L-2 launch day weather forecast – STS-110

Eastern Range Launch Forecast Issued   2 April 2002

Valid:     4 April 2002      45 Weather Squadron web site:

https://www.patrick.af.mil/45OG/45ws/

Vehicle/Payload:        STS-110 (Atlantis)/ISS 8A
Location:       CX 39B
Launch Weather Officer: Kathy Winters
Synoptic Discussion:    A cold front will be moving through Florida on

launch day.  The front will be located in the northern Florida peninsula in

the morning and moving through central Florida during the late morning.  By

launch time, the front will be located south in the vicinity of Lake

Okeechobee.  Expect thunderstorms and showers ahead of the front

intermittently affecting KSC throughout the day.  A threat of showers and

low cloud ceilings will also continue behind the front.
Clouds  Coverage        Bases (feet)    Tops (feet)

STRATOCUMULUS   4/8 SCT OCNL 5/8 BKN     2000    5000

ALTOCUMULUS     3/8 SCT 10000   13000

CIRRUS  3/8 SCT 25000   27000
Visibility:      7
Wind:   34012 P 17 kt  (60 foot pad winds)
Temperature:    74 F    RH:     79%     Dewpoint:       67 F
Weather:        ISOLD SHOWERS VICINITY
Probability of KSC weather prohibiting launch:             30%

Probability of KSC weather prohibiting Tanking:            10%

Primary concern(s):     Low cloud ceilings, precipitation.
Probability of KSC weather prohibiting launch for 24 hour delay:

20%

Probability of KSC weather prohibiting Tanking:               0%

Primary concern(s):     Low cloud ceilings, slight crosswind concern.
Probability of KSC weather prohibiting launch for 48 hour delay:

40%

Probability of KSC weather prohibiting Tanking:

0%

Primary concern(s):        Low cloud ceilings, precipitation, crosswinds.
Sunrise:         4 April 0610 EST       Moonrise:       4 April 0115 EST

Illumination:    55%

Sunset:  4 April 1843 EST       Moonset:        4 April 1140 EST
Next Forecast will be issued:   3 April 02/0700 EST