OCHA ROAP SE Asia Floods Snapshot 111006
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Southeast Asia: Flooding (as of 6 October 2011) A combination of typhoons and greater than average rainfall has affected more than 6.5 million people in Southeast Asia. The maps below show how the rainfall on the Indochina penninsula Areas affected by flooding since mid-August 2011 is more than double the average for CHINA this time of year. MYANMAR Typhoon Nesat Struck Northern Vietnam on 30 Sept. Hanoi LAO PDR g Typhoon Nalgae n 3 o Struck Vietnam on 5 Oct k e M Typhoon Nalgae (Quiel) Struck Luzon on 1 Oct. Vientienne THAILAND This map shows the rainfall expected 1 during an average week in September. 4 Due to the monsoon, the Indochinese Typhoon Nesat (Pedring) peninsula normally receives heavy Tropical Storm Haitang Struck Luzon on 27 Sept. rainfall. Struck Central Vietnam on 26 Sept. Source: WORLDCLIM Manila 4 Northern Philippines (Luzon) 0 mm Rainfall per week 1,000 mm CAMBODIA Bangkok Two consecutive typhoons have caused Tonle g n flooding and landslides in the northern Sap 2 o VIETNAM k Philippines. Typhoon Nesat left 59 dead, 28 e M missing and affected 2.4 million people. Phnom Penh 540,000 were affected by Nalgae. Both typhoons have destroyed an estimated US$159 million worth of crops, livestock and fisheries. 1 Thailand Source: OCHA-Philippines Situation Report 3, 4 Oct PHILIPPINES The monsoon rains in Thailand have been heavier than average this year. The recent typhoons have only made the situation worse, causing widespread flooding in North, Northeast and Central parts of Thailand. Since 25 July the Thai Government has reported 244 deaths and 2.6 million affected in 25 provinces. The floods have also damaged about 1 million hectares of the nation’s farmland and 5 affected. 8.5 million livestock. Source: Royal Thai Government MALAYSIA 2 MALAYSIA 3 5 Mekong River (Laos, Cambodia, Vietnam) Northern and Central Vietnam Southern Philippines (Mindanao) Greater than average precipitation in the Mekong river basin, made worse by TS Haitang struck central Vietnam on 26 Sept releasing The typhoons affecting Luzon have exacerbated recent typhoons, has led to flooding. In Cambodia the Mekong and Tonle Sap an average of 165mm of rain in a 3 day period. 4 people the normal monsoon rains, resulting in flash rivers have been overflowing since mid-August. 177,000 families affected, were killed, 128 houses were damaged, and nearly floods. By 27 Sept over 251,000 people affected. 17,300 families evacuated and 167 casualties, affecting 14 out of 24 provinces. 5,200ha of cropland was flooded. These are the same areas that have been affected In the Mekong Delta in southern Vietnam, seasonal flooding has been far worse This map shows how heavy the rain has Typhoon Nesat made landfall on 30 Sept, affecting by the long running conflict in Mindanao. than normal resulting in 11 dead, nearly 27,000 homes damaged, and nearly been recently. Even before the arrival of northern provinces. Rainfall averaged 150mm over a 3 6,000ha of rice paddies flooded. In Lao PDR the government reports 30 dead, Source: Philippines National Disaster Risk Reduction and Haitang and Nalgae the areas in dark blue day period. The resulting floods killed 2, damaged over nearly 430,000 affected, and 65,000ha of farmland destroyed. Heavy rains are Management Council received 12-18 3,200 houses and flooded nearly 14,000ha of cropland. 1 metre of rain in the week predicted to continue for several more weeks. Sept. Sources: Mekong River Commission, Cambodian National Commission on Disaster Source: Vietnamese Central Committee for Flood and Storm Control, UN in Vietnam Source: Mekong River Commission - Weekly Flood Management, Vietnamese Central Committee for Flood and Storm Control, UN in Situation report 18 Sept. Vietnam, Government of Lao PDR.