Weather Acronyms: X's

X	Cross
XBT	Abbreviation for expendable bathythermograph
XCP	Except
XNG	Crossing
XPC	Expect
XPCD	Expected
XPCG	Expecting
XPCS	Expects
XPLOS	Explosive
XS	Atmospherics
XTND	Extend
XTNDD	Extended
XTNDG	Extending
XTRM	Extreme
XTRMLY	Extremely