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Area Forecast Discussion
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
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056 FXUS64 KLCH 092359 AFDLCH Area Forecast Discussion National Weather Service Lake Charles LA 659 PM CDT Fri Aug 9 2024 ...New AVIATION... .SHORT TERM... (Tonight through Sunday night) Issued at 250 PM CDT Fri Aug 9 2024 Mid-afternoon surface analysis shows a stationary boundary draped offshore from near Galveston, TX to Tallahassee, FL, while aloft a broad, flat ridge remains anchored over the southern US. Across the CWA, north of the boundary, light northerly winds have ushered in a slightly drier airmass today, with dewpoints currently ranging from the upper 60s to mid 70s, while temperatures are mainly in the lower 90s. Although it is not significantly cooler/drier today, the slight drop in dewpoints behind the front has successfully kept us below heat advisory criteria so far today, which is an improvement from the last several days in my book. Tonight, temperatures are expected to fall to near seasonal norms, bottoming out in the mid 70s. A similar pattern continues through the weekend, as the stalled boundary meanders offshore for a bit longer and ridging remains anchored overhead. Temperatures will again top out in the low to mid 90s tomorrow and Sunday, while dewpoints should mainly range from the mid 60s to low 70s. Our streak of dry days should continue as well, with the only exception maybe being parts of St. Mary and lower St. Martin Parishes which could see some isolated showers by Sunday afternoon. Otherwise, hot and sunny conditions continue. By the later half of Sunday, the boundary should begin to meander back to the north as a warm front, bringing moist Gulf air back inland and increasing dewpoints once again as we head into the work week. 17 && .LONG TERM... (Monday through next Thursday) Issued at 250 PM CDT Fri Aug 9 2024 The mid to upper level ridge expected to to be firmly established over the region, allowing for continued much above normal temperatures during the period. Morning low temperatures in the mid to upper mid 70s north of I-10, near 80/lower 80s I-10 south, with afternoon highs in the upper 90s to near 100, except lower/mid 90s along the coast. Maximum heat index values 103 to 108 expected, possibly higher in some locations. Heat advisories may be needed. Limited low level moisture, coupled with afternoon heating, will lead to isolated to possibly scattered afternoon showers and thunderstorms along the I-10 corridor across Louisiana. Further north and west, chances expected to be even less. 08/DML && .AVIATION... (00Z TAFS) Issued at 658 PM CDT Fri Aug 9 2024 VFR conditions ongoing and expected to prevail past the end of the period. northerly to northeasterly winds expected going into tomorrow. Stigger/87 && .MARINE... Issued at 250 PM CDT Fri Aug 9 2024 A weak cold front will continue to meander over the northwestern Gulf of Mexico through the weekend, yielding a light offshore flow and an occasional scattered shower or thunderstorm. By late Sunday into early Monday the front will lift back northward, with a southerly flow set to resume on the coastal waters behind it. Waves will be below 3 feet through the forecast period. && .PRELIMINARY POINT TEMPS/POPS... AEX 73 93 70 94 / 0 0 0 0 LCH 76 95 75 94 / 0 0 0 0 LFT 76 97 76 97 / 0 0 0 10 BPT 76 97 75 97 / 10 0 0 0 && .LCH WATCHES/WARNINGS/ADVISORIES... LA...None. TX...None. GM...None. && $$ SHORT TERM...17 LONG TERM....08 AVIATION...87