Sunday, November 1st 2009 Weather Outlook

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

12:00PM

On Sunday, a system will continue to affect the Sotuehast, as a system pushes through the Midwest and Great Lakes. Rain will be likely in portions of the Southeast, as a weak disturbance moves up a cold frotn which pushed through the area on Saturday. In the Midwest and Great Lakes, rain and snow will be possible, as a system moving through Southern Canada affects the area. Below are the thunderstorm and snowfall outlooks for Sunday.

Halloween 2009 Weather Outlook

 

October, 31st Weather Outlook; Northeast/Mid-Atlantic/Southeast System, Northwest/Northern Plains System

11:15PM

On Saturday, a system will push through the Great Lakes and Northeast, while a system affects the Northwest and Plains. Showers and storms will be likely in portions of the Great Lakes, Northeast, Mid-Atlantic and southeast, associated with a system pushing through the great Lakes and into Southern Canada. In the Northwest and Northern Plains, a system moving through Southern canada will affect the area. Rain will be possible associated with this system, with snow being possible in higher elevations in portions of the Rockies and Cascades. Below is the Halloween weather outlook map.

Friday, October 30th 2009 Weather Outlook

Friday’s Weather Outlook; Plains/Midwest/Great Lakes/Mississippi Valley/Ohio Valley System, Northwest System

11:00PM

On Friday, a system will through the Midwest. Showers and storms will be likely in portions of the Plains, Midwest, Great Lakes, Ohio Valley and Mississippi Valley, associated with a system pushing through the Midwest. Some storms may become severe in portions of the Southern Mississippi Valely and Gulf Coast. As Cape values will be up to 2500 J/KG, LI’s up to -5 and Effective Bulk Shear values up to 60KT. The lack of forcing will limit the overall severe threat and coverage. The main threats from any storms that become severe, will be damaging winds, hail and an isolated tornado. Flooding rainfall will be likely in portions of the Missisisppi Valley, due to the high moisture content and training storms. On the northside of the system, accumulating snow will be likely in portions of the Plains and Midwest. Accumulations are likely, with up to 6″ being possible in some areas. High winds may create blizzard conditions at times, with blowing and drifting snow. In the Northwest a new system will push into area. This system will bring the chance of rain the the area, with snow being possible in the highest elevations in portions of the Cascades and Rockies. Below are the thunderstorm and snowfall outlooks for Friday.

Thursdy, October 29th 2009 Weather Outlook

Thursday’s Weather Outlook; Front Range/Plains/Midwest/Great Lakes/Mississippi Valley System, Northwest System

11:30PM

On Thursday, a system will push through the Plains, as a system pushes through the Northwest. Showers and storms will be likely in portions of the Plains, Midwest, Great Lakes and Mississippi Valley, associated with a system pushing through the Plains. There is a slight risk for severe sotrms in portions of Kansas, Oklahoma, Texas, Missouri, Arkansas and Louisiana.  Scattered showers and storms should be ongoign across portions of the risk area during the Morning. In the wake of this activity, Cape values upp get up to around 3500 J/KG, LI’s up to -7 and Effective Bulk Shear values up to 75KT. A line of severe storms will develop druing the Afternoon and Evenign along the cold frotn from Oklahoma down into Texas. This line will push eastward through the Night, with a continued severe threat. Ahead of this line, discrete cells may develop, which may also become severe. The main threats from the severe storms will be damaging winds, hail and an isolated tornado. Flooding rainfall will be likely in portions of the Missisisppi Valley, due to the high moisture content and training storms. On the northside of the system, accumulating snow will be likely from the Front Range up through the Plains. Over 1 foot of snow will be likely in portions of the Front Range, with up to 1 foot of snow in the Plains. High winds will create blizzard conditions at times, with blowing and drifting snow. In the Northwest, a system will continue to push through the area. Rain will be likely, with accumulating snow being likely in portions of the Cascades and Rockies. Below are the severe weather and snowfall outlooks for Thursday.

October 27-30th 2009 Inter-Mountain West/Plains Blizzard

Tuesday-Friday Inter-Mountain Wesy/Plains “Winter” Storm

1:00AM

A powerful system will push through the Inter-Mountain West and Plains, Tuesday into Friday. Heavy snowfall will be likely on the north side of this system from New Mexico up into the Dakotas. Several inches of accumulation can be expected, ranging from up to 12″ in the lower elevations and Plains, to 1-3 feet in the higher elevations where an upslope flow will increase accumulations. High winds will create blizzard conditions at times, with blowing and drifting snow. Below is the snowfall map for this system.

 

Wednesday, October 28th 2009 Weather Outlook

Wednesday’s Weather Outlook; Northeast/Mid-Atlantic System, Inter-Mountain West/Plains System, Northwest System

11:30PM

On Wednesday, a system will push through the Mid-Atlantic, while a system pushes through the Plains, and a new system pushes into the Northwest. Showers and storms will be likely in portions of the Northeast and Mid-Atlantic, associated with a system pushing through the Mid-Atlantic. In the Plains, a system will push into the area from the West. Showers and storms will be likely in portions of the Plains and Inter-Mountain West. Some storms may become severe during the Afternoon and into the Nigh, in portions of the Central and Southern Plains. As Cape values will be up to 2000 J/KG, LI’s up to -5 and Effective Bulk Shear values up to 75KT. The main threats from any storms that become severe, will be damaging winds, hail and an isoalted tornado. On the north side of the system, accumulating snow will be likely in portions of the Rockies and Plains. Several inches of accumulation can be expected int he lower evevations, with over 1-3 feet of snow expected in the higher elevations. High winds may help to create blizzard conditions at times, with blowing and drifting snow. In the Northwest, a new system will pushintot he area. this system will bring the chance of rain to the area, and snow to portions of the Cascades. Below is the thunderstorm and snowfall outlooks for Wednesday.

 

Tuesday, October 27th 2009 Weather Outlook

Tuesday’s Weather Outlook; Mississippi Valley/Ohio Valley/Southeast/Mid-Atlantic/Great Lakes System, West/Plains System

11:15PM

On Tuesday, a system will push up into the Tennesse Valley, while a system continues to push through the West. Showers and storms will be likely in portions of the Mississippi Valley, Ohio Valley, Southeast, Mid-Atlantic and Great Lakes, assocaited with a system pushing through the Tennessee Valley. A few storms may become sever ein portions of the Southeast. As Cape values will be up to 2500 J/KG, LI’s up to -6 and Effective Bulk Shear values up to 60KT. The lack of forcing will limit the overall severe threat and coverage. the main threats from any storms that become severe, will be damaging winds, hail and an isolated tornado. In the West, a system will continue to push through the region. Showers and storms will be likely in portions of the region, with accumulating snow being likely in portions of the Cascades and Rockies. Below are the thunderstorm and snowfall outlooks for Tuesday.

Monday, October 26th 2009 Weather Outlook

Monday’s Weather Outlook; Plains/Mississippi Valley/Great Lakes System, Northwest System

11:30PM

On Monday, a system will push through the Mississippi Valley, while a system continues to push into the Northwest. Showers and storms will be likely in portions of the Great Lakes, Mississippi Valley and Southern Plains, as a system pushes through the Mississippi Valley. A few storms may become severe along the Gulf Coast. As Cape values will be up to 2500 J/KG, LI’s up to -5 and Effective Bulk Shear values up to 50KT. The main threats from any storms that become severe, will be damaging winds, hail and and isolated tornado. In the Northwest, a system will continue to push into the region. rain will be likely over portions of the area, and accumulating snow will be likely in portions of the Rockies and Cascades. Below are the thunderstorm and snowfall outlooks for Monday.

Sunday, October 25th 2009 Weather Outlook

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

12:00AM

On Sunday, a system will continue to push through the Plains, while a new system enters the Northwest. Showers and storms will be likely in portions of the Plains, Midwest and Great Lakes, assocaited with a system pushing through the Plains. Some storms may become severe in portions of the Southern Plains. As Cape values will be up to 2500 J/KG, LI’s up to -7 and Effective Bulk Shear values up to 55KT. The lack of forcing will limit the overall severe threat and coverage. The main threats from any storms that become severe, will be damaging winds, hail and an isolated tornado. On the backside of the system, accumulating snow will be likely in portions of the Blacks Hills in South Dakota and Wyoming, also along the Front Range of the Rockies in Colorado and New Mexico. In the Northwest,  a new system will push intot he area. Bringing a chance of rain to the area, snow will be possible in the higher elevations of the Cascades and Rockies. Below are the thunderstorm and snowfall outlooks for Sunday.

Saturday, October 24th 2009 Weather Outlook

Saturday’s Weather Outlook; Northeast/Mid-Atlantic/Southeast System, Plains/Midwest System

11:15PM

On Saturday, a system will push from the Grea Lakes and into Southern Canada, while a system pushes through the Plains. Showers and storms will be likely in portions of the Northeast, Mid-Atlantic and Southeast, associated with the system pushing into Southern Canada. A few storms may become severe along and ahead of the cold front from New York down into the Carolinas. As Cape values will be up to 500 J/KG, LI’s up to -3 and Effective Bulk Shear values up to 50KT. The main threats from any storms that become severe, will be damaging winds, hail and an isolated tornado. In the Plains, a system will move into the area from the West. Showers and storms will be likely in portions of the Plains and Midwest associated with this system. Some snow will be possible on the north side of this system, in portions of the Northern Plains and Northern Midwest. Below are the thunderstorm and snowfall outlooks for Saturday.