National Weather Service United States Department of Commerce

Fire Weather in the West; Strong to Severe Storms in Southern Mid-Atlantic; Tropics off Florida and Southeast

Critical fire weather conditions will continue across the Inter-mountain West through the upcoming weekend, as Red Flag Warnings and Fire Weather Watches are in effect. Meanwhile, strong to severe storms w/ damaging winds and heavy rain likely in North Carolina and southern Virginia. Finally, the National Hurricane Center is monitoring a broad area of low pressure in the Bahamas for development. Read More >

 Pressure Altitude

by Tim Brice and Todd Hall
 
 
   
Enter your uncorrected station pressure (not the altimeter setting): Pressure Altitude in feet:
  in of mercury mm of mercury millibars (hPA) ft
  Pressure Altitude in meters:
  m

 

What is the formula for the pressure altitude script?