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Posted by Andrew Yee on June 7, 2007, 11:30 am
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STS-117 Launch Weather Forecast
Vehicle: STS-117, Atlantis
Issued: 7 June 2007/ 1100Z (0700EDT)
Valid: 8 June 2007/ 2332 - 2343Z (1932 - 1943EDT)
Launch Weather Team: 45th Space Wing, Patrick AFB, FL
Synoptic Discussion:
A high pressure ridge is now located over Central Florida. A sea breeze
will develop this afternoon earlier than yesterday. Showers and
thunderstorms will develop along the sea breeze on the west side of
Kennedy Space Center. These storms should gradually move west along the
sea breeze by late afternoon/early evening.
By Friday, the high pressure ridge will be north of the Central Florida
area, allowing the sea breeze with associated weather to push inland more
quickly by the late afternoon. Upper level winds will be from the east
Friday, so anvils from inland thunderstorms should remain inland by launch
time. There is a better chance the ridge will remain to the north
Saturday; therefore, the 24-hour forecast deceased to 30%.
Our primary concern for launch day is cumulus clouds.
Clouds Coverage Bases (feet) Tops (feet)
Stratus 3/8 Scattered 3,000 6,000
Altostratus 2/8 Scattered 10,000 12,000
Cirrus 2/8 Scattered 25,000 28,000
Weather: None
Visibility: 7 miles
Wind: 100 deg @ 8 KT Peak 12 KT (60 foot pad winds)
Temperature: 77 F RH: 85% Dewpoint: 73 F
Probability of KSC weather prohibiting launch: 20%
Probability of KSC weather prohibiting tanking: 0%
Primary concern(s): Cumulus clouds.
Probability of KSC weather prohibiting launch for 24-hour delay 30%
Probability of KSC weather prohibiting tanking: 5%
Primary concern(s): Thunderstorms, flight through precipitation, cumulus
clouds.
Probability of KSC weather prohibiting launch for 48-hour delay 40%
Probability of KSC weather prohibiting tanking: 5%
Primary concern(s): Thunderstorms with associated anvils, cumulus clouds.
Sunrise: 8/0624 EDT Sunset: 8/2019 EDT
9/0624 EDT 9/2019 EDT
10/0624 EDT 10/2020 EDT
Moonrise: 8/0132 EDT Moonset: 8/1333 EDT Illumination: 8 Jun: 56%
9/0204 EDT 9/1437 EDT 9 Jun: 44%
10/0236 EDT 10/1542 EDT 10 Jun: 33%
Next forecast will be issued: As Needed
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