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October 2022: Earth’s 4th-warmest October on record

November 30, 2022

October 2022: Earth’s 4th-warmest October on record

Europe had its warmest October on record, as did Northern Hemisphere land areas.
Warm afternoon in London on 11/28/22
Sunshine bathes government buildings at Whitehall Street in London on the unusually mild afternoon of Friday, October 28, 2022. The high of 66 degrees Fahrenheit at Kew Gardens followed 70 degrees on October 27. Some of the warmest late-October weather ever recorded reached many locations in Europe, including 92 degrees Fahrenheit at Lomnè, France, on October 29. (Image credit: Bob Henson)

October 2022 was Earth’s fourth-warmest October since record-keeping began in 1880, NOAA’s National Centers for Environmental Information (NCEI) reported November 15. NASA rated October as the fifth-warmest on record, behind 2016, 1.23 degrees Celsius (2.21°F) above the 1880-1920 period – its best estimate for when preindustrial temperatures last occurred. The European Copernicus Climate Change Service and the Japan Meteorological Agency rated October 2022 as the third-warmest October on record. Such minor differences in the agencies’ rankings can result from the different ways they treat data-sparse regions such as the Arctic.

Land areas had their second-warmest October on record in 2022, land areas in the Northern Hemisphere had their warmest October on record, and global ocean temperatures were the fifth-warmest on record, according to NOAA. Europe had its warmest October on record; Africa, its third-warmest; and Asia and North America, their sixth-warmest. Oceania and South America each had a warmer-than-average October, but the month did not rank among their top 10 warmest on record.

The year-to-date global surface temperature is the sixth-highest on record, and 2022 is 99% likely to end up as the sixth-warmest year on record, according to NOAA.

Land and ocean temperature percentiles
Figure 1. Departure of temperature from average for October 2022, the fourth-warmest October for the globe since record-keeping began in 1880, according to NOAA. Parts of western and central Europe, western North America, and Africa experienced record-high October temperatures. No areas experienced record cold. (Image credit: NOAA/NCEI)

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Extreme weather and pandemic help drive global food prices to 46-year high

December 8, 2021

Extreme weather and pandemic help drive global food prices to 46-year high

Current high food prices, combined with the ongoing pandemic, will make the global food supply highly vulnerable to extreme weather shocks in 2022.
Hurricane damage
Aerial view of stranded barges along the Mississippi River in Louisiana, on August 30, 2021, in the wake of category 4 Hurricane Ida. The hurricane significantly disrupted transport of grains and fertilizer in September, contributing to high global food prices. (Image credit: Congressman Garret Graves (R-La), Ranking Member of the House Select Committee on the Climate Crisis)

Global food prices in November rose 1.2% compared to October, and were at their highest level since June 2011 (unadjusted for inflation), the United Nations Food and Agriculture Organization (FAO) said in its monthly report on December 2. After adjusting for inflation, 2021 food prices averaged for the 11 months of 2021 are the highest in 46 years.

The high prices come despite expectations that total global production of grains in 2021 will set an all-time record: 0.7% higher than the previous record set in 2020. But because of higher demand (in part, from an increased amount of wheat and corn used to feed animals), the 2021 harvest is not expected to meet consumption requirements in 2021/2022, resulting in a modest drawdown in global grain stocks by the end of 2022, to their lowest levels since 2015/2016.

Food prices
Figure 1. Global food prices averaged over the year 2021 are the highest since 1975, after adjusting for inflation. (Image credit: United National Food and Agriculture Organization)

The November increase in global food prices was largely the result of a surge in prices of grains and dairy products, with wheat prices a dominant driver. In an interview at fortune.com, Carlos Mera, head of agri commodities market research at Rabobank, blamed much of the increase in wheat prices on drought and high temperatures hitting major wheat producers including the U.S., Canada, and Russia.

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Weather whiplash in Canada: extreme rains hit wildfire-devastated British Columbia

November 16, 2021

Weather whiplash in Canada: extreme rains hit wildfire-devastated British Columbia

Climate change is likely to increase extreme flooding from atmospheric river events like this one.
Flood damage
Flooding in British Columbia on November 15, 2021. (Image credit: BC Hydro)

An intense low-pressure system brought an atmospheric river of water vapor and torrential rains to southern British Columbia and northwestern Washington state on Monday, generating devastating flooding that virtually isolated the city of Vancouver from the rest of Canada. The floods came less than five months after the most extreme heat wave in global history affected the same region, fueling destructive wildfires.

Flooding and landslides from Monday’s storm cut the three main highways connecting the city of Vancouver, located on the Pacific coast, with the interior portions of Canada. Damage to some of these highways was extreme, and will result in months-long closures. In addition, all rail access to Vancouver was cut by the flooding, with closures expected to last days or weeks. These closures may have significant impacts on the Canadian economy, since the Port of Vancouver is the largest port in Canada, and fourth-largest in North America. Canada is one of the world’s largest grain exporters, and the flood damage will interrupt exports of wheat and vegetable oil, potentially causing a rise in global food prices, which are already at a 46-year high.

Over 10 inches of rain in 24 hours

On Monday, a large swath of southern British Columbia recorded four to 10 inches of rain in 24 hours, setting numerous records for most precipitation in a day. One of the highest 24-hour amounts observed was 11.59 inches (294.3 millimeters) in Hope, British Columbia.

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Scientists Call Northwest Heatwave the ‘Most Extreme in World Weather Records’

July 13, 2021

Wildfires rage amid a devastating heatwave in the Pacific Northwest

Flames surround the drought-stricken Shasta Lake in Lakehead, California on July 2, 2021. (Photo: Josh Edelson/AFP via Getty Images)

Scientists Call Northwest Heatwave the ‘Most Extreme in World Weather Records’

“Never in the century-plus history of world weather observation have so many all-time heat records fallen by such a large margin.”

A pair of climate scientists on Thursday said the record-high temperatures that have ravaged the northwestern U.S. and western Canada over the past week—killing hundreds and sparking dozens of wildfires—represent the “world’s most extreme heatwave in modern history.”

“It’s not hype or exaggeration to call the past week’s heatwave the most extreme in world weather records.”
—Bob Henson, Jeff Masters

“Never in the century-plus history of world weather observation have so many all-time heat records fallen by such a large margin than in the past week’s historic heatwave in western North America,” meteorologist Bob Henson and former National Oceanic and Atmospheric Administration (NOAA) hurricane scientist Jeff Masters wrote for Yale Climate Connections.

“It’s not hype or exaggeration to call the past week’s heatwave the most extreme in world weather records,” they argued. “The only heatwave that compares is the great Dust Bowl heatwave of July 1936 in the U.S. Midwest and south-central Canada. But even that cannot compare to what happened in the Northwest U.S. and western Canada over the past week.”

In British Columbia, the chief coroner said her office has received nearly 500 reports of “sudden and unexpected” deaths since last Friday, many of which are believed to be connected to the record temperatures that the region has suffered in recent days.

Residents of the small British Columbia village of Lytton—which on Tuesday recorded Canada’s all-time high temperature of 121°F—were forced to evacuate Wednesday as a wildfire ripped through the area and quickly engulfed the small town, destroying homes and buildings.

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Olduvai IV: Courage
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