25 July 2021 Local Date (26 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
JamesRiver 0:40, Chiroptorium 0:44, DavisBlowout 1:26, Frio 1:28, Bracken 1:32, Seguin 1:44, McNeil 1:46, TX28 Randolph SanPedro Rucker 1:48, SanMarcos SMCenterpoint 1:52, NuecesRR Stuart 1:56, OldTunnel UT 2:00, JamesRiver2 SmythCrossing 2:04, WellsBranch Congress FosterRd 2:06, GrapeCreek 2:08, EaglePass Maverick 2:10, BeaverCreek HowardLane 2:14, Huber 2:20, Fern 2:24, JamesRiver3 2:28,
2021-07-26_UTC

24 July 2021 Local Date (25 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
Clear & Calm, Chiroptorium 0:04, JamesRiver 1:12, Bracken Frio 1:40, Chirop2 1:44, Seguin US277&TX55 1:48, McNeil TX28 SanPedro 1:52, Randolph 1:56, D’Hanis 2:00, Stuart 2:02, OldTunnel NLamar UT Loyola 2:06, Congress 2:10, EaglePass Maverick 2:16,
2021-07-25_UTC

23 July 2021 Local Date (24 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
JamesRiver 1:06, Chiroptorium 1:12, Bracken 1:38, Frio 1:42, Seguin1:44, McNeil TX28 Randolph 410&IH35 SanPedro Camden 1:54, SanMarcos SMCenterpoint Rucker 1:58, Crownridge GrapeCreek FosterRd 2:04, Chirop2 UT 2:08, Stuart 2:10, OldTunn{“type”:”block”,”srcClientIds”:[“2ad8438b-3483-4ce3-b08e-ef507541cd74″],”srcRootClientId”:””}el 2:12, Congress 2:14, DavisBlowout 2:18, Huber 2:20, D’Hanis EaglePass Maverick 2:24, Fern 2:32,
2021-07-24_UTC

22 July 2021 Local Date (23 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
Strong storm up the IH35 corridor dissapating just before flight time, JamesRiver Bracken Frio 1:40 (all 3 far-flung caves flew at sunset), McNeil 1:54, 410&IH35 Camden 2:00, Chiroptorium 2:02 much diminished in past few days – likely moved), Congress 2:04, Rucker Stuart 2:08, Dittmar 2:10, OldTunnel DavisBlowout Huber 2:16, Fern 2:46,
2021-07-23_UTC

21 July 2021 Local Date (22 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
Another outflow boundary from the E seems to fade just pase IH35 corridor at flight time, Bracken Frio 1:44, Randolph 410&IH35 Seguin 1:56, SanMarcos SMCenterpoint 2:00, SanPedro Camden 2:02, Rucker 2:08, Stuart 2:12, JamesRiver 2:14, OldTunnel D’Hanis Maverick 2:22, EaglePass 2:26 as outflow boundary approaches from S, Congress (after rain) Fern 2:32,
2021-07-22_UTC

20 July 2021 Local Date (21 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
Outflow boundary passes Round Rock to S at 1:32, Another passes Stuart to N at 1:32, Bracken 1:32, Frio 1:36, Chiroptorium 1:38, Congress 2:06, Ney 2:08, UT 2:12, Stuart & Rucker on either side of boundary 2:12, OldTunnel 2:14, US277&TX55 2:16, D’Hanis 2:20, Fern 2:22, Frio chases insects pushed by the outlfow boundary to N, Congress chases insects pushed by outflow boundary to the S, Bracken flies N to meet same one
2021-07-21_UTC

19 July 2021 Local Date (20 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
Strong front (37 mph winds and thunderstorms) passes Bracken at 22:24 (5:18 pm CDT), Frio 0:46, Chrioptorium 0:52, JamesRiver 0:58, DavisBlowout 1:00, Bracken 1:22 (~8:16 pm CDT) after storm, OldTunnel 1:36, Frio2 US277&TX55 1:44, McNeil Rucker 1:48, Congress (way earlier after storm) 1:52, Fern 1:54, Stuart 1:58,
2021-07-20_UTC

18 July 2021 Local Date (19 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
JamesRiver 0:44, Chiroptorium 1:22, DavisBlowout 1:24, Bracken Frio 1:36, McNeil 1:44, Rucker 1:50, SanMarcos SMCenterpoint 1:52, TX28 Randolph SanPedro 1:56, JamesRiver2 Stuart Fern 1:58, Camden 2:02, OldTunnel 2:10, US277&TX55 2:12, Congress 2:18
2021-07-19_UTC

17 July 2021 Local Date (18 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
DavisBlowout 0:56, JamesRiver 0:58, Chiroptorium 1:00, Bracken 1:34, Rucker 1:42, McNeil 1:48, Fern 1:50, 410&IH35 SanPedro 1:56, Stuart 1:58, Camden 2:04, UT 2:08, Vanderpool 2:10, OldTunnel Congress SmythCrossing NuecesRR 2:14, Huber 2:22, EaglePass Maverick GrapeCreek FosterRd 2:24,
2021-07-18_UTC

16 July 2021 Local Date (17 July 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT)
Stable conditions, JamesRiver Chiroptorium 0:50, DavisBlowout 1:04, Bracken 1:36, Rucker 1:40, McNeil Frio 1:46, Chirop2 1:50, Stuart Fern 1:54, 410&IH35 SanPedro Camden 1:58, SanMarcos SMCenterpoint 2:02, OldTunnel GrapeCreek FosterRd 2:10, UT 2:14, WellsBranch Congress 2:20, Vanderpool SmythCrossing EaglePass Maverick 2:22, D’Hanis 2:28,
2021-07-17_UTC