User:No1storms/sandbox

Severe weather phenomena are weather conditions that are hazardous to human life and property.

Examples
Severe weather can occur under a variety of situations, but three characteristics are generally needed: a temperature or moisture boundary, moisture, and (in the event of severe, precipitation-based events) instability in the atmosphere.


 * Cold wave
 * Cyclone (generic)
 * extratropical cyclone or weather bomb
 * weather front
 * subtropical cyclone
 * storm
 * Medicane
 * Arctic cyclone
 * Fog
 * Ice fog
 * Explosive cyclogenesis
 * gale
 * haar (fog)
 * Humidity
 * Heat wave
 * heat burst
 * Hurricane
 * Severe thunderstorm (hailstorm, downburst: microburst/macroburst


 * Supercell
 * shelf cloud
 * gust front
 * squall
 * Derecho straight-line winds
 * Squall line storm front Bow echo
 * Tornado (also colloquially referred to as a "whirlwind" or "twister")
 * Waterspout
 * landspout
 * gustnado
 * Tropical cyclone (also called a hurricane, typhoon, or "cyclone")
 * Windstorm (gradient pressure induced)


 * storm
 * European windstorms
 * Winter storms
 * nor’easter
 * lake effect snow
 * Blizzard
 * Ice storm
 * monsoon
 * Nor'wester
 * rainstorm
 * cold drop (gota fría)
 * tidal surge

Phenomena not caused by thunderstorms

 * Avalanche
 * Blizzard
 * snownado snow devil
 * steam devil
 * Drought
 * Dust storm, haboob, Dust devil, Sandstorm
 * bora (wind) Gregale katabatic wind Santa Ana winds Bohemian wind
 * Landslide, mudslide rockfall
 * Flood, flash flood, coastal flooding
 * Wildfire, firestorm
 * heat lightning
 * Fire whirl firenado fire tornado
 * High Seas Rogue wave
 * seiche
 * Swell (ocean)
 * tidal surge
 * rip currents Undertow (water waves)
 * whirlpools
 * blue green algae Harmful algal bloom red tide
 * Zud
 * Black ice Glaze ice
 * ice
 * Blood rain red rain
 * Ice shove
 * High tides

Phenomena caused by severe thunderstorms

 * Large Hail
 * High winds – 93 km/h(58 mph) or higher.
 * extreme wind (70 mph or greater)
 * Tornadoes
 * Deadly Lightning
 * Flood, flash flood coastal flooding
 * thunder snow snow squalls