Sunday, May 3rd 2009 Weather Outlook

3 05 2009

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

1:15AM

On Sunday, a system will continue to push eastward into the Mississippi Valley, while a system continues to affect the West. Showers and storms will be likely in portions of the Southern Mississippi Valley, Southeast and Mid-Atlantic. There is a moderate risk for severe storms in portions of  Texas, Arkansas, Mississippi, Alabama and Georiga, with a slight risk in surrounding areas. CAPE values will be around 2500 J/KG, LI’s of -5 and Effective Bulk Shear values of 35-60KT. This along with a system pushing through, will help storms become severe. An MCS will be ongoing in portions of Arkansas, Louisiana and Mississippi in the Morning. Some of these storms may become severe. Another line of severe storms is expected to develop along the cold front in portions of Eastern Texas and Louisiana in the Morning. These storms will develop into a derecho, which will push eastward into the Evening before weakening. The main threats from the severe storms will be damaging winds, hail and some tornadoes. In the West, a system will continue to affect the region. Showers and storms will be possible across portions of the region. With limited instibility, a few storms may become severe. With the main threats beign hail and damaging winds. Below is the severe weather outlook for Sunday.

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