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Area Forecast Discussion
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
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032 FXUS64 KLCH 102313 AFDLCH Area Forecast Discussion National Weather Service Lake Charles LA 613 PM CDT Sat Aug 10 2024 ...New AVIATION... .SHORT TERM... (Tonight through Monday night) Wx map shows 1026 mb surface high pressure over Kansas, with weak ridging southward to the Gulf coast. This continues northeast to east winds around 5-10 mph across the area. Aloft, the east to west axis oriented mid to upper level ridge continues across the Gulf states, with a large vertically stacked low north of the Great Lakes, keeping a fairly zonal flow across the northern part of the country. Visible satellite imagery showing partly cloudy skies with fair weather cumulus. Radar showing no precipitation. Temperatures near 90/lower 90s across the area, and may rise a couple of degrees more today. With the relatively lower dewpoints in the upper 60s to lower 70s, heat index values ranging from the mid 90s to near 100. For tonight, mostly clear skies with lows in the upper 60s to lower 70s north of the U.S. 190 corridor, lower to mid 70s further south. Sunday, expecting weak surface high pressure to the north to continue the light northeast winds. Afternoon highs expected to climb a little higher in the mid to upper 90s. Precipitation chances around 20% across Lower Acadiana, much less further north and west, with a slight increase in the coastal waters south of Vermilion and Atchafalaya Bays. Lows Sunday night/Monday morning not as low, expecting lower to mid 70s along and north of I-10, upper 70s to lower 80s further south. For Monday, slowly increasing low level moisture expected as weak south to southeast winds return across the area. Slightly higher chances of showers and perhaps a thunderstorm by afternoon along the I-10 corridor of Louisiana southward with 20-30%. Further south into the coastal waters, chances increasing 40-50% Afternoon highs in the mid to upper 90s expected. With the slightly higher dewpoints in the lower to mid 70s along and south of I-10, heat index values expected to reach the 105-108 range. Heat advisories may be needed once again 08/DML && .LONG TERM... (Tuesday through next Friday) The mid to upper level ridge will continue to be centered over the region trough the period, continuing the much above normal temperatures. 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 yield isolated to possibly scattered afternoon showers and thunderstorms along the I-10 corridor. Further north, chances expected to be even less. 08/DML && .AVIATION... (00Z TAFS) Issued at 607 PM CDT Sat Aug 10 2024 VFR conditions will prevail amid mostly clear skies through Sunday morning, with a few CU forming after 18Z. Winds will be light, out of the northeast to east. 24 && .MARINE... 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 activity. 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. Winds and seas expected to remain light through the period. 08/DML && .PRELIMINARY POINT TEMPS/POPS... AEX 69 94 72 97 / 0 10 0 0 LCH 74 94 76 95 / 0 10 0 20 LFT 75 98 76 98 / 0 10 0 20 BPT 75 97 77 96 / 0 10 0 20 && .LCH WATCHES/WARNINGS/ADVISORIES... LA...None. TX...None. GM...None. && $$ SHORT TERM...08 LONG TERM....08 AVIATION...24