Forecast for Sunday, December 21

Issued: Friday, December 19 Launch Weather Officer: Joel Tumbiolo, 45th Weather Squadron Synoptic Discussion: "Again, no changes to forecast reasoning. Reinforcing surge of colder temperatures will settle in the state the remainder of the week. "Other than a slight chance for ground winds exceeding the threshold during the final four minutes of the countdown late Saturday/early Sunday there are no real concerns. "Concern increases slightly into early next week as flow becomes more onshore, thus increasing the chance for clouds and showers." Clouds: Scattered at 5,000 feet with 2/8ths sky coverage and tops at 7,000 feet Visibility: 10 miles Launch Pad Winds: Northwesterly from 330 degrees at 8 gusting to 12 knots Temperature: 40 to 42 degrees F Relative Humidity: 80 percent Weather: NIL Probability of Violating Weather Constraints: less than 10 percent Concerns: Ground winds

24- and 48-hour Delay Forecasts

Monday's Probability of Violating Constraints: 20 percent Concerns: Flight through precipitation, Thick Cloud rule Tuesday's Probability of Violating Constraints: 20 percent Concerns: Flight through precipitation, Thick Cloud rule