equivalent to alert level 4
alert level 4
announcement of flood hazard information
bank
clouds
disaster
evacuation
evacuation instructions
flood
flood alarm
flood hazard information
flood warning
flood warning water level
flooding
heavy rain
heavy rain flood warning
heavy rain warning
japan
linear precipitation zone
muddy stream
natural disaster
natural disasters
outdoor
rain
rising
risk
river
scenery
torrential rain
typhoon
vigilance water level
water
water level
wet weather
yamato river