SPC 1730Z Day 2 Outlook

Day 2 Outlook Image

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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