SPC 1730Z Day 2 Outlook

Day 2 Outlook Image

Day 2 Convective Outlook  
NWS Storm Prediction Center Norman OK
1152 AM CDT Sat Oct 12 2019

Valid 131200Z - 141200Z


Isolated to widely scattered thunderstorms are possible on Sunday
mainly across portions of the Gulf Coast and eastern U.S. from
Alabama to the Chesapeake Bay. Severe storms are not anticipated.


Closed upper low will continue slowly through the Great Lakes and
southeastern Canada Sunday. A shortwave trough now moving into the
southwestern U.S. will deamplify as it accelerates through the
Southeastern States. Early Sunday a stalled front should extend from
southeast VA southwest into the western Gulf and is forecast to move
very slowly northwestward during the period. Weak instability will
reside in vicinity of this boundary with 300-500 J/kg MLCAPE inland.
The primary zone of thunderstorm development is expected during the
afternoon from central AL into the Carolinas as the progressive
shortwave trough interacts with the front. Additional thunderstorms
are expected later Sunday night along the TX and LA coasts within
zone of weak destabilization and isentropic ascent north of the warm
front that will be situated over the northwestern Gulf.

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