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Day 3 Outlook 0830Z Probablistic 0830Z
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Categorical Day3 0830Z Outlook
  
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 Forecast Discussion

000 ACUS03 KWNS 230820 SWODY3 SPC AC 230819 Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0219 AM CST Fri Feb 23 2018 Valid 251200Z - 261200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE LOWER MISSISSIPPI VALLEY NORTHEASTWARD INTO PARTS OF WESTERN AND NORTHERN GEORGIA... ...SUMMARY... Thunderstorms associated with a few strong wind gusts will be possible on Sunday from the Texas Gulf Coast east-northeastward across the central Gulf Coast states into western and northern Georgia. ...Central Gulf Coast States/Northern and Western Georgia... An upper-level trough is forecast to move quickly eastward into the Great Plains on Sunday as southwest mid-level flow remains over most of the eastern half of the nation. At the surface, a cold front is forecast to move into the Gulf Coast states and stall out around midday. Ahead of the front, surface dewpoints should be in the lower to mid 60s F. This along with surface heating just ahead of the front should result in a corridor of weak instability. The weak instability is forecast to overlap 0-6 km shear in the 55 to 65 kt range. The combination of weak instability and strong deep-layer shear may be enough for brief marginally severe wind gusts near peak heating. ..Broyles.. 02/23/2018 $$