Sunday, June 7th 2009 Weather Outlook

7 06 2009

Sunday’s Weather Outlook; Southeast System, West/Plains/Midwest/Great Lakes System

12:00PM

On Sunday, a system will continue to affect the Southeast, while a system slowly pushes through the Plains. Showers and storms will be likely across portions of the Southeast, as a system exits the region. With limited instibility, a few sotmrs may become severe. With the main threats being hail and damaging winds. In the Plains, a system will slowly work through the region. Showers and storms will be likely across portions of the West, Plains, Midwest and Great Lakes, associated with this system. There is a moderate risk for severe storms in portions of Kansas, Nebraska, Iowa and Missouri. With a slight risk for severe storms in portions of Wyoming, Colorado, Nebraska, Iowa, Illinois, Missouri, Kansas, Oklahoma and Texas. Along the cold from Iowa and Nebraska down through Kansas and into Texas; CAPE values will be around 4500 J/KG, LI’s of -11 and Effective Bulk Shear values of 40-80KT. This along with the system pushing through, will help storms become severe. Whenthe CAP breaks in the Afternoon, severe storms will develop from Nebraska down into Kansas. These storms will push eastward through the Afternoon, with a tornado potential. By Evening, storms should form into an MCS and race eastward through the Night, with a continued severe threat. Other severe storms will develop in th eEvening from Oklahoma down into Texas. These storms will last several hours before weakening. Along the tail end of the frontal boundary in portions of Wyoming, Colorado and Nebraska; CAPE values will be around 2000 J/KG, LI’s of -5 and Effective Bulk Shear values of 30-65KT. this along witht he system pushing through, will help storms become severe. Severe storms will develop in the Afternoon across portions of Southeast wyoming and Northern Colorado. these storms will push eastward through the Evening, before weakening as Diurnal Cooling sets in. The main threats from the severe storms will be hail, damaging winds and tornadoes. Below is the severe weather outlook for Sunday.

sev 519

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