SPC 0730Z Day 3 Outlook

Day 3 Outlook Image

Day 3 Convective Outlook  
NWS Storm Prediction Center Norman OK
0215 AM CDT Mon Oct 26 2020

Valid 281200Z - 291200Z

...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PORTIONS OF
THE CENTRAL GULF COAST STATES...

...SUMMARY...
A risk for thunderstorms potentially capable of damaging gusts
and/or a tornado is most probable over parts of the central Gulf
Coast states on Wednesday and Wednesday night in association with
Zeta.

...Synopsis...
A mid-level low will move eastward from eastern NM into OK while
tropical cyclone Zeta makes landfall on the central Gulf Coast. 
Zeta will move north, then northeast and merge with the baroclinic
regime over the lower MS Valley.  Refer to the National Hurricane
Center forecasts for the latest track updates.  

The potential for severe is focused on the inland penetration of a
tropical airmass into the coastal plain of the central Gulf Coast
states.  At this point, the severe forecast is subject to
potentially large spatial adjustments based on large uncertainty in
the eventual track of tropical cyclone Zeta.  Zeta is forecast to
move ashore and subsequently accelerate northeast across parts of
the South late Wednesday night.  However, it seems plausible at this
point for highlighting the central Gulf Coast with potential
tornado/damaging-gust hazards.  Hodographs will enlarge during the
day and sufficient buoyancy will likely develop near the coast and
gradually spread inland into interior AL overnight.  

Elsewhere, isolated elevated thunderstorms are possible farther west
over the southern Great Plains and farther north in the OH Valley
late.

..Smith.. 10/26/2020

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