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 giving birth these days (average date of birth is June 10th) so flights will be diminished, unless a north front moves through that stirs up insect activity.
Sunset: 8:34 pm
Dark: 9:04 pm (10-20 min. earlier if cloudy)
Chiroptorium Bracken 1:12, Frio 1:26, DavisBlowout 1:28, Stuart 1:38, Huber Kyle 1:40, Bracken2 1:48, McNeil 1:50, Fern 1:52, Onion 410&IH35 SanPedro SALutheran Seguin FM1572 1:56, OldTunnel 2:00, Congress(only ~47.3k flew 4 miles NNE – 4.7k went to altitude) SanMarcos SMCenterpoint 2:02, Chiroptorium 2:08, Huber2 WellsBranch Nlamar Crestwood&OIH35 Loyola SanAngelo 2:10, Ney D’Hanis 2:12, Temple EaglePass FosterRd OCFisher 2:16, GrapeCreek 2:24,
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Flight: 8:54 pm
Notes:~21 minutes after sunset (9 mins before dark) only ~47.3k flew 4 miles NNE (4.7k went to altitude) on S Winds at 10 mph – had been S 8-28 mph with gusts to 41 mph around 2:30pm, Visibility 10 miles, A Few Clouds, Temp 82°F, Dew Point 70°F falling, 19 Cooling Degree Days, Cloud Base 2736′, RH 67% rising, Heat Index 86°F, BP 29.96 rising, sea level 1013.5mb rising, bats viewable until 10:27 pm under streetlights
Flight: 8:52 pm
Notes: 19 minutes after sunset (ten minutes before dark), only ~10% of the colony flew 8 miles NNW to meet the outflow boundary and follow it W (only ~5% of the those flew to altitude) on SE Winds at 10 mph – had been S 8-12 mph most of the day with gusts to 20 mph around 4:30pm, Visibility 10 miles, Partly Cloudy, Temp 89°F, Dew Point 75°F rising, 15 Cooling Degree Days, Cloud Base 3192′, RH 63% rising, Heat Index 99°F, BP 29.89 rising, sea level 1010.9 mb rising, bats viewable until 9:35 pm when rain moved in
Outflow boundary from storm over Lake Sommerville heading W toward the I-35 corridor hits Austin at 9:15 pm, Bracketville radar back online, Bracken 1:04, Chiroptorium 1:14, Huber 1:24, Frio 1:26, DavisBlowout 1:28, Stuart 1:44, McNeil 1:48, SanPedro SALutheran 1:50, WellsBranch 1:52, Fern 1:56, Camden 1:58, OldTunnel NLamar Crestwood&IH35 Loyola Congress(8% of the colony flew NNE to meet the outflow boundary and followedit W 2:00, Temple FosterRd 2:18, SanAngelo OCFisher 2:22, EaglePass GrapeCreek 2:26, Ney 2:30,
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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 giving birth these days (average date of birth is June 10th) so flights will be diminished, unless a north front moves through that stirs up insect activity.
Sunset: 8:33 pm
Dark: 9:03 pm (10-20 min. earlier if cloudy)
Flight: 8:58 pm
Notes:25 minutes past sunset (just before dark) only ~13% of the colony flew 8 miles ESE (8% of those flew to altitude) on S Winds at 3 mph – had been southerly 5-9 mph most of the afternoon, Visibility 10 miles, A Few Clouds, Temp 74°F, Dew Point 70°F steady, 9 Cooling Degree Days, Cloud Base 912′, RH 88% rising, Heat Index 79°F, BP 29.85 falling, sea level 1010.1mb falling, bats viewable until 10:05 pm under streetlights
Bracketville radar remains offline, Bracken 1:08, Chiroptorium Huber 1:26, Ney 1:30, BalconesHeights 1:40, SanPedro 1:44, SALutheran 1:48, McNeil NLamar Loyola 2:00, Crestwood&IH35 Congress Scouts 2:04, Congress(only ~13% of the colony flew 8 miles ESE – 8% of those flew to altitude) 2:06, FosterRd 2:18, SanAngelo 2:24, OCFisher GrapeCreek 2:24,
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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 giving birth these days (average date of birth is June 10th) so flights will be diminished, unless a north front moves through that stirs up insect activity.
Sunset: 8:33 pm
Dark: 9:03 pm (10-20 min. earlier if cloudy)
Flight: 9:00 pm
Notes: ~28 minutes after sunset (at dark) only ~4% of the colony flew 6 miles NNE (and only ~5% of those went to altitude) on SE Winds at 7 mph – had been southerly 7-13 mph most of the afternoon, A Few Clouds, Temp 81°F, Dew Point 72°F rising, 15 Cooling Degree Days, Cloud Base 2052′, RH 74% rising, Heat Index 85°F, BP 29.90 rising, sea level 1011.5mb rising, bats viewable until 10:43 pm under streetlights