An unprecedented heat wave in the West is on the verge of breaking the record for the hottest March temperature anywhere in the United States: 108 degrees. It’s an alarming signal of how hot the planet is getting and how fast it’s happening.
A weather station near Martinez Lake, Arizona, posted a high temperature of 110 degrees on Thursday afternoon, which some media outlets reported as the record-breaker. But that weather station is a temporary one and not quality controlled for accuracy, according to the National Weather Service.
The Martinez Lake temperature won’t be deemed a new national March heat record unless the National Centers for Environment Information decides to investigate it. CNN has…