it is likely to keep its core and survive the current environment until it reaches a more favorable area.

11am Florence Likely To Be Major Hurricane Off East Coast Next Week

(WBZ-TV graphic)

We had initially hoped that a trough sweeping through the Northeast and northern Atlantic would grab Florence and redirect it out to sea. This now appears very unlikely.

monday Florence Likely To Be Major Hurricane Off East Coast Next Week

(WBZ-TV graphic)

Odds now favor a continued westerly track through the weekend and a gradual strengthening.

track2 Florence Likely To Be Major Hurricane Off East Coast Next Week

(WBZ-TV graphic)

With regards to any potential East Coast impacts/landfall, it would be wise for the entire coastline to stay tuned to updates. However the trend over the last 24 hours has been for a farther southerly track, meaning the Carolinas may be at a slightly higher risk than say the Mid-Atlantic or Northeast.

spaghetti Florence Likely To Be Major Hurricane Off East Coast Next Week

(WBZ-TV graphic)

The truth is Florence still has a long ways to go, hundreds and thousands of miles to travel and it is simply too early to forecast with any certainty a likely landfall area.

Please disregard any erroneous information that claims to tell you otherwise.

I would recommend following our weather team along with other credible sources such as the National Hurricane Center for updates over the weekend and into next week.

Click here for Westford snow storm data and past totals or select “Winter Snowfall“ under “Pages” on the left hand side.

For more up to date forecast information follow me on Twitter (@terrywbz) or follow the WBZ weather team on Facebook, search WBZWeather

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