A strong low pressure system along the California coast brought a very moist southwest flow in the upper-levels across Arizona. As the system lifted to the northeast, it brought solid dynamics and heavy precipitation over northern n for Arizona.
Every event with a place to put it; 2 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 FGZ wrote it up.
A strong low pressure system along the California coast brought a very moist southwest flow in the upper-levels across Arizona. As the system lifted to the northeast, it brought solid dynamics and heavy precipitation over northern n for Arizona. The heaviest rainfall and snowfall was on the upslope areas of the Mogollon Rim in Yavapai and northern Gila counties.
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 Flagstaff, AZ wrote its last area forecast discussion before the first event at Mar 20, 10:34 AM MST, 26 minutes earlier.
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</html>The national radar mosaic for the moment the first event began.
2 heavy snow. Local standard time, as filed.
Snowfall amounts across the Western Mogollon Rim include (in inches): Flagstaff Airport 10.9, Bellemont (NWS Flagstaff) 9.7, and Kachina Village 9.5.
Ten inches of snow fell in Forest Lakes.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2023Every state in 2023This day in weather historyWarnings in Arizona, March 2023
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: 1086330, 1086333.