Forecast for Sunday, July 8

Issued: Thursday, July 5 Launch Weather Team: 45th Weather Squadron Synoptic Discussion: "Widespread afternoon and evening showers and thunderstorms are expected through the weekend. Deep tropical moisture, the daily onset of the afternoon sea breeze, and favorable steering wind pattern will concentrate all activity on the eastern half of the Florida Peninsula. Conditions begin to improve early next week as the overall pattern changes. "During the countdown, launch vehicle exposure constraints will be a concern as thunderstorm related precipitation and winds could exceed constraint limits. "Main concerns during the launch window will be thunderstorms and associated clouds within 10 nautical miles of the launch vehicle flight path." Clouds: Cumulus scattered at 3,000 feet and tops at 15,000 feet; Cirrostratus broken at 28,000 feet and tops at 30,000 feet Visibility: 10 miles Launch Pad Winds: Southeasterly from 140 degrees at 10 gusting to 15 knots Temperature: 86 to 88 degrees F Relative Humidity: 60 percent Weather: Thunderstorms in the vicinity Probability of Violating Weather Constraints: 60 percent Concerns: Anvil Cloud Rule, Debris Cloud Rule, Cumulus Cloud Rule

24-hour Delay Forecast

Monday's Probability of Violating Constraints: 40 percent Concerns: Anvil Cloud Rule, Debris Cloud Rule, Cumulus Cloud Rule

Times of note

Sunday's launch window: 4:04 to 4:33 p.m. EDT Monday's launch window: 3:56 to 4:25 p.m. EDT