748 FXUS62 KJAX 140201 AFDJAX Area Forecast Discussion National Weather Service Jacksonville FL 900 PM EST Wed Feb 13 2019 .UPDATE... An upper level trough across the ern U.S. extending into the FL panhandle and into the ern Gulf of Mexico will continue to shift east tonight taking broken to overcast high clouds out of the area, with clearing skies expected overnight with significantly drier conditions in the low to mid levels per 00z JAX sounding. Sfc high around 1024 mb centered over srn AL will shift east-northeast to east central GA Thu morning. Temps are dropping into the 40s and near 50 which is not too far off the guidance. A frost advisory is in effect tonight, and though clouds this evening may slow the cooling, latest sfc temps and the light winds suggest enough radiational cooling is occurring to support the frost advisory for inland areas. && .AVIATION... Prevailing VFR conditions with high clouds at times. Light to calm winds tonight will become northeast to east less than 10 kt on Thursday. && .MARINE... Small craft exercise caution had been maintained over the area waters overnight and just slight adjustments will be made to the winds and seas rest of tonight. && .PRELIMINARY POINT TEMPS/POPS... AMG 33 69 44 72 / 0 0 0 0 SSI 41 63 50 69 / 0 0 0 0 JAX 39 68 49 74 / 0 0 0 0 SGJ 45 67 51 72 / 0 0 0 0 GNV 37 72 47 74 / 0 0 0 0 OCF 37 73 48 75 / 0 0 0 0 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...Frost Advisory from 4 AM to 8 AM EST Thursday for Alachua-Baker- Bradford-Clay-Columbia-Gilchrist-Hamilton-Inland Duval- Inland Nassau-Marion-Putnam-Suwannee-Union. GA...Frost Advisory from 4 AM to 8 AM EST Thursday for Appling- Atkinson-Bacon-Brantley-Charlton-Clinch-Coffee-Echols- Inland Camden-Inland Glynn-Jeff Davis-Pierce-Ware-Wayne. AM...None. && $$ Shashy/Zibura