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Area Forecast Discussion
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
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495 FXUS62 KJAX 300005 AFDJAX Area Forecast Discussion National Weather Service Jacksonville FL 805 PM EDT Sat Jun 29 2024 ...New UPDATE, AVIATION... .UPDATE... Issued at 803 PM EDT Sat Jun 29 2024 Convection is on the downward slide this evening and has nearly dissipated across NE FL where most activity had been concentrated this afternoon along the sea breeze. A few lingering t`storms are likely to continue across the Suwannee Valley and interior areas of SE GA where the Gulf Sea breeze and Atlantic sea breeze can still take advantage of the unconsumed instability in those areas. Anticipate convection to fade completely before midnight tonight. Debris cloudiness from convection will dissolve, leaving mostly clear skies tonight. Lows will fall to the mid 70s inland and upper 70s at the coast. For the latest NE FL and SE GA Daily Key Messages please visit: https://www.weather.gov/media/jax/briefings/nws-jax-briefing.pdf && .NEAR TERM... Issued at 211 PM EDT Sat Jun 29 2024 For the latest NE FL and SE GA Daily Key Messages please visit: https://www.weather.gov/media/jax/briefings/nws-jax-briefing.pdf Scattered to numerous showers/t-storms will continue through the afternoon and into the evening, gradually decreasing in coverage after dark. Low temperatures Tonight will be in the mid 70s inland, upper 70s coast. && .SHORT TERM... (Sunday through Monday night) Issued at 211 PM EDT Sat Jun 29 2024 A pretty typical summertime convective pattern will continue through the rest of the weekend, as plentiful moisture will remain in place with a weak layer flow. This will allow the sea breeze to penetrate modestly inland, and therefore expect the highest chances for showers and t`storms to be west of I-95. With the soupy airmass in place (even for Florida standards), we will be flirting with heat advisory criteria in some areas despite temps mainly in the low to mid 90s, as dew points reach the mid to upper 70s. A cold front approaches from the north Sunday Night and into Monday before stalling and becoming typically diffuse over central GA. High mean layer moisture will remain in place, and with the southeasterly sea breeze also getting an uptick ahead of the boundary. Therefore, numerous diurnal convection will be expected once again, especially into southeast GA closer to the weak boundary, as well as inland west of about HWY 301 with the slightly stronger onshore flow. Similar temps and humidity compared to Sunday as well should once again borderline advisory levels for many. && .LONG TERM... (Tuesday through next Saturday) Issued at 211 PM EDT Sat Jun 29 2024 Chances for showers and t`storms overall look a bit lower for the long term period. High pressure aloft near the northern Gulf Coast shifts east/northeastward through the end of the week, which will introduce some subtle subsidence as well as trying to mix in slightly drier air aloft. Aforementioned high pressure and rising heights at the upper levels will also start and increasing trend in high temps mid to late week, with slightly above average temperatures looking likely for Independence Day and into Friday. && .AVIATION...(00Z TAFS) Issued at 803 PM EDT Sat Jun 29 2024 Convection has faded leaving mostly clear skies and VFR conditions and light SE winds. Winds will remain light and shift WNW to NW overnight. Easterly sea breeze will push in again during the early afternoon hours Sunday, bringing chances for scattered t`storms to most airfields tomorrow afternoon between 17z-00z. && .MARINE... Issued at 211 PM EDT Sat Jun 29 2024 Winds will remain southerly through Monday the rest of the weekend with high pressure centered well NE of the waters, with winds near coast becoming southeasterly each afternoon with sea breeze. Seas will be 2-3 ft during this period. A weak cold front will move down over the waters and dissipate Tuesday into Wednesday, with a more east to southeast wind expected then. Scattered to occasionally numerous showers and thunderstorms are expected over the waters each day. Rip Currents: Another low-end moderate risk of rip currents Sunday. && .PRELIMINARY POINT TEMPS/POPS... AMG 94 75 94 76 / 60 30 70 60 SSI 90 77 91 78 / 60 10 60 50 JAX 93 75 94 75 / 70 10 70 50 SGJ 91 75 91 76 / 70 10 70 40 GNV 91 73 92 73 / 80 20 70 60 OCF 92 75 91 74 / 80 20 70 60 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...None. GA...None. AM...None. && $$