13 September 2021 Local Date (14 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Moisture & scattered storm streaming in from the E off of Tropical Storm Nicholas, Frio 0:18, Chiroptorium 0:32, OldTunnel Bracken 0:50, Randolph 0:56, McNeil 0:58, SanPedro Culebra&Bandera 1:00, Wimberley SanMarcos SMCenterpoint Seguin 1:04, Huber WellsBranch UT Loyola Dittmar SMRB-Slayden LeonSprings Camden Frio2 FM1570 Stuart 1:08, Congress 1:10, NuecesRR 1:12, Crownridge Ney D’Hanis GrapeCreek FosterRd 1:18, EagelPass Maverick 1:26, Devil’sSinkhole 1:34, Fern 1:40,
2021-09-14_UTC

12 September 2021 Local Date (13 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Outflow boundaries from Tropical Storm Nicholas pass through early, Frio 0:38, Bracken Randolph Seguin 0:56, Blanco SanMarcos SMCenterpoint 1:00, TX28 410&IH35 SanPedro Camden 1:02, Wimberley Luling 1:06, OldTunnel Chiroptorium Huber FtHood McNeil UT Loyola Congress Dittmar Crownridge LeonSprings SMRB-Slayden FM1572 1:10, Onion Kyle NuecesRR Stuart 1:14, WellsBranch 1:18, Salado BeeCave Lockhart GrapeCreek FosterRd 1:20, Vanderpool Maverick 1:22, D’Hanis EaglePass Fern 1:28, DavisBlowout 1:32, JamesRiver Devil’sSinkhole 1:36, BeaverCreek 1:38,
2021-09-13_UTC

11 September 2021 Local Date (12 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Frio 0:46, Bracken 1:02, OldTunnel Randolph Seguin 1:06, Chiroptorium Huber TX28 Randolph 410&IH35 Camden Stuart 1:10, SanMarcos SMCenterpoint NewBraunfels SMRB-Slayden FM1572 1:16, McNeil Loyola 1:18, Dittmar 1:20, Fern FosterRd 1:22, DavisBlowout BeeCave UT Congress Wimberley Crownridge LeonSprings Ney 1:24, Onion 1:28, JamesRiver Vanderpool D’Hanis EaglePass Maverick Devil’sSinkhole (another rare showing) GrapeCreek 1:32, BeaverCreekk 1:38,
2021-09-12_UTC

10 September 2021 Local Date (11 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Seabreeze dissipates before reaching I-35 corridor, Frio 0:56, Chiroptorium SanMarcos Bracken TX28 Randolph Seguin Stuart 1:10, Huber 1:16, OldTunnel Wimberley SanMarcos SMCenterpoint 410&IH35 SanPedro Camden 1:18, NuecesRR FM1572 Fern 1:20, DavisBlowout BeeCave UT CongressScouts Dittmar Buda Kyle Ney Crownridge LeonSprings SMRB-Slayden 1:24, SmythCrossing Rucker (tiny) 1:26, McNeil Loyola Congress GrapeCreek FosterRd 1:30, D’Hanis Vanderpool Devils’Sinkhole (again finally) EaglePass Maverick 1:34, JamesRiver 1:38, Sabinal 1:42, BeaverCreek 1:44, Huber bats show up at Congress at 4:48,
2021-09-11_UTC

09 September 2021 Local Date (10 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Clear skies in the SBA, Frio 1:00, NewBraunfels Bracken Seguin 1:10, SanMarcos SMCenterpoint 1:12, OldTunnel Chiroptorium Blanco Wimberley TX28 Randolph Camden Stuart 1:16, FM1572 Bracketville Fern 1:22, McNeil CongressScouts 1:26, DavisBlowout Congress Dittmar Onion Buda Kyle Crownridge LeonSprings SMRB-Slayden Ney NuecesRR SmythCrossing 1:30, JamesRiver GrapeCreek FosterRd 1:38, Sabinal 1:44,
2021-09-10_UTC

08 September 2021 Local Date (09 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Strong N front pushes into the Hill Country carrying migrating moths southward, Frio 1:02, OldTunnel (as front arrives) Chiroptorium 1:06, Huber 1:08, Bracken NewBraunfels Seguin 1:10, SanMarcos SMCenterpoint Lockhart TX28 Randolph 410&IH35 Camden 1:14, DavisBlowout on edge of front 1:16, Wimberley SanPedroCrownridge LeonSprings FM1572 1:20, Congress Dittmar 1:24, UT Loyola 1:26, BeeCave Rucker EaglePass 1:28, Onion 1:32, Fern 1:34,
2021-09-09_UTC

07 September 2021 Local Date (08 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Storms early from DelRio to EaglePass, Chiroptorium 0:42, Frio 0:54, Bracken 1:04, OldTunnel Huber Seguin 1:10, Wimberley SanMarcos SMCenterpoint TX28 Randolph 410&IH35 SanPedro Camden 1:14, DavisBlowout McNeil BeeCave CongressScouts Loyola SMRB-Slayden Crownridge Ney 1:22, NuecesRR FM1572 1:26, Congress Dittmar 1:28, GrapeCreek FosterRd 1:30, JamesRiver D’Hanis Fern 1:40,
2021-09-08_UTC

06 September 2021 Local Date (07 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Widespread thunderstorms from the N suppressed flights and confounded reflectivity, storms over New Braunfels at 3 pm CDT, strong outflow boundary starts S of Seguin around 4 pm CDT, sweeps South across S Texas crossing through EaglePass at 0:48 UTC, Frio 0:32 heads S between storms, Bracken 1:02 in the rain reached Seguin at 1:48, strong storm over Congress at 1:10 changed to light rain at 1:24, no discernable Congress flight
2021-09-07_UTC

05 September 2021 Local Date (06 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Strong N front from BigLake to Georgetown approaching early, hits McNeil at 0:40, Ney 0:28, Frio 0:44, Kyle SMCenterpoint Hubertus Seguin 0:52, OldTunnel 0:56, Chiroptorium 1:00, Bracken 1:08, McNeil (just after front) SanMarcos TX28 Randolph 1:12, UT Loyola 1:16, Congress Wimberley SanPedro Camden Luling SMRB-Slayden Ney2 1:20, Dittmar Crownridge LeonSprings 1:22, FM1572 1:24, D’Hanis Stuart EaglePass 1:32, Fern 1:54,
2021-09-06_UTC

04 September 2021 Local Date (05 September 2021 UTC) – times are also UTC (subtract 5:08 hours for CDT of flights)
Frio 0:48, Chiroptorium 1:00, OldTunnel 1:06, Huber 1:08, SanMarcos Bracken TX28 Randolph Seguin 1:12, McNeil 1:16, Blanco UT Loyola SMCenterpoint 410&IH35 Camden Luling 1:20, BeeCave CongressScouts 1:22, WellsBranch Congress Dittmar Wimberley SanPedro Crownridge LeonSprings SMRB-Slayden Ney 1:26, FosterRd 1:28, NuecesRR FM1572 1:30, Onion Buda GrapeCreek 1:32, Vanderpool Stuart EaglePass Maverick 1:38, D’Hanis Sabinal 1:42,
2021-09-05_UTC