Alert archive / Arizona / Blowing Dust Advisories in 2021
Blowing Dust Advisory 12, NWS Phoenix, AZ
NWS Phoenix, AZ issued this blowing dust advisory at Oct 11, 2021, 8:08 AM MST for 4 counties in Arizona; Imperial County, Riverside County, San Bernardino County, California. It took effect at Oct 11, 2021, 1:00 PM MST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Oct 11, 2021, 8:08 AM MST (15:08 UTC)
- In effect from
- Oct 11, 2021, 1:00 PM MST
- Expired
- Oct 12, 2021, 12:00 AM MST
- In force
- 11 hr
- Issued by
- NWS Phoenix, AZ
Counties La Paz County, AZ, Maricopa County, AZ, Pinal County, AZ, Yuma County, AZ, Imperial County, CA, Riverside County, CA, San Bernardino County, CA
The radar
The Yuma radar (KYUX), 118 km from the middle of the area, began a volume at 15:05 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
San Diego, CA (KNKX), launched 12:00Z, 3.1 hours before the alert went out and 291 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2013 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Oct 11, 4:46 AM MST, 3 hours 22 minutes earlier.
Area forecast discussion, Oct 11, 4:46 AM MST, 3 hours 22 minutes 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 |
|---|---|---|---|---|
| Oct 11, 5:43 AM MST | Freeze Warning | PSR | Gila | 50 hr |
| Oct 11, 3:21 PM MST | Blowing Dust Warning | PSR | La Paz | 7 hr |
| Oct 11, 3:21 PM MST | Blowing Dust Advisory | PSR | La Paz | 9 hr |
Nearby
Blowing Dust Advisories in Arizona, 2021Blowing Dust Advisories in California, 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.