National Weather Service United States Department of Commerce

Tropical Storm Milton Strengthening in the Gulf of Mexico; Dangerous Heat in the Southwest

A late season heat wave will continue across portions of California into the Desert Southwest. Meanwhile, Tropical Storm Milton is strengthening in the southwest Gulf of Mexico. Milton is expected to become a major hurricane and bring significant impacts to Florida this upcoming week. Read More >

Altimeter Setting

by Tim Brice and Todd Hall

 

 
 
 
 
Enter the elevation of the station and choose your units6: Altimeter Setting in in. of mercury:
feet meters in HG
Enter your station pressure (not the altimeter setting) and choose your units: Altimeter Setting in mm of mercury:
in of mercury mm of mercury millibars (hPA) mm HG
  Altimeter Setting in millibars (hPa):
  mb (hPA)

 

What is the formula for the altimeter setting script?