Area Forecast Discussion
Issued by NWS Melbourne, FL
Issued by NWS Melbourne, FL
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091 FXUS62 KMLB 060120 AFDMLB Area Forecast Discussion National Weather Service Melbourne FL 920 PM EDT Fri Jul 5 2024 ...New AVIATION... .AVIATION... (00Z TAFs) Issued at 742 PM EDT Fri Jul 5 2024 VFR conditions through the TAF period. Light and variable winds overnight and into Saturday. The east coast sea breeze is forecast to form and push inland in the afternoon, veering the winds easterly and increasing the winds to 5-10 KT behind the sea breeze. The sea breeze collision is expected to happen a little farther east then the last couple days, over our interior sites. Have included VCTS starting at 20Z for all our inland terminals, with VCSH at 20Z for DAB. Will likely add TEMPOs for interior sites in later packages. Winds will become light and variable once again on Saturday night. && .PREVIOUS DISCUSSION... Issued at 254 PM EDT Fri Jul 5 2024 Key Messages: - An extended period of above-normal temperatures continues through this weekend. - Daily chances for showers and lightning storms, especially over the interior. Chances will increase early next week. Rest of Today-Tonight...The sea breeze, evident on both visible satellite imagery and radar continues to quickly move inland early this afternoon. A few showers have developed along the sea breeze, with a collision forecast just west of the county warning area. Interior portions of east central Florida could still see scattered showers and storms near the collision, so have maintained PoPs around 50% in this area. Hot temperatures will begin to cool off after peak heating, with the Heat Advisory expiring at 6pm. Overnight, dry conditions are forecast, with morning low temperatures in the mid to upper 70s. This Weekend...Mid/upper level low pressure over the western Atlantic lifts northward this weekend. Locally, onshore winds will become gradually southerly, drawing PWATs 2+" into the area. However, prior to this, models suggest slightly drier (~1.4-1.5") air advecting into central Florida from the east. Thus, PoPs decrease slightly Saturday, especially east of Orlando, falling to 20-30%. For areas over the interior, PoPs forecast between 40-50%. PoPs look to respond to increasing moisture on Sunday, becoming 30-50%. The highest PoPs will remain over the interior and southerly flow will allow for a more centralized sea breeze collision. Hot temperatures persist, with highs in the lower to mid-90s. A few locations could approach the upper 90s. Heat risk will continue to be a concern, with heat indices well over 100 degrees. Will need to monitor the need for Heat Advisories in future updates throughout the weekend. Overnight lows in the mid to upper 70s. Mon-Thu (previous)...Some weakening of the mid/upper level ridging is forecast though temperatures aloft (H500) do not improve by more than a degree or two (-4.5C to -6.0C). PWATs remain soupy (> 2.00 inches) thru much of the period. The pressure gradient remains weak, with a daily sea breeze moving inland. Storm steering flow light S/SSW Mon- Thu. Continue a 50-60% PoP in the afternoon/early evening period. Highs in the U80s to L90s each day with lows in the 70s. && .MARINE... Issued at 254 PM EDT Fri Jul 5 2024 Daily chances for showers and storms will persist through the end of the period. Outside of convection, generally favorable boating conditions are forecast, with seas 1-3ft. Onshore winds this weekend will veer south to southwesterly into next week. However, will see winds back southeasterly each afternoon, as the sea breeze develops. Winds remaining under 15kts. && .PRELIMINARY POINT TEMPS/POPS... DAB 76 93 77 93 / 10 20 10 30 MCO 76 96 77 95 / 10 40 10 50 MLB 76 92 77 92 / 0 20 10 30 VRB 75 92 76 93 / 0 20 0 30 LEE 78 95 78 94 / 30 50 10 60 SFB 76 96 77 95 / 10 30 10 50 ORL 77 96 78 95 / 10 40 10 50 FPR 74 92 76 93 / 0 20 10 40 && .MLB WATCHES/WARNINGS/ADVISORIES... FL...None. AM...None. && $$ DISCUSSION...Leahy AVIATION...Watson