National Weather Service United States Department of Commerce

Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >

Station Pressure

by Tim Brice and Todd Hall

 

 
 
 
Enter the elevation of the station and choose your units: Station Pressure in inches of mercury:
feet meters in HG
Enter your altimeter setting and choose your units: Station Pressure in millimeters of mercury:
in of mercury mm of mercury millibars (hPA) mm HG
  Station Pressure in millibars (hectoPascals):
  mb (hPA)

 

What is the formula for the station pressure script?