Forecast for Thursday, January 19

Issued: Wednesday, January 18 Launch Weather Officer: 45th Weather Squadron Synoptic Discussion: "The cold front that passed through the Central peninsula during the early morning hours will continue to migrate south. Northwest winds will gradually decrease and turn more northerly through the afternoon and evening hours. High pressure will dominate the peninsula for tomorrow's launch attempt and winds will be from the east at 12 to 18 knots. The primary concern for launch day is low ceilings moving in from the Atlantic associated with easterly flow. "In the event of a 24 hour delay, a warm front will be approaching from the south resulting in increased clouds through the day and an increased chance of precipitation." Clouds: Strato-Cumulus Scattered at 2,500 feet with tops at 4,500 feet; and Cirrus Broken at 25,000 feet with tops at 28,000 feet Visibility: 7 miles Launch Pad Winds: Easterly from 080 degrees at 12 gusting to 18 knots Temperature: 63-64 degrees F Relative Humidity: 70 percent Weather: None Solar Activity: Low Probability of Violating Weather Constraints: 20 percent Concerns: Ceilings with easterly flow

Forecast for 24-hour delay

Friday's Probability of Violating Constraints: 40 percent Concerns: Thick clouds and ceiling with approaching warm front

Times of note

Thursday's launch window: 1:08-3:07 p.m. EST (1808-2007 GMT) Friday's launch window: 1:00-2:59 p.m. EST (1800-1959 GMT)