Coconino County officials, Arizona are reporting a 200- to 500-year rainfall event hit Museum Fire Burn Scar in Flagstaff, Arizona on August 17, 2021. At approximately 12:15 MST on August 17 (19:15 UTC, August 16), rain began to fall over the Museum Fire Burn Scar,…
Heavy monsoon downpours affecting Flagstaff, Arizona on July 15, 2021, caused severe flash flooding for the second day in a row, forcing authorities to issue numerous warnings and advisories. A Flash Flood Warning was issued for Yavapai and Coconino counties, Ash…
Two large wildfires are raging in Arizona, U.S., over the past couple of days, forcing hundreds of people to evacuate. The first one, Telegraph Fire, has so far spread through 16 636 ha (41 109 acres) and the other — Mescal Fire, 20 084 ha (49 631 acres) as of…
A massive dust storm impacted travel on the Interstate 10 and 8 near Phoenix, Arizona on August 16, 2020, after the city broke its daily high-temperature record with 46.1 °C (115 °F). The storm approached the city around 17:30 LT, causing low visibility…
Parts of northwest Arizona saw heavy snow on the first day of spring on Thursday, March 19, 2020, with up to 30 cm (12 inches) in parts of the country. The National Weather Service (NWS) said up to 30 cm (12 inches) of snow fell in Flagstaff by 05:00 LT on Thursday,…
A brilliant fireball was seen streaking across the night sky over Arizona at around 04:26 UTC on December 7, 2019. Witnesses said the light appeared green, likely a "shooting star" but more than a quick flash that such phenomenon commonly produces. The…
A severe thunderstorm dumped hailstones up to 4 cm (1.6 inches) in diameter across Phoenix, Arizona, on Thursday, November 21, 2019, leaving a 'snowy scene' in some parts of the desert. While this is a rare event for the region, it's not unprecedented….
Tropical moisture from the remnants of Tropical Cyclone "Raymond" will be transporting northward into the Desert Southwest into the path of a strong closed upper low west of the Baja Peninsula on Tuesday, November 19, 2019. As this frontal system…
Sediment petrologist Patricia Corcoran and several of her students at the University of Western Ontario found that microplastics in the Great Lakes are becoming benthic, as presented on the Geological Study of America Annual Meeting in Phoenix, Arizona, on September…
Remnants of Hurricane "Lorena" brought floods, strong winds, and a very rare tornado to Arizona on September 23, 2019. The tornado hit the city of Willcox late September 23, injuring 2 people, NWS confirmed. The agency rated it as EF-1 with speeds of 145…
