Area Forecast Discussion
Issued by NWS Charleston, SC

Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
-- Highlight Changed Discussion --
-- Discussion containing changed information from previous version are highlighted. --
000 FXUS62 KCHS 050049 AFDCHS Area Forecast Discussion National Weather Service Charleston SC 849 PM EDT Tue Aug 4 2020 .SYNOPSIS... A stationary front will linger near the area through Thursday. Atlantic high pressure will rebuild late week through the weekend. && .NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/... Only minor changes were made for the mid-evening update mainly to lower pops to slight chance. Lows will range from the mid 70s inland to the the lower 80s at the beaches and Downtown Charleston. && .SHORT TERM /6 AM WEDNESDAY MORNING THROUGH FRIDAY/... The area will remain on the eastern periphery of a long wave trough during the period while a series of weak embedded shortwaves moves from southwest to northeast through the forecast area. At the surface, a weak trough/boundary will linger just inland. With highs in the low to mid 90s each day and surface dewpoints in the 70s, ample instability will be present for scattered to numerous showers and tstms to develop each afternoon/evening. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... Not much change to the weather pattern expected into early next week with the continuation of near to above normal rain chances and temperatures. && .AVIATION /01Z WEDNESDAY THROUGH SUNDAY/... VFR. Showers/tstms west of KSAV could make a run for the terminal by 00z. Any mention will be decided based on radar trends at the 2330z transmission window. The risk for tstms tomorrow afternoon looks to west up west of both KSAV and KCHS, thus no mention will be included at this time. Extended Aviation Outlook: VFR conditions will prevail outside of isolated afternoon/evening convection. && .MARINE... This Evening and Tonight: A weak pressure gradient will prevail between high pressure across the western Atlantic and a trough of low pressure well inland. In general, conditions will remain well below Small Craft Advisory level conditions with south winds between 10-15 kts. Seas will range between 2-4 ft. Wednesday through Sunday: Atlantic high pressure will maintain typical summertime conditions over the marine area with mostly southerly winds 10-15 kt and seas 4 feet or less. && .CHS WATCHES/WARNINGS/ADVISORIES... GA...None. SC...None. MARINE...None. && $$

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.