National Weather Service United States Department of Commerce

Active Weather Pattern To Persist Over The Western U.S., Inclement Weather Expected Over The East

A series of storm systems will bring a continued threat for heavy rain, strong winds, and rough surf to coastal locations from northern California to the Northwest U.S. into the weekend. Heavy snow will be likely across the Intermountain West. Over the Eastern U.S., low pressure will gather strength and move up the eastern seaboard through Saturday bringing ice, rain, and gusty winds. Read More >

Density Altitude

by Tim Brice and Todd Hall

 

 
 
 
Enter the air temperature and choose a unit: Density Altitude in feet:
Fahrenheit Celsius Kelvin ft
Enter the actual station pressure (not the altimeter setting) and choose a unit: Density Altitude in meters:
in of mercury mm of mercury millibars (hPA) m
Enter the dewpoint and choose a unit:  
Fahrenheit Celsius Kelvin  

 

What is the formula for the density altitude script?