SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1215 PM CDT Mon Oct 26 2020 Valid 271200Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected across the contiguous United States on Tuesday. ...Synopsis and Discussion... A closed upper low over AZ/NM and adjacent northern Mexico is forecast to move slowly eastward towards the southern High Plains on Tuesday. Large-scale ascent preceding this feature will overspread parts of the southern Plains through the period. Even though much of this region will be to the north of a cold front, weak elevated instability may still develop as mid-level temperatures gradually decrease with the approach of the upper trough. Isolated thunderstorms may occur in this regime. Farther south, substantial low-level moisture will remain confined to parts of coastal TX and the Southeast. Occasional storms may also occur across these regions though the day, but generally weak low/mid-winds should limit both deep-layer shear and organized severe thunderstorm potential. The enhanced low-level wind field associated with Tropical Cyclone Zeta, forecast by the National Hurricane Center to move northwestward to northward across the central Gulf of Mexico on Tuesday, is not expected to overspread portions of the central Gulf Coast until after the end of the Day 2 period. ..Gleason.. 10/26/2020
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