National Weather Service United States Department of Commerce

Critical to Extremely Critical Fire Weather in the Southern Plains; Heavy Snow in the Northern Rockies

Gusty winds and very dry conditions will lead to a critical to extremely critical fire weather threat over portions of the Central and Southern Plains Thursday. Critical fire weather continues through Friday. Moderate to heavy mountain snow and strong winds will expand into the Northern Rockies Thursday, then into Colorado by Friday. Up to a foot of snow accumulation is possible. 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?