Monday, June 29th 2009 Weather Outlook

Monday’s Weather Outlook; West/Plains System, Southeast/Northeast/Great Lakes System

12:00PM

On Monday, a system will continue to sit across the Great Lakes. Showers and storms will be likely over portions of the Southeast, Northeast and Great Lakes, as a vertically stacked low slowly moves through the Great Lakes. A few storms may become severe in portions of South Carolina, Florida, Alabama, Georiga, Mississippi, Lousiana and Texas. CAPE values will be around 4000 J/KG, LI’s of -7 and Effective Bulk Shear values up to 35KT. The lack of shear and major forcing will lead to a limited severe threat, which will preclude a slight risk from being issued. Across portions of the West and Plains, a stationary boundary will be sitting over portions of the area. Some of the storms may become severe across portions of the West and Plains. CAPE values will be around 1500 J/KG, LI’s of -6 and Effective Bulk Shear values of 20-50KT. the lack of any system and associated forcing will limit the severe threat, this will preclude a slight risk from being issued. Below is the thunderstorm outlook for Monday.