A prolonged excessive heat episode affected nearly all of the lower elevations of the Mojave Desert. The episode began in August.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS VEF wrote it up.
A prolonged excessive heat episode affected nearly all of the lower elevations of the Mojave Desert. The episode began in August.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before the first event at Aug 31, 3:01 PM MST, 8 hours 59 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
3 excessive heat. Local standard time, as filed.
Excessive Heat Warning criteria were reached in the Colorado River Valley. The event began in August.
Excessive Heat Warning criteria were reached in the Northwest Deserts of Mohave County. The event began in August.
Excessive Heat Warning criteria were reached in the Lake Mead National Recreation Area. The event began in August.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2019Every state in 2019This day in weather historyWarnings in Arizona, September 2019
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 857134, 857135, 857136.