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09/29/2011

Cloudy, Rainy, and Humid Today Around NYC!

Cooler Weather Arrives Friday Night and It's Chilly by Sunday!

Good Morning,

Much of northeastern Pennsylvania, northwestern and far western New Jersey and even

Orange County in New York have already been dealing with some flooding issues over the past

day and a half... So, we'll have to keep a very watchful eye on the regional radar mosaic again

today... A Flood Warning for small streams is in effect (as of this writing) until 8 a.m. for southern

Sussex, Warren, western Morris, Hunterdon and northwestern Somerset counties in New

Jersey... In places like Hackettstown, High Bridge, and Clinton -- the total rainfall since late

Tuesday has averaged 2-4 inches... Conversely, rainfall totals around the Five Boroughs and in

many adjacent suburbs since yesterday morning have averaged less than a quarter of an inch...

However, with that very mild and moist flow of air out of the south and southeast expected to

continue today, any of the rain that develops from midday on across the remainder of the

Tri-State Area may include a few hard downpours... Flooding, especially of some low-lying areas

and those of poor drainage, could be impacted this afternoon... Temperatures should be mostly

in the lower and middle-70s, even despite the threat for some pockets of heavy rain... Its all due

to a fairly rich supply of tropical moisture, but we'll definitely get that "true feel of October" in the

air by late tomorrow night and early on Saturday...

As the first wave of low pressure and a series of fronts associated with lifts out to the north

early tonight, these will be taking all of the rain with them -- and we should get a chance to dry

out tonight... Fog, however, could form after midnight in some places... The prevailing thoughts

are that most of tomorrow will be rain-free around here, and we'll see the temperature peak in the

70s one more time... But, as a vigorous upper-level disturbance begins to move into

southeastern Canada (this is, of course, the same entity that has been swirling over the Great

Lakes region for several days), it will be pushing an even stronger cold front into the Eastern

Region late tomorrow afternoon and early tomorrow night... With this front, there may be a

shower in a few places, and then the temperature will be plunging into the lower and middle-50s

in most places later on Friday night...

Saturday's temperatures will vary from spot to spot, probably only reaching the mid and

upper-50s across most interior locations (and especially in the higher terrain), but the lower-60s

along the coast and in most of the bigger cities... We must be cautious to not "rush the coolest

air all the way to the coast too quickly", because even though that frontal passage will happen

on Friday night, the odds do seem to favor that Sunday will be the coolest day of the two this

coming weekend... With a fairly brisk, northwesterly wind, an instability-driven shower is

possible here on Saturday, and then Sunday will offer no less than partial sunshine and less

wind... But most temperatures on Sunday will be between 54 and 59 degrees, making it the

coolest day across most of the Tri-State Area since it was in the lower-50s back on April 22nd...

Dry, and progressively milder weather will follow during the first half of next week...

Have a good day !!!

Posted by WABC on September 29, 2011 in Bill Evans' Weather Chat , Books , Current Affairs , Science , Web/Tech , Weblogs | Permalink

Comments

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