Hurricane Irma to Unravel, Decay; Heavy Winds Continue - NBC Boston

Hurricane Irma to Unravel, Decay; Heavy Winds Continue

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    NEWSLETTERS

    Monday: Comfortable with unlimited sun. Highs in the 70s. Monday night: Quiet, clear. Lows around 50. Tuesday: Mostly sunny & summery. Highs in the 80s.

    (Published Monday, Sept. 11, 2017)

    Hurricane Irma burst into the Florida Keys very early Sunday morning with coastal inundation and vicious winds. When word finally gets out - there's often a long period of silence after landfall due to a lack of communication - it's likely to be dire for many. As the storm continued its rampage across the west coast of Florida, it weakened to a Category 2 hurricane. While this may have been a better outcome than a Cat. 4 or 5, it's still no picnic, and there's still a way back to normalcy for most of the Florida peninsula. 

    Winds do mean a lot in a hurricane, but since Irma ramped down from a frenzied state, it still had a penchant for nasty winds and life-threatening storm surge. The idea here is that while it was a Cat 4/5, it built up the sea water, it encircled the eye wall with intense thunderstorms, and it spun up numerous tornadoes and waterspouts. All of that doesn't just collapse when the wind speeds drop. It takes several hours - sometimes days - to diminish. And therein lies the problem and the danger for all of Florida. 

    Over the next few days, the storm will unravel and decay, becoming a "remnant low" near Memphis by midweek.

    Our own weather in New England is dominated by high pressure, or a fair weather cell, that will remain in charge most of this week. Along with the high pressure dome comes a wealth of dry air – dry air tends to cool effectively at night, and warm quickly during the day, and that’s exactly what we’ll see in the next couple of days.

    Beneath plenty of sunshine, high temperatures Monday will rise to around 80, and summer returns Tuesday through Thursday with highs rising above the 80 degree mark for many of us. As remnant moisture of Irma tries pushing into New England on Wednesday, the preceding dry air will likely erode those showers and result in little more than increasing clouds. So, as of right now, it looks like our chance of showers waits until sometime later Thursday, Friday and into early Saturday to mount in New England, coincident with a passing cold front that will knock temperatures down as a new installment of cool, dry, autumn air moves in. We’ll be watching Hurricane Jose by the end of the exclusive Early Warning Weather 10-day forecast.


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