January 7th, 2009 by Steven DiMartino
8:41 PM
I can tell the excitement is building for Saturday based on the emails that have flooded my inbox this afternoon. Yes, the model guidance, and I mean all model guidance, is picking up on the potential for the Alberta Clipper on Saturday.
Before we get into the model guidance, let’s get back to the basics [...]
August 15th, 2008 by Steven DiMartino
Two areas of focus for severe weather today. The first is over the Mid Atlantic and southern New England. The second is over the southern Plains and southeastern Rocky Mountains.
The culprit behind the severe weather in the Mid Atlantic and southern New England is a developing upper level low and trough that will move [...]
August 14th, 2008 by Steven DiMartino
The main threat for severe weather will remain over the southern Plains as a strong upper low and jet maximum produces strong vertical wind shear over the region. Although the low level clouds may inhibit instability initially over the region, by the afternoon the cap should be broken with a significant threat for large hail, [...]
August 13th, 2008 by Steven DiMartino
Two areas of focus today for the severe weather.
The first is over the Southeast coast. South Carolina and Georgia will be in the warm sector of a developing low pressure system over northwestern Georgia. A strong upper disturbance will dig and turn through the forecast area which will produce strong lifting over the region. [...]
August 11th, 2008 by Steven DiMartino
The most organized area of severe weather will be found over the north-central Plains. A trough will dig into the region, which will send a series of strong disturbances south through much of the area. As a result, wind shear will increase as cold temperatures aloft combine to destabilize the atmosphere. The strongest thunderstorms will [...]
August 5th, 2008 by Steven DiMartino
The bulk of the severe weather will be concentrated around the Mid West, Ohio Valley, eastern Great Lakes, and eventually the Mid Atlantic.
A trough will continue to dig into the eastern United States with a series of strong mid level disturbances moving through the areas described above. The strong disturbances will enhance the thunderstorms [...]