ESS124
Prof.
Jin-Yi Yu
The
Station Model: Pressure
qThe pressure value shown is the measured atmospheric pressure adjusted to sea level.
qThe
units used are “mb”.
qTo save space, the “thousand” and the “hundred” values, and the decimal point are dropped.
č So “138” means 1013.8 mb
To decode the value of pressure on the
station model, add a 9 if the first
number is 6, 7, 8, or 9; otherwise add a 10.