A study into the space-time characteristics of meteorological early warning signalshave significance to extreme weather events monitoring and climatic disaster emergency management.The meteorological early warning signalsreleased by Hubei province during the period of 2016-2019 were statistically analyzed in classification of signal category,disastergrade,releasing date,and covered area.It is found that torrential rain,strong wind,thunder & lightning,heavy fog,and heat wave were listed as the main warning events,and mainly targeted at southeast and southwest of Hubei during July-August.The principles for releasing meteorological early warning signals are summarized for Hubei province.