Flight: No Flight
Scouts: 

Back to hard freeze again, Congress Flight Time Conditions: Winds N at 6 mph – with gusts to 18 mph – had been northerly 6-10 mph all afternoon with gusts to 20 mph around 3pm, Visibility 10 miles, Fair, Temp 39°F, Dew Point 12°F steady, 25 Heating Degree Days, Cloud Base 6156′, RH 32% rising, Wind Chill 36°F, BP 30.45 rising

Warmer night triggered lots of flights, Bracken 0:28, SanMarcos SMCenterpoint SCUCISD ShcertzClemens 410&IH35 Timberwood Victoria 0:36, BeeCavePark Congress 0:40, OldTunnel Vchiroptorium BalconesCreek&IH10 EaglePass 0:42, Frio 1:02,

6:00 pm – 6:30 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
But bats will be hunkered down to try and survive new cold front with another hard freeze for one more night
Fallout continues from N Austin bridges. About 1,000 dead under Round Rock bridges; hundreds recovered. warmed, and saved for release once it warms.

Sunset: 5:55 pm
Dark: 6:25 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:27 am 

Flight: 6:32 pm
Scouts: 6:20 pm

In between hard freezes, 2.0k took advantage of a relatively warm evening to fly 6 miles SE on S Winds at 6 mph – had been SW 6-14 most of the afternoon with gusts to 22 mph around noon, Temp 62°F, DewPoint 42°F falling, A Few Clouds, 10 Heating Degree Days, Cloud Base 4560′, RH 48% rising, BP 29.91 rising, fallout continues from Round Rock bridges, only a few cold-stunned fallout from Congress and other Austin roosts so far

No CenTex flights – Bitter cold moderates somewhat but still a hard freeze overnight, Congress Flight Time Conditions: Temp 42°F, DewPoint 17°F, Winds S at 9 mph – had been S 10-15 mph all afternoon with gusts to 25 mph around 3pm, 36 Heating Degree Days, Cloud Base 5700′, RH 36% rising, Wind Chill 37°F, BP 30.11 falling

6:00 pm – 6:30 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
But bats will be hunkered down to try and survive the freeze for the next several days
Fallout continues from N Austin bridges. We expect massive numbers of cold-stunned bats to fall when temperatures warm.

Sunset: 5:54 pm
Dark: 6:24 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:27 am 

Flight: No Flight
Scouts: 

Bitter cold moderates somewhat but still a hard freeze overnight, Congress Flight Time Conditions: Winds S at 9 mph – had been S 10-15 mph all afternoon with gusts to 25 mph around 3pm, Temp 42°F, WindChill 37°F, DewPoint 17°F rising, Fair, 36 Heating Degree Days, Cloud Base 5700′, RH 36% rising, BP 30.11 falling, fallout continues from N Austin bridges, only a few cold-stunned fallout from Congress so far

6:00 pm – 6:30 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
But bats will be hunkered down to try and survive the freeze for the next several days
Fallout continues from N Austin bridges. We expect massive numbers of cold-stunned bats to fall when temperatures warm.

Sunset: 5:53 pm
Dark: 6:23 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:28 am 

Flight: No Flight
Scouts: 

Bitter Cold continues to grip Austin, Congress Flight Time Conditions: Winds NE at 12 mph – had been N 9-15 mph all afternoon with gusts to 28 mph at noon – 21 mph around 5pm, Temp 30°F, WindChill 20°F, DewPoint 6°F falling, Overcast, 39 Heating Degree Days, Cloud Base 5472′, RH 36% rising, BP 30.40 rising, fallout continues from N Austin bridges, only a few cold-stunned fallout from Congress so far

No CenTex flights – Bitter cold continues, low percentage of survivors among the fallout bats, high noon temperatures of 6°F – 10°F in crevices of Mays St bridge in Round Rock (as read by temperature gun) – wind chill substantially lower (a steady -10°F) as crevices align with 15 mph N wind – gusts to 28 mph at noon push wind chills even lower, Congress Flight Time Conditions (warmer than Round Rock): Temp 30°F, DewPoint 6°F, Winds NE at 12 mph – had been N 9-15 mph all afternoon with gusts to 28 mph at noon – 21 mph around 5pm, 39 Heating Degree Days, Cloud Base 5472′, RH 36% rising, Wind Chill 20°F, BP 30.40 rising