SPC Mar 20, 2017 0730 UTC Day 3 Severe Thunderstorm Outlook

By Newsroom America Feeds at 20 Mar 2017

SPC 0730Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0213 AM CDT Mon Mar 20 2017 Valid 221200Z - 231200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms may develop across parts of the Intermountain West and southeastern states on Wednesday. Isolated thunderstorms will also be possible in the central Plains Wednesday night. No severe threat is expected. ...DISCUSSION... An upper-level ridge will move eastward across the Great Plains on Wednesday as an upper-level trough approaches the West Coast. Ahead of this upper-level trough, large-scale ascent and steep lapse rates across much of the Intermounain West will make thunderstorms possible across a large area Wednesday afternoon. Isolated thunderstorms may also develop along a cold front in parts of Alabama, Georgia and Florida during the day. Low-level flow is forecast to markedly increase Wednesday night in the southern and central Plains where elevated thunderstorms will be possible mainly in Kansas and Nebraska. No severe threat is expected across the United States on Wednesday or Wednesday night. ..Broyles.. 03/20/2017 Read more

http://www.spc.noaa.gov/products/outlook/day3otlk_0730.html

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