Flight:  8:50 pm
Scouts: 8:42

Unstable conditions again, ~50 minutes after sunset (way after dark), ~13% of the colony headed 4 miles S staying fairly close to home (14% of them went to altitude) on NW Winds at 10 mph – had been northerly 10-14 mph all afternoon with gusts to 23 mph around 3pm, Temp 72°F, Dew Point 62°F falling, Visibility 10 miles, Overcast, 5 Cooling Degree Days, Cloud Base 2280′, RH 71% steady, Heat Index N/A, BP 29.98 rising, bats viewable until 10:29 pm under streetlights

Storms from the W moving into DelRio and SanAngelo, atmsospheric instability keeps most CenTex bats in the roost with exception of the cave bats who are usually a day behind the weather, Frio 1:18, Bracken 1:22, NewBraunfels 1:28, SchertzClemens TX28 Randolph 410&IH35 Camden Southtown Seguin 1:30, GrapeCreek FosterRd 1:38, NuecesRR SmythCrossing 1:40, FM1572 Stuart 1:44, Huber 1:46, CongressScout 1:50, Congress(after dark ~13% of the colony flew a few miles S staying fairly close to the bridge) 1:58, McNeil 2:00, Temple 2:14,

8:00 pm – 8:30 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Could be great once stable weather returns

Sunset: 8:00 pm
Dark: 8:30 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:00 am 

Flight:  8:40 pm
Scouts: 8:36

Unstable weather – 40 minutes after sunset (after dark), ~10% of the colony headed 6 miles WNW (~7% to altitude) on E Winds at 7 mph – had been southerly 8-12 mph all afternoon with gusts to 20 mph around 2pm, Temp 83°F, Dew Point 71°F steady, Visibility 10 miles, Mostly Cloudy, 15 Cooling Degree Days, Cloud Base 2736′, RH 67% rising, Heat Index 88°F, BP 29.90 rising, bats viewable until 9:37 pm under streetlights

Cold front from I-10W to Killeen dissapating as it moves S but storms over James River, Frio 1:14, Bracken 1:22, NewBraunfels SchertzClemens Camden Seguin 1:26, TX28 1:34, Longhorn&Western 410&IH35 Fern 1:36, Huber FosterRd 1:40, NuecesRR Dabny SmythCrossing Bracketville Pinto GrapeCreekHS SanAngelo 1:42, OldTunnel Chiroptorium CongressScouts 1:44, Congress(~10% of the colony flew a few miles WNW) 1:48, Ney D’Hanis 1:52, Rucker 1:54, Centerpoint 2:02,

7:55 pm – 8:25 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Could be great once stable weather returns

Sunset: 8:00 pm
Dark: 8:30 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:00 am 

Flight:  8:52 pm
Scouts: 8:40

Threat of severe weather – 53 minutes after sunset, ~8% of the colony flew a few miles NW on SE Winds at 9 mph – had been SE 2-10 mph all afternoon with gusts to 22 mph around 3pm, Temp 77°F, Dew Point 69°F falling, Visibility 10 miles, Overcast, 12 Cooling Degree Days, Cloud Base 1824′, RH 77% rising, Heat Index 79°F, BP 29.89 rising, bats viewable until 10:35 pm under streetlights

Rain & storms in a band from DelRio to Fredericksburg moving ENE dissapating as they move across I-35 corridor, Bracken SchertzClemens 1:16, TX28 1:22, 410&IH35 SanPedro Camden 1:30, Culebra&BanderaRd 1:38, Fern GrapeCreek FosterRd SanAngelo 1:44, CongressScouts 1:48, Congress(only~8% of the colony flew a few mile NW) 2:00, other flight suppressed or readings confounded by weather

7:55 pm – 8:25 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area.
Could be great once stable weather returns

Sunset: 8:00 pm
Dark: 8:30 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:01 am 

Flight:  8:38 pm
Scouts: 8:28

Low visibility and unstable conditions kept most bats in roost – ~40 minutes after sunset ~13.6k flew four miles NW on S Winds at 5 mph – had been southerly 7-12 mph all afternoon, Temp 75°F, Dew Point 72°F steady, Visibility only 7 miles, Overcast but Haze/Fog/Mist/LightRain earlier in the day, 10 Cooling Degree Days, Cloud Base 684′, RH 90% falling, Heat Index N/A, BP 29.84 rising, bats viewable until ~9:46 pm under streetlights