Tag Archive for 'advection'
December 17th, 2009 by Steven DiMartino
8:06 AM
The big story this morning is obviously the potential significant snowfall for the coastal locations of the northern Mid Atlantic. I will be diving into my thoughts on the evolution of this storm, and what to look for in the next 24 hours in guidance in a minute.
First, the conditions of this morning should [...]
November 14th, 2009 by Steven DiMartino
6:45 AM
The coastal storm that has battered much of the New Jersey coast with significant flooding and has produced heavy rain along much of the coast is starting to wind down. An inverted trough extending from the surface low pressure east of North Carolina continues to enhance low level forcing over much of the northern [...]
November 11th, 2009 by Steven DiMartino
5:00 AM
Over the past several days, I have discussed a great deal about the potential impacts that the remnants of Tropical Storm Ida will have on the northern Mid Atlantic. It is now clear that the models in general have handled this pattern poorly.
A surface low will develop off the North Carolina coast this afternoon [...]
October 9th, 2009 by Steven DiMartino
5:15 AM
An area of low pressure over the southern Plains will usher in the beginning phase of a much cooler regime for the northern Mid Atlantic. However, what was once potentially a very wet period for the New York City and Philadelphia metropolitan areas is now shaping up to be much drier.
The reason for the [...]
October 7th, 2009 by Steven DiMartino
5:15 AM
A rapidly moving low pressure system will move from the central Great Lakes into New England today, which will send a warm front and cold front through the Philadelphia and New York City metropolitan areas today.
This morning, the warm front will continue to race through the New York City metro with scattered showers producing [...]
September 28th, 2009 by Steven DiMartino
6:54 AM
A strong upper low is developing over the Great Lakes this morning, which will have a lasting influence on the northern Mid Atlantic and much of the Northeast through this week.
A strong cold front is on the march over western Pennsylvania this morning and will continue to press to the east through the afternoon [...]
July 25th, 2009 by Steven DiMartino
6:45 PM
Showers and thunderstorms currently over central Pennsylvania will continue to race to the east ahead of a strong, slow moving cold front. These showers and thunderstorms will impact the forecast area late tonight into early tomorrow morning with periods of heavy rainfall and gusty conditions. These showers and thunderstorms are just a preview to [...]
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 [...]
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 [...]
June 5th, 2009 by Steven DiMartino
7:10 AM
Sometimes in life there are important trade offs that we must make. In terms of weather conditions, the forecast area will go through a very wet, raw Friday to get to two days of exceptional weather conditions this weekend.
This morning, an area of low pressure developing over central North Carolina. As the upper [...]