Thursday July 17, 2025

NOAA’s Level I data offline, so we got to Level II data for KEWX (Austin/San Antonio – a smaller domain), Chiroptorium at 1:16, McNeil 1:34, Buda Kyle Bracken 1:38, McNeil2 SCUCISD SchertzClemens TX28 410&IH35 SanPedro 1:48, SALutheran Camden SMRB(Slayden) 1:52, Wimberley Lockhart Floresville 1:56, Crestwood&IH35 Congress(~18% of the colony flew 8 miles ENE – 8% of those went to altitude) 2:00, OldTunnel 2:10, Huber Frio 2:14,

[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]

Thursday July 17, 2025

Flight: 8:52 pm

19 minutes after sunset (close to dark on a Mostly Cloudy evening) ~18% of the colony flew 8 miles ENE (8% of those went to altitude) on SE Winds at 8 mph – had been S 7-13 mph all afternoon with gusts to 20 mph around 3:30pm, Mostly Cloudy, Temp 85°F, Dew Point 69°F rising, 19 Cooling Degree Days, Cloud Base 3648, RH 59% rising, Heat Index 89°F, BP 29.94 rising, sea level 1012.6 mb rising, bats viewable until 10:15 pm under streetlights

Wednesday July 16, 2025

Southerly flow all day, Chiroptorium 1:24, McNeil 1:34, Seguin 1:36, Bracken 1:42, SanMarcos SMCenterpoint SCUCISD 1:46, Frio 1:48, SchertzClemens TX28 410&IH35 SanPedro 1:50, SALutheran Camden SMRB(Slayden) 1:54, WellsBranch Crestwood&IH35 2:02, Congress(only ~9% of the colony flew 8 miles NNE – only 4% of those went to altitude) Wimberley Lockhart 2:04, OldTunnel Huber Temple NLamar Rucker 2:08, US277&TX55 2:16, JamesRiver SanAngelo 2:18, BeaverCreek 2:22, SanAngeloStatePark GrapeCreek 2:28, Stuart Fern FosterRd 2:30,

[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]

Wednesday July 16, 2025

Flight: 8:56 pm

22 minutes after sunset (8 mins before dark) only ~9% of the colony flew 8 miles NNE (only 4% of those went to altitude) on S Winds at 8 mph – had been S 9-15 mph all afternoon with gusts to 25 mph around 5:30, A Few Clouds, Temp 86°F, Dew Point 69°F falling, 21 Cooling Degree Days, Cloud Base 3876, RH 57% rising, Heat Index 90°F, BP 29.90 rising, sea level 1011.4 mb rising, bats viewable until 10:19 pm under streetlights

Tuesday July 15, 2025

Storms from the S crossing US90W west of SanAntonio, same at Bracketville, Chiroptorium 1:16, Frio 1:22, McNeil 1:26, Bracken 1:36, SanMarcos SMCentepoint NewBraunfels SCUCIS SchertzClemens 1:48, WellsBranch Crestwood&IH35 2:00, Temple Congress(only ~4% of the colony flew 8 miles NNE – only 3% of those went to altitude) 2:04, Huber 2:06, OldTunnel 2:08, SMRB(Slayden) 2:14, SanAngelo FosterRd 2:20, DavisBlowout 2:24, Rucker 2:26, Fern 2:30, GrapeCreek 2:32, other flights suppressed or readings confounded by weather

[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]

Thursday July 17, 2025

8:40 pm – 9:10 pm

when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no strong wind or rain in the area, If conditions look good (low or no wind), get there early!
The Congress bats are starting to wean their pups, so flights may pick up soon, especially if a front moves through that stirs up insect activity.

Sunset: 8:33 pm
Dark: 9:03 pm (10-20 min). earlier if cloudy)
Sunrise: 6:41 am

Tuesday July 15, 2025

Flight: 8:56 pm

22 minutes after sunset (8mins before dark) only ~4% of the colony flew 8 miles NNE (only 3% of those went to altitude) on S Winds at 7 mph – had been S 12-14 all afternoon gusting to 22 mph from SE around 6:30pm, A Few Clouds, Temp 85°F, Dew Point 71°F rising, 19 Cooling Degree Days, Cloud Base 3192′, RH 63% rising, Heat Index 90°F, BP 29.94 rising, sea level 1012.5 mb rising, bats viewable until 9:57 pm under streetlights

Monday July 14, 2025

Storms moving N from LakeTravis early and N through EaglePass late, Frio 1:04, Chiroptorium Bracken 1:22, McNeil 1:28, SanMarcos NewBraunfels SCUCISD TX28 SchertzClemens SanPedro Seguin 1:46, SMCenterpoint 1:50, WellsBranch Crestewood&IH35 1:56, Congress(only ~8% of the colony flew – some went 4 miles SSW while most went 8 miles NNE – only 2% of those went to altitude) Lockhart Wimberley 1:58, Huber 2:00, Temple NLamar 2:04, OltTunnel Thorndale Ney 2:08, D’Hanis 2:10, JamesRiver 2:16, Rucker 2:20, Stuart 2:30, Fern 2:36,

[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]

Monday July 14, 2025

Flight: 8:50 pm

16 minutes after sunset (just before dark on a Mostly Cloudy evening) only ~8% of the colony flew – some went 4 miles SSW while most went 8 miles NNE (only 2% of those went to altitude) on SE Winds at 8 mph – had been southerly 3-12 mph with gusts to 18 mph around 6:30pm, Mostly Cloudy, Temp 80°F, Dew Point 69°F falling, 18 Cooling Degree Days, Cloud Base 2508′, RH 69% rising, Heat Index 83F, BP 30.00 rising, sea level 1014.8 mb rising, bats viewable until 10:05 pm under streetlights

Sunday July 13, 2025

Storms dissipating in E Texas but developing over EaglePass, RockSprings, and Georgetown, Bracken 0:46, McNeil 1:30, Frio 1:34, Chiroptorium 1:36, SanPedro 1:46, DavisBlowout 1:50, Congress(~80% of the colony flew – some went 4 miles SSW while most went 8 miles NNE – only 2% of those went to altitude) 1:52, Huber Lockhart 2:00, JamesRiver 2:08, OldTunnel BeaverCreek D’Hanis 2:10, FosterRd OCFisher 2:18, Ney 2:20, SanAngelo 2:28, GrapeCreek 2:32,

[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]