moderate gale: wind moving 32-38 knots; 7 on the Beaufort scale
gale: a strong wind moving 45-90 knots; force 7 to 10 on Beaufort scale
vapor lock: a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)