Unstable Air Mass | NY NJ PA Weather Forecasts

Tag Archive for 'unstable air mass'

Evening Thoughts- Rain approaches

October 9th, 2009 by Steven DiMartino

8:33 PM
This evening, a cold front is ever so slowly moving through Pennsylvania and will eventually push into eastern Pennsylvania in the next few hours. A very weak area of low pressure is now over central Pennsylvania and is moving towards the central Hudson Valley. As the low pressure system moves to the northeast, the [...]

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Isolated Threat For Severe Weather Today

August 11th, 2009 by Steven DiMartino

7:45 AM
The cold front has stalled over the forecast area this morning and will continue to linger over the region through this afternoon. The air mass over the forecast area continues to be very warm and humid. Dew points already range from the mid 60’s to lower 70’s over the forecast area and will continue [...]

Tags: Albany, Allentown, Atlantic City, atlantic ocean, Belmar, Bridgeport, Citi Field, coastal waters, cold front, Connecticut, delaware river, dew points, forecast area, Freehold, frequent lightning, hail, Hartford, heavy rain, Islip, lightning, Long Island, Long Island Sound, Mets, New Jersey, New Jersey coast, New York, New York City, Newark, northeastern Pennsylvania, Pennsylvania, Philadelphia, Phillies, Poughkeepsie, precipitable water, Rainfall, Reading, Scranton, severe thunderstorms, severe weather, Sussex, thunderstorms, tides, tornado, unstable air mass, water values, weather today, White Plains, Wild Wood, wind gusts, Yankee Stadium, Yankees. Technical Discussions Closed

Another round of hot conditions and severe weather

August 11th, 2009 by Steven DiMartino

5:15 AM
Some fairly significant changes will be developing over the next 24 hours that will once again bring more wet conditions to the forecast area. However, before those changes take hold, hot conditions will return to the forecast area.
A cold front will slowly drift off the New Jersey coast through the morning and into the [...]

Tags: afternoon hours, Albany, Allentown, Atlantic City, atlantic ocean, Belmar, Bridgeport, Citi Field, coastal waters, cold front, Connecticut, dew points, forecast area, Freehold, hail, Hartford, heavy rain, humid conditions, interesting changes, Islip, jet streak, lightning, Long Island, Long Island Sound, Mets, mid level, Mississippi Valley, New Jersey, New Jersey coast, New York, New York City, Newark, Pennsylvania, Philadelphia, Phillies, Poughkeepsie, Reading, ridge axis, Scranton, southern mississippi, strong wind, Sussex, thunderstorms, tides, tornado, Trough, unstable air mass, upper level winds, wet conditions, White Plains, Wild Wood, wind damage, wind gusts, wind shear, Yankee Stadium, Yankees. Technical Discussions Closed

The war begins

August 8th, 2009 by Steven DiMartino

5:15 AM
A war is about to begin over the Mid Atlantic and Great Lakes that will pit two volatile air masses against each other. Over the Southeast and Gulf Coast, a hot, humid, and unstable air mass is building and heading north while over eastern Canada; cool, dry air is poised to dive south. The [...]

Tags: afternoon hours, air masses, Albany, Allentown, Atlantic City, atlantic ocean, Belmar, Bridgeport, Citi Field, coastal waters, confluence, Connecticut, convergent, eastern canada, forecast area, Freehold, Gulf Coast, hail, Hartford, heavy rain, humid conditions, Islip, level configuration, level jet, lightning, Long Island, Long Island Sound, Mets, mid level, New Jersey, New Jersey coast, New York, New York City, Newark, northern ontario, Pennsylvania, Philadelphia, Phillies, Poughkeepsie, Reading, Scranton, severe thunderstorms, short wave, southwesterly winds, Sussex, thunderstorms, tides, tomorrow afternoon, tornado, unstable air mass, unstable nature, wave trough, western quebec, White Plains, Wild Wood, Yankee Stadium, Yankees. Technical Discussions Closed

The set up of the battle ground

August 6th, 2009 by Steven DiMartino

5:15 AM
Over the next three days, the stage will be set for a battle between relatively cool, dry Canadian air to the north and west and a hot, humid, unstable tropical air mass to the south and east. Over the forecast area, a stationary boundary will waver north and south each day with various impacts [...]

Tags: Albany, Allentown, appellation mountains, Atlantic City, atlantic ocean, Belmar, Bridgeport, Citi Field, coastal waters, Connecticut, eastern Pennsylvania, evening hours, forecast area, Freehold, Great Lakes, Gulf of Mexico, hail, Hartford, heavy rain, Islip, lightning, Long Island, Long Island Sound, Mets, Mid Atlantic, New Jersey, New Jersey coast, New York, New York City, Newark, overcast skies, Pennsylvania, Philadelphia, Phillies, Poughkeepsie, Rainfall, Reading, saturday morning, Scranton, short wave, southern connecticut, southern tennessee, stationary front, suburbs of philadelphia, Sussex, Tennessee Valley, thunderstorms, tides, tornado, tropical air, unstable air mass, wave trough, western suburbs, White Plains, Wild Wood, Yankee Stadium, Yankees. Technical Discussions Closed

Exiting trough leaves clearing skies for this weekend

July 18th, 2009 by Steven DiMartino

6:41 AM
After an active evening and overnight period of showers and thunderstorms, which produced damaging hail, wind gusts, and flash flooding, the trough responsible for the thunderstorms is now beginning to lift into eastern Canada. As a result, the forecast area will be under the influence of sinking air, which will support weak high pressure [...]

Tags: afternoons, Albany, Allentown, Atlantic City, atlantic ocean, Belmar, bermuda high, Bridgeport, Citi Field, climatology, coastal waters, Connecticut, delaware river valley, eastern canada, forecast area, Freehold, Great Lakes, hail, Hartford, heavy rain, High Temperatures, Hudson Valley, Islip, level features, lightning, Long Island, Long Island Sound, Mets, Mid Atlantic, New Jersey, New Jersey coast, New York, New York City, Newark, Pennsylvania, Philadelphia, Phillies, Poughkeepsie, Reading, Scranton, severe thunderstorms, showers, southwesterly flow, sunny afternoon, Sussex, Tennessee Valley, thunderstorms, tides, tornado, Trough, unstable air mass, warm moist air, White Plains, Wild Wood, wind gusts, Yankee Stadium, Yankees. Technical Discussions Closed

Another rainy day for the region

June 18th, 2009 by Steven DiMartino

7:39 AM
A clash of air masses is unfolding right over the forecast area as the marine air mass that has been over the forecast area the past several days slowly is eroded from the region and off the coast. The latest surface map best describes the current situation. High pressure remains off the New England [...]

Tags: air, air masses, Albany, Allentown, area, Atlantic, Atlantic City, atlantic ocean, Belmar, boarder, Bridgeport, buffalo ny, central hudson, central maryland, central Pennsylvania, Citi Field, coast, coastal waters, confluence, Connecticut, convergence, Delaware, eastern Pennsylvania, england, evening hours, evenings, exiting, forecast, forecast area, forecaster, forecasters, Freehold, front, Great Lakes, guidance, hail, Hartford, hazy conditions, heavy rain, high, Hudson Valley, Islip, isolated thunderstorms, lightning, Long Island, Long Island Sound, low, lows, map, maps, Maryland, metros, Mets, mid, models, new england coast, New Jersey, New Jersey coast, New York, New York City, Newark, normal, normals, Northeast, northern, Ohio, Pennsylvania, periods, Philadelphia, philadelphia metro, Phillies, Poughkeepsie, Rain, Reading, rebound, risk, scattered showers, Scranton, severe thunderstorms, showers, south, southe, surfaces, Sussex, systems, temperature, temperatures, thunderstorm, thunderstorms, tides, tornado, Trough, troughs, unstable air mass, upper level trough, valleys, warm, west, White Plains, Wild Wood, wills, Yankee Stadium, Yankees. Technical Discussions Closed

Severe weather potentially explosive tomorrow afternoon

June 8th, 2009 by Steven DiMartino

9:38 PM
A preview of the a potentially very active afternoon was seen this afternoon over much of southern Monmouth and Ocean counties of New Jersey this afternoon. A weak disturbance, a remnant from the MCS that impacted much of the Mid West early this morning, sparked off a cluster of showers and thunderstorms. These thunderstorms [...]

Tags: advection, air, Albany, Allentown, area, Atlantic, Atlantic City, atlantic ocean, atmosphere, Belmar, boundaries, Bridgeport, Burlington, burst, Chicago, Citi Field, clouds, coast, coastal waters, cold, colors, combinations, Connecticut, continuation, county, Delaware, delaware river valley, dew points, discussion, Disturbance, divergence, downpours, eastern Pennsylvania, elevation, elevations, england, enhancement, evenings, explosion, explosive combination, ey, Fall, flood, flooding, floods, forecast, forecast area, forecaster, forecasters, Freehold, frequent lightning, front, gusts, hail, Hartford, heavy rain, humidity, interaction, isentropic, Islip, Jets, lapse rate, lapse rates, level jet, lifting, lightning, Long Island, Long Island Sound, low, lows, MCS, measurement, mesoscale, Mets, mid, moist air, moisture, Monmouth, New Jersey, New Jersey coast, New York, New York City, Newark, north, northe, northern, northern burlington, Ocean, ocean counties, Ohio, Pennsylvania, pennsylvania west, Philadelphia, Phillies, plume, Poughkeepsie, pva, Rain, Reading, remnants, Scranton, Shear, showers, signs, south, Southeast, southern monmouth county, southern pennsylvania, Storm, storms, surfaces, Sussex, temperature, temperatures, thunderstorm, thunderstorm development, thunderstorms, tides, tornado, tornadoes, Trenton, Tropical, tropics, Trough, troughs, unstable air mass, valleys, Virginia, visibility, warm, warm air mass, weather, west, western pennsylvania, western virginia, White Plains, Wild Wood, wills, Yankee Stadium, Yankees. Technical Discussions Closed

Active weather pattern continues for this week

June 8th, 2009 by Steven DiMartino

7:28 AM
The weather pattern for this summer certainly is developing an active characteristic as yet another week of persistent threats of showers and thunderstorms can be expected.
There are a lot of interesting features to examine on the water vapor this morning, so lets dive right in! A trough over the Canadian Maritimes continues to slowly [...]

Tags: air, Albany, Allentown, area, Atlantic, Atlantic City, atlantic ocean, atmosphere, Belmar, boundaries, Bridgeport, briefly, canadian maritimes, Caribbean, Citi Field, city metro, coast, coastal waters, cold, cold front, Connecticut, continuation, convergence, Delaware, delaware river valley, Disturbance, dive right, dives, downpours, east, easterly wind, echoes, england, evenings, Examiner, exiting, Fall, flood, flooding, floods, forecast, forecast area, forecaster, forecasters, Freehold, front, Gulf of Mexico, gusts, hail, Hartford, heavy rain, high, humidity, Islip, Jets, lifting, lightning, Long Island, Long Island Sound, low, lows, Maryland, MCS, metros, Mets, Mexico, mid, Mississippi, moisture, New Jersey, New Jersey coast, New York, New York City, Newark, Northeast, northern, northern pennsylvania, orientation, Pennsylvania, Philadelphia, Phillies, plains, Poughkeepsie, precipitation, precipitations, pva, Reading, remnants, Scranton, Shear, showers, south, Southeast, Southeast Coast, Southwest, stable marine air, strong wind, Summer, surfaces, Sussex, systems, Tennessee, thunderstorm, thunderstorms, tides, tornado, travelers, Tropical, tropical moisture, tropics, Trough, troughs, unstable air mass, unstable nature, upper level disturbance, valleys, Virginia, visibility, warm, warm air mass, water vapor, weather, weather pattern, weeke, west, wetter, White Plains, Wild Wood, wills, wind gusts, Yankee Stadium, Yankees. Technical Discussions Closed

Major Changes On The Way

November 5th, 2008 by Steven DiMartino

Get ready to say good bye to the ridge in the East or at least the sustained ridge in the East.
A strong cold front supported by a strengthening upper level low and deepening trough will drive through the forecast area on Saturday afternoon. There is a significant potential for strong to severe thunderstorms with this [...]

Tags: Albany, Allentown, area, Atlantic, Atlantic City, Belmar, Bport, canada, central canada, cold, cold front, confluence, Connecticut, convergence, deep trough, Disturbance, east, ecmwf, espe, extreme side, extremes, forecast, forecast area, forecaster, Freehold, front, frozen precipitation, gfs, guidance, Hartford, heavy rain, humidity, interaction, Islip, jet streams, Jets, lifting, Long Island, lows, Mississippi, Mississippi Valley, Model Guidance, models, moisture, nao, New Jersey, New York, New York City, Newark, north, Ohio, Pennsylvania, Philadelphia, plains, polar air, polar branch, Poughkeepsie, precipitation, Rain, Reading, Ridge, Scranton, severe thunderstorms, Shear, Storm, storm track, storms, Sussex, systems, thunderstorm, thunderstorms, Tropical, tropics, Trough, unstable air mass, vertical wind shear, warm, watches, White Plains, Wild Wood. Technical Discussions Closed