SPC 0700Z Day 2 Outlook

Day 2 Outlook Image

Day 2 Convective Outlook RESENT 1
NWS Storm Prediction Center Norman OK
1216 AM CST Thu Dec 10 2020

Valid 111200Z - 121200Z

...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS EAST TEXAS...

...SUMMARY...
Thunderstorms associated with marginally severe wind gusts will be
possible on Friday across parts of east Texas.

...East Texas...
An upper-level trough will move eastward from the southern Rockies
into the southern High Plains on Friday. At the surface, a cold
front will advance southward into the southern Plains as low-level
moisture return takes place across the eastern third of Texas.
Surface dewpoints should reach the lower 60s F across the Texas
coast and much of east Texas by afternoon. However, the moist layer
should remain shallow keeping instability weak near the moist axis.
In spite of the weak instability, thunderstorms appear likely to
develop during the afternoon ahead of the front to the west of a 40
to 50 kt low-level jet. Convective coverage will increase by late
afternoon as a band of strong large-scale ascent, ahead of the
approaching upper-level trough, moves eastward across east Texas.
SBCAPE near 500 J/kg combined with 0-6 km shear of 50 to 60 kt may
support a marginal wind-damage threat with the stronger cells along
the moist axis. Any potential for strong wind gusts should diminish
quickly as convection moves into the Sabine River Valley during the
early evening.

..Broyles.. 12/10/2020

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