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World Weather review: October 2017

Bundaberg in Queensland, Australia, suffered its largest one-day downpour in half a century on 2nd Oct, with more than 340 mm of rain falling causing flash flooding.

Storm Xavier swept across northern Germany killing at least 7 on 5th October.

Storm Nate killed at least 25 people in Coast Rica, Nicaragua and Honduras on 5th-6th Oct, causing heavy rain, landslides and flooding. It weakened to a tropical depression after bringing heavy rain to south-eastern US on the 7th and 8th, making landfall as a hurricane in Louisiana and Mississippi.

UK Weather review: Oct 2017

October was rather mild on the whole and unusually warm at times, with a mean temperature of 11.3°C, 1.8°C above the 1981-2010 average. It was also cloudier yet drier than average in many places, especially the south-east, with <25% of the average rainfall in some areas. Some parts of north and western Scotland, north-western England and Northern Ireland were, however, above average due to ex-hurricane Ophelia and Storm Brian, the second storm of the season.

WMO: 2017 expected to be third hottest year on record

The World Meteorological Organization (WMO) released its provisional Statement on the State of the Climate this week, estimating that 2017 is likely to be one of the warmest years for global average surface temperature, with many high-impact events including catastrophic hurricanes, floods, heatwaves and droughts.  The Statement was released on the opening day of the United Nations climate change conference in Bonn.

Atlantic hurricanes: Irma and Maria

On Tuesday 5th September, Hurricane Irma developed into one of the Atlantic’s most powerful storms. The category 5 hurricane - highest category storm on the Saffir-Simpson scale (a commonly used scale that attempts to measure potential property damage from storm winds) - had wind speeds around 185 mph, matching those of Wilma in 2005 which killed 87 people and cost  billions of dollars in damage.