Pattern Change for the East

November 1, 2011; 3:35 PM ET
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In the wake of the Halloween Weekend Screamer of a snowstorm for the Northeast, stormy weather is shifting out West for the first couple of weeks of November. However, this is not to say there cannot be some blasts of cold air coming in and locally rough conditions for popular tourist getaways.

Rather than having storms strengthening upon heading into the eastern United States or becoming screaming nor'easters along the Atlantic Coast, the systems will weaken.

In general, a zone of high pressure will set up shop in the eastern half of the nation. This will keep a lid on storm intensity in the East for at least 10 to 14 days.

Most of the storms are forecast to dive southward in the West, then cut northward over the Plains. The storms that manage to roll eastward, will weaken coming into the prevailing zone of high pressure.

The pattern change will bring above normal temperatures to much of the eastern U.S. and southeastern Canada. However, there will be some "not so hot" places as well.

Beware, Northern Late-Week Cold Blast Coming

In fact, a nasty cold shot will roll out of eastern Canada and into New England and upstate New York spanning Thursday night into Saturday. As the arctic air rolls in, strong winds will accompany it making for RealFeel® temperatures in the teens (-5 to -10 Celsius).

U.S. and neighboring Canada cities impacted by the end-of-the-week quick cold blast include, Burlington, Boston, Dartmouth, Fredericton, Halifax, Hartford, Moncton, Montreal, Ottawa, Portland, Portsmouth, Providence, Quebec City and St. John.

Areas from Buffalo to New York City on south will avoid the worst of this cold blast.

The cold could be especially hard on folks in New England and New Brunswick who may still be without power at the end of the week in the wake of the freak October snowstorm.

Fortunately, the cold blast will leave almost as quickly as it arrives. During the second half of the weekend, much warmer air will flow in from the southwest. That warmer weather will stick around in the East for much of next week.

Unsettled Pattern for Florida

It will be high pressure and not a storm that brings gusty winds, cool air, showers and rough seas to the southern Atlantic Seaboard.

With high pressure eventually taking root along or just off the mid-Atlantic coast of the U.S., the flow around the normally fair weather system will make for periods of rough surf and frequent showers along Florida's East Coast.

Two rather lengthy episodes of onshore flow will cause problems in the Sunshine State. One occurs this week, a stronger event occurs next week.

A little taste of this will continue through the middle of this week.

After a break from the onshore flow, rough surf and the showers Friday into Saturday, it will return with increased vigor Sunday into much of next week.

Bathers and boaters are urged to exercise caution.


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This Day In Weather History

Tallahassee, FL (1899)
(11th-14th) During an arctic outbreak temps fell to -2 F., the lowest ever registered in the sunshine state.

Philadelphia, PA (1899)
(11th-14th) 18.9" of snow; fourth biggest snowstorm on record. Unofficially, 44" between Philadelphia and Atlantic City. Blizzard conditions and high winds and bitter cold.

Raleigh, NC (1899)
(11th-13th) 17.7" of snow.

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