Tag Archive for 'southwesterly flow'
January 31st, 2010 by Steven DiMartino
9:45 AM
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Yesterday, a Sub Tropical disturbance intensified over the Tennessee Valley and enhanced a surface low that moved from the Gulf Coast to the North Carolina coastal waters by Saturday evening.
The forecasting of this storm via model guidance was relatively poor for portions of Southern New Jersey as most guidance had less than four [...]
January 24th, 2010 by Steven DiMartino
9:26 AM
There is no doubt that heavy rain is on the way as a significant surge of moisture races north ahead of a powerful cold front.
Clouds will continue to increase and lower through the day as a strong southwesterly flow from the surface to mid levels pushes a warm and moist air mass into the [...]
January 22nd, 2010 by Steven DiMartino
7:49 AM
This morning we have an excellent example of why winter storms are so hard to come by in the northern Mid Atlantic and why all features must be in place just right. In this case, the Sub Tropical disturbance certainly delivered with an energetic and impressive storm developing off the North Carolina coast. A [...]
January 12th, 2010 by Steven DiMartino
7:07 AM
This morning, a cold front is moving through the northern Mid Atlantic with scattered flurries throughout the New York City and Philadelphia metropolitan area. The cold front associated with these flurries is not very well defined and the majority of the cold air advection and isolated precipitation is being driven by an upper level [...]
December 12th, 2009 by Steven DiMartino
7:40 AM
This is why I love winter, and we aren’t even at the meteorological start of winter (December 21), because there is so much to talk about and so much to cover. Sometimes it is a bit overwhelming on where to start, but of course lets start with the here and now!
This morning, much of [...]
November 7th, 2009 by Steven DiMartino
8:48 AM
For the first time in a while, I can actually say there is no threat of rain of any kind through this weekend, and frankly that’s nice to say. High pressure will dominate the northern Mid Atlantic through Monday with dry conditions, clear skies, and temperatures rebounding to near and above normal temperature regimes!
Another [...]
October 21st, 2009 by Steven DiMartino
6:53 AM
A storm is clearly developing over the southern Rockies this morning as moisture from a rapidly weakening Tropical Storm Rick becomes entrained into the strong upper low and deep trough over the Southwest. Meanwhile, a ridge continue to build into the Mid Atlantic from the Gulf Coast and Southeast.
High pressure will continue to move [...]
October 19th, 2009 by Steven DiMartino
6:30 AM
After a wet and cool weekend, the weather will turn to a much brighter and warmer outlook as high pressure takes hold from the Tennessee Valley.
This morning, yet another low pressure is developing over the coastal waters of the Mid Atlantic. However, this time the upper level trough axis is positioned off the coast [...]
October 8th, 2009 by Steven DiMartino
5:15 AM
The cold front that moved through the forecast area yesterday is the first of several disturbances that will continue the step down to a cool, fall regime over much of the Mid Atlantic and especially the Philadelphia and New York City metropolitan areas.
By this afternoon, a ridge axis will move over the forecast area [...]
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 [...]