Wednesday June 11, 2025

Bracketville radar offline, strong storms developing from MarbleFalls to Kerrville heading toward the I-35 corridor, Frio 1:12, Chiroptorium 1:22, Bracken 1:24, SanPedro 1:32, Huber 1:42, SALutheran 1:44, ShertzClemens 1:48, TX28 1:50, McNeil SCUCISD Seguin 1:52, NewBraunfels 1:56, WellsBranch SMCenterpoint 2:00, Wimberlehy SanMarcos 2:02, Crestwood&IH35 Congress(only ~4% of the colony flew 6 miles NNE – and only ~5% of those went to altitude) 2:08, FosterRd SanAngelo OCFisher 2:14, Loyola 2:16, TomMillerDam GrapeCreek 2:22,

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Tuesday June 10, 2025

Powerful storms in a line from EaglePass to SanAngelo heading E, Frio 1:22 in unstable conditions as rain approaches, Chiroptorium 1:28, Bracken SanAngelo 1:32, SALutheran 1:38, 410&IH35 1:44, SchertzClemens Culebra&BanderaRd Camden 1:46, Huber 1:48, OldTunnel SCUCISD TX28 1:50, Seguin 1:52, McNeil SMCenterpoint 1:54, Wimberley SanMarcos SMCenterpoint 1:56, Congress(only ~12% of the colony flew 12 miles SSW – only ~1% of the those flew to altitude) 2:00, WellsBranch Crestwood&IH35 Dittmar Buda 2:02, SMRB(Slayden) 2:10, Thorndale 2:12, Temple 2:16,

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Monday June 9, 2025

Front from NE sweeps down I-35 corridor, storms from NW around SanAngelo, Frio 0:42, Chiroptorium 0:50, OldTunnel 1:06, Bracken 1:22, TX28 1:26, Huber Stuart 1:28, SALutheran 1:34, D’Hanis 1:36, SchertzClemens SanPedro 1:38, DavisBlowout Randolph Seguin 1:42, SCUCISD 1:46, McNeil Frio2 1:48, Lockhart NewBraunfels SCUCISD Culebra&BandersRd 1:50, SMCenterpoint 1:52, WellsBranch Congress(~63% of the colony chased the frontal passage – some went 6 miles WNW while most went 12 miles SSW – only ~3% of the total went to altitude) Dittmar Wimberley SanMarcos Camden Fern 1:54, Crestwood&IH35 Loyola ABIA Floresville 2:00, FM1572 2:02, Temple 2:04,

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Wednesday June 11, 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 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: 8:32 pm

Dark: 9:02 pm (10-20 min. earlier if cloudy)

Sunrise: 6:29 am

Tuesday June 10, 2025

Flight: 8:52 pm

Notes: ~20 minutes after sunset, only ~12% of the colony flew 12 miles SSW (only ~1% of the those flew to altitude) on NE Winds at 13 mph – with gusts to 21 mph – had been easterly 3-17 mph all afternoon with gusts to 24 mph around 6:30pm, Visibility 10 miles, Partly Cloudy, Temp 81°F, Dew Point 73°F steady, 18 Cooling Degree Days, Cloud Base 1824′, RH 77% rising, Heat Index 86°F, BP 29.90 falling, sea level 1011.4 mb falling, bats viewable until 10:07 pm under streetlights

Tuesday June 10, 2025

8:40 pm – 9:10 pm

Sunset: 8:32 pm

Dark: 9:02 pm (10-20 min. earlier if cloudy)

Sunrise: 6:29 am

Monday June 9, 2025

Flight: 8:52 pm

Notes:14 mins after sunset, a whopping 63% of the colony emerged to chase to frontal passage – some went 46 miles WNE while most went 12 miles SSW on NE Winds at 10 mph – had been S 10-18 mph earlier with gusts to 35 mph turning NE 13-20 mph around 4:30pm, Visibility 10 miles, A Few Clouds, N/A Heating Degree Days, Cloud Base 3192′, Temp 86°F, Dew Point 72°F falling, RH 63% rising, Heat Index 92°F, BP 29.87 rising, sea level 1010.3mb rising, bats viewable until 10:07 pm under streetlights

Monday June 9, 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 giving birth these days (average date of birth around June 10th) so flights will be diminished, unless a north front moves through that stirs up insect activity.

Sunset: 8:32 pm

Dark: 9:02 pm (10-20 min. earlier if cloudy)

Sunrise: 6:29 am

Sunday June 8, 2025

Flight: 8:52 pm

Notes:~25 minutes after sunset (close to dark) ~77k flew – most went 4 miles NW while some went 4 miles E to altitude) on S Winds at 12 mph – had been S 10-16 mph all afternoon with gusts to 18 mph around 3:30pm, Visibility 10 miles, A Few Clouds, Temp 87°F, Dew Point 71°F rising, 22 Cooling Degree Days, Cloud Base 3648′, RH 59% rising, Heat Index 93°F, BP 29.86 rising, sea level 1009.8mb rising, bats viewable until 10:05 pm under streetlights

Sunday June 8, 2025

Rain from the W, storms developing over SanAnto and Bracken heading SSE, Frio 0:52, Chiroptorium 1:12, Bracken Stuart 1:32, Huber 1:38, McNeil Seguin 1:42, 410&IH35 SanPedro BalconesHeights Camden D’Hanis 1:46, OldTunnel DavisBlowout WellsBranch Wimberley Lockhart SanMarcos SMCenterpoint SCUCISD SchertzClemens TX28 SMRB(Slayden) Ney 1:54, NLamar Crestwood&IH35 1:56, Congress(~18% of the colony went 18 miles ESE – 14% of those went to altitude) Wimberley2 2:00, Loyola 2:02, SmythCrossing 2:04, FosterRd SanAngelo OCFisher 2:10, EaglePass 2:12, Temple 2:16, GrapeCreek 2:22,

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