How should weather conditions influence re-entry planning?

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Weather conditions drive everything about re-entry planning because they directly affect visibility, equipment performance, and crew safety. Wind influences approach paths, ground operations, and stability; temperature affects thermal loads on gear and the comfort and function of protective clothing and life-support systems; humidity can cause visor fogging and impact thermal regulation; rain or snow reduces visibility, creates slick surfaces, and can lead to icing or sensor and communication issues. Because these factors impact visibility, PPE comfort, oxygen management, and how contaminants might disperse or concentrate, planners build contingencies, such as delaying entry, adjusting landing sites, or changing procedures to maintain safety margins. The other options overlook the reality that weather is a collective influence—no single factor determines readiness, and ignoring weather altogether risks unsafe operations.