Major Nor'easter all set to cripple some areas in North East USA

The NAM 00z forecast for Snow Depth of Wednesday Morning showing high snow accumulation in MASSACHUSETTS

NAM Surface Wind showing the low pressure at the maximum level

METD WEATHER

Akshay Deoras

Severe Weather Forecaster

A powerful low pressure which caused a Winter Storm recently in Southern USA is all set to intensify and hammer NE USA

The GFS computer models are in agreement of intensification of the existing low pressure at present offshore Florida to an extreme level also referred as Bombogenesis. Bombogenesis is very common in period from Oct to March ( As the temperature gradient which is change in air temp with respect to distance is huge) as the cold air mass ( very cold air from arctic) comes in contact with the warm oceans or warm air from another region creating Atmospheric bombs!!

The low pressure will intensify from afternoon period of Tuesday from a stable 1020mb.

resulting in snowfall in Washington DC,Delaware,Maryland,Pennsylvania WHERE SNOW ACCUMULATION WILL NEAR TO 3" with strong winds at atlantic coast

MSLP will near to 1016mb meaning a fall of around 4millibar air pressure

The real Bombogenesis will initiate late night on Tuesday when MSLP falls to 1000mb by early Wednesday. Heavy snow will develop in New York,New York City,Philadelphia, Hartford initiating by 0200hrs apx LT on Wednesday and THEN IN MASSACHUSETTS.

Snow depth in New York state shall reach upto 10inch by Wednesday noon and as high as 16inch in MASSACHUSETTS state including areas like Boston(ME),Providence,Portland with heavy snowfall and winds ( Blizzardic condition possible here and New York City)

******DISRUPTIONS IN AIR TRAFFIC AND ALL ROAD,RAILWAY OPERATIONS IS LIKELY IN MASSACHUSETTS (CENTRAL,SOUTHERN,EASTERN) AND SOME AREAS IN NEW YORK CITY.********

26TH DEC 2010 CONDITIONS LIKELY AGAIN HERE!

The low w'd have reached around 990mb at that time and pressure will intensify more reaching to low of around 980mb at Eastern shore of MASSACHUSETTS adding more snow and winds here.

Winter Watches in effect from Mid Atlantic states to Southern New England which will turn to warnings as the event unfurls.