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Helping Business Weather the Storm

National Weather Summary for Monday, May 23, 2016

by David Moran, on May 23, 2016 10:53:02 AM

No WeatherOps hazards are currently in effect, however, severe thunderstorms are expected Monday through Thursday across portions of the Midwest and into the Plains.

 

US Hazards Monday, May 23, 2016

US Hazards

 

Severe Thunderstorms Likely for portions of the Upper Midwest and Plains on Monday

A broad trough of low pressure will remain over the western US with the upper low over southern Canada. Thunderstorms will develop during the early to late afternoon across portions of the Midwest and Central Plains. As thunderstorms develop, small hail and damaging winds will be the primary hazards.

 

Further south across the Southern Plains, thunderstorms will develop late afternoon to early evening from the Kansas border into northwest Texas. As thunderstorms develop, hail larger than 2.5 inches in diameter, damaging winds, and tornadoes will be possible.

 

Storms will continue to progress eastward after dark with a wind threat across Iowa and northwest Missouri. A secondary wind and hail threat with potential for a couple of tornadoes will be possible as activity in western Oklahoma approaches central Oklahoma before midnight. 

 

Severe Risk Outline for Monday, May 23, 2016

Severe Thunderstorm Risk Outline for Monday

 

Severe Thunderstorms Likely for Central and Southern Plains on Tuesday

With deep moisture and moderate instability across portions of the Central and Southern Plains to the south of a stationary front and to the east of a dryline over the Texas and Oklahoma Panhandles. Showers and thunderstorms, some severe, will develop later in the day with large hail, damaging winds, and tornadoes possible across portions of Kansas, Oklahoma, and Texas. A secondary risk for thunderstorms will exist across portions of Nebraska and Iowa. After dark, storms to the north may track into Missouri with damaging winds the primary hazard. 

 

SPC Convective Outlook for Tuesday, May 24, 2016

SPC Convective Outlook for Tuesday

 

Severe Thunderstorms Likely for Central and Southern Plains Wednesday and Thursday

On Wednesday, a risk for severe weather will exist; however, some questions remain to the extent of storm coverage.  An area of low pressure should be situated over Nebraska with a dryline extending southward and a stationary front extending eastward from a surface low over Nebraska.  It’s within close proximity of the center of the low pressure where the greatest likelihood of storms will develop.  A conditional risk for additional storm activity will stretch along the front to the east over Iowa and also along the dryline to the south in Kansas and possibly northern Oklahoma.  Any storms that do develop will pose a risk for very large hail, damaging wind gusts, and tornadoes.

 

The risk for significant severe weather will increase substantially by Thursday, as a stubborn trough over the western US finally ejects eastward and across the Central and Southern Plains.  Very strong vertical wind shear and moderate to extreme instability from Kansas into Texas will support explosive thunderstorm development with the potential for very large hail, damaging wind gusts, and tornadoes.  Given the forecasted parameters, some strong tornadoes cannot be ruled out.  Small details will likely change over the coming days, but confidence is increasing in significant severe weather potential across the Southern Plains on Thursday.

 

Severe Thunderstorm Risk Outline for May 25 and 26, 2016

Severe Thunderstorm Risk Outline for May 25 and 26

Topics:WeatherOps

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