Area Forecast Discussion
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
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111 FXUS64 KLIX 271137 AFDLIX Area Forecast Discussion National Weather Service New Orleans LA 637 AM CDT Fri Sep 27 2024 ...New UPDATE, AVIATION... .UPDATE... Issued at 623 AM CDT Fri Sep 27 2024 Will likely replace Small Craft Advisory with Small Craft Exercise Caution headlines for the tidal lakes at 7 AM CDT. Too soon to make adjustments elsewhere based on current observations. && .SHORT TERM... (Today through Saturday) Issued at 240 AM CDT Fri Sep 27 2024 Weakening Hurricane Helene racing north-northeast through Georgia. Upper low centered near Memphis helping to accelerate hurricane northward. Both are helping to pump cooler and drier air into the local area. This will keep the local area dry through Saturday. Only real forecast question is whether cloud cover associated with the upper low sinks southward into northern and eastern areas later tonight and Saturday. For now, operating under the idea of partly cloudy skies for southwest Mississippi overnight. Most guidance pretty close for the next 36 hours and won`t make any radical departures from such. && .LONG TERM... (Saturday night through Thursday) Issued at 240 AM CDT Fri Sep 27 2024 Upper low will take up residence over Kentucky from Saturday into early next week, although GFS operational is quite a bit further east in Kentucky than the ECMWF operational. Upper ridging over Florida should keep the local area dry through much of next week. Will allow NBM numbers to ride through Thursday, as no large departures from guidance, with temperatures running above seasonal norms. && .AVIATION... (12Z TAFS) Issued at 623 AM CDT Fri Sep 27 2024 VFR conditions expected through the forecast period. Wrap around clouds associated with the upper low near Memphis could produce ceilings overnight at KMCB, but bases won`t be low enough to produce flight restrictions. Potential exists for wind gusts in excess of 20 knots at KNEW in particular during the day, but should relax during the evening. && .MARINE... Issued at 240 AM CDT Fri Sep 27 2024 Winds are currently sufficient over all waters to maintain ongoing Small Craft Advisory. Will probably be able to clear tidal lakes and sounds by late morning. However, even if winds drop off over the open waters, seas will remain sufficient for advisories for much or all of the open waters through expiration time. May need Small Craft Exercise Caution headlines through the overnight hours tonight in eastern waters, but beyond that point, should be a much quieter scenario through the remainder of the marine forecast period. && .PRELIMINARY POINT TEMPS/POPS... MCB 83 62 86 62 / 0 0 0 0 BTR 88 66 91 65 / 0 0 0 0 ASD 85 67 88 66 / 0 0 0 0 MSY 85 68 88 70 / 0 0 0 0 GPT 84 68 88 68 / 0 0 0 0 PQL 87 68 90 68 / 0 0 0 0 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...None. GM...Small Craft Advisory until 4 PM CDT this afternoon for GMZ530- 532-534-536-538-550-552-555-557-570-572-575-577. MS...None. GM...Small Craft Advisory until 4 PM CDT this afternoon for GMZ532- 534-536-538-550-552-555-557-570-572-575-577. && $$ SHORT TERM...RW LONG TERM....RW AVIATION...RW MARINE...RW