National Weather Service United States Department of Commerce

Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. 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?