Saturday, May 2nd 2009 Weather Outlook

2 05 2009

Saturday’s Weather Outlook; Plains/Mississippi Valley/Southeast/Mid-Atlantic System, West System


On Saturday, a system will continue to affect the West, while a system continues to affect the Soutnern Plains into the Southeast. Showers and storms will be possible along and around a front boundary from the Southern Plains into the Southeast, associated with the system which exited the region on Friday. There is a moderate risk for severe storms in portions of  Texas, Arkansas, Louisiana, Mississippi, and Alabama, with a slight risk in surrounding areas. CAPE values will be around 2500 J/KG, LI’s of -8 and Effective Bulk Shear values around 35-60 KT. This along with the frontal boundary in the area, will help storms become severe. Severe storms will develop in the afternoon along and around the front. Three to four bow echos along with discrete cells will track through the moderate risk area, with an enhanced severe potential. These storms will push eastward through into the Night, before weakening. In the West, a system will continue to affect the region. Showers and storms will be possible in the lower elevations and snow in the higher elevations. With limited instibility, a few storms may become severe. With the main threats being hail and damaging winds. Below is the severe weather outlook for Saturday.




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