Very foggy now.
Up to T-4 minutes working some boats in the exclusion area. Then parameter went out of bounds. Didn't have time to resolve issue. Launch time is 1:47:02 PST with a 66 second window if I heard right.
ULAVerified account @ulalaunchThe official weather forecast for tonight's Delta II launch opportunity is 80% GO with only a few clouds, good visibility, temperatures in low 50s F and winds a bit gusty.
@ulalaunchNew photographs from today's Mobile Service Tower rollback are posted in our Multimedia Gallery:Credit: ULA/Walter Scriptunas II
@ulalaunch 6m6 minutes agoGood evening from Vandenberg Air Force Base in California where teams are preparing to launch the Delta II rocket and JPSS-1 weather satellite at 1:47 a.m. PST.
T-0 Forecast: A broad trough of low pressure remains over the eastern pacific. The passage of the previous day’s trough resulted in a loosening of the pressure gradient. Therefore, surface winds will be out of the north-northwest from 330-360 at 10-15 knots gusting to 20 knots at T-0. Temperatures will range from 50-55F through the count and at T-0. Upper level winds will increase slightly out of the west from 250 degrees at 125 knots between 35,000 and 40,000 feet. The space weather index for Proton Flux is at background levels. The overall POV for Wednesday is 20% with the only area of concern being Ground Winds greater than or equal to 26 knots.
Quote from: Steven Pietrobon on 11/14/2017 09:01 amUp to T-4 minutes working some boats in the exclusion area. Then parameter went out of bounds. Didn't have time to resolve issue. Launch time is 1:47:02 PST with a 66 second window if I heard right.Video replay of this discussion:youtube.com/watch?v=CeODP0cZlKI?t=001
@ulalaunch 28m28 minutes agoThe 3-hour countdown sequence has begun for launch of the Delta II from Vandenberg Air Force Base in California with #JPSS1 at 1:47 a.m. PST (4:47 a.m. EST; 0947 UTC)
@ulalaunch 54s55 seconds agoFueling of the Delta II rocket's first stage with 10,000 gallons of highly refined kerosene propellant is underway
The 20-minute task to load the Delta II rocket's first stage RP-1 fuel tank has been completed as the countdown proceeds smoothly for tonight's launch
The Air Force launch weather officer predicts a 100 percent chance of acceptable conditions for liftoff in about two hours
Denver DOSC reports ready for Cryogenic tanking
Launch time for #DeltaII #JPSS1 launch has been established for 1:47:36 PST (4:47:36 EST)
The launch team has been directed to begin first stage liquid oxygen loading for the Delta II rocket. The count is continuing with no technical issues