A mesoscale convective vortex approached the region from the north on the afternoon of the 29th. As a result, isolated thunderstorms developed under a deeply mixed atmosphere.
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The episode as NWS LUB wrote it up.
A mesoscale convective vortex approached the region from the north on the afternoon of the 29th. As a result, isolated thunderstorms developed under a deeply mixed atmosphere. A landspout was observed along an outflow boundary underneath a convective storm east of Reese Center (Lubbock County).
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lubbock, TX wrote its last area forecast discussion before the first event at Aug 29, 1:50 PM CST, 2 hours 14 minutes earlier.
Area Forecast Discussion National Weather Service Lubbock TX 250 PM CDT Tue Aug 29 2023 ...New SHORT TERM, LONG TERM... .SHORT TERM... (This evening through Wednesday) Issued at 204 PM CDT Tue Aug 29 2023 Water vapor imagery early this afternoon depicts a well-defined midlevel shortwave trough transiting southward over the TX Panhandle, with isolated shower development over the southern TX Panhandle already noted as of 19z. Additional iso-sct convective development is expected across the region late this afternoon through early this evening as the fairly broad zone of midlevel lift spreads over the region, with the highest coverage generally east of I-27 as midlevel subsidence increases towards the TX/NM state line. A few strong wind gusts along with brief downpours will be possible through this evening, but instability remains meager with MUCAPE values generally less than 750 J/kg. Storms will quickly fade late this evening as the shortwave exits to the south with a drier airmass and broad surface ridging spreading overhead tonight. Light winds and clear skies will also support very efficient radiational cooling with temperatures expected to fall into the 60s off the Caprock with upper 50s expected across portions of the South Plains and SW TX Panhandle by Wednesday morning. Dry conditions and light winds continue area-wide Wednesday, but broadening upper troughing over the SE CONUS will keep the core of the ridge at bay for one more day, with temperatures Wednesday topping out in the upper 80s to middle 90s. && .LONG TERM... (Wednesday night through next Monday) Issued at 204 PM CDT Tue Aug 29 2023 The upper ridge over the southwestern US will slowly move to the east through the remainder of this week. Thickness values will respond by increasing each day leading to rising temperatures back well above seasonal averages during the second half of the week. This weekend, the upper ridge will continue its eastward motion and amplify over the Mississippi River valley. We will see no reprieve from warm temperatures during this time period with near zero chance of rainfall. Although beyond the scope of this forecast, a weakness in the ridge may develop around the middle of next week allowing for mid-level moisture to stream overhead. This may bring slight convective chances back into the region. && .AVIATION... (18Z TAFS) Issued at 1216 PM CDT Tue Aug 29 2023 VFR expected to prevail through this TAF period. Isolated TS expected in vicinity of all sites late this afternoon with potential for strong/erratic wind gusts and brief visby reductions. Convection will clear this evening with light winds expected thereafter. && .LUB WATCHES/WARNINGS/ADVISORIES... None. && SHORT TERM...30 LONG TERM....01 AVIATION...30
Hazardous Weather Outlook National Weather Service Lubbock TX 253 AM CDT Tue Aug 29 2023 TXZ021>044-300800- Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd- Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum- Terry-Lynn-Garza-Kent-Stonewall- 253 AM CDT Tue Aug 29 2023 This Hazardous Weather Outlook is for the South Plains, Rolling Plains, and the far Southern Texas Panhandle. .DAY ONE...Today and tonight. Isolated showers and thunderstorms are possible this afternoon and evening across the entire region. The strongest storms will be capable of producing brief heavy rainfall along with the potential for a few strong wind gusts to 50 mph. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Hazardous weather is not expected at this time.
The national radar mosaic for the moment the first event began.
1 strong wind. Local standard time, as filed.
LANDSPOUT. Location: 33.561N/101.973W. A short lived land spout was observed over open land east of Reese Center.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Texas in 2023Every state in 2023This day in weather historyWarnings in Texas, August 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1116964.