WCyclone
WAleutian Low
WAustralian east coast low
WExplosive cyclogenesis
WCold-core low
WEuropean windstorm
WGenoa low
WIcelandic Low
WKona storm
WLow-pressure area
WMediterranean tropical-like cyclone
WMesocyclone
WPolar low
WPost-tropical cyclone
WSteam devil
WThermal low
WTornado
WTropical cyclone
WUpper tropospheric cyclonic vortex
WWake low