Alert archive / Arizona / Special Weather Statements in 2022

Special Weather Statement, NWS Phoenix, AZ

August 9, 2022La Paz County, Arizona

NWS Phoenix, AZ issued this special weather statement at Aug 9, 2022, 12:08 PM MST for La Paz County, Arizona. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 9, 2022, 12:08 PM MST (19:08 UTC)
Expired
Aug 9, 2022, 1:00 PM MST
In force
52 min
Issued by
NWS Phoenix, AZ
Hail
0.00 in
Wind
40

County La Paz County, AZ

The radar

The Yuma radar (KYUX), 133 km from the middle of the area, began a volume at 19:10 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

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 7.1 hours before the alert went out and 280 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-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 12:00Z on 2022-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 12:00Z on 2022-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
8 J/kg
Mixed-layer CIN
-187 J/kg
Mixed-layer LCL
3301 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 9, 4:46 AM MST, 7 hours 22 minutes earlier.

Area forecast discussion, Aug 9, 4:46 AM MST, 7 hours 22 minutes before
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<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>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, Aug 9, 12:08 PM MST, 0 minutes before
Special Weather Statement
National Weather Service Phoenix AZ
1208 PM MST Tue Aug 9 2022

AZZ530-531-533-092000-
Kofa AZ-Parker Valley AZ-Central La Paz AZ-
1208 PM MST Tue Aug 9 2022

...A strong thunderstorm will impact portions of central La Paz and
north central Yuma Counties through 100 PM MST...

At 1208 PM MST, Doppler radar was tracking a strong thunderstorm over
Kofa Wildlife Refuge, or 41 miles northeast of Martinez Lake, moving
north at 5 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Quartzsite and Kofa Wildlife Refuge.

This includes the following highways...
AZ Interstate 10 between mile markers 8 and 35.
US Highway 60 between mile markers 31 and 35.
AZ Route 95 between mile markers 81 and 130.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3334 11390 3331 11437 3371 11442 3400 11435
      3396 11413 3365 11393
TIME...MOT...LOC 1908Z 175DEG 6KT 3347 11406

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

INS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 5:36 PM MSTSevere Thunderstorm WarningPSRYuma39 min
Aug 8, 5:43 PM MSTSpecial Weather StatementPSR47 min
Aug 8, 6:19 PM MSTSpecial Weather StatementPSRYuma41 min
Aug 8, 6:46 PM MSTSpecial Weather StatementPSRGila44 min
Aug 8, 7:04 PM MSTAreal Flood AdvisoryPSRYuma3 hr
Aug 8, 7:46 PM MSTSpecial Weather StatementPSRGila29 min
Aug 8, 7:50 PM MSTDust Storm AdvisoryPSRLa Paz, Yuma85 min
Aug 9, 12:21 AM MSTSpecial Weather StatementPSR39 min
Aug 9, 12:33 AM MSTAreal Flood AdvisoryPSRPinal3 hr
Aug 9, 12:45 AM MSTDust Storm AdvisoryPSRMaricopa, Pinal45 min
Aug 9, 1:06 AM MSTSpecial Weather StatementPSR39 min
Aug 9, 1:50 AM MSTSpecial Weather StatementPSRMaricopa40 min
Aug 9, 1:56 AM MSTAreal Flood AdvisoryPSRMaricopa3 hr
Aug 9, 2:18 AM MSTFlood WatchPSRGila, La Paz, Maricopa, Pinal, Yuma23 hr
Aug 9, 2:33 AM MSTAreal Flood AdvisoryPSRMaricopa3 hr
Aug 9, 12:46 PM MSTSevere Thunderstorm WarningPSRLa Paz44 min
Aug 9, 1:16 PM MSTFlash Flood Warning Considerable damage threatPSRLa Paz4 hr
Aug 9, 1:30 PM MSTSpecial Weather StatementPSRLa Paz45 min
Aug 9, 2:24 PM MSTSpecial Weather StatementPSR51 min
Aug 9, 3:45 PM MSTSpecial Weather StatementPSR45 min
Aug 8, 5:59 PM MSTSevere Thunderstorm WarningPSRImperial46 min
Aug 8, 6:08 PM MSTFlash Flood Warning Considerable damage threatPSRImperial4 hr
Aug 8, 6:23 PM MSTDust Storm WarningPSRImperial67 min
Aug 8, 6:49 PM MSTDust Storm WarningPSRImperial, Riverside56 min
Aug 8, 6:53 PM MSTSevere Thunderstorm WarningPSRImperial37 min
Aug 8, 7:12 PM MSTFlash Flood Warning Considerable damage threatPSRImperial3 hr
Aug 8, 8:13 PM MSTSpecial Weather StatementPSRImperial47 min
Aug 8, 8:16 PM MSTAreal Flood AdvisoryPSRImperial119 min
Aug 8, 8:30 PM MSTFlash Flood Warning Considerable damage threatPSRImperial4 hr
Aug 8, 9:34 PM MSTFlash Flood Warning Considerable damage threatPSRImperial3 hr
Aug 9, 4:32 PM MSTSpecial Weather StatementPSRImperial43 min
Aug 9, 4:59 PM MSTDust Storm AdvisoryPSRImperial46 min

Nearby

Special Weather Statements in Arizona, 2022Every special weather statement in 2022

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.