All-time dry air record set at Las Vegas
On Monday, Las Vegas, Nevada reported its driest air in recorded history, when the temperature hit 107°F and the dewpoint reached -22°F at 4:32pm MDT. This gave the city a dewpoint depression of 129 degrees,
and a relative humidity of just 0.6%. The dew point depression is defined as the difference between the air temperature and the dew point temperature. The previous all-time record dew point depression for Las Vegas was 120 degrees set on July 2nd 2007. Not surprisingly, this record dry air is creating dangerous fire conditions, and much of the Southwest U.S. including Las Vegas is under a Red Flag Warning for critical fire conditions today.
Bron: Jeff Masters
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