 High rainfall can cause widespread flooding , which can lead to landslides and mudflows in mountainous areas . Such floods cause rivers to burst their banks and submerge homes . The Ghaggar @-@ <unk> River , which only flows during India 's monsoon season , can flood and severely damage local crops . Floods can be exacerbated by fires during the previous dry season , which cause soils which are sandy or composed of loam to become hydrophobic , or water repellent . In various ways governments may help people deal with wet season floods . Flood plain mapping identifies which areas are more prone to flooding . Instructions on controlling erosion through outreach are also provided by telephone or the internet . 
