Let’s hope the “greatest nation on Earth” can handle this emergency.
High wet bulb temperatures and related heatwave mass casualty events have spanned the globe during the record hot summer of 2015. Now, it appears the Southern United States is also falling under the gun of life-threatening heat and humidity.
Gulfs of Mexico, California Host Screaming Sea Surface Temperatures
As with so many recent heatwaves with the potential to produce mass casualty events, the story starts with sea surface temperatures in excess of 30 degrees Celsius (86 Fahrenheit). And across a broad region of the Gulf of Mexico and all throughout the Gulf of California ocean surface waters now feature temperatures in the range of 30 to 33 degrees C (86 to 91 F).
(A tell-tale pool of 30 C+ water is gathering in the Gulfs of Mexico and California. Such hot water is a support for deadly wet-bulb readings in the range of 30-33 C. Image source: Earth Nullschool
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