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-4 Day Weather Forecast for STS-37
                              Conditions expected on Friday, 4/5/91
          Synopsis:  A cold front will be approaching from the West which
          will produce cloudiness with a chance for showers or
          thunderstorms.
          At 9:18 a.m. on Friday morning conditions are forecast to be:
          Clouds:    2,500 to 6,000  scattered cumulus
                     8,000 to 13,000 scattered to broken altocumulus
                    28,000 to 33,000 broken cirrus
          Visibility: 7+ miles
          Wind - Pad 39B: SW at 10 knots gusting to 18 knots
          Temperature:  74 degrees
          Dewpoint:     60 degrees
          Humidity:     72%
          Precipitation: chance of showers or thunderstorms
          Probability of launch weather criteria violation on Friday: 50%
          Probability of tanking constraint violation on Friday: 10%
          Overall chance of violation on Saturday:  20%
                                         Sunday:    10%
          Developed by Cape Canaveral Forecast Facility
          USAF Air Weather Service
          4/1/91