SPC 0730Z Day 3 Outlook
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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