Eastern Range Operation Forecast Op Number: F1120 (STS-107) Issued: 15 January 2003 Valid: 16 January 2003 45 Weather Squadron web site: https://www.patrick.af.mil/45OG/45ws/ <br /> <br />Vehicle/Payload: STS-107 (Columbia)/SPACEHAB/FREESTAR <br /> <br />Location: Pad 39-A <br /> <br />Launch Weather Officer: Kathy Winters <br /> <br />Synoptic Discussion: High pressure will be located over the Carolinas. A low pressure system will develop over Arkansas Thursday morning. However, no significant weather features will be present over KSC for launch. Winds will be from the east and temperatures at Pad 39-A in the upper 50s and low 60s throughout the morning. If there is a 24-hour delay, the weather system in Arkansas on Thursday will affect KSC Friday, causing a concern for crosswinds and rain showers. <br /> <br />Clouds Coverage Bases (feet) Tops (feet) <br />Cumulus 1/8 FEW 4000 6000 <br /> <br /> <br />Visibility: 7 <br /> <br />Wind: 08012 P 16 Kt (60 foot pad winds) <br /> <br />Temperature: 63 - 68 F RH: 70% Dewpoint: 55 - 58 F <br /> <br />Weather: None <br /> <br />Probability of KSC weather prohibiting launch: 5% <br />Probability of KSC weather prohibiting Tanking: 0% <br />Primary concern(s): Slight chance for low cloud over CX 39A <br /> <br /> <br />Probability of KSC weather prohibiting launch for 24 hour delay: 60% <br />Probability of KSC weather prohibiting Tanking: 0% <br />Primary concern(s): Cumulus clouds and showers in the vicinity of KSC, crosswinds at the Shuttle Landing Facility. <br /> <br />Probability of KSC weather prohibiting launch for 48 hour delay: N/A <br />Probability of KSC weather prohibiting Tanking: N/A <br /> <br />SRB Retrieval Area Wind: NE-15 knots Sea state: 5-6 feet Ocean temperature: 74 degrees <br />Sunrise: 16 Jan 0717 EST Moonrise: 16 Jan 1611 EST Illumination: 97% <br />Sunset: 16 Jan 1749 EST Moonset: 17 Jan 0644 EST <br /> <br />Next Forecast will be issued: As required