Alert archive / Arizona / Dust Storm Warnings in 2026

Dust Storm Warning 2, NWS Phoenix, AZ

July 12, 2026Maricopa County, Pinal County, Arizona

NWS Phoenix, AZ issued this dust storm warning at Jul 12, 2026, 6:29 PM MST for Maricopa County, Pinal County, Arizona. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 12, 2026, 6:29 PM MST (01:29 UTC)
Expired
Jul 12, 2026, 7:15 PM MST
In force
46 min
Issued by
NWS Phoenix, AZ
Area
Storm-based polygon

Counties Maricopa County, AZ, Pinal County, AZ

The radar

The Phoenix radar (KIWA), 29 km from the middle of the area, began a volume at 01:32 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, 1.5 hours before the alert went out and 34 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 2026-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 351 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 2026-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
351 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
2912 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 5:19 PM MSTAreal Flood AdvisoryPSRGila, Maricopa4 hr
Jul 12, 5:32 PM MSTSpecial Weather StatementPSRGila43 min
Jul 12, 6:09 PM MSTSpecial Weather StatementPSRPinal36 min
Jul 12, 6:44 PM MSTSpecial Weather StatementPSR31 min
Jul 12, 6:54 PM MSTSpecial Weather StatementPSRPinal51 min
Jul 12, 7:13 PM MSTDust Storm WarningPSRMaricopa, Pinal92 min
Jul 12, 8:01 PM MSTDust Storm WarningPSRMaricopa59 min
Jul 12, 9:00 PM MSTDust Storm AdvisoryPSRLa Paz, Maricopa, Yuma60 min
Jul 13, 4:11 PM MSTSpecial Weather StatementPSRGila49 min

Nearby

Dust Storm Warnings in Arizona, 2026Every dust storm warning 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.