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Bat Flight History

Flight Prediction Archive

Every evening's bat flight prediction at Congress Avenue Bridge, documented by Austin Bat Refuge staff.

All Posts

Tonight's Prediction →
Thursday, July 10, 2025
Friday July 11, 2025
8:40 pm – 9:10 pm when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no…
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Thursday, July 10, 2025
Wednesday July 9, 2025
Flight: 8:42 pm 6 minutes after sunset ~36% of the colony rode the outflow boundary from Hill Country…
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Wednesday, July 9, 2025
Tuesday July 8, 2025
Storms E of the I-35 corridor from Laredo to Waco […]
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Wednesday, July 9, 2025
Wednesday July 9, 2025
8:40 pm – 9:10 pm when conditions allow, i.e. when the atmosphere is stable, no pressure drops, no…
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Wednesday, July 9, 2025
Tuesday July 8, 2025
Flight: 8:56 pm 20 minutes after sunset (even though storm to the East had dissipated) only ~6% of…
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Tuesday, July 8, 2025
Monday July 7, 2025
Outflow boundaries sweep N and W from storms mostly E […]
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Tuesday, July 8, 2025
Monday July 7, 2025
Flight: 8:56 pm 20 minutes after sunset (just before dark on a Mostly Cloudy evening) ~19% of the…
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Monday, July 7, 2025
Sunday July 6, 2025
Storms from Ozona to Mason moving S across the Hill […]
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Monday, July 7, 2025
Sunday July 6, 2025
Flight: 8:52 pm 16 minutes after sunset (just before dark on a Mostly Cloudy evening) only ~11% of…
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Sunday, July 6, 2025
Saturday July 5, 2025
Storms from the N streaming down US281 also through Junction […]
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