National Weather Service United States Department of Commerce

Ian to Bring Life-Threatening Storm Surge and Hurricane Conditions By This Afternoon

The center of Ian will reach the coast of South Carolina today, and then move farther inland across eastern South Carolina and central North Carolina tonight and Saturday. There is a danger of life-threatening storm surge along the coasts of northeast Florida, Georgia, and the Carolinas today. Hurricane-force winds are expected along the coasts of South Carolina and southeastern North Carolina. 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?