7:30pm

14 minutes before sunset ~20% of the colony flew 12 miles ENE (4% of those went to altitude to hunt migrating moths) on SE winds at 10 mph that were settling toward 7 mph – had been southerly 13-18 mph all afternoon with gusts to 30 mph, Visibility 10 miles, A Few Clouds, Temp 84°F, Dew Point 34°F steady, 1 Heating Degree Day, Cloud Base 11,400′, RH 17% rising, Heat Index 81°F, BP 29.93 steady, bats viewable until 8:29 pm under streetlights

flight prediction test

7:22pm

22 minutes before sunset a first flight of ~36.4k flew 14 miles SE on NW Winds at 10 mph – had been northerly 13-18 mph all afternoon with gusts to 32 mph, Visibility 10 miles, Fair, Temp 73°F, Dew Point 19°F falling, 9 Heating Degree Days, Cloud Base 12,312′, RH 13% rising, Heat Index N/A, BP 29.94 steady, bats viewable until 8:21 pm under streetlights

7:26pm

18 minutes before sunset, only ~14.04k flew 8 miles out, some SW & some SE (0% to altitude) on NW Winds at 12 mph gusting to 20 mph – had been NW 9-16 mph most of the afternoon with gusts to 23 mph, Visibility 10 miles, Mostly Cloudy, Temp 66°F, Dew Point 21°F falling, 11 Heating Degree Days, Cloud Base 10,260′, RH 18% falling, Heat Index N/A, BP 29.97 rising, bats viewable until 8:27 pm under streetlights

7:42pm

1 minute before sunset only ~2.05k braved the cold and wind to fly 14 miles SE –  Winds NW at 10 mph – gusts to 24 mph – had been NW 10-20 mph all afternoon with gusts to 33 mph, Temp 58°F, Dew Point 32°F falling, 10 Heating Degree Days, Cloud Base 5928′, RH 38% steady, Heat Index N/A, BP 29.92 rising, bats viewable until 8:21 pm under streetlights.

7:38pm

5 minutes before sunset ~25,000 brave and noble bats waited until the tornado went by then flew 4 miles NW to meet another storm and see if it was pushing any insects along its leading edge (10% went to altitude) – Winds S at 10 mph – had been southerly 17-23 mph all afternoon with gusts to 37 mph, Visibility 8 miles, Thunderstorm Light Rain turning Mostly Cloudy, Temp 72°F, Dew Point 68°F steady, 4 Cooling Degree Days, Cloud Base 912′, RH 87% rising, Heat Index 79°F, BP 29.58 rising, Sea Level had been 999.9 mb just an hour earlier, bats viewable until 9:04 pm when another storm arrived. The bats must have had so much fun flying up toward that oncoming thunderhead with the glorious sunset light illuminating their hunting!

7:42pm

right at sundown ~80.5k flew 12 miles N on SE Winds at 16 mph – had been southerly 12-24 mph all afternoon with gusts to 33 mph, Visibility 10 miles, Mostly Cloudy, Temp 73°F, Dew Point 39°F steady, 9 Cooling Degree Days, Cloud Base 7752′, RH 29% rising, Heat Index N/A, BP 30.02 falling, bats viewable until 9:15 pm under streetlights

7:34pm

7 minutes after sunset ~134.6k (the largest snapshot) flew 12 miles SE – 40% flew to altitude into SE winds at 8 mph – had been easterly Light & Variable around 3-5 mph all afternoon, Visibility 10 miles, A Few Clouds, Temp 70°F, Dew Point 29°F rising, 8 Heating Degree Days, Cloud Base 9348′, RH 22% rising, Heat Index N/A, BP 30.13 rising, bats viewable until 9:31 pm under streetlights

7:26pm

15 minutes before sunset ~43.7k flew SW & SSE, followed by ~6.6k at 7:52 pm and ~7.3k at 8:06 pm – Winds N at 15 calming down toward 8 mph from an afternoon of steady winds NW 14-17 mph with gusts to 29 mph , Visibility 10 miles, Fair, Temp 70°F, Dew Point 28°F falling, 7 Heating Degree Days, Cloud Base 9576′, RH 21% rising, Heat Index N/A, BP 30.02 rising, bats viewable until 8:33 pm under streetlights

23 March 2022 Local Date – (24 March 2022 UTC) – times are also UTC (subtract 6:08 hours for CST of flights)
Chilly & windy evening, SMCenterpoint Hubertus Randolph 410&IH35 0:24, SchertzClemens SanPedro Culebra&BanderaRd Seguin 0:30, Congress SanMarcos 0:34, CedarPark McNeil UT 0:42, Buda MustangRidge Wimberley 0:46, Temple 0:48, Lockhart Camden Luling Gonzales 0:50, Bracken 0:56, Jarrell 0:58, Thorndale 1:10, GrapeCreek FosterRd 1:12,
2022-03-24_UTC