National Weather Service United States Department of Commerce

Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms are forecast from the southern Plains to the Midwest today through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the southeastern U.S. and parts of the central U.S. into next week. Several daily record high maximum and high minimum temperature records are likely to be broken. 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?