Alert archive / Arizona / Blowing Dust Advisories in 2021
Blowing Dust Advisory 10, NWS Phoenix, AZ
NWS Phoenix, AZ issued this blowing dust advisory at Jul 12, 2021, 2:01 PM MST for Maricopa County, Pinal County, Arizona. It took effect at Jul 12, 2021, 5:00 PM MST. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jul 12, 2021, 2:01 PM MST (21:01 UTC)
- In effect from
- Jul 12, 2021, 5:00 PM MST
- Expired
- Jul 12, 2021, 11:00 PM MST
- In force
- 6 hr
- Issued by
- NWS Phoenix, AZ
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 21:02 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 12:00Z, 9.0 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.
- Mixed-layer CAPE
- 280 J/kg
- Mixed-layer CIN
- -525 J/kg
- Mixed-layer LCL
- 2475 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 Phoenix, AZ wrote its last area forecast discussion before this blowing dust advisory went out at Jul 12, 2:00 PM MST, 1 minute earlier.
Area forecast discussion, Jul 12, 2:00 PM MST, 1 minute before
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</html>The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 1:34 PM MST | Flash Flood Watch | PSR | Gila, La Paz, Maricopa, Pinal | 45 hr |
Nearby
Blowing Dust Advisories in Arizona, 2021Every blowing dust advisory in 2021
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.