Category	Ceiling	Visibility	Symbol
LIFR*	below 500 feet and/or	less than 1 mile
IFR	500 to below 1,000 feet and/or	1 to less than 3 miles
MVFR	1,000 to 3,000 feet and/or	3 to 5 miles
VFR**	greater than 3,000 feet and	greater than 5 miles

* By definition, IFR is ceiling less than 1,000 feet and/or visibility less than 3 miles, LIFR is a sub-category of IFR (ceiling less than 500 feet and/or visibility less than 1 mile). The Aviation Weather Center distinguishes LIFR from IFR for the purposes of this graphic.

** By definition, VFR is ceiling greater than or equal to 1,000 feet and visibility greater than or equal to 3 miles, MVFR is a sub-category of VFR (ceiling 1,000 - 3,000 feet and/or visibility 3 to 5 miles). The Aviation Weather Center distinguishes MVFR from VFR for the purposes of this graphic.