Query: cold deaths actually occur during moderate temperatures

Relevant passages:
Deep hypothermic circulatory arrest <=SEP=> Deep hypothermic circulatory arrest ( DHCA ) is a surgical technique that involves cooling the body to temperatures below 20 ° C ( 68 ° F ) , and stopping blood circulation and brain function for up to one hour . It is used when blood circulation to the brain must be stopped because of delicate surgery within the brain , or because of surgery on large blood vessels that lead to or from the brain . DHCA is a form of carefully managed clinical death in which heartbeat and all brain activity cease .   At normal body temperature of 37 ° C only several minutes of stopped blood circulation causes changes within the brain leading to permanent damage after circulation is restored . Reducing body temperature extends the time interval that such stoppage can be survived . At a brain temperature of 14 ° C , blood circulation can be safely stopped for 30 to 40 minutes . There is an increased incidence of brain injury at times longer than 40 minutes , but sometimes circulatory arrest for up to 60 minutes is used if life-saving surgery requires it . Infants tolerate longer periods of DHCA than adults .   Applications of DHCA include repairs of the aortic arch , repairs to head and neck great vessels , repair of large cerebral aneurysms , repair of cerebral arteriovenous malformations , pulmonary thromboendarterectomy , and resection of tumors that have invaded the vena cava .

Global storm activity of 2009 <=SEP=> Global storm activity of 2009 profiles the major worldwide storms , including blizzards , ice storms , and other winter events , from January 1 , 2009 to December 31 , 2009 . Wintery storms are events in which the dominant varieties of precipitation are forms that only occur at cold temperatures , such as snow or sleet , or a rainstorm where ground temperatures are cold enough to allow ice to form ( i.e. freezing rain ) . It may be marked by strong wind , thunder and lightning ( a thunderstorm ) , heavy precipitation , such as ice ( ice storm ) , or wind transporting some substance through the atmosphere ( as in a dust storm , snowstorm , hailstorm , etc. ) . Summer storms including flooding , severe thunderstorms and extratropical cyclones ( which can occur in summer or winter ) are also included in this list to a certain extent .   As this occurred a heat wave and/or unforeseen monsoon weather also hit parts of Australia in 2009 and 2010 . Victoria , the scene of horrific bushfires the year before , had a far colder summer , with hot weather arriving more than a month later than usual in 2009 . August 17 saw a dust storm at Laguna Mar Chiquita as a major drought hit Argentina , and flooding and hailstorms hit southeastern Australia and Queensland in March 2010 . The lack of winter precipitation in parts of China , however , contributed to a severe drought in the southwest . Bolivia , Venezuela , Mali , Mauritania , Morocco and Spain have also seen periods of drought in 2009 and 2010 . On between May 12 and 26 , both Mauritania , the Sénégal River Area and neighbouring parts of both Senegal and Mali faced both a drought and famine in 2010 .   A storm ( from Proto-Germanic * sturmaz `` noise , tumult '' ) is any disturbed state of an astronomical body 's atmosphere , especially affecting its surface , and strongly implying severe weather .   Storms are created when a centre of low pressure develops , with a system of high pressure surrounding it . This combination of opposing forces can create winds and result in the formation of storm clouds , such as the cumulonimbus . Small , localized areas of low pressure can form from hot air rising off hot ground , resulting in smaller meteorological disturbances such as dust devils and whirlwinds .

2010 Northern Hemisphere heat waves <=SEP=> The 2010 Northern Hemisphere summer heat waves included severe heat waves that impacted most of the United States, Kazakhstan, Mongolia, China, Hong Kong, North Africa and the European continent as a whole, along with parts of Canada, Russia, Indochina, South Korea and Japan during May, June, July, and August 2010. The first phase of the global heatwaves was caused by a moderate El Niño event, which lasted from June 2009 to May 2010. The first phase lasted only from April 2010 to June 2010, and caused only moderate above average temperatures in the areas affected. But it also set new record high temperatures for most of the area affected, in the Northern Hemisphere. The second phase (the main, and most devastating phase) was caused by a very strong La Niña event, which lasted from June 2010 to June 2011. According to meteorologists, the 2010–11 La Niña event was one of the strongest La Niña events ever observed. That same La Niña event also had devastating effects in the Eastern states of Australia. The second phase lasted from June 2010 to October 2010, caused severe heat waves, and multiple record-breaking temperatures. The heatwaves began on April 2010, when strong anticyclones began to develop, over most of the affected regions, in the Northern Hemisphere. The heatwaves ended in October 2010, when the powerful anticyclones over most of the affected areas dissipated. The heat wave during the summer of 2010 was at its worst in June, over the Eastern United States, Middle East, Eastern Europe and European Russia, and over Northeastern China and southeastern Russia. June 2010 marked the fourth consecutive warmest month on record globally, at 0.66 °C (1.22 °F) above average, while the period April–June was the warmest ever recorded for land areas in the Northern Hemisphere, at 1.25 °C (2.25 °F) above average. The previous record for the global average temperature in June was set in 2005 at 0.66 °C (1.19 °F), and the previous warm record for April–June over Northern Hemisphere land areas was 1.16 °C (2.09 °F), set in 2007. The strongest of the anticyclones, the one situated over Siberia, registered a maximum high pressure of 1040 millibars. The weather caused forest fires in China, where three in a team of 300 died fighting a fire that broke out in the Binchuan County of Dali, as Yunnan suffered the worst drought in 60 years by February 17. A major drought was reported across the Sahel as early as January. In August, a section of the Petermann Glacier tongue connecting northern Greenland, the Nares Strait and the Arctic Ocean broke off, the biggest ice shelf in the Arctic to detach in 48 years. By the time the heatwaves had ended in late October 2010, about $500 billion (2011 USD) of damage was done, in the Northern Hemisphere alone. The World Meteorological Organization stated that the heat waves, droughts and flooding events fit with predictions based on global warming for the 21st century, include those based on the Intergovernmental Panel on Climate Change's 2007 4th Assessment Report. Some climatologists argue that these weather events would not have happened if the atmospheric carbon dioxide was at pre-industrial levels.