STS-59  L-3 WEATHER 

                STS-59 LAUNCH WEATHER FORECAST
                        FOR APRIL 7

             Prepared on L-3 days, April 4, 1994

George H. Diller
NASA Kennedy Space Center

Synopsis:  A cold front will be in the Cape Canaveral vicinity on
Thursday morning.

During the launch opportunity extending from 7:07-10:37 a.m. on
Thursday morning the range of conditions is forecast to be:

Clouds:  2,500-4,000 feet scattered stratocumulus (30% coverage)
         8,000-12,000 feet scattered to broken altocumulus
                      (40%-60% coverage)
         25,000-30,000 cirrostratus (70% coverge)

Visibility: 7-10 miles

Wind - Pad 39A: WNW/12-20 knots

Temperature:  65-69 degrees

Dewpoint:     61-59 degrees

Humidity:     87-70%

Precipitation: possible showers

Other weather concerns: Chance of thick clouds.
                        Chance of ceiling below 8,000 feet.
                        Chance of exceeding RTLS crosswind limit.

Probability of launch weather criteria violation: 40%

Probability of launch weather criteria violation on Friday: 30%
Probability of launch weather criteria violation on Saturday: 30%

Sunrise Thursday: 7:06 a.m.
Sunset  Thursday: 7:43 p.m.

Today's low temperture at KSC was: 51 degrees
Sunday's high temperature was: 79 degrees
Peak wind at KSC Sunday was: SE-23 mph
24 hr. precipitation though 7 a.m. today: Trace

USAF Range Weather Operations
Cape Canaveral Forecast Facility
---
 þ Via FTL BBS (404-292-8761) and NASA Spacelink (205-895-0028)