Sunday, July 5th 2009 Weather Outlook

5 07 2009

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

12:00PM

On Sunday, a system will push through the Southeast, while a system oushes through the Great Lakes and a system develops in the West. Showers and storms will be likely across portions of the Southeast, Southern Mississippi Valely and Southern Plains, associated with a system pushing through the Southeast. There is a slight risk for severe storms in portions of Texas, Arkansas, Louisiana, Mississippi, Alabama, Georiga and South Carolina. CAPE values will be around 3500 J/Kg, LI’s of -7 and Effective Bulk Shear values up to 40KT. Severe storms will develop along and ahead of a front from South Carolina back into Texas. These storms will push eastward into the Evening, before weakening as diurnal cooling sets in. The main threats from the severe storms will be damaging winds, hail and an isolated tornado. In the Great Lakes, a weak trough will move through. Showers and storms assocaited with the trough, some of which may be severe. CAPE values iwll be around 1500 J/KG, LI’s of -4 and Effective Bulk Shear values up to 45KT. This will along with the trough, will help a few storms become severe. The lack of instibility, will preclude a slight risk from being issued. In the West, a new system will begin to develop across the region. Shoers and storms will be likely in portions of the West and Western Plains, associated with this developing system. There is a slight risk for severe storms in portions of New Mexico, Texas, Oklahoma, Colorado, Kansas, Nebraska, Wyoming, North Dakota, South Dakota and Montana. CAPE values will be around 2000 J/Kg, LI’s of -7 and Effective Bulk Shear value sup to 50KT. This along with the developing system in the area, will help storms become severe. Severe storms will develop in the Afternoon across portions of the Western Plains and Front Range. These storms will push southeast and eastward into the Evening, before weakening as diurnal cooling sets in. The main threats from the severe storms will be damaging winds, hail and an isolated tornado. Across portions of the Inter-Mountain West, with limited instibility. A few storms will become severe, with the main threats being hail and damaging winds. Below is the severe weather outlook for Sunday.

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