Alert archive / Arizona / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 4, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 12, 2026, 4:55 PM MST for Gila County, Maricopa County, Pinal County, Arizona. It was in force for 35 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, 4:55 PM MST (23:55 UTC)
- Expired
- Jul 12, 2026, 5:30 PM MST
- In force
- 35 min
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Gila County, AZ, Maricopa County, AZ, Pinal County, AZ
The radar
The Phoenix radar (KIWA), 13 km from the middle of the area, began a volume at 23:56 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 12, 3:03 PM MST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phoenix, AZ (KPSR), launched 12:00Z, 11.9 hours before the alert went out and 40 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
- 682 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1861 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 5:01 PM MST | Special Weather Statement | PSR | Gila | 29 min |
| Jul 11, 7:33 PM MST | Dust Storm Warning | PSR | Maricopa, Pinal | 57 min |
| Jul 11, 9:05 PM MST | Dust Storm Advisory | PSR | Maricopa, Pinal | 40 min |
| Jul 12, 7:56 AM MST | Blowing Dust Advisory | PSR | Maricopa, Pinal | 13 hr |
| Jul 12, 3:30 PM MST | Special Weather Statement | PSR | 3 hr | |
| Jul 12, 3:55 PM MST | Special Weather Statement | PSR | Gila | 50 min |
| Jul 12, 4:26 PM MST | Special Weather Statement | PSR | Pinal | 49 min |
| Jul 12, 4:51 PM MST | Special Weather Statement | PSR | 24 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2026Every severe thunderstorm 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.