Tag Archive for 'upper low'
July 3rd, 2009 by Steven DiMartino
8:00 AM
The upper level environment throughout the Tropical Atlantic is becoming more favorable for development this morning. An upper low is slowly moving east through the western Caribbean this morning, touching off scattered showers and thunderstorms. The upper low will continue to move to the east towards the Yucatan Peninsula by this evening. No development [...]
July 2nd, 2009 by Steven DiMartino
6:54 AM
A strong upper low over the central Caribbean is moving to the west this morning. Strong upper and mid level shear will continue to prevent any tropical development in the Caribbean over the next 48 hours. The Gulf of Mexico also remains quiet as surface high pressure will produce clear conditions through the next [...]
October 23rd, 2008 by Steven DiMartino
10/23/08 7:54 AM
TODAY THROUGH SATURDAY:
A strong ridge is in place over the forecast area, which will continue to produce clear skies and rather cool temperatures over the next 24 hours. However, the upper level pattern remains volatile and ever changing as we progress through this month!
A very strong and impressive upper low from the [...]
October 22nd, 2008 by Steven DiMartino
10/22/08 7:40 AM
TODAY THROUGH WEDNESDAY:
The forecast area will be in between two strong storms for the next 66 hours, which means strong high pressure will move over the forecast area. Strong convergence and confluence at 500 MB over eastern Ontario and western Quebec will support a strengthening Canadian high pressure over the forecast area.
Winds [...]
September 30th, 2008 by Steven DiMartino
The local forecast discussion is updated.
The weather pattern is become volatile once again as a cold front will drive through the forecast area over the next 36 to 48 hours. The upper level pattern will be changing again, but most won’t notice with the conditions expected through the rest of the week.
The following themes [...]
September 29th, 2008 by Steven DiMartino
The local forecast discussion is updated.
After a few more lingering showers leave the area over Long Island and Connecticut, clearing skies will dominant along with slowly falling dew points. A strong cold front will bring much cooler conditions to the forecast area by Wednesday and then quiet conditions return for some time once again.
The [...]
September 26th, 2008 by Steven DiMartino
To the left is an image of the two low pressure systems that is or will impact the forecast area. The upper low and surface reflection is over the boarder of South Carolina and North Carolina, while Tropical Storm Kyle is positioned over the Tropical Atlantic.
Now notice that Kyle’s convective structure is being elongated from [...]
August 27th, 2008 by Steven DiMartino
The local forecast discussion is updated!
Looks like the upper low will win out versus the remnants of Fay over the southern Mid Atlantic as I’m going with a drier forecast than what I thought last night. The question was never strength, but position of the upper low, which model guidance had a difficult time handling. [...]
August 12th, 2008 by Steven DiMartino
The local forecast discussion is updated.
The main story this morning is the departing low pressure system over southern New England, which is producing a northwesterly wind over the region. As a result, drier air is building into the forecast area through the day with clear skies. I can’t rule out an isolated shower with the [...]
August 3rd, 2008 by Steven DiMartino
Well all the usual forecast products are done including the technical forecast discussion. I hope you enjoy them!
Now, I want to talk about what this trough in the East means from the perspective of tropical weather and the fall pattern.
I don’t like to put a ton of weight on what happens in August will [...]