Eastern Range Operation Forecast Op Number: F2342 Issued: 3 June 2002/0700 EDT Valid: 5 June 2002
Vehicle/Payload: STS-111 (Endeavour)/ISS UF-2
Location: CX 39A
Launch Weather Officer: Kathy Winters
Synoptic Discussion: Weather conditions are improving at KSC. With a high-pressure ridge building into North Florida on Wednesday, winds associated with the pressure gradient will shift to the southeast near the surface and east through the mid-levels. With this type of flow, the sea breeze that begins late in the morning will push well inland. With plenty of moisture still evident in the atmosphere, thunderstorms will again be generated by low-level convergence associated with the sea breeze, but storms will continue to move west, away from KSC, after forming. Still, winds at 35,000 to 45,000 feet will be from the west resulting in a threat from anvil clouds generated by these inland thunderstorms.
Clouds Coverage Bases (feet) Tops (feet)
Cumulus 2/8 FEW 3500 7000
ALTOCUMULUS 3/8 SCT 10000 13000
CIRRUS 4/8 SCT 25000 30000
Visibility: 7
Wind: 12012 P 18 kt (60 foot pad winds)
Temperature: 79 F RH: 85% Dewpoint: 74 F
Weather: Thunderstorms inland.
Probability of KSC weather prohibiting launch: 40%
Probability of KSC weather prohibiting Tanking: 0%
Primary concern(s): Anvils associated with inland thunderstorms.
Probability of KSC weather prohibiting launch for 24 hour delay: 40%
Probability of KSC weather prohibiting Tanking: 0%
Primary concern(s): Anvils associated with inland thunderstorms.
Probability of KSC weather prohibiting launch for 48 hour delay: 60%
Probability of KSC weather prohibiting Tanking: 0%
Primary concern(s): Thunderstorms with anvils vicinity.
Sunrise: 5 Jun 0625 EDT Moonrise: 6 June 0343 EDT Illumination: 21%
Sunset: 5 Jun 2018 EDT Moonset: 6 June 1628 EDT
Next Forecast will be issued: Tuesday, 4 June 2002 / 0700 EDT
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