Blocking | NY NJ PA Weather Forecasts

What has caused the heavy rainfall this month?

June 21st, 2009 by Steven DiMartino

9:52 AM
June has seen some very impressive rainfall amounts with many locations well over an inch above normal. Even some locations double the amount of normal rainfall. While a continuous onslaught of showers and thunderstorms have impacted much of the Mid Atlantic, and specifically the New York City and Philadelphia metropolitan areas, other locations have [...]

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Snow in April?

March 27th, 2009 by Steven DiMartino

7:17 AM
There’s a lot of discussion on the weather boards about a potential snow event for early April, and I’ve received a few emails about this potential so I figure I address the issue quickly this morning.
Snow can certainly happen in April and sometimes right into mid April, however the set up is usually rare [...]

Tags: accumulation, air mass, Albany, Allentown, arctic air, area, Atlantic City, Belmar, blocking, boundary layer, Bport, coast, cold, cold air, Connecticut, discussion, eastern north america, forecast, forecast area, forecaster, forecasters, Freehold, Great Lakes, ground surfaces, Hartford, high, Islip, Long Island, low, lows, mid, morning snow, nao, New Jersey, New York, New York City, Newark, north, northe, Pennsylvania, Philadelphia, plains, pna, Poughkeepsie, Reading, Ridge, s, Scranton, snow, snow event, snow in april, snowfall, snows, Storm, storm track, storms, sun, sun angle, surfaces, Sussex, temperature, temperatures, Trough, warm, weather, weather boards, west, White Plains, Wild Wood. Technical Discussions Closed

Spring returns as block collaspes

March 25th, 2009 by Steven DiMartino

6:09 AM
The cool regime that has kept temperatures well below normal the past few days is now coming to an end. High pressure is currently right over southern New Jersey and will eventually slide off the coast later this morning. As a result, winds will veer from the north to the southwest this afternoon. As [...]

Tags: air mass, Albany, Allentown, area, Atlantic, Atlantic City, Belmar, blocking, Bridgeport, clear skies, coast, Connecticut, Disturbance, exiting, few days, forecast, forecast area, forecaster, forecasters, Freehold, friday morning, Hartford, heavy rain, high, Islip, lifting, Long Island, low, lows, mid, New Jersey, New York, New York City, Newark, normal, normals, north, northe, Pennsylvania, Philadelphia, Poughkeepsie, Rain, Reading, rebound, regime, Scranton, showers, slides, Southwest, spring returns, spring showers, surfaces, Sussex, temperature, temperatures, Tennessee, Tennessee Valley, tomorrow morning, valleys, variable winds, White Plains, Wild Wood, wills. Technical Discussions Closed

Cold air mass in control next two days

March 24th, 2009 by Steven DiMartino

7:10 AM
If you go outside, you probably won’t believe that the Mets and Yankees start playing real baseball games in roughly two weeks! A strong arctic high pressure is positioned over Quebec this morning and supporting a cold, dense air mass over the forecast area this morning. Temperatures this morning have ranged from the lower [...]

Tags: air mass, Albany, Allentown, area, Atlantic City, baseball, baseball games, Belmar, blocking, Bridgeport, clear skies, coast, cold, cold front, cold valley, Connecticut, crash, dense air, discussion, Disturbance, east, forecast, forecast area, forecaster, forecasters, Freehold, front, game, games, gfs, hard time, Hartford, high, Hudson Valley, interior locations, isentropic, Islip, lifting, light winds, Long Island, low, lows, Mets, mid, mid 20, morning temperatures, New Jersey, New York, New York City, Newark, normal, normals, northeastern Pennsylvania, Ohio, Pennsylvania, Philadelphia, Poughkeepsie, qpf, quebec, Reading, rebound, scattered showers, Scranton, showers, south, Southeast, sun, Sussex, systems, temperature, temperatures, thursday afternoon, tomorrow morning, tonight and tomorrow, valleys, warm, weeke, White Plains, Wild Wood, wills, Yankees. Technical Discussions Closed

The Atlantic block falls, pattern changes again

March 23rd, 2009 by Steven DiMartino

6:16 AM
The Atlantic block that sent a cold front through the forecast area yesterday and will support strong high pressure the next several days will begin to collapse and move eastward into the north-central Atlantic by the end of this week. The cold front that will stall over the southern Mid Atlantic and Ohio Valley [...]

Tags: air mass, Albany, Allentown, area, Atlantic, Atlantic City, axis, Belmar, blocking, Bport, canada, coast, cold, cold air, cold front, collapse, Connecticut, digs, Disturbance, evenings, Fall, forecast, forecast area, forecaster, forecasters, Freehold, friday morning, friday night, front, Great Lakes, Hartford, high, Islip, jet stream, Jets, Long Island, low, lows, metros, mid, Mid Atlantic, Mississippi, Mississippi Valley, negative tilt, New Jersey, New York, New York City, Newark, normal, normals, north, northe, Northeast, Ohio, Pennsylvania, periods, Philadelphia, philadelphia metro, Poughkeepsie, Rainfall, Reading, rebound, Ridge, s, scattered showers, Scranton, showers, stationary front, Sussex, systems, temperature, temperatures, tilt, Trough, valleys, warm, weeke, wet side, White Plains, Wild Wood, wills. Technical Discussions Closed

Cold front on the move, quiet conditions through this week

March 22nd, 2009 by Steven DiMartino

10:37 AM
Good morning everyone!
I don’t know about everyone else, but I have been having a blast watching all the NCAA basketball games, especially since I am getting most of the picks correct! However, there’s actually some action going on with the weather out there today and it is time to discuss what’s going on [...]

Tags: Albany, Allentown, amounts, area, Atlantic, Atlantic City, Belmar, blocking, Bridgeport, clouds, coast, cold, confluence, Connecticut, convergence, discussion, east, england, evenings, Fall, forecast, forecaster, forecasters, Freehold, front, game, games, guidance, Hartford, high, Islip, Long Island, low, lows, metros, mid, models, moderation, New Jersey, New York, New York City, Newark, normal, normals, north, northe, Northeast, northern, Ohio, Pennsylvania, Philadelphia, plains, Poughkeepsie, precipitation, precipitations, quebec, Rain, Reading, satellite, Scranton, showers, slides, south, Storm, storms, Sussex, systems, temperature, temperatures, totals, transition, transitioning, transitions, valleys, visibility, warm, watches, weather, weeke, west, White Plains, Wild Wood, wills. Technical Discussions Closed

Atlantic block keeps the Northern Mid Atlantic quiet through the week

March 21st, 2009 by Steven DiMartino

8:42 AM
I’m not sure what I am going to write about all through next week except for an examination of the position of the blocking upper low off the Newfoundland coast.
The strong upper low over the northwestern Atlantic will produce a strong area of convergence and confluence over New England and Quebec, which will keep [...]

Tags: Albany, Allentown, area, Atlantic, Atlantic City, Belmar, blocking, Bridgeport, coast, confluence, Connecticut, convergence, east, ecmwf, england, Examiner, forecast, forecaster, forecasters, Freehold, gfs, Hartford, high, Islip, Long Island, low, lows, mid, New Jersey, New York, New York City, Newark, newfoundland, normal, normals, northern, Pennsylvania, Philadelphia, Poughkeepsie, precipitation, precipitations, quebec, Reading, Scranton, south, Southeast, surfaces, Sussex, systems, temperature, temperatures, weeke, White Plains, Wild Wood, wills. Technical Discussions Closed

Marine air mass keeps region cool through next week

March 20th, 2009 by Steven DiMartino

7:21 AM
The model guidance has really come into strong agreement over the past 24 hours with respect to the overall upper level pattern and the development of surface features through the middle of next week. There are two key players that will drive the up coming pattern for the CONUS. The first is the strong [...]

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Strong Atlantic block will bring strong back door cold front

March 19th, 2009 by Steven DiMartino

6:22 PM
The upper level pattern is evolving towards a set up that will keep cool conditions in the Northeast and northern Mid Atlantic through the beginning of the week, and possibly through all of next week. A strong upper level low is forecast to develop over the Canadian Maritimes and remain there through next Wednesday. [...]

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Strong Cold Front On The Way, High Pressure Rest Of The Way!

March 11th, 2009 by Steven DiMartino

6:46 AM
A cold front is certainly on the move this morning with scattered showers throughout the Ohio Valley this morning. A warm front has pushed north of much of the forecast area, which puts the region in the “warm sector” of the advancing low pressure system over the Great Lakes. Through much of today, expect [...]

Tags: air mass, Albany, Allentown, area, Atlantic City, atmosphere, Belmar, blocking, Bridgeport, canadian maritimes, cold, cold front, Connecticut, discussion, dominance, dominants, elevation, elevations, evenings, few days, forecast, forecast area, forecaster, forecasters, Freehold, front, Great Lakes, Hartford, high, Islip, Long Island, low, low pressure system, lows, metros, nao, New Jersey, New York, New York City, Newark, north, northe, Ohio, overcast skies, overnight hours, Pennsylvania, periods, Philadelphia, philadelphia metro, Poughkeepsie, Reading, scattered showers, Scranton, showers, south, Storm, storm track, storms, sun, Sussex, systems, temperature, temperatures, thunderstorm, thunderstorms, unstable atmosphere, valleys, warm, warm sector, weekend temperatures, White Plains, Wild Wood, wills. Technical Discussions Closed

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