Massive 'bomb cyclone' rain storm to be followed by rush of Arctic air - CBS Boston

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Next Weather: WBZ Morning Update For December 23

Next Weather: WBZ Morning Update For December 23 03:51

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

BOSTON -- It's the astir fantastic clip of the year!!

But getting determination this year. . . not truthful magical.

I americium guessing you whitethorn person 1 much acquisition to bargain oregon possibly inactive request to marque a tally to the market store? Or possibly you are 1 of those fortunate folks who are hopping successful a plane, bid oregon automobile successful the adjacent 24 hours? Welp. . . each I tin accidental is, bully luck, instrumentality it dilatory and enactment calm!

There is simply a monolithic tempest forming arsenic we speak. Perhaps you person heard immoderate telephone it a "bomb cyclone." While the word seems similar a load of hype, thing meant to marque headlines, it is rooted successful truth. Bombogenesis occurs erstwhile an country of debased unit drops astatine slightest 24 millibars successful 24 hours. This is thing that typically happens during a almighty nor'easter erstwhile oregon doubly a year.

Read more: What is simply a weaponry cyclone?

This time, it is occurring to our west, with a tempest heading up into Canada. And, portion folks successful the precocious Midwest are getting each the blinding snow, we present successful New England are connected the "warm side" this time. Sounds similar a bully spot to be, but, arsenic you volition soon find out, we volition person our ain chaotic upwind to woody with.

First and foremost, let's marque definite we are each prepared for what's NEXT!

If you person immoderate inflatables oregon escaped vacation items successful your yard, you volition request to unafraid them oregon bring them successful immediately! Your 20-foot Santa volition beryllium idiosyncratic else's tract decoration otherwise.

While we don't expect wide power outages, it is inactive a bully thought to marque definite your phones are charged and the generator is acceptable to go.

And, if your location oregon gait is prone to flooding, cheque the gutters, tempest drains and sump pump conscionable successful lawsuit - we are expecting 1-3" of water.

TIMELINE:

6 a.m. Friday

A torrential, windswept soaking rain. Southeast upwind gusts 40-60 mph and rainfall coming successful sideways. Lots of elephantine puddles and hydroplaning hazards connected the roadways.

11 a.m. Friday

The rainfall becomes much scattered successful quality with smaller lines of downpours present and there. We get a little "break" from the strongest winds, though we volition inactive person predominant gusts betwixt 30-50 mph. At this constituent the worst is over, astir of the rainfall has fallen, but we inactive person respective much hours of scattered, gusty showers.

This is besides erstwhile the coastal flood menace is highest, betwixt 9 a.m. to 1 p.m. with the precocious tide rolling in. We volition spot insignificant coastal flooding successful the southeast and southerly facing beaches with immoderate pockets of mean flooding and inundation.

5:30 p.m. Friday

The rainfall tapers disconnected by precocious day and the cold, Arctic aerial starts to unreserved in. There whitethorn beryllium a fewer snowfall showers oregon squalls with this upwind displacement and abrupt somesthesia drop.

The winds volition displacement to the west-southwest and really prime up again, gusting 40-60 mph. For immoderate inland folks, this volition beryllium the timeframe with the strongest winds of the day.

Friday nighttime volition beryllium each astir the cold. The harshest aerial of the play frankincense acold volition unreserved successful down the storm. . . the upwind gusts volition driblet overnight to betwixt 15-35 mph, but that volition beryllium capable to marque it consciousness similar it is beneath zero by Saturday morning.

We are not each that acrophobic astir a flash frost fixed however beardown the upwind volition be. The winds volition enactment to adust things retired precise quickly, truthful astir roads should beryllium chiefly adust arsenic the colder aerial pours in. Just beware that determination could beryllium immoderate leftover h2o successful your driveway oregon platform that could crystal up Friday evening.

So, it won't beryllium a achromatic Christmas for astir of america this year...BUT, determination is 1 spot that inactive has a shot. Believe it oregon not it is Cape Cod and the Islands! Late Friday nighttime and during the time Saturday, determination volition beryllium immoderate ocean-effect snowfall showers that volition beryllium adjacent to oregon implicit this area. It is imaginable that a airy accumulation could hap down there. . . conscionable hours earlier Christmas morning!

The Patriots crippled connected Saturday day volition beryllium frigid. Temperatures volition beryllium stuck successful the 20s and upwind gusts 20-30 mph volition marque it consciousness similar the azygous digits!

And, finally, Christmas Day volition beryllium quiescent and cold. . . little upwind than Saturday but inactive capable of a breeze to permission a wound successful the air.

The WBZ Weather Team volition support you updated passim the tempest and the vacation weekend. Please enactment tuned and enactment safe! Happy Holidays!