Saturday, July 18th 2009 Weather Outlook

Saturday’s Weather Outlook; Great Lakes/Northeast/Southeast/Plains System

1:00AM

On Saturday, a system will continue to slowly push through towards the Northeast. Showers and storms will be likely across portions of  the Great Lakes, Northeast, Southeast, and Plains, associated with this system. There is a slight risk for severe storms over portions of Colorado, Kansas, Oklahoma, Texas and New Mexico. CAPE values will be around 2500 J/Kg, LI’s of -6 and Effective bulk Shear values of 30-70KT. Severe storms will develop during the Afternoon along the Front Range along and near a statoinary front as an upsloap flow will be in place. These storms will push southeast into through the Afternoon and Evening. The storms may grow upscale into and MCS across portions of New Mexico and Texas, as it continues southeast into the Night with a continued severe threat. The main threats from the severe storms will be damaging winds, hail and an isolated tornado. Further east along the front along portions of the Gulf Coast and Southeast; CAPE values will be around 2500 J/KG, LI’s of -6 and Effective Bulk Shear values up to 35KT. Given the amount of instibility, a few sotrms may become severe. The threat will be limited as shear and forcing will be low, which will preclude a slight risk from being issued. The main threats from any storms that become severe, will be damaging winds and hail. Across portions of the Desert Southwest, Afternoon pop up showers and storms will be likely. With limited instibility and shear, a few storms may become severe. With the main threats being hail and damaging winds. Below is the severe weather outlook for Saturday.