Forecast for Friday, August 27

Issued: Wednesday, August 25 Launch Weather Officers: F. Clay Flinn, Johnny Weems, 45th Weather Squadron Synoptic Discussion: "The high pressure ridge axis will likely remained suppressed over South Florida resulting in Southerly surface winds. This is a slightly less favorable condition than the previous forecast. Initial thunderstorm development along the seabreeze is expected around the noon hour near the coast and will push slowly toward the West. Thunderstorms are also expected to form inland during the afternoon hours. Steering level winds, although light, are from the Southwest and should act to push thunderstorm activity back toward the coast in the mid to late afternoon time period. "The main concern for the launch will be isolated thunderstorms within 10 nm of the complex and associated clouds (anvil, debris)." Clouds: Scattered at 3,000 feet with 1-2/8ths sky coverage and tops at 5,000 feet, Scattered at 10,000 feet with 1-2/8ths sky coverage and tops at 14,000 feet; Scattered at 25,000 feet with 1-2/8ths sky coverage and tops at 28,000 feet Visibility: 7 miles Launch Pad Winds: Southeasterly from 130 degrees at 12 to 15 knots Temperature: 83 degrees F Relative Humidity: 80 percent Weather: Isolated Thunderstorms Solar Activity: Low Probability of Violating Weather Constraints: 60 percent Concerns: Isolated showers/thunderstorms, anvil clouds, debris clouds

Times of note

Launch period: 6:00 to 8:00 p.m. EDT (2200-0000 GMT) Moonrise: 6:30 p.m. EDT (2230 GMT) Sunset: 7:49 p.m. EDT (2349 GMT)

Forecast for 24- and 48-hour delays

Saturday's Probability of Violating Constraints: 60 percent Concerns: Isolated showers/thunderstorms, anvil clouds, debris clouds Sunday's Probability of Violating Constraints: N/A Concerns: N/A