Alert archive / Arizona / Dust Storm Advisories in 2026

Dust Storm Advisory 21, NWS Phoenix, AZ

August 3, 2026Maricopa County, Arizona

NWS Phoenix, AZ issued this dust storm advisory at Aug 3, 2026, 10:19 PM MST for Maricopa County, Arizona. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Aug 3, 2026, 10:19 PM MST (05:19 UTC)
Expired
Aug 3, 2026, 10:45 PM MST
In force
26 min
Issued by
NWS Phoenix, AZ
Area
Storm-based polygon

County Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 05:21 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

Phoenix, AZ (KPSR), launched 00:00Z, 5.3 hours before the alert went out and 49 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.

Skew-T log-pSkew-T log-p diagram, Phoenix, AZ at 00:00Z on 2026-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 119 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phoenix, AZ at 00:00Z on 2026-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
119 J/kg
Mixed-layer CIN
-158 J/kg
Mixed-layer LCL
3631 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 8:48 PM MSTDust Storm WarningPSRPinal57 min
Aug 3, 9:30 PM MSTDust Storm AdvisoryPSRMaricopa, Pinal60 min
Aug 3, 9:37 PM MSTDust Storm AdvisoryPSRMaricopa, Pinal53 min
Aug 3, 10:11 PM MSTDust Storm AdvisoryPSRMaricopa, Pinal34 min
Aug 3, 10:27 PM MSTDust Storm AdvisoryPSRMaricopa63 min
Aug 3, 10:46 PM MSTDust Storm AdvisoryPSRMaricopa59 min
Aug 4, 4:31 PM MSTSevere Thunderstorm WarningPSRGila29 min
Aug 4, 4:57 PM MSTSevere Thunderstorm WarningPSRGila33 min

Nearby

Dust Storm Advisories in Arizona, 2026Every dust storm advisory in 2026

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.