Source: Spaceflight Meteorology Group, Johnson Space Center

ISSUED: 1200 GMT (07:00 a.m. EST) March 19
VALID: March 21

Synopsis: Showers, thunderstorms and high winds associated with a low pressure system will affect much of Florida on Tuesday. Conditions will begin improving late Tuesday night, but low ceilings, high crosswinds and possible rainshowers will be concerns for Discovery's planned landing at 0556 GMT (12:56 a.m. EST) Wednesday.

Conditions should be better Wednesday night, but clouds and rain will remain a concern until the low pressure system moves off shore. Conditions at Edwards Air Force Base, Calif., will be favorable all week.

Forecast for Wednesday, March 21

Kennedy Space Center, Florida Winds: From 240 degrees at 15 knots with gusts to 20 knots Maximum crosswind component: 20 knots Clouds: 4K scattered, 8K broken Rain: Chance of showers within 30 nautical miles Temperature: 58 degrees Visibility: 7 miles CONCERNS: Crosswind violation, possible broken clouds at 4K, possible showers within 30 nautical miles Edwards Air Force Base, California Winds: From 230 degrees at 5 knots with gusts to 8 knots Clouds: Few at 10K, scattered at 20K Rain: None Visibility: 7 miles CONCERNS: None Northrup Strip/White Sands Space Harbor, New Mexico Winds: TBD Clouds: TBD Rain: TBD Visibility: TBD CONCERNS: TBD

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