Thus once again this year, large fires burned across many parts of the state. Even larger fuels at higher elevations were ripe for burning this year with the prolonged drought reaching into the Extreme and Exceptional category.
Fine fuels at lower elevations were still evident from the past 2 wetter winter seasons resulting in ample fuel for the spring fire season. April 2021 ended up the 5th hottest on record in Phoenix while June 2021 was the hottest June ever recorded in Phoenix. The dry regime continues into spring 2021, however temperatures warmed beyond the usual thresholds this year. This pattern reinforced the dry regime, but allowed relatively moderate temperatures Although one relatively wet system impacted the region in January, the bulk of the winter was characterized by disturbances passing north of the area and intensifying in eastern parts of the United States. The year 2021 started with a moderate La Nina pattern and the typical drier than normal conditions across the region.
Records in Yuma began in 18 in El Centro. The year 2021 ended up being tied for the 10th warmest year recorded in the history of Phoenix, Arizona, 8th warmest at El Centro, CA, and tied for 8th warmest in Yuma. Records for Phoenix began in 1896, first taken in downtown and since moved to Sky Harbor airport in the 1950s.
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