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Area Forecast Discussion
Issued by NWS Midland/Odessa, TX
Issued by NWS Midland/Odessa, TX
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237 FXUS64 KMAF 130542 AFDMAF Area Forecast Discussion National Weather Service Midland/Odessa TX 1242 AM CDT Tue Aug 13 2024 ...New AVIATION... .SHORT TERM... (This afternoon through Tuesday night) Issued at 210 PM CDT Mon Aug 12 2024 High and low temperatures as well as PoPs have not changed much from previous NBM runs. We are still expecting higher rain chances later Wednesday afternoon and evening into Thursday. More on that in the long term discussion. Today, VIS and IR satellite show little in the way of clouds aside from some high clouds over SE NM plains, the Big Bend, and the Davis and Guadalupe Mountains. These high clouds are streaming northwest as southeasterly flow continues over the area. While ridging will redevelop farther to the east over the ArkLaTex into the Deep South, highs will remain similar to the last few days, with no heat advisories expected as high temperatures come out ~6 to 10 degrees above average. Triple digit readings along the Pecos River into the Upper Trans Pecos, over the northeast Permian Basin, and along the near the Rio Grande with ~110+ readings right along the Rio Grande in the Big Bend are forecast, with 90s, 80s in highest elevations elsewhere. Showers and storms are possible due to elevated heating of terrain over the Davis Mountains, but without much dynamic forcing aside from that provided by orographic flows, these showers and storms are not likely to persist for very long and will dissipate after sunset. As has been the case for the past few nights, 35+ kt LLJ tonight will result near surface radiational cooling being inhibited and mixing of the boundary layer, resulting in lows ~6 to 12 degrees above average and only falling into the 70s and above, 60s in northern Lea County and Marfa Plateau into the Lower Trans Pecos. Tuesday, ridging continues to meander over the ArkLaTex into Southern Mississippi Valley, with decreasing thicknesses yielding high temperatures a few degrees cooler than today, ~ 4 to 10 degrees above average, and reduced extent and magnitude of triple digit readings along the Pecos River and northeast Permian Basin. Therefore we are also not expecting any heat products for tomorrow. With an approaching shortwave from AZ skirting the western periphery of the upper high, convective chances will be slightly higher tomorrow afternoon and evening over westernmost regions, but not enough to yield more than an isolated chance of storms. Tuesday night will repeat the same story of the past few nights as the LLJ continues to keep overnight lows above average. && .LONG TERM... (Wednesday through Sunday) Issued at 210 PM CDT Mon Aug 12 2024 Conditions stay pretty stagnant over the extended forecast period. High pressure will remain in position from the northern Gulf Coast to New Mexico. Highs through the weekend will thus remain in the upper 90s to low 100s which is typical August weather for West Texas and southeastern New Mexico. The only feature to break up the monotony is a weak upper trough that moves across the area Wednesday and Thursday. The trough will help increase rain chances mainly for areas west of the Pecos River on Wednesday, with slight chances spreading east on Thursday to include the Permian Basin. You have to get your rainfall on one of those two days because the remainder of the extended is dry as the trough weakens and high pressure again dominates. Hennig && .AVIATION... (06Z TAFS) Issued at 1240 AM CDT Tue Aug 13 2024 VFR conditions will prevail next 24 hours in return flow. Forecast soundings develop a widespread cu field by late morning/early afternoon, w/bases starting ~ 6-9 kft AGL. No convection expected. && .PRELIMINARY POINT TEMPS/POPS... Big Spring 101 76 102 76 / 0 0 10 10 Carlsbad 100 74 100 73 / 10 10 20 10 Dryden 99 75 100 76 / 0 0 10 10 Fort Stockton 98 74 100 75 / 10 0 30 10 Guadalupe Pass 91 70 91 71 / 20 20 30 10 Hobbs 97 72 99 72 / 0 0 10 10 Marfa 93 67 91 66 / 30 20 50 20 Midland Intl Airport 97 75 99 76 / 0 0 10 10 Odessa 97 75 99 77 / 0 0 10 10 Wink 101 77 102 78 / 0 0 10 10 && .MAF WATCHES/WARNINGS/ADVISORIES... TX...None. NM...None. && $$ SHORT TERM...94 LONG TERM....10 AVIATION...44