Alert archive / Arizona / Blowing Dust Advisories in 2017
Blowing Dust Advisory 30, NWS Tucson, AZ
NWS Tucson, AZ issued this blowing dust advisory at Sep 7, 2017, 11:17 AM MST for Pima County, Pinal County, Arizona. It took effect at Sep 7, 2017, 2:00 PM MST. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 7, 2017, 11:17 AM MST (18:17 UTC)
- In effect from
- Sep 7, 2017, 2:00 PM MST
- Expired
- Sep 7, 2017, 6:00 PM MST
- In force
- 4 hr
- Issued by
- NWS Tucson, AZ
Counties Pima County, AZ, Pinal County, AZ
The radar
The Phoenix radar (KIWA), 88 km from the middle of the area, began a volume at 18:19 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, 6.3 hours before the alert went out and 110 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
- 128 J/kg
- Mixed-layer CIN
- -385 J/kg
- Mixed-layer LCL
- 2796 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 27 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 Tucson, AZ wrote its last area forecast discussion before this blowing dust advisory went out at Sep 7, 8:55 AM MST, 2 hours 22 minutes earlier.
Area forecast discussion, Sep 7, 8:55 AM MST, 2 hours 22 minutes before
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</html>The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 1:50 PM MST | Special Weather Statement | TWC | Cochise | 40 min |
| Sep 7, 2:07 PM MST | Special Weather Statement | TWC | Pima | 38 min |
| Sep 7, 3:17 PM MST | Severe Thunderstorm Warning | TWC | Pima | 28 min |
Nearby
Blowing Dust Advisories in Arizona, 2017Every blowing dust advisory in 2017
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.