Alert archive / Arizona / Blowing Dust Advisories in 2018

Blowing Dust Advisory 13, NWS Phoenix, AZ

July 8, 2018Maricopa County, Pinal County, Arizona

NWS Phoenix, AZ issued this blowing dust advisory at Jul 8, 2018, 3:18 AM MST for Maricopa County, Pinal County, Arizona. It took effect at Jul 8, 2018, 2:00 PM MST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 8, 2018, 3:18 AM MST (10:18 UTC)
In effect from: Jul 8, 2018, 2:00 PM MST
Expired: Jul 8, 2018, 8:00 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 10:18 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

Tuscon, AZ (KDMA), launched 00:00Z, 10.3 hours before the alert went out and 143 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 0 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 7, 8:55 PM MST, 6 hours 23 minutes earlier.

Area forecast discussion, Jul 7, 8:55 PM MST, 6 hours 23 minutes before

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In the hours before

Local storm report, Jul 7, 9:59 PM MST, 5 hours 19 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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    </section>
  </main>
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</body>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 5:14 PM MST	Special Weather Statement	PSR	Yuma	46 min
Jul 7, 5:30 PM MST	Dust Storm Warning	PSR	Yuma	90 min
Jul 7, 5:48 PM MST	Dust Storm Advisory	PSR	Maricopa, Pinal	57 min
Jul 7, 6:07 PM MST	Dust Storm Advisory	PSR	Maricopa	38 min
Jul 7, 6:48 PM MST	Dust Storm Advisory	PSR	Maricopa	42 min
Jul 7, 6:52 PM MST	Dust Storm Advisory	PSR	La Paz, Yuma	98 min
Jul 7, 7:19 PM MST	Dust Storm Advisory	PSR	La Paz, Maricopa	56 min
Jul 8, 2:16 PM MST	Areal Flood Advisory	PSR	Gila	116 min
Jul 8, 3:31 PM MST	Special Weather Statement	PSR		44 min
Jul 8, 4:38 PM MST	Special Weather Statement	PSR		37 min
Jul 8, 4:58 PM MST	Special Weather Statement	PSR		32 min

Nearby

Blowing Dust Advisories in Arizona, 2018 Every blowing dust advisory in 2018

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.