National Weather Service United States Department of Commerce

Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Virtual Temperature

by Tim Brice and Todd Hall

 

 
 
Virtual Temperature
Enter your temperature and choose your units:  Degrees Fahrenheit:
Fahrenheit Celsius Kelvin ° F
Now enter your dewpoint and choose your units:  Degrees Celsius:
Fahrenheit Celsius Kelvin ° C
Finally enter you station pressure (not your altimeter setting): Degrees Kelvin:
in of mercury mm of mercury millibars (hPA) ° K

 

What is the virtual temperature and how is it calculated?