Alert archive / Arizona / Blowing Dust Advisories in 2025
Blowing Dust Advisory 13, NWS Tucson, AZ
NWS Tucson, AZ issued this blowing dust advisory at Jul 12, 2025, 1:22 PM MST for 5 counties in Arizona. It took effect at Jul 13, 2025, 2:00 PM MST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jul 12, 2025, 1:22 PM MST (20:22 UTC)
- In effect from
- Jul 13, 2025, 2:00 PM MST
- Expired
- Jul 13, 2025, 8:00 PM MST
- In force
- 6 hr
- Issued by
- NWS Tucson, AZ
Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 58 km from the middle of the area, began a volume at 20:25 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Santa Teresa, NM (KEPZ), launched 12:00Z, 8.4 hours before the alert went out and 343 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 565 J/kg
- Mixed-layer CIN
- -269 J/kg
- Mixed-layer LCL
- 1878 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 400 m²/s²
- 0-3 km storm-relative helicity
- 560 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
What forecasters said that day
The local office's own words before this blowing dust advisory went out, 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 this blowing dust advisory went out at Jul 12, 9:06 AM MST, 4 hours 16 minutes earlier.
Area forecast discussion, Jul 12, 9:06 AM MST, 4 hours 16 minutes before
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Blowing Dust Advisories in Arizona, 2025Every blowing dust advisory in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.