Description: This booklet gives an overview of thunderstorms as they relate to aviation; according to the scope notes on the title page, it includes information about "Factors necessary for thunderstorm formation, structures, types and dangers of thunderstorms, [and] flight techniques." The text also has self-evaluation questions printed throughout, with the answers printed on the last page.

Description: This booklet gives an overview of fog as it relates to aviation; according to the scope notes on the title page, it includes information about "Types of fog and factors for formation and dissipation; flight procedures when fog has been forecasted or encountered enroute; and the enroute weather aids available to the aviator." The text also has self-evaluation questions printed throughout, with the answers printed on the last page.