Friday, October 9th 2009 Weather Outlook

8 10 2009

Friday’s Weather Outlook; Mississippi valley/Southeast/Ohio Valley/Great Lakes/Mid-Atlantic/Northeast System, Inter-Mountain West/Plains/Midwest System

11:15PM

On Friday, a system will push up through the Ohio Valley, as a system pushes through the Plains. Showers and storms will be likely in portions of the Mississippi Valley, Great Lakes, Ohio Valley, Southeast, Mid-Atlantic and Northeast, associated with a system pushing up through the Ohio Valley. There is a slight risk for severe storms in portions of Ohio, West Virginia, Kentucky,Virginia, Tennessee, North Carolina, South Carolina, Georiga, Florida, Alabama, Mississippi, Arkansas, Louisiana and Texas. A line of storms will be ongoing in the Morning from the Gulf Coast up into the Ohio Valley. These storms will strengthen and become severe during the day, as they push eastward into an unstable airmass. As Cape values will be around 1000-2500 J/KG, LI’s up to -7 and Effective Bulk Shear values up to 65KT. This line of storms will continue to push eastward into the night, with some severe threat. The main threats from any storms that become severe, will be damaging winds, hail and an isolated tornado. In the Plains, a system will push through the area. Rain and snow will be likely in portions of the Plains and Midwest, where some snow accumulations will be possible. Snow will be likely in portions of the Rockies, where higher accumulations are likely. Below are the thunderstorm and snowfall outlooks for Friday.

sev 682

snow 16