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Annual Report on Global Extreme Climate Events -----

Major extreme climate events and weather-related disasters during this year

Extreme Climate Event  


  • Annual mean temperatures were above normal in most parts of the world, and were extreme high in the following areas: the eastern part of the Eurasian Continent, the southern part of the North American Continent, the South American Continent, and the Australian Continent (except from the central to northwestern parts).
  • Extremely high temperatures were frequently observed in many parts of the world, although not so frequently as in 2016 when wide areas of the world was much affected by the El Niño event. In and around Saudi Arabia, extreme high temperatures continued eight consecutive months from April to November. They were observed for six months or more in the following areas: eastern Australia, from Mauritius to northeastern Mozambique, in and around the southern part of Western Africa, from the southwestern USA to Mexico, and from southern India to Sri Lanka.
  • Annual precipitation amounts were above normal in Southeast Asia, and in and around northeastern Europe, and were below normal in and around the Arabian Peninsula, from southern Europe to the northwestern part of Northern Africa, and eastern Brazil.
  • Extremely high precipitations were frequently observed in northeastern Europe, while extremely low precipitations were frequently observed from the Iberian Peninsula to the northwestern part of Northern Africa.

1WarmMarch–April, November–December From northwestern Alaska to the northern part of Eastern Siberia
2Heavy Rain · TyphoonJune–August Southern China
3WarmAugust–October From Okinawa/Amami region of Japan to southeastern China
4TyphoonDecember Philippines
5Typhoon · Heavy RainSeptember–November Vietnam
6Heavy RainMay Southern Sri Lanka
7WarmApril, July–November From southern India to Sri Lanka
8Heavy RainJune–September From South Asia to northeastern Afghanistan
9WarmMay, July, September The southeastern part of Central Asia
10WarmApril–November In and around Saudi Arabia
11WetApril, September–October, December Northeastern Europe
12WarmJune–August Southeastern Europe
13Warm · DryApril–June, October (for Warm), March–May, September, November (for Dry) From the Iberian Peninsula to the northwestern part of Northern Africa
14WarmMarch–April, August–December In and around the southern part of Western Africa
15LandslideAugust Western Sierra Leone
16LandslideAugust Northeastern Democratic Republic of the Congo
17CycloneFebruary Zimbabwe
18WarmFebruary, April, June–November From Mauritius to northeastern Mozambique
19WarmFebruary, April, October From southeastern Canada to the eastern USA
20WarmMarch, June, August, October–December From the southwestern USA to Mexico
21HurricaneAugust–September From the southeastern USA to Caribbean countries
22Heavy RainFebruary–April From southwestern Colombia to Peru
23WarmJanuary, March–April, June, October Eastern Brazil
24WarmJanuary–February, July In and around northwestern Argentina
25WarmJanuary–March, May, July, October–December Eastern Australia
The impacts of each disaster are based on EM-DAT and reports by United Nations organizations and each government.
D. Guha-Sapir, R. Below, Ph. Hoyois - EM-DAT: The CRED/OFDA International Disaster Database - - Université Catholique de Louvain - Brussels - Belgium.

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