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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Wednesday, April 29th 2009 Weather Outlook

29 04 2009
Wednesday’s Weather Outlook; West/Plains/Midwest/Mississippi Valley System, Mid-Atlantic System
11:00PM
On Wednesday, a system will exit the Mid-Atlantic, while a system pushes into the Plains. Showers and isolated storms will be possible in portions of the Mid-Atlanit, as a system exits the area. In the Plains, a system will enter the region from the West. Showers and storms will be possible in the Plains, Midwest and Mississippi Valley, along and ahead of the approaching system. There is a slight risk for severe storms in portions of Nebraska, Kansas, Colorado, Oklahoma, Texas, Arkansas and Louisiana. CAPE values will be around 3500 J/KG, LI’s of -8 and Effective Bulk Shear Values of 40-60KT. This along with a system pushing through the area, will help storms become severe. An MCS will be ongoing in the Morning across portions of Texas and Oklahoma. Severe storms will be possible with this storm complex as it pushes eastward into the Night. Another line of severe storms will develop from Nebraska down into Texas in the Afternoon. These storms will push eastward through the Evening, before Weakening Overnight. The main threats from the severe storms will be hail, damaging winds and a few tornadoes. On the north side of the system, snow will be likely in the higher elevations of the Northwest. Below is the severe weather and snowfall outlook for Wednesday.

sev-454

 

snow-251





Tuesday, April 28th 2009 Weather Outlook

28 04 2009

Tuesday’s Weather Outlook; Plains/West System, Northeast/Mississippi Valley System

12:00PM

On Tuesday, a system will push into the Northeast, while a system continues to push through the West. Showers and storms will be possible along and ahead of a system pushing through the Northeast and Mississippi valley. In the West, a system will continue to push eastward through the region. Showers and storms will be possible in the lower elevations and snow in the higher elevations. In the Southern Plains, showers and storms will also be possible near a warm front retreating north ahead of the West system. With limited instibility, some storms may become severe in portions of  Texas and New Mexico. The Main threats will be hail, damaging iwnds and an isolated tornado. Below is the thunderstorm and snowfall outlook for Tuesday.

sev-452

snow-250





Monday, April 27th 2009 Weather Outlook

27 04 2009

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

12:00PM

On Monday, a system will continue to push eastward into the Great Lakes, while a new system enters the Northwest. Showers and storms will be possible in portions of the Great Lakes, Mississippi Vallet and Plains, as a system pushes through. Debris clouds and remaining convection from storms the Sunday Night and Monday Morning will limit the severe weather potential, compared to the past few days. With limited instibility, some storms may become severe on the southern part of the cold front pushing through the region from the system further north. This potential will exist from Illinois dwon into Texas. The main threats fromt he severe storms will be hail, damaging winds and an isolated tornado. In the Northwest, a new system will push onshore into the region. showers and storms will be possible in the lower elevations and snow in the higher elevations. Below is the thunderstorm and snowfall outlook for Monday.

sev-451

snow-249





Sunday, April 26th 2009 Weather Outlook

26 04 2009

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

12:00PM

On Sunday, a system willc ontinue to push slowly east through the Plains. Showers and storms will be likely in portions of Plains, Midwest, Great Lakes, Northeast and West associated with the system. There is a moderate risk for severe storms in portions of Texas, Oklahoma, Kansas, Missouri, Nebraska and Iowa, with a slight risk in surrounding areas. CAPE values will be around 3000 J/KG, LI’s of -8, Effective Bulk Shear values of 40-60KT and EHI values up to 7. This along with a system psuhing through, will help storms become severe. Severe storms will develop in the middle of the day from Texas up into Iowa. These storms will push northeast into the Evening, before weakening overnight. The main threats fromt he severe storms will be hail, damaging winds and tornadoes. On the north side of the system, snow will be possible in the higher elevations on the West and in the Northern Plains. Accumulations are likely. Below is the severe weather and snowfall outlook for Sunday.

sev-448

snow-248





Sunday, April 25th 2009 Weather Outlook

25 04 2009

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

1:00AM

On Sunday, a system will continue to slowly push eastward through the Plains. Showers and storms will be possible over portions of the Northeast, Great Lakes, Mississippi Valley, Plains and the lower elevations of the West. There is a moderate risk for severe storms in portions of Kansas, Texas and Oklahoma, with a slight risk from Michigan down into Missouri. CAPE values will be around 2500 J/KG, LI’s of -7 and Effective Bulk Shear values of 30-50KT. This along with a system pushing through, will help storms become severe. Severe storms will develop along a frontal boundary from Michigan down through Missouri and into Oklahoma. These storms will push northeast through the Night, before weakening. The main threats from the severe storms will be hail, damaging winds and tornadoes. On the north side of the system, snow will be possible in the higher elevations of the West. Below is the severe weather and snowfall outlook for Saturday.

sev-446

 

snow-247





Friday, April 24th 2009 Weather Outlook

23 04 2009

Friday’s Weather Outlook; West/Plains/Mississippi Valley/Southeast System

12:30AM

On Friday, a system will continue to push slowly eastward through the Plains. Showers and storms will be likely along and ahead of the system in portions of the West, Plains, Mississippi Valley and Great Lakes. There is a slight risk for severe storms in portions of Minnesota, Wiscosnin, Michigan, Iowa and Nebraska. CAPE values will be around 3000 J/KG, LI’s of -7, Effective Bulk Shear values of 30-50KT and dew points in the 60’s. This alond with a system psuhing through, will help storms become severe. Storms should fire along the front from Minnesota down through Iowa and Nebraska in the Evening, as the CAP breaks. storms will continue eastward into the Night, before weakening. In portions of Texas, Oklahoma and Arkansas, a weak wave will move through. This will help in developing showers and storms. With limited instibility, a few storms may become severe. In portions of Georiga, South Carolina and North Carolina, a weak wave will also be moving through. Showers and storms will be possible. With limited instibility, a few storms may become severe. The main thretas from the severe storms will be hail, damaging winds and some tornadoes. On the north side of the system in the Northwest, snow will be possible in the higher elevations. Below is the severe weather and snowfall outlook for Friday.

 

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