National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. 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?