· ablation (the process of being removed - snow ablation refers to snow removal by melting)
· acid rain (rain including pollutants)
· advisory
· air mass
· air pollution
· air pressure
· airstream
· altitude
· altocumulus (mid-altitude clouds with a cumuliform shape)
· anemometer (instrument that measures wind speed)
· arctic air
· atmosphere
· avalanche
· Nor'easter
· young ice (new thin ice)
· Katabatic · Katafront · Killing Frost · Knot
Killing frost is a weather term.
xenon, x-ray
The answer to a word that begins with x that is related to weather is 'X-ray lighting'.
· Jet stream
· gale · gale warning · global warming · greenhouse effect · ground fog · growing season · gust
Scince
· kiss
Youth
magician