SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1058 AM CST Fri Nov 27 2020 Valid 281200Z - 291200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Organized severe thunderstorms appear unlikely across the contiguous United States on Saturday. ...Synopsis... A mid/upper low and attendant shortwave trough will eject from the southern Rockies to the southern Plains on Saturday. As the trough emerges over the Plains late in the period, a weak surface low will develop along the middle/upper TX coast toward southwest LA, allowing a stalled cold front to surge eastward across southern TX to the Sabine River vicinity. Meanwhile, a warm front will remain draped west-to-east from the surface low over southwest LA to near the FL/GA border. Showers and thunderstorms are likely across much of eastern TX into the Ozark Plateau and lower MS Valley in this warm advection regime ahead of the upper trough. While a couple of strong storms are possible near the TX Gulf coast, instability will be limited over land by cloud cover/poor heating and widespread precipitation, and any severe potential is expected to remain offshore. ..Leitman.. 11/27/2020
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