Weather ❯ Meteorology ❯ Atmospheric Pressure

High Pressure Systems

Low Pressure Systems Anticyclones Temperature Trends Temperature Changes Ridge of High Pressure Regional Weather Patterns Heat Domes Impact on Weather Patterns Temperature Forecasts Impact on Weather

Italy Faces Early-Week Storms, With Calmer Weather Likely by April 25

Cool air aloft from northern Europe is set to spark a short burst of spring storms.

Ukraine Weather Friday: Mostly Dry, With Patchy Wet Snow and Rain in the East

Italy Braces for Late-Week Atlantic Storm Bringing Colder Air, Lower Snow Levels and Gale-Force Winds

December Warmth Puts Phoenix on Record Track as High-Pressure Ridge Persists

Persistent African High Keeps Italy Mild, Forecasters Eye Rain From Dec. 16

Midweek 80s Grip Coachella Valley as High Pressure Holds

Brief Early‑November Warm Spell to Peak Wednesday in France With South‑West Near 27°C

Hurricane Imelda Targets Bermuda After Rare Fujiwhara With Humberto

Stormy Start to September for Northern Italy, With Brief Warm Rebound Ahead

Tokyo Logs Record 10 Straight 35°C Days as Annual Tally Sets New Mark

Germany Braces for Foggy, Mild Weather Through Year's End