Tag Archive for 'clouds' at NY NJ PA Weather Forecasts

Colder Environment Setting Up Icy Weather For Interior

January 6th, 2009 by Steven DiMartino

7:27 AM
The first observation I noticed throughout the forecast area was how dry the air was. This is a big deal everyone for one simple reason. Evaporational cooling.
The precipitation seen over Delaware and Maryland will slowly push north today, as high pressure gives way over the next 8 to 12 hours. Clouds will continue to [...]

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Evening Thoughts For Tuesday Night And Wednesday

January 5th, 2009 by Steven DiMartino

7:40 PM
At this time, my thoughts for the storm on Tuesday night through Wednesday have not changed. However, I wanted to go over again how I think everything will evolving from Tuesday afternoon through Wednesday afternoon.
Tuesday Morning: On Tuesday morning, clouds will increase throughout the forecast area. High pressure will be giving way to the [...]

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Icy Conditions On The Way

January 5th, 2009 by Steven DiMartino

9:21 AM
A very dangerous situation is developing for parts of the forecast area that can lead to some significant icing over parts of the interior by Wednesday morning. These types of forecast can be tricky to forecast because the line between a heavy rain and over 0.25″ of ice is like walking a tight rope [...]

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Active Pattern Begins

January 4th, 2009 by Steven DiMartino

10:00 AM
The active pattern of stormy weather will begin today and last over the next 14 days, at least. For this post, I’ll focus on today through Monday.
A weakening disturbance, which is running right into the strong 50/50 low is rapidly weakening. However, enough WAA is entering the forecast area to produce some moderate isentropic [...]

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Quiet Start To Weekend Followed By Active Stretch

January 3rd, 2009 by Steven DiMartino

7:50 AM
High pressure is currently in control over the forecast area leading to clear skies over much of the region with cold temperatures in place. High pressure will slide to the north and east of the forecast area through the day, giving way to a weakening area of low pressure for tomorrow.
As discussed before, the [...]

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Warm Weekend Ahead, Enjoy It While You Can

December 26th, 2008 by Steven DiMartino

7:59 AM
The weather will be no excuse this weekend on whether retail sales will be up or down, that’s for sure! The upper level pattern at this current time has the storm track well north and west of the forecast area. The negative NAO is still developing and the current block is not in place [...]

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Working On A New Forecast

December 18th, 2008 by Steven DiMartino

Good evening everyone.
The new 00Z NAM guidance has trended colder for just about everyone and has made for a very difficult forecast this evening. Look like New York City and Newark are going to be snowier than earlier thought while parts of central New Jersey will be prime for ice skates.
I’m taking into account [...]

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New York City And Northern Suburbs Of Philadelphia Will Be Hit Hard On Friday

December 18th, 2008 by Steven DiMartino

7:14 AM
The forecast has become much clearer over the past six hours, but there is still a lot that can change for Friday. More on that in a minute.
For today, high pressure will build into the forecast area producing a CAD over the forecast area, which will allow cold air to build into the forecast [...]

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Major Cold Front On The Way

December 14th, 2008 by Steven DiMartino

10:30 AM
The main story over the next 3 days is going to be the wild temperature swings we will experience. Spring will visit the forecast area tonight and Monday followed by a hard slap of reality on Tuesday. So let’s dive back into the forecast!
Today, the high pressure system is slowly leaving the forecast area. [...]

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Moderation Ahead Of An Important Cold Front

December 8th, 2008 by Steven DiMartino

Warmer conditions are on the way for the next 48 hours as a southwesterly wind strengthens today through tomorrow.
Today will actually be the coldest day of the period with temperatures starting out in the lower 10’s to upper 20’s throughout the forecast area. High pressure will slide through the forecast area supporting generally clear [...]

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