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Monday September 15, 2025

Outflow boundary from Victoria storms passes I-35 corridor around 4:30pm, pop-up storms trail at Giddings CedarCreek SAustin Dripping & CampBullis, Chiroptorium 0:00 30 mins early due to boundary passage, SanMarcos SanPedro HollywoodPark 0:28, OldTunnel emerges to meet boundary 0:28, Frio 0:40, Huber McNeil CongressScouts SchertzClemens TX28 410&IH35 0:42, Seguin Stuart 0:44, Congress(33% of the colony flew -some went 12 miles NW while most went ESE – 43% of those went SE to altitude) ABIA Dittmar Onion SMCenterpoint NewBraunfels SCUCISD BalconesHeights SALutheran Camden 0:48, Punkin 0:52, WellsBranch NLamar Wimberley Lockhart Canyon SMRB(Slayden) 0:56, SanAngelo FosterRd 1:02, SmythCrossing 1:06, OCFisher GrapeCreek 1:08, FM1572 1:12,

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Sunday September 14, 2025

Granger radar still out of service, Frio 0:22, OldTunnel 0:26, Chiroptorium 0:28, Bracken Seguin Stuart 0:36, SanMarcos NewBraunfels 410%IH35 SanPedro 0:40, McNeil Loyola ABIA Lockhart SCUCISD SchertzClemens BalconesHeights SALutheran Camden 0:46, Congress(25% of the colony flew 14 miles E) Dittmar SMCenterpoint SMRB(Slayden) SanAngelo 0:54, Wimberley SmythCrossing 1:00, FosterRD OCFisher 1:06, FM1572 EaglePass Bracketville Pinto 1:08, Temple 1:22, Fern 1:42,

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Saturday September 13, 2025

Flow from southeast, rain out west, Granger still offline, Chiroptorium 0:18, Stuart 0:20, Bracken 0:24, Frio 0:30, SanPedro SALutheran 0:46, McNeil SanMarcos SMCenterpoint NewBraunfels TX28 410&IH35 0:54, SanAngelo 0:56, Crestwoodd&IH35 Congress(21% of the colony flew – some went 8 miles NE while most went 12 miles E (70% of the total went to altitude) Dittmar Buda Kyle Wimberley 1:00, SMRB(Slayden) SmythCrossing FM1572 FosterRd OCFisher GrapeCreek 1:04, Temple 1:22,

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Friday September 12, 2025

Winds from the southeast, Granger stays offline, Stuart 0:12, OldTunnel 0:24, Bracken Frio 0:32, Seguin 0:46, Chiroptorium Huber 0:52, SanMarcos SMCenterpoint Lockhart CanyonLake NewBraunfels SCUCISD SchertzClemens Randolph TX28 410&IH35 SanPedro SALutheran Camden SMRB(Slayden) 1:00, SanAngelo 1:02, DavisBlowout McNeil WellsBranch NLamar Congress(~62% of the colony flew – some went 10 miles NE while most went 10 miles SE into SE Winds at 8 mph) Dittmar Buda Kyle Wimberley Floresville 1:06, FosterRd OCFisher 1:08, GrapeCreek 1:10, NuecesRR SmythCrossing FM1572 EaglePass 1:12, WaterlooGreeenway ABIA 1:14,

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Thursday September 11, 2025

Granger radar continues offline, outflow boundary from storms over Belville & Victoria hit I-35 corridor around 7pm, Stuart 0:18, Bracken 0:38 as outflow boundary hits, Frio 0:38, OldTunnel 0:44, SanPedro 0:50, Chiroptorium Dittmar SanMarcos NewBraunfels SCUCISD Seguin 0:58, Huber McNeil CongressScouts Buda Wimberley Lockhart SMCenterpoint CanyonLake SchertzClemens Randolph TX28 410&IH35 SALutheran Camden SMRB(Slayden) 1:04, Congress(54% of the colony flew 10 miles SE) 1:10, SanAngelo FosterRd 1:12, Floresville 1:14, Rucker 1:16, Vanderpool GrapeCreek 1:18, DavisBlowout KarnesCity Victoria 1:24, D’Hanis Fern 1:26, Temple 1:30, US277&TX55 1:40,

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Wednesday September 10, 2025

Granger remains offline, Stuart 0:26, Bracken 0:42, OldTunnel Frio 0:48, Punkin 1:00, Chiroptorium SanPedro 1:02, Huber CongressScouts Dittmar Onion Buda Wimberley Lockhart SanMarcos SMCenterpoint CanyonLake SCUCISD SchertzClemens Randolph TX28 410&IH35 BalconesHeights SALutheran Camden Seguin 1:10, SanAngelo 1:12, McNeil WellsBranch Crestwood&IH35 Loyola Congress 1:14, DavisBlowout SMRB(Slayden) 1:16, FosterRd OCFIsher GrapeCreek 1:18, SmythCrossing 1:20, Floresville Ney Vanderpool 1:24, D’Hanis Fern 1:28,KarnesCity 1:34, Temple Cuero 1:36, JamesRiver 1:40,

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Tuesday September 9, 2025

Granger radar still offline, Stuart 0:48, Bracken Frio 0:54, OldTunnel 1:06, Chiroptorium Huber Dittmar SanMarcos SCUCISD SchertzClemens Randolph TX28 410&IH35 SanPedro SALutheran Camden Fern 1:14, SanAngelo OCFisher 1:16, Congress Onion Wimberley SMCenterpoint Seguin 1:20, FosterRd 1:22, DavisBlowout SMRB(Slayden) NuecesRR SmythCrossing GrapeCreek 1:28, JamesRiver Floresville Poth KarnesCity 1:42,

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Monday September 8, 2025

Granger continues offline, Stuart 0:54, Frio 0:58, Bracken 1:02, OldTunnel Camden 1:10, SanMarcos NewBraunfels SchertzClemens TX258 410&IH35 SanPedro BalconesHeights 1:16, Fern SanAngelo OCFisher 1:20, Chiroptorium Dittmar Buda SMCenterpoint SALutheran TX24 Seguin 1:24, NuecesRR SmythCrossing 1:26, FosterRd 1:28, Huber BeeCavePark Loyola CongressScouts 1:30, D’Hanis GrapeCreek 1:34, Congress(~24% of the colony flew 8 miles SSE) 1:38, JamesRiver Punkin 1:40, DavisBlowout McNeilScouts 1:44, McNeil 1:52,

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Tuesday September 9, 2025

8:05 pm – 8:35 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 bat pups have been flying for about 7 weeks now, so flights can be great nowadays, especially if a front moves through that stirs up insect activity. However, flights are normally diminished with a Waxing Gibbous / Full moon.

Sunset: 7:43 pm
Dark: 8:13 pm (10-20 min). earlier if cloudy)
Sunrise: 7:12 am

Monday September 8, 2025

Flight: 8:30 pm
Scouts: 8:22 pm

46 mins after sunset (way after dark) only ~24% of the colony flew 8 miles SSE on E Winds at 7 mph – had been northeasterly 6-12 mph all afternoon with gusts to 20 mph around 5:30pm, Fair, Temp 83°F, Dew Point 55°F falling, 12 Cooling Degree Days, Cloud Base 6384′, RH 38% rising, Heat Index 82°F, BP 30.00 rising, sea level pressure 1014.9 mb rising, bats viewable until 10:37 pm under streetlights

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