Tokyo heavy rain & flood warningsInternetHazard mapsInformation broadcast vehiclesTVRadio and are prepared based on the flooding situation expected during forecasted heavy rainfallFor example, the respective rainfalls considered for the Shinano River System, Shinano River (downstream), Sekiya Diversion Channel Flood-Prone Area Map are...Rainfall as heavy as that which flooded downtown Sanjo in 20047.13 floodsHeavy rainfall in Niigata/276mmTotal two-day rainfall in the lower Shinano River BasinFukushima on July 13, 20041The Awareness MapIn recent years, record-breaking heavy rainfall has been occurring in many parts of Japan due to global warming and other factors. Sanjo also experienced large-scale heavy rainfall that caused major damage during the July 2004 (July 13, 2004) and July 2011 (July 27-30, 2011) floods. Similar or even heavier rainfall is possible in the future. This guidebook describes the kind of risks that Sanjo is exposed to during heavy rainfall, actions to take in the event of a disaster, and preparatory measures you can adopt in advance of a disaster.Please make use of this guidebook to protect the lives of you and your loved ones in the event of a disaster.The guidebook’s structure and usage methodAwareness MapSee Page 3 The Awareness Map allows you to check the rivers most likely to affect your home. Escape Map Heavy rainfall with a probability of occurring once every 100 to 150 years**probability of occurrence for Shinano River, Ikarashi River, and Kariyata RiverThis forecast informs preventative Maximum theoretically possible heavy rainfall,which would render embankments and dams non-functionalCheck the possible evacuation sites around you and where you should evacuate to.Forecasted heavy rainfall270mmTotal two-day rainfall in the lower Shinano River BasinCheck the information that will be announced in the event of a disaster and when you should evacuate.The Flood-Prone Area Maps showing the extent and depth of flooding in the event of a flood have been prepared based on two different magnitudes of rainfall.Forecasted heavy rainfallAssumed heaviest rainfallHeavy rainfall with a probability of occurring once every 1,000 yearsAssumed heaviest rainfallShinano River Basin633mmTotal two-day rainfall in the lower measures taken to control river floodingWhere to evacuate to?See Page 5Know where to evacuate toWhen to evacuate?See Page 6Know when to evacuateKnow your disaster risksProtect Your Life
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