yee@trident.arc.nasa.gov (Peter E. Yee) (04/04/91)
TO: PIOZ/PRESS FROM: George Diller/NASA-KSC 407-867-2468/FTS 823-2468 Launch Complex 39 L-3 Day Weather Forecast for STS-37 Conditions expected on Friday, 4/5/91 Synopsis: A cold front will be approaching from the West but is now not expected to be a factor on Friday. It will influence weather in the event of a 24 hour scrub turnaround as predicted winds increase. Each day conditions improve during the duration of the launch period. At 9:18 a.m. on Friday morning conditions are forecast to be: Clouds: 2,500 to 6,000 scattered stratocumulus 28,000 to 33,000 broken cirrus Visibility: 7+ miles Wind - Pad 39B: SE at 10 knots gusting to 18 knots Temperature: 74 degrees Dewpoint: 60 degrees Humidity: 72% Precipitation: chance of showers Probability of launch weather criteria violation at the beginning of the launch period: 30% Probability of tanking constraint violation on Friday: 5% Chance of violation at launch time on Saturday: 50% Sunday: 30% Developed by Cape Canaveral Forecast Facility USAF Air Weather Service 4/2/91