Area Forecast Discussion
Issued by NWS Mobile, AL
Issued by NWS Mobile, AL
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278 FXUS64 KMOB 231719 AFDMOB Area Forecast Discussion National Weather Service Mobile AL 1119 AM CST Sun Nov 23 2025 ...New AVIATION... .KEY MESSAGES... Updated at 1112 AM CST Sun Nov 23 2025 - Some strong to potentially severe storms are possible Tuesday afternoon into Tuesday evening near and west of the I-65 corridor. - A Small Craft Advisory may become necessary for much of the marine area Wednesday night through Thursday morning, potentially lingering into late week for the offshore waters. - A Moderate rip current risk exists for local beaches Tuesday and Wednesday. && .DISCUSSION... Issued at 1024 AM CST Sun Nov 23 2025 Dry conditions are expected over the area through Monday while an active pattern begins to unfold over the western and central states. An upper low near the 4 Corners evolves into an upper trof over the southern and central Plains on Monday, then ejects off across the interior eastern states through Tuesday while a Canadian system leads to a large upper trof developing over the central states. The upper trof progresses across the eastern states with an associated surface low meanwhile bringing a strong cold front through the forecast area late Tuesday night into early Wednesday morning. Ahead of the frontal passage, the Plains system which ejects off into the eastern states appears to bring a region of weak to possibly moderate deep layer lift across the northwestern half of the forecast area on Tuesday, potentially into the evening hours. The 850 mb jet will initially be 30-40 knots over this portion early Tuesday morning but then diminishes to around 20 knots by the early afternoon. While MLCAPE values increase to 500-1000 J/kg on Tuesday for much of the area, potentially around 1000 J/kg over southeast MS and interior southwest AL, the timing of the best instability occurs when shear values are diminishing fairly significantly. This appears to diminish the potential for strong to severe storm development, but considering the uncertainty with the pattern will maintain current messaging in the Key Messages. High rain chances shift across the forecast area Tuesday into Tuesday night as the front approaches then moves through. Have gone with slight chance to chance pops on Wednesday generally along and east of I-65, then dry conditions follow for Thursday through Saturday. A large positively tilted upper trof evolves over the western half of the CONUS over the weekend, with a series of shortwaves set to move across the forecast area by Sunday along with a frontal boundary approaching from the Plains. Will have chance pops return to the forecast for Sunday and will monitor this upcoming system which could eventually bring active weather to the forecast area. Lows tonight range from around 50 well inland to the mid/upper 50s at the coast then trend warmer for Monday night to range from the upper 50s well inland to the mid 60s at the coast. Much cooler temperatures follow for Wednesday night and Thursday night in the wake of the cold front, with lows Thursday night ranging from the lower 30s well inland to around 40 at the coast. Temperatures moderate by Saturday night to range from the mid/upper 40s well inland to the mid 50s at the coast. Highs on Monday and Tuesday will be in the upper 70s to around 80, then trend much cooler by Thanksgiving Day to range from the mid/upper 50s well inland to the lower 60s closer to the coast. Daytime highs moderate to the upper 60s to lower 70s by Sunday. A low risk of rip currents on Monday will be followed by a moderate risk for Tuesday and Wednesday, then a low risk follows for Thursday. /29 && .AVIATION... (18Z TAFS) Issued at 1112 AM CST Sun Nov 23 2025 A deck of IFR/MVFR stratus has been pushing south over the northwestern quarter of the forecast area. Am expecting this deck to slowly erode this afternoon and remain just north of area TAF sites. Patchy fog is possible tonight. Guidance is painting coverage north of area TAF sites, and remaining at MVFR levels. Northerly winds of 5 to 10 knots today are expected to become light overnight, the become easterly around 5 to 10 knots by late morning Monday. /16 && .MARINE... Issued at 1024 AM CST Sun Nov 23 2025 Light northerly winds become southeasterly on Monday with a light to moderate southerly flow following for Tuesday. Winds shift out of the northwest to north on Wednesday as a cold front moves through with a moderate to strong offshore flow for Wednesday night through Friday. A Small Craft Advisory will likely become necessary for most of the marine area Wednesday night into Thursday morning, and may potentially be needed for the 20-60 nm portion Thursday afternoon into Friday morning. /29 && .PRELIMINARY POINT TEMPS/POPS... Mobile 77 53 77 64 / 0 0 0 20 Pensacola 78 58 76 67 / 0 0 0 20 Destin 77 59 75 66 / 0 0 0 30 Evergreen 79 50 80 60 / 0 0 0 20 Waynesboro 71 49 77 60 / 0 0 0 40 Camden 74 49 78 58 / 0 0 0 20 Crestview 79 50 78 61 / 0 0 0 20 && .MOB WATCHES/WARNINGS/ADVISORIES... AL...None. FL...None. MS...None. GM...None. && $$