Tag Archive for 'northern'
June 21st, 2009 by Steven DiMartino
9:23 AM
Low pressure east of Long Island and south of New England has stalled and will impact the forecast area over the next several days. Variable cloud cover can be expect today through Tuesday. Scattered showers will be rotating through the coastal waters through this afternoon as the low pressure system slowly drifts east. Showers [...]
June 20th, 2009 by Steven DiMartino
7:30 AM
The forecast for today through tonight is best described as significantly complicated and potentially very active. The main theme is basically the progression of the warm front currently over southwesterly Pennsylvania through eastern Virginia. I want to start with the fact that the surface low pressure system is further north and weaker than forecasted [...]
June 18th, 2009 by Steven DiMartino
8:15 AM
The one good aspect of El Nino this summer is that development of tropical systems continues to be inhibited by strong westerly shear and a lack of any organized disturbances. Strong westerly and southwesterly shear dominates the central and wester Caribbean and over the western Tropical Atlantic. The combination of a trough over northern [...]
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 [...]
June 16th, 2009 by Steven DiMartino
7:58 AM
The rainy pattern that much of the forecast area has experienced this June is taking a short break, as high pressure positions itself over Maine this morning. The position of the high pressure system will still force a marine air mass in place over the region, which is supporting the low clouds this morning. [...]
June 15th, 2009 by Steven DiMartino
7:18 AM
Another disturbance is dropping south through the Hudson Valley, Connecticut, and Long Island Sound this morning with a round of heavy rain this morning. This disturbance will continue to drop south and east and will exit the forecast area over the next 2 to 3 hours, impacting much of Connecticut and Long Island rush hour [...]
June 13th, 2009 by Steven DiMartino
Most recent updates on the bottom!
12:40:48 PM: The strongest thunderstorm of all the thunderstorms throughout the region is over western Burlington County.
12:42:03 PM: The thunderstorm over western Burlington County is producing very heavy rainfall and frequent lightning.
12:43:03 PM: These thunderstorms are below severe level, but can reduce visibility rapidly due to the heavy rainfall and [...]
June 13th, 2009 by Steven DiMartino
12:35 PM
As discussed this morning, as the sun broke through and destabilize the atmosphere, mesoscale boundaries have developed. These boundaries have produced slow moving and strong thunderstorms. These thunderstorms are producing producing very heavy rainfall over western Burlington County and Morris County in New Jersey and throughout eastern Pennsylvania. These thunderstorms are capable of producing [...]
June 13th, 2009 by Steven DiMartino
10:10 AM
The type of pattern the forecast area is being influenced by is at times difficult to forecast for in terms of timing showers and thunderstorms as there are several factors that mixing the atmosphere. For one, take a look at the latest visible satellite image.
The stationary front over the southern Mid Atlantic, is [...]
June 9th, 2009 by Steven DiMartino
9:25 PM
A very slow moving thunderstorm is dropping south through northern Luzerne County this evening and has produced very heavy rainfall over the towns of Harveys Lake, Hallwood, and locations east of Jamison City. This thunderstorm has been estimated to produce three inches or more over northwestern Luzerne County and will continue to produce heavy [...]