SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1130 AM CST Sat Dec 05 2020 Valid 061200Z - 071200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHERN FLORIDA... ...SUMMARY... A few strong to locally severe storms may occur across southern Florida Sunday night and early Monday morning. ...Synopsis... A highly amplified/complex large-scale pattern will prevail on Sunday over the CONUS. A general prevalence of cool/stable conditions over the CONUS will confine deep convective potential to the Gulf of Mexico into far southern Florida. ...Southern Florida... Have introduced severe probabilities for late-night severe potential Sunday night into the morning hours of Monday. Weak height falls related to the amplifying upper trough over the Appalachians will influence weak cyclogenesis over the Gulf of Mexico into southern Florida, particularly Sunday night, as low-level moisture otherwise gradually increases. Ongoing storms over the Gulf of Mexico late Sunday may approach the Florida Keys and possibly the far southern Florida Peninsula late Sunday night/early Monday, with the possibility of some semi-discrete development also preceding any complex of storms over the Gulf of Mexico. While modest overall buoyancy and weak mid-level lapse rates should limit the overall magnitude and likelihood of a severe risk, sufficient moisture/instability in the presence of strengthening low/mid-level winds will support the possibility of some strong to locally severe storms capable of wind gusts and/or a tornado risk. ..Guyer.. 12/05/2020
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