National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. 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?