Area Forecast Discussion
Issued by NWS
Issued by NWS
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818 FXUS64 KLUB 132325 AFDLUB Area Forecast Discussion National Weather Service Lubbock TX 625 PM CDT Sat Jul 13 2024 ...New AVIATION... .SHORT TERM... (This evening through Sunday) Issued at 211 PM CDT Sat Jul 13 2024 An upper level high situated over northern NM continues to drive the weather picture here in West Texas on this warm summer day. WV imagery shows some weak lift rotating about the NERN periphery of the high making its way out of OK into the Permian Basin. Despite the presence of this area of lift and a region of ectomorphic CAPE in the 15-30kft range, a strong subsidence inversion will keep the already scant moisture for cloud development from being able to access that lift. The top of the boundary layer will continue running around 8-9kft AGL. The result of these comorbid factors (for rain) is a dry forecast for our part of the state. As such, for the remainder of the day, expect similar to last evening. Late tonight, a surge of near surface moisture will move up this way from the hill country resulting in slightly more humid conditions on Sunday morning. This will serve to increase overnight lows a few degrees over what we saw last night. As the boundary layer begins to overturn into Sunday afternoon, the extra moisture will mix out rather effectively with dewpoints returning to values similar to this afternoon. High temperatures for Sunday will be similar to today plus a degree or two. && .LONG TERM... (Sunday night through next Friday) Issued at 211 PM CDT Sat Jul 13 2024 No significant changes have been made to the previous forecast. Hot and dry conditions remain expected through Monday under a broad upper ridge. A shortwave ejecting out of the Rockies may lead to a few isolated showers and thunderstorms over the far southern Panhandle late Tuesday into early Wednesday. A surface cold front will bring the greatest storm chances this week. Guidance is not as agressive with storm development as yesterday with the aforementioned shortwave cut off from the main trough associated with the larger upper low centered over Ontario. This subsequently will mean lesser forcing, however a more moist SE surface flow will develop behind the front and enough instability will build during the otherwise hot and sunny day to trigger at least a threat for scattered thunderstorms across much of the region. Uncertainty exists thereafter, however a building upper ridge to the west would help to curtail any further storm activity into next weekend. Temperatures look to stay relatively cooler after the aforementioned front tracks through, with highs in the mid-to-upper 80s Thursday through next Saturday. && .AVIATION... (00Z TAFS) Issued at 624 PM CDT Sat Jul 13 2024 VFR expected to prevail through this TAF period. South winds will continue this evening and tonight, veering more southwesterly on Sunday morning. && .LUB WATCHES/WARNINGS/ADVISORIES... None. && $$ SHORT TERM...26 LONG TERM....19 AVIATION...30