Notes: ~20 minutes past sunset (about at dark on a Mostly Cloudy evening) only ~4% of the colony flew 6 miles NE (2% of those flew to altitude) on SE Winds at 3 mph – had been southerly 8-16 mph most of the afternoon with gusts to 32 mph around 4:30pm, Mostly Cloudy, Temp 77°F, Dew Point 74°F steady, 19 Cooling Degree Days, Cloud Base 706′, RH 90% steady, Heat Index 78°F, BP 29.98 rising, sea level 1014.2mb rising, bats viewable until 10:09 pm under streetlights
Light Rain from Bastrop to JohnsonCity dissipating toward flight time, storms from Burnet to Hamilton, Bracken 0:58, Rucker 1:10, Frio 1:18, McNeil 1:38, DavisBlowout 1:40, SanMarcos SMCenterpoint BalconesHeights Camden Seguin 1:54, Congress(only ~3% of the colony flew 4 miles NE – and only 3% of those flew to altitude) SanPedro 2:02, SALutheran 2:08, OldTunnel Huber 2:10, SanAngelo GrapeCreek 2:14, D’Hanis FosterRd OCFisher 2:16, Ney 2:22, Vanderpool Stuart 2:24,
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Notes: ~18 minutes after sunset (just before dark) only ~3% of the colony flew 4 miles NE (~3% of those went to altitude) on SE Winds at 7 mph – had been southeasterly 3-9 mph all afternoon becoming E at 21 mph with gusts to 32 mph with Thunderstorms Light Rain and Breezy conditions for about an hour around 4:30pm, Mostly Cloudy, Temp 78°F, Dew Point 71°F steady, 18 Cooling Degree Days, Cloud Base 1596′, RH 79% steady, Heat Index 80°F, BP 30.04 rising, sea level 1016.2mb rising, bats viewable until 9:49 pm under streetlights streetlights
Storm early in Austin then more from over Bastrop & SanAnto dissipating toward flight time, Chiroptorium 0:24, DavisBlowout 0:30, Bracken 0:52, Rucker 1:04, Frio 1:06, McNeil 1:30, WellsBranch Crestwood&IH35 Congress(~16% of the colony flew 8 miles NE – 29% of the those flew to altitude) Buda Kyle Wimberley SanMarcos SMCenterpoint Lockhart 2:02, Huber NLamar 2:04, Loyola 2:08, SanAngelo FosterRd 2:10, Temple Stuart OCFisher GrapeCreek 2:14, D’Hanis 2:18, EaglePass 2:32,
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Notes: ~18 minutes after sunset, ~16% of the colony flew 8 miles NE (29% of the those flew to altitude) on SE Winds at 6 mph – had been southerly early turning W briefly when the thunderstorm hit around 3:30pm, Visibility 10 miles, Mostly Cloudy, Temp 83°F, Dew Point 70°F falling, 17 Cooling Degree Days, Cloud Base 3420′, RH 71% falling, Heat Index 88°F, BP 30.07 rising, sea level 1017.2 mb rising, bats viewable until 10:19 pm under streetlights streetlights
A repeat of outflow boundaries from storms over College Station heading toward the I-35 corridor, storms over Manor & Taylor, Chiroptorium 0:22, DavisBlowout 0:28, Bracken 1:02, Frio Rucker 1:18, McNeil 1:28, Wimberley SanMarcos SMCenterpoint NewBraunfels Seguin 1:52, WellsBranch Lockhart SCUCISD SchertzClemens TX28 410&IH35 SanPedro SALutheran 1:56, Stuart 2:00, Huber Temple Congress(~14% of the colony flew – some went 6 miles W while most went 6 miles NE – 13% of those went to altitude) 2:02, SanAngelo 2:04, Vanderpool FosterRd 2:08, NLamar OCFisher GrapeCreek 2:10, D’Hanis 2:16,
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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 in a period of intense maternity care, so flights will be diminished, unless a north front moves through that stirs up insect activity.
Sunset: 8:36 pm
Dark: 9:06 pm (10-20 min). earlier if cloudy)
Sunrise: 6:31
Notes: ~18 mins after sunset, ~14% of the colony flew – some went 6 miles W while most went 6 miles NE – 13% of those went to altitude) on S Winds at 15 mph – had been southerly 9-16 mph all afternoon with gusts to 28 mph around 6:30 pm, Visibility 10 miles, A Few Clouds, 22 Heating Degree Days, Cloud Base 3876′, Temp 88°F, Dew Point 71°F rising, RH 57% rising, Heat Index 94°F, BP 30.05 rising, sea level 1016.3mb rising, bats viewable until 9:55 pm under streetlights
Spotty storms streaming up from the SSE, outflow boundaries from storms over College Station arrive at i-35 corridor around flight time, Bracken 0:34, Chiroptorium 0:36, DavisBlowout 0:56, Rucker 0:58, Frio 1:04, McNeil 1:30, Wimberley Kyle SanMarcos SMCenterpoint NewBraunfels SCUCISD SchertzClemens TX28 410&IH35 SanPedro BlaconesHeights SALutheran 1:54, Stuart SanAngelo 1:58, Lockhart 2:02, FosterRd GrapeCreek 2:04, Temple Huber WellsBranch NLamar Crestwood&IH35 Congress(~12% of the colony flew – some went 6 miles W while most went 6 miles NE – 10% of the total went to altitude) 2:06, OCFisher 2:08, D’Hanis 2:12, EaglePass 2:26, JamesRiver 2:34,
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Notes: 22 minutes after sunset ~12% of the colony flew – some went 6 miles W while most went 6 miles NE on SE Winds at 10 mph – had been southerly 14-20 mph all afternoon with gusts to 29 mph around 2:30pm, Visibility 10 miles, A Few Clouds, Temp 87°F, Dew Point 71°F rising, 20 Cooling Degree Days, Cloud Base 3628′, RH 59% steady, Heat Index 93°F, BP 30.01 rising, sea level 1014.8mb rising, bats viewable until 10:01 pm under streetlights