Winds rushed to meet powerful storms from the west, no CenTex bat flights, Fern may have chased the back edge of the passing storm at 2:42 and 3:36, all other possible flights suppressed or readings confounded by storms

9:10 pm – 9:40 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Chance of a good flight if conditions stable, but likely considerably after dark

Sunset: 8:26 pm
Dark: 8:56 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:31 am 

Flight:  9:40 pm
Scouts:

~75 minutes after sundown (way way after dark) ~8% of the colony flew 6 miles WNW on SE Winds at 7 mph – had been easterly 5-13 mph all afternoon, Visibility 10 miles, Mostly Cloudy with Haze, Temp 88°F, Dew Point 78°F steady, 23 Cooling Degree Days, Cloud Base 2280′, Heat Index 102°F, RH 73% rising, BP 29.88 steady, bats viewable until 10:47 pm under streetlights

SanAngelo radar continues to be offline, heat index of 102°F in late afternoon, rainshowers moving in from the NW passing I-35 corridor at flight time, Bracken SchertzClemens Frio 1:54, Camden 2:04, SCUCISD Fern 2:08, NuecesRR SmythCrossing 2:14, Stuart 2:16, OldTunnel 2:18, rain stops at Congress ~2:06, McNeil 2:42, Congress 2:48,

Flight:  9:22 pm
Scouts: 9:04 pm

~57 minutes after sunset (after dark) ~22% of the colony flew 6 miles SE (~49% went to altitude) on S Winds at 7 mph – had been southerly 7-12 mph all afternoon with gusts to 18 mph around 3pm, Overcast, Temp 87°F, Dew Point 77°F rising, Visibility 10 miles, 22 Cooling Degree Days, Cloud Base 2280′, RH 72% rising, Heat Index 99°F, BP 29.73 rising, bats viewable until 11:49 pm under streetlights

9:10 pm – 9:40 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Chance of a good flight if conditions stable, but likely considerably after dark

Sunset: 8:25 pm
Dark: 8:55 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:31 am 

SanAngelo radar offline, possible seabreeze front heading NW toward DelRio, CuevaMangaDeGarza 1:32, Knippa Fern 1:44, Frio 1:48, Stuart 1:52 as front arrives, CuevaMangaDeGarza2 1:52, Punkin 1:56, Bracken SchertzClemens Camden 1:58, NuecesRR FM1572 2:00, EaglePass 2:02, Rucker 2:06, SCUCISD 2:08, SmythCrossing 2:10, CongressScouts SanMarcos TX28 410&IH35 2:12, Huber McNeil 2:14, OldTunnel 2:18, Congress 2:30,

9:20 pm – 10:00 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Chance of a good flight if conditions stable, but likely considerably after dark

Sunset: 8:25 pm
Dark: 8:55 pm (10-20 minutes earlier if cloudy)
Sunrise: 6:31 am 

Flight:  10:32 pm
Scouts:

~2 hours after sunset only ~3% of the colony flew 4 miles NW on SE Winds at 17 mph – gusts to 25 mph – had been southerly 12-20 mph all afternoon with gusts to 29 mph around 6pm, Temp 88°F, Dew Point 69°F falling, Visibility 10 miles, A Few Clouds, 22 Cooling Degree Days, Cloud Base 4332′, RH 54% falling, Heat Index 93°F, BP 29.70 rising, bats viewable until 11:27 pm under streetlights

Storm between DelRio & EaglePass heading east along US90W to Uvalde, Frio 1:52, TX28 Randolph 1:54, Stuart Fern 2:00, Bracken 2:02, Rucker 2:04, Huber OldTunnel 2:26, Camden Culebra&BanderaRd BalconesHeights 2:28, Congress 3:32 some bats flew after the crowd left, D’Hanis 2:36,