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The Mission

		Rocket: Delta 2 (7925) Payload: THEMIS Date: Feb. 17, 2007 Window: 6:01-6:19 p.m. EST (2301-2319 GMT) Site: SLC-17B, Cape Canaveral, Florida Video Coverage Mission Status Center Launch events timeline Ground track map Restricted hazard area THEMIS overview Delta 2 fact sheet Pre-launch flow Launch Complex 17 Archived Delta coverage

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Launch weather forecast
Posted: February 15, 2007

Forecast for Friday, February 16

Issued: Thursday, February 15
Launch Weather Team: 45th Weather Squadron
Synoptic Discussion: "Surface high pressure will usher in much colder and drier air over the next two to three days. Overall, benign conditions are expected, with the exception of ground winds.
"The main concern during the launch window will be ground winds greater than 25 knots during the last four minutes of the countdown."
Clouds: Cirrus scattered at 25,000 feet and tops at 26,000 feet
Visibility: 10 miles
Launch Pad Winds: Northwesterly from 300 degrees at 12 gusting to 20 knots
Temperature: 44 to 46 degrees F
Relative Humidity: 50 percent
Weather: Partly cloudy
Probability of Violating Weather Constraints: 20 percent
Concerns: Ground winds

24-hour Delay Forecast

Saturday's Probability of Violating Constraints: 10 percent
Concerns: Ground winds

Times of note

Friday night's launch window: 6:05 to 6:23 p.m. EST
Saturday night's launch window: 6:01 to 6:19 p.m. EST

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