A landspout tornado was spotted near Sahuarita, AZ. The tornado caused no damage or injury.
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The episode as NWS TWC wrote it up.
A landspout tornado was spotted near Sahuarita, AZ. The tornado caused no damage or injury. The time and location of the tornado was estimated by radar. The landspout tornado was left unrated due to the remote location and would be difficult to survey.
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 Sep 16, 1:10 PM MST, 3 hours 15 minutes earlier.
Area Forecast Discussion National Weather Service Tucson AZ 110 PM MST Tue Sep 16 2025 .SYNOPSIS...Moisture has moved into the region which will lead to scattered showers and thunderstorms through the end of the work week with gradually diminishing thunderstorm chances over the weekend. Temperatures near to just below normal into the weekend. && .DISCUSSION...Partly cloudy skies this afternoon across southeast Arizona with isolated to scattered shower and thunderstorm activity now getting underway mainly across Santa Cruz, Cochise, Graham and Greenlee Counties. Moisture levels are above normal for this of year with the 18Z KTWC sounding showing a PWAT of 1.28 inches with PWAT values across the forecast area ranging from about 120 to 140 percent of normal. Modest instability on the 18Z KTWC with MLCAPE around 200-300 J/KG, though this should increase and range from 500- 1000 J/KG from Tucson south and eastward this afternoon. Moisture import will continue over the next few days with help from TS Mario and eventual remnants. Mario is currently located about 465 miles west of the southern tip of Baja California and continues to move NW but is forecast to weaken into a remnant low by tomorrow. For storms this afternoon into evening, individual storms will move slowly towards the north to west with the main concerns being locally heavy rain with isolated flash flooding threat and gusty outflow winds. An active period of weather for mid September will continue over the next few days as additional moisture translates northward into our forecast area, especially the western half where PWATs will be up to around 1.5 to 1.7 inches Wednesday through Friday. These values are up to around 150 to 180 percent of normal. In terms of thunderstorm development, moisture availability will certainly be there. Mid level support broadly looks more favorable Wednesday for thunderstorms compared to today. The HREF is focusing on areas from Tucson westward with locally heavy rain and isolated flash flooding being the main threat. Biggest uncertainty for Wednesday (and beyond) is how much pre-existing cloud cover will limit stronger convective development which would mean precipitation is more showery in nature with just some embedded thunderstorms. By Thursday and Friday, the mid level remnants from Mario will shift into California with mid level west to southwest flow becoming more prevalent. Given the deep moisture in place, any disturbances in this flow pattern will aid in thunderstorm development. Drier air aloft will gradually increase over the weekend as the flow becomes more west to even potentially northwesterly with ridging to our south to southwest. This will result in gradually reduced precipitation chances this weekend with mostly dry conditions by early next week. We should note that the NHC does have a 90% chance of tropical cyclone formation off the coast of southwestern Mexico over the next 5 days but at this time it looks like this system will have little to no impact for us. Temperatures will generally be near to slightly below normal through the weekend, warming up to slightly above normal levels early next week. && .AVIATION...Valid through 18/00Z. SCT-BKN clouds 6k-10k ft AGL through the period with a BKN-OVC layer AOA 20k ft AGL thru the end of the valid period. Scattered TSRA mainly from KTUS south and eastward through 17/04Z. With showers and thunderstorms, expect locally heavy rainfall and erratic winds up to 45 kts. Other than thunderstorm driven winds, SFC winds will be from the east southeast 5-10 kts. Aviation discussion not updated for TAF amendments. && .FIRE WEATHER...Above normal moisture this week leading to min RH 20- 40 percent through the weekend. Expect scattered shower and thunderstorm chances (30-60 pct chance) each day through Friday, then gradually diminishing thunderstorm chances this weekend into early next week. 20-foot winds will be 8-12 mph with some afternoon/early evening gusts to around 20 mph over the next week. with normal diurnal patterns through the weekend. && .TWC WATCHES/WARNINGS/ADVISORIES... None. && GL Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson
Preliminary Local Storm Report
National Weather Service Tucson AZ
238 PM MST Tue Sep 16 2025
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1126 AM Hail 1 NE Benson 31.97N 110.29W
09/12/2025 E1.00 Inch Cochise AZ Public
Delayed report. Relayed via social media.
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AJEThe Tucson radar (KEMX), 27 km away, was scanning. The volume nearest the first event began at 23:26 UTC.
1 tornado. Local standard time, as filed.
Multiple photos and videos of a landspout tornado spotted near Sahuarita, AZ. The tornado caused no damage or injury. The time and location of the tornado was estimated by radar. The landspout tornado was left unrated due to the remote location and would be difficult to survey.
After NWS Directive 10-1605, the rules offices file Storm Data by.
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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: 1295402.