Find a term from the labs, understand the process behind it, and see how it appears in the landscape. Each entry connects an explanation with a real observation and a model you can explore.
Term
PGF
Also written: Pressure-gradient force
Pressure-gradient force: the force per unit mass associated with a pressure difference, directed from higher towards lower pressure.
What to look for
NOAA surface analyses during a late-February 2022 storm. Isobars join equal pressure; front symbols identify analysed boundaries between air masses.
