A dust devil damaged a residence in Sunsites Arizona in Cochise County.
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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 TWC wrote it up.
A dust devil damaged a residence in Sunsites Arizona in Cochise County.
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 Tucson, AZ wrote its last area forecast discussion before the first event at May 19, 2:45 AM MST, 11 hours 15 minutes earlier.
Area Forecast Discussion National Weather Service Tucson AZ 245 AM MST Tue May 19 2020 .SYNOPSIS...Dry conditions into early next week. Breezy to windy conditions will occur today followed by cooler temperatures on Wednesday as a weather system moves north of the area. Seasonable daytime temperatures will then prevail Thursday through Sunday, then potentially hotter temperatures next Monday. && .DISCUSSION...Satellite imagery this morning showed patchy mid- level clouds moving north across Cochise, Graham and Greenlee counties. An upper level trof extending from western Canada SSW to off the California coast will continue to push east today. This feature will tighten the pressure gradient for breezy to windy conditions later today. Please check fire weather section below for any fire weather concerns. This system will knock down high temperatures today around 2-6 degrees from what occurred Monday. Areas out west will be running 6-8 degrees below normal today. Tonight: Wind diminishing this evening and will cooler air mass moving in, overnight lows will run 3-7 degrees cooler than what will occur this morning. Wednesday: As the above mentioned weather system moves away from the area, the pressure gradient will be relaxing resulting in less wind. Cooler air will be in place with highs 4-10 degrees below May 20th normals. Wednesday night into Thursday morning: With colder air mass in place, most of the area will see their coolest morning in almost a month with lows in the 40s and 50s for the lower elevations, 30s and 40s for the mountains. Isolated spots in the coldest valleys across Cochise county might get down into the upper 30s. May Brrr. Thursday: Temperatures start to rebound but remain below normal. Friday into this weekend: Seasonal high temperatures with moderating low temperatures. Early next week: Upper ridge builds over the area although ensembles differing on how strong the ridge will be. This results in a large spread of high temperature forecasts for Mon/Tue. Outlook for the remainder of next week: Hot && .AVIATION...Valid through 20/12Z. FEW-SCT clouds at 10k-14k ft MSL east of a KALK to KSAD line thru 20/02Z and FEW-SCT clouds AOA 20k ft MSL elsewhere. SKC conditions expected areawide aft 20/02Z. SFC wind generally less than 12 kts thru 19/16Z, then increasing SLY/SWLY SFC wind speeds. SLY/SWLY SFC wind at 15-20 kts, with gusts to around 30 kts between 19/18Z and 20/02Z. Wind speeds decrease this evening, with SFC wind generally less than 12 kts by 20/05Z. Aviation discussion not updated for TAF amendments. && .FIRE WEATHER...Dry conditions are expected the next 7 days across southeast Arizona. Winds will increase late this morning and stay breezy into the early evening hours tonight before diminishing. 20- ft south to southwest winds of 15-20 mph and gusts to around 30 mph are expected. Some isolated spots could briefly reach critical fire weather thresholds this afternoon, although these conditions are not expected to be widespread. Minimum RH values in the valleys will remain in the 6-12 percent range the next 7 days, with 12-20 percent in the mountains. High temperatures will be below normal on Wednesday and then warm back to near normal Thursday through Sunday. 20-foot winds will decrease from Tucson westward Wednesday and Thursday, with elevated winds continuing across eastern areas. Wind speeds will increase areawide again this Saturday. && .TWC WATCHES/WARNINGS/ADVISORIES...None. && Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
The national radar mosaic for the moment the first event began.
1 dust devil. Local standard time, as filed.
A dust devil damaged a corrugated metal awning and a satellite dish that was mounted to the awning at a residence in the community of Sunsites.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2020Every state in 2020This day in weather historyWarnings in Arizona, May 2020
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 2026-09-24. Each event’s entry at NCEI: 895913.