Wednesday, June 24th 2009 Weather Outlook

Wednesday’s Weather Outlook; West/Plains/Mississippi valley/Great Lakes/Southeast System, Northeast System

12:30AM

On Wednesday, a system will continue to affect the Northeast Coast, while a system continues to push through the Plains. Showers and isolated storms will be possible along the Northeast Coast, as a system continues to push along the coast. In the Plains a system will continue to push eastward, bringing showers and storms to portions of the West, Plains, Great Lakes, Mississippi Valley and Southeast. There is a slight risk for severe storms over portions of Nebraska, Kansas,Missouri, Iowa, Minnesota, Wisconsin and Illinois. CAPE values will be around 5000 J/KG, LI’s of -12 and Effective Bulk Shear values of 30-60KT. This along with the system in the area, will help storms become severe. Sstorms will develop in the Afternoon from Nebraska and the Dakotas back into Iowa and Missouri. These storms would push eastward into the Evening, storms may form into one or two MCS’s and continue eastward over night with a severe threat. The main threat from the severe storms will be damaging winds, hail and an isoalted tornado. Across the Great Lakes; CAPE values iwll be around 3000 J/KG, LI’s of -8 and Effective Bulk shear values up to 35KT. Some storms may become severe across the area. The lack of shear will preclude a slight risk from being issued. Across portions of the Mississippi Valley and Southeast; CAPE values will be around 3000 J/KG, LI’s of -5 and Effective Bulk Shear values up to 35KT. Given the lack of shear, the severe threat will remain limited, which will preclude a slight risk from being issued. The main threats from any storms the may become severe, will be hail and damaging winds. Below is the severe weather outlook for Wednesday.