“These are extremely dangerous/deadly temperatures! Hikers should be OFF TRAILS in the afternoon. We strongly recommend to not start a hike if the temperature is over 85F degrees.”Īlso, Texas authorities at Big Bend National Park said temperatures top 110 degrees daily along the Rio Grande river and throughout the desert areas. Officials at New Mexico’s White Sands National Park cautioned,”High temperatures over 100F degrees are expected. In turn, Death Valley National Park in California and Saguaro National Park in Arizona posted warnings on their websites advising people not hike after 10 a.m. It has only happened a handful of times, one of which is the all-time global record high temperature of 134 degrees. Ocean heat around Florida is 'unprecedented,' and scientists are warning of major impactsĮven the hottest place on Earth, California’s Death Valley, could reach rare highs, with 130 degrees possible Sunday, forecasters at the National Weather Service told CNN.

Scientists are concerned Florida's unprecedented water temperature could lead to bleaching this year. Struggling or dead corals in the mass bleaching event in the Florida Keys in 2014.

Nytimes books 2016