Heat exhaustion is strongly related to the heat index, which is a measurement of how hot you feel when the effects of relative humidity and air temperature are combined. A relative humidity of 60% or more hampers sweat evaporation, which hinders your body's ability to cool itself.
Statistics (2015) Jacksonville International Airport (IATA: JAX, ICAO: KJAX, FAA LID: JAX) is a civil-military public airport 13 miles (21 km) north of downtown Jacksonville, in Duval County, Florida. It is owned and operated by the Jacksonville Aviation Authority.
Long-Term JAX Parking There are two options for long-term parking at Jacksonville Airport: the Daily Surface Lot and the Economy Lots. Economy Parking Lots 1 and 2 are located east of the airport. Economy Lot 2 is currently closed for maintenance. Daily Surface Lot.