National Weather Service United States Department of Commerce

Heavy Rain Continues over Portions of the Pacific Northwest

Heavy rain with local flooding will continue along the Washington and Oregon coasts for the next few days. Snow will impact the higher elevations of the Cascades to the northern Rockies. Strong winds will develop in the Sierra and Great Basin. Meanwhile, heavy rain is possible in parts of Florida while light snow will fall in the Upper Great Lakes and northern New England. 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?