The northern hemisphere has experienced extreme heat during the first part of the summer with extreme precipitation in parts.
A report by the World Meteorological Organisation states that Japan has experienced the worst flooding and landslides in decades, breaking many previous precipitation records. It has resulted in devastation with approximately 179 people losing their lives and 10,000 houses being destroyed.
The remnants of Typhoon Prapiroon combined with a stationary weather front caused torrential rainfall in large parts of the country. Parts of western Japan have received between two to four times the mean monthly precipitation for July. This triggered several landslides and extreme flooding events. The table below from the WMO lists the highest precipitation amounts from the worst affected areas in Japan between June 28th and July 8th
Typhoon Maria hit Japan’s southern Ryukyu Islands with heavy rain and powerful winds during the second week of July, threatening lives and property. Maria is expected to travel towards Taiwan and then eastern China later this week with large scale evacuation orders expected along its path.
June has been the second warmest on record globally, according to the European Centre for Medium Range Weather Forecasts Copernicus Climate Change Service. And the hottest La Niña year on record. Some of the highest temperatures experienced across the globe in June and early July are listed below –
Furnace Creek, California
Chino, Los Angeles
During the same period parts of Eastern Canada experienced spells of wintery weather with temperatures of -1°C in St John and Halifax, and snow in parts of New Foundland and Nova Scotia.
Parts of Europe experienced drought and extreme heat during June and early July. For some parts of northern Europe, it was the warmest and driest June on record. The heatwave in the UK which saw temperatures at 28°C or above lasted 16 consecutive days.