SPC 0600Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1226 AM CDT Tue Oct 27 2020 Valid 281200Z - 291200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR FAR SOUTHERN ALABAMA AND THE WESTERN FLORIDA PANHANDLE... ...SUMMARY... A couple tornadoes are possible beginning Wednesday afternoon through Wednesday night over parts of the central Gulf Coast states in association with Zeta. ...Central Gulf Coast... Tropical cyclone Zeta will approach the coast and subsequently move inland during the period. The influx of a tropical airmass (characterized by mid 70s surface dewpoints) will gradually spread inland over southeast LA and the immediate coastal areas of MS/AL/FL Panhandle during the day. Forecast soundings show hodographs enlarging initially over southeast LA and later along the MS/AL/FL Panhandle coasts by late afternoon. Sufficient buoyancy and enlarged hodographs (0-1 km SRH 300-600 m2/s2) will probably yield the development of several mini supercells in the outer bands of Zeta. It appears the greatest tornado risk will be confined to far southern AL and the FL Panhandle where larger CAPE (500-1000 J/kg) and SRH will spatiotemporally overlap. Considerable uncertainty remains how far inland a low/conditional supercell-tornado risk will develop late overnight (i.e., east-central AL and adjacent parts of GA). ..Smith.. 10/27/2020
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