Area Forecast Discussion
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
954 FXUS66 KSGX 210405 AFDSGX Area Forecast Discussion National Weather Service San Diego CA 905 PM PDT Fri Sep 20 2024 .SYNOPSIS... Saturday through Monday, dry with a warming trend with high temperatures warming to around 5 degrees above average for inland areas on Monday. Generally fair weather with seasonal temperatures will continue for Tuesday through Thursday, but with greater spread in the temperature guidance for the coast and valleys. && .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES... No significant changes to the forecast this evening as the low pressure system and associated showers quickly leave the area through the overnight hours. No additional significant shower activity is expected for the rest of of the weekend. From previous forecast... Dry and warmer conditions are expected this weekend. On Saturday, greater warming is expected for the mountains and deserts with slower warming for the coast and valleys. Warming will continue on Sunday with the greater warming for the coast and valleys. High temperatures on Sunday will return to around seasonal averages, with high temperatures in the mid 80s to mid 90s for the Inland Empire and around 100 for the lower deserts. The warming is expected to continue into Monday, with high temperatures for inland areas around 5 degrees above average, mostly in the 90s for the Inland Empire and around 105 for the lower deserts. The marine layer will persist and low clouds will cover much of the area west of the mtns tonight. each night and morning. Generally fair weather with seasonal temperatures will continue for Tuesday through Thursday, but with greater spread in the temperature guidance for the coast and valleys. && .AVIATION... 210400Z...Coasts/Valleys...Low clouds are building back in with bases near 2000-2500ft MSL and tops to 3000ft MSL, with CIGs by 07z for most coastal sites and by 08-10z for the Inland Empire. Stratus may lower through the night, with bases closer to 1500ft MSL by 12z. Some localized VIS reductions possible, especially for higher coastal terrain and valleys. Scattering out will occur for most coastal locations by 18-19z, with lingering stratus near the beaches through the afternoon. Low stratus builds in again for coastal sites by 03z Sunday. Mountains/Deserts...Generally VFR with unrestricted VIS. Lingering high clouds will bases above 20,000ft MSL may continue through Saturday morning. && .MARINE...No hazardous marine conditions are expected through Wednesday. && .SKYWARN... Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions. && .SGX WATCHES/WARNINGS/ADVISORIES... CA...None. PZ...None. && $$ PUBLIC...SS AVIATION/MARINE...Zuber