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Area Forecast Discussion
Issued by NWS Tampa Bay Area, FL
Issued by NWS Tampa Bay Area, FL
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954 FXUS62 KTBW 301846 AFDTBW Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 246 PM EDT Sun Jun 30 2024 ...New DISCUSSION, MARINE, FIRE WEATHER... .DISCUSSION... Issued at 241 PM EDT Sun Jun 30 2024 An upper-level impulse of energy is propagating across the state as relatively zonal flow continues to dominate the synoptic pattern. At the surface, weak ridging remains in place, with the axis shifted a little farther north today. In response, an ENE flow (similar to regime 2) continues to be in place. This flow is more saturated than normal, with PW values in excess of 2 inches noted today. This is towards the upper-bound of climatology for this date. When coupled with the ample instability and forcing, this is why scattered to numerous showers and thunderstorms have been ongoing today, and why they are expected to continue this evening. Across the Tampa Bay area and the Nature Coast, the west coast sea breeze has been delayed, and is only now just getting underway. However, storms are beginning to fire across this region now as well, suggesting activity will continue to increase across Central and North Florida. After an active day today, however, some slightly drier air is forecast to move into the region tomorrow. While far from preventing convection entirely, the overall coverage of storms does look to be lower, with PW values dropping down towards 1.6 to 1.8 inches. This looks short-lived, though. As the ridge axis continues to shift, ushering back an ESE flow, the drier air should quickly be mixed out by Tuesday, with more widespread activity returning through the remainder of the work week. Towards the weekend, there are indications a more ENE flow could return, and then more neutral flow for Saturday. Scattered to numerous storms will continue each day, but could be lower coverage again on Saturday. && .AVIATION... (18Z TAFS) Issued at 134 PM EDT Sun Jun 30 2024 Widespread convection is ongoing across SWFL, with the expectation that more development will happen within the next hour or so farther to the north around the Tampa Bay Area. All terminals will have the potential for MVFR to even IFR conditions and gusty winds briefly over the next few hours. The highest confidence is for SWFL terminals, and the lowest confidence is for KLAL. Activity should wind down within a couple hours of sunset, with a quiet night expected thereafter. Slightly drier air tomorrow looks to limit overall convective potential, with probs too low for mention at any terminal for this TAF cycle. SWFL terminals may see a window late tomorrow afternoon. && .MARINE... Issued at 241 PM EDT Sun Jun 30 2024 Showers and thunderstorms continue to develop this afternoon, moving offshore through the evening. Locally hazardous winds and seas are possible in the vicinity of storms. Otherwise, a light ENE to ESE flow is expected, turning onshore during the afternoon. && .FIRE WEATHER... Issued at 241 PM EDT Sun Jun 30 2024 Ample moisture remains to support scattered to numerous showers and thunderstorms each day. Tomorrow looks to have the least coverage for the week with as ESE flow settles in. Winds could turn onshore near the coast during the afternoon. && .PRELIMINARY POINT TEMPS/POPS... TPA 77 91 79 93 / 60 20 10 70 FMY 75 91 77 92 / 40 50 10 70 GIF 75 94 77 95 / 40 40 20 70 SRQ 75 90 77 92 / 60 20 10 70 BKV 73 92 75 94 / 60 30 10 70 SPG 80 91 82 93 / 70 20 10 70 && Sea Breeze Thunderstorm Regime For Monday: 6 Sea Breeze Thunderstorm Regime For Tuesday: 6 For additional information on sea breeze regimes, go to: https://www.weather.gov/tbw/ThunderstormClimatology && .TBW WATCHES/WARNINGS/ADVISORIES... FL...None. Gulf waters...None. && $$ Flannery