26 March 2021 (27 March 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
D’Hanis 23:42, Stuart 23:44, SmythCrossing 23:52, GrapeCreek 0:12, Nueces 0:18, SMCenterpoint FairOaksRanch 0:24, Frio90 Sabinal 0:26, Bracken Hwy1572 0:30, PedernalesFalls Blanco BeeCliff NLamar Wimberley Culebra&BanderaRd 0:32, McNeil 0:36, Pinto 0:38, 410&IH35 Crownridge EaglePass 0:40, SanMarcos SanPedro 0:44, Stuart2 0:48, DavisBlowout Temple WellsBranch (~7,149) Howard (~9,733 – ~1.6k to altitude) Congress 0:50, FosterRd 0:52, Chirop (first of the year) Seguin SMRB (SanMarcosRiverBridge S of Luling) (~81,639) 0:54, FtHood Lockhart Floresville 0:58, Salado ABIA Loyola Dittmar 1:04, Chirop2 1:10,
2021-03-27_UTC

25 March 2021 (26 March 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
Nueces 23:06, D’Hanis SmythCrossing 23:22, Salado 23:50, FairOaksRanch 23:54, Frio90 23:56, GrapeCreek 0:08, Rucker Pinto 0:18, Culebra&BanderaRd 0:20, Hwy1572 0:22, Randolph 0:30, Leander SMCenterpoint Bracken (~406,189 – ~26k to altitude) TX28 410&IH35 Frio (first of the year) 0:32, McNeil (~42.2k) 0:40, Blanco SanPedro Brktvl Stuart 0:42, WellsBranch (~3,924) Lakeway Congress 0:46, Howard (~5,809) 0:50,
2021-03-26_UTC

24 March 2021 (25 March 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
Tornado warnings suppressed flights, altered behavior, TX28 FosterRd 0:00, D’Hanis 0:04, Stuart 0:08, FairOaksRanch 0:14, Crownridge 0:20, Frio 0:24, Wimberley Randolph Culebra&BanderaRd 0:26, McNeil 410&IH35 SanPedro 0:32, Howard UT NLamar BeeCliff Decker SMCenterpoint Bracken 0:34, SanMarcos 0:38, WellsBranch 0:40, Seguin 0:42, Congress 0:46, DavisBlowout (first of the season) 0:48,
2021-03-25_UTC

23 March 2021 (24 March 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
SmythCrossing (~70k) 23:24, D’Hanis 23:30, FosterRd 23:38, GrapeCreek 23:42, Stuart Punkin Rucker 23:52, Nueces 0:00, FairOaksRanch 0:14, Kyle 0:18, Crownridge 0:22, Duncan 0:28, Vanderpool 0:32, McNeil (~73,393) Wimberley 410&IH35 Bandera&Culebra 0:36, Oracle 0:40, Congress 0:42, SMCenterpoint SanPedro 0:44, Blanco SMRB (first of the year) Bracken Randolph Seguin 0:48, Temple FtHood WellsBranch (~2,286 more earlier) UT Loyola 0:52, Howard (~2,724 more earlier) 0:54, Lockhart 1:02, Stuart 1:26, Frio (first of the year) 1:30,
2021-03-24_UTC

22 March 2021 (23 March 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
EaglePass 0:16, Camden Bandera&Culebra Lackland 0:20, GrapeCreek FosterRd 0:30, Uvalde Nueces SmythCrossing Pinto 0:34, SanPedro 0:36, Brktvl 0:42, Wimberley 0:44 after rain, McNeil (~20.7k) 0:46 after rain, Bracken (~274,651 a day behind the weather again) Randolph CrownPoint 0:48, Howard (~284) Leander BeeCliff 0:52, WellsBranch (~100) 0:56, Congress (< 2k) 1:04,
2021-03-23_UTC

21 March 2021 (22 March 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
D’Hanis WofSabinal Nueces SmythCrossing 0:14, CanyonVistaMS 0:16, Lakeline FairOaksRanch Frio90 0:24, Woodlawn BanderaRd Heritage 0:28, SanPedro 0:36, McNeil (~73,457 – ~23k of those to altitude) 0:38, Wimberley CrownridgeCanyonNA 0:40, Schertz Randolph 0:42, BeeCliff Oracle 0:44, Congress (~13% of summer peak) 0:48, CedarPark WellsBranch (~7,125 – ~1.7k of those to altitude) 0:52, Howard (~5,174 – few to altitude) UT 0:58, Loyola 1:12,
2021-03-22_UTC

20 March 2021 (21 March 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
Nueces 23:54, Camden 0:08, Uvalde 0:12, GrapeCreek 0:16, Randolph 0:20, FosterRd 0:26, Frio90 SmythCrossing 0:30, Oracle BeeCliff SMCenterpoint 0:34, McNeil (~36,452) SanMarcos TX28 410&IH35 BanderaRd 0:40, Cronwnridge 0:42, Congress (biggest so far this season – way bigger than Bracken) Dittmar MustangRidge Wimberley Seguin 0:46, FtHood Temple Howard (~6,137) 0:48, OnionCreek SanPedro 0:50, UT Loyola 0:54, Bracken (~37,294) SMRB 0:56, WellsBranch (~8,820) ABIA 1:00, Elgin 71&21 Lockhart 1:08,
2021-03-21_UTC

19 March 2021 (20 March 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
WofSabinal Uvalde Nueces 23:44, SmythCrossing 0:10, TeraVista Buda Kyle 0:20, 360&2222 Congress(tiny) SMCenterpoint 0:22, 410&IH35 Randolph FairOaksRanch 0:26, Oracle 0:22, UT Congress Pinto 0:40, McNeil (~8,395) Taylor 0:42, MustangRidge Wimberley Hubertus Camden 0:44, Howard (~8,833) 0:50, WellsBranch (~1,998) Leander Dittmar SanMarcos Seguin 0:52, Timberwood 0:56, Bracken (~27,697) 1:00,
2021-03-20_UTC

SmythCrossing 23:02, Nueces 23:20, N front moves through Austin, WofSabinal 23:36, SWofKickapooCSP 0:06, 410&IH35 0:22, Pinto 0:24, Calavera 0:30, Randolph BalconesHeights Floresville 0:32, SMCenterpoint 0:40, McNeil (only ~12,720) Oracle MustangRidge 0:44, Seguin 0:46, Buda SanMarcos Wimberley Hubertus Gonzales 0:48, Leander CedarPark Howard (~8,561) Loyola ABIA 0:52, WellsBranch (~229) 0:54, Temple Salado Congress (only~1% of summer peak colony flew a few miles SE) 0:58, Bracken (only ~20,141) 1:02,
2021-03-19_UTC

17 March 2021 (18 March 2021 UTC) – times are also UTC (subtract 5:10 hours for CDT)
SmythCrossing 22:40, Camden 23:02, Nueces 23:08, D’Hanis 23:12, Stuart (~117k – ~70K headed SE to altitude) 23:18, SanMarcos TX28 23:28, Pinto (~14.3k) 0:18, SMCenterpoint Seguin 0:34, Bracken biggest so far this year by 4 times – a day behind the weather as usual (~463k – only 8.6k to altitude with strong following wind) SanPedro BalconesHeights 0:38, McNeil WellsBranch (~2,616) Congress (only a tiny portion of summer peak ~1%) 0:42, 410&IH35 Randolph 0:44, Wimberley SanMarcos Crownridge 0:46, Howard (~2,549) Loyola 0:48, Dittmar 0:50, UT BeeCliff Lockhart Gonzales 0:54,
2021-03-18_UTC