Severe weather phenomena are weather conditions that are hazardous.

Examples include:

• drought
• heat wave

• thunderstorm
• blizzard
• ice storm

• arctic cyclone
• cyclone (including European windstorms)
• monsoon
• tornado (also referred to as a whirlwind or twister)
• gustnado
• derecho
• tropical cyclone (also called a hurricane, typhoon, or "cyclone")

Phenomena caused by severe weather include:

• flood
• forest fire
• landslide, mudslide
• avalanche
• derecho

See also extreme weather, meteorology.