Heat stroke is the most severe form of heat-related illness. It’s less common than other issues such as heat exhaustion (characterized by heavy sweating, weakness, cold, pale or clammy skin, fainting, a fast or weak pulse, and nausea or vomiting) or heat syncope (fainting). But heat stroke can happen quickly, to anyone, and can result in irreversible damage or death.
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(LZF VIA GETTY IMAGES via HuffingtonPost)
"Understanding tornadoes: 5 questions answered"
We asked meteorology professors Paul Markowski and Yvette Richardson to explain why tornadoes form...
1. Where are tornadoes most likely to occur?
2. How do actual tornadoes form?
3. How precisely can we predict tornado strikes?
4. What should I do during a tornado warning?
5. Is climate change making tornadoes bigger or more frequent?
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[This photo taken on Monday, May 26, 2014 and provided by Jill Helmuth, shows a tornado touching down on a reach before heading towards Watford City, N.D. Authorities say several were injured and more than a dozen trailers were damaged or destroyed Monday evening when the twister tore through a camp where oil field workers stay. (Credit: AP Photo/Jill Helmuth via Salon.com)]
 Stacy R. Stewart (May 9, 2017). Tropical Storm Adrian Public Advisory Number 2 (Report). Miami, Florida: National Hurricane Center. Retrieved May 9, 2017.
By Paul Douglas
Average Low: 54F (Record: 37F set in 1946)
Daylight gained since winter solstice (December 21st): ~6hours & 37mins
Additional Daylight Gained By Summer Solstice (June 20th): ~ 13min
0.2 Days Before First Quarter
"Climate change is literally keeping us up at night"
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(Image credit: Shutterstock via NYPost.com)
"Combination of carbon emissions and ‘urban heat island’ effect of concrete and asphalt gives rise to worst-case scenario by end of 21st century. Under a dual onslaught of global warming and localised urban heating, some of the world’s cities may be as much as 8C (14.4F) warmer by 2100, researchers have warned. Such a temperature spike would have dire consequences for the health of city-dwellers, rob companies and industries of able workers, and put pressure on already strained natural resources such as water. The projection is based on the worst-case scenario assumption that emissions of greenhouse gases continue to rise throughout the 21st century. The top quarter of most populated cities, in this scenario, could see temperatures rise 7C or more by century’s end, said a study in the journal Nature Climate Change. For some nearly 5C of the total would be attributed to average global warming. The rest would be due to the so-called “urban heat island” effect, which occurs when parks, dams and lakes, which have a cooling effect, are replaced by concrete and asphalt – making cities warmer than their surrounds, the researchers said."
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(Image Credit: The median city stands to lose between 1.4 and 1.7% of GDP per year by 2050 due to climate change. Photograph: Anadolu Agency/Getty Images via The Guardian)
Climate change is a threat to all species, but which species will be under the greatest threat? The question is at the centre of research by a Monash University biologist Dr Vanessa Kellermann, who examines heat resistance – or 'thermal history' - to determine which species will suffer more as a result of climate change. The latest development in Dr Kellermann's work was published recently in Proceedings of the Royal Society B. "Getting accurate predictions of a species' risk to climate change is no easy task," Dr Kellermann said. "One way is to take species from the field and estimate heat resistance and see how close this estimate is to future climate projections," she said. The closer a species' heat tolerance is to maximum temperature of the environment the more at risk a species is to climate change. However, estimates of heat tolerance might be influenced by the environment a species is collected from.
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(Drosophila melanogaster. Credit: Dr Andrew Weeks via Phys.org)