Thursday, April 30th 2009 Weather Outlook

29 04 2009

Thursday’s Weather Outlook; West/Plains/Great Lakes/Northeast/Mississippi Valley System, West System

11:00PM

On Thursday, a system will continue to push east through the Midwest. Showers and storms will be possible in portions of the Plains, Mississippi valley, Northeast and Great Lakes. There is a slight risk for severe storms in portions of Kansas, Oklahoma, Texas, Missouri, Illinois, Kentucky, Tennesse, Mississippi and Arkansas. CAPE values will be around 3000 J/KG, LI’s of -8 and Effective Bulk Shear values of 30-55KT. This along with a system pushing through the area, will help storms become severe. In the Afternoon, severe storms will develop along a cold front associated with the system in the Midwest. These storms will push eastward into the Night before weakening. On the north side of the system, snow will be possible in portions of the Northwest and Northwestern Plains. In the West, showers will move onto the West Coast, associated with a new system moving in. Below is the severe weather and snowfall outlook for Thursday.

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