-22 minutes after sunset (8 mins before dark) ~37% of the colony flew 14 miles SSW (~27% of those climbed to altitude) on E Winds at 7 mph – had been easterly 7-12 mph with gusts to 20 mph around 6:30pm , A Few Clouds, Temp 89°F, Dew Point 68°F rising, 18 Cooling Degree Days, Cloud Base 4788, RH 50% rising, Heat Index 93°F, BP 30.06 rising, sea level pressure 1016.8 mb rising, bats viewable until 11:19 pm under streetlights
Bracken 0:56, Frio 1:18, Chiroptorium Randolph SanPedro 1:24, SMCenterpoint SALutheran 1:30, SanMarcos Seguin 1:34, McNeil 1;36, OldTunnel Wimberley SanMarcos 1:38, Dittmar 1:42, Congress(a whopping ~79% of the colony flew 14 miles SSW ~18% of those climbed to altitude) 1:44, Lockhart D’Hanis Ney 1:52, SMRB(Slayden) 1:52, DavisBlowout 2:04, JamesRiver 2:10, Huber Vanderpool Rucker SanAngelo FosterRd 2:12, Webb 2:16, GrapeCreek 2:18, Stuart Fern US277&TX55 2:20,
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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 have weaned their pups, so flights can be great nowadays, especially if a front moves through that stirs up insect activity.
Sunset: 8:19 pm
Dark: 8:49 pm (10-20 min). earlier if cloudy)
Sunrise: 6:53 am
-13 minutes after sunset (7 mins before dark on a Mostly Cloudy evening) a whopping ~79% of the colony flew 14 miles SSW (~18% of those climbed to altitude) on E Winds at 5 mph – had been easterly 3-8 mph most of the afternoon after gusting to 25 mph around noon , Mostly Cloudy, Temp 84°F, Dew Point 68°F steady, 18 Cooling Degree Days, Cloud Base 3648, RH 59% rising, Heat Index 87°F, BP 29.98 rising, sea level pressure 1014.0 mb rising, bats viewable until 9:29 pm under streetlights
Seabreeze from Luling to Floresville heading NW at flight time, Bracken 0:56, Frio 1:16, Chiroptorium 410&IH35 SanPedro 1:30, SanMarcos SMCenterpoint 1:34, McNeil SALutheran Seguin 1:38, OldTunnel WellsBranch Crestwood&IH35 Congress(only ~26% of the colony flew 12 miles SSW ~23% of those climbed to altitude) Dittmar Wimberley Lockhart 1:44, SMRB(SLayden) 1:52, D’Hanis 1:58, Ney 2:02, JamesRiver 2:08, Fern 2:12, SanAngelo FosterRd GrapeCreek 2:16, US277&TX 2:18, Stuart Rucker 2:22,
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-13 minutes after sunset (17mins before dark) only ~26% of the colony flew 12 miles SSW (~23% of those climbed to altitude) Winds Variable – had been Light & Variable all afternoon , A Few Clouds, Temp 91°F, Dew Point 68°F steady, 20 Cooling Degree Days, Cloud Base 5244, RH 47% rising, Heat Index 95°F, BP 29.88 steady, sea level pressure 1010.5 mb rising, bats viewable until 9:47 pm under streetlights
Storms sweeping S across the Hill Country, outflow boundary moving E through Austin around 22:14, Frio 0:50 as oncoming storm dissipates, McNeil 1:12, Chiroptorium 1:26, McNeil2 SMCenterpoint D’Hanis 1:30, Congress(~63% of the colony flew 14 miles SE ~27% of those climbed to altitude) 1:34, OldTunnel WellsBranch Crestwood&IH35 Loyola Dittmar Kyle 1:38, Wimberley SMRB(Slayden) 1:44, DavisBlowout Lockhart 1:48, Congress2 Rucker 2:04, Fern 2:16, other flights suppressed or readings confounded by storms
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-2 minutes after sunset (12 mins before dark on a Mostly Cloudy evening) ~63% of the colony flew 14 miles SE (~27% of those climbed to altitude) into SE Winds at 3 mph – had been Light & Variable turning N around 3:30 with gusts to 26 mph before a Thunderstorm around 5:30 pm , Mostly Cloudy, Temp 82°F, Dew Point 71°F steady, 23 Cooling Degree Days, Cloud Base 2508, RH 69% rising, Heat Index 86°F, BP 30.04 falling, sea level pressure 1016.2 mb falling, bats viewable until 9:35 pm under streetlights
Widespread storms moving S across the Hill Country, outflow boundary passes S through Austin at 23:00 (5:52pm), storm passes S just W of Austin, Frio 0:40, Bracken 0:42, McNeil 1:00, Chiroptorium 1:08 after storm, JamesRiver SALutheran 1:16, McNeil2 1:22, SMCenterpoint 1:26, SanMarcos Frio2 D’Hanis 1:34, DavisBlowout WellsBranch NLamar Crestwood&IH35 Congress(~43% of the colony flew 12 miles SE ~11% of the total climbed to altitude) ABIA Dittmar 1:38, OldTunnel Loyola Lockhart 1:42, Ney 1:46, SMRB(Slayden) 1:54, Temple 2:00, Huber 2:08, storms suppress or confound readings of other flights
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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 have weaned their pups, so flights will start getting great soon, especially if a front moves through that stirs up insect activity.
Sunset: 8:22 pm
Dark: 8:52 pm (10-20 min). earlier if cloudy)
Sunrise: 6:51 am