Alert archive / Arizona / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 59, NWS Phoenix, AZ

July 25, 2024Gila County, Maricopa County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 25, 2024, 4:08 PM MST for Gila County, Maricopa 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 counties it named.

The facts

Issued: Jul 25, 2024, 4:08 PM MST (23:08 UTC)
Expired: Jul 25, 2024, 5:00 PM MST
In force: 52 min
Issued by: NWS Phoenix, AZ
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Gila County, AZ, Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 32 km from the middle of the area, began a volume at 23:10 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

Tuscon, AZ (KTUS), launched 12:00Z, 11.1 hours before the alert went out and 171 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: 98 J/kg
Mixed-layer CIN: -304 J/kg
Mixed-layer LCL: 2530 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 98 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 severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 25, 2:18 PM MST, 1 hour 50 minutes earlier.

Area forecast discussion, Jul 25, 2:18 PM MST, 1 hour 50 minutes before

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In the hours before

Special weather statement, Jul 25, 3:02 PM MST, 1 hour 6 minutes before

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<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>
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      <p id="message2">
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Special weather statement, Jul 25, 4:05 PM MST, 3 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>
      <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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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 5:27 PM MST	Special Weather Statement	PSR		63 min
Jul 24, 5:31 PM MST	Severe Thunderstorm Warning	PSR	Gila	44 min
Jul 24, 5:38 PM MST	Areal Flood Advisory	PSR	Gila, Maricopa	3 hr
Jul 24, 6:30 PM MST	Special Weather Statement	PSR	Pinal	30 min
Jul 24, 6:44 PM MST	Severe Thunderstorm Warning	PSR	Pinal	31 min
Jul 24, 6:59 PM MST	Special Weather Statement	PSR	Maricopa	31 min
Jul 24, 7:36 PM MST	Special Weather Statement	PSR	Pinal	39 min
Jul 24, 7:41 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	21 min
Jul 24, 7:57 PM MST	Special Weather Statement	PSR	Maricopa	33 min
Jul 24, 7:59 PM MST	Special Weather Statement	PSR	Pinal	31 min
Jul 24, 8:08 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	52 min
Jul 24, 8:20 PM MST	Severe Thunderstorm Warning	PSR	Pinal	40 min
Jul 24, 8:27 PM MST	Dust Storm Warning	PSR	Maricopa, Pinal	63 min
Jul 24, 8:52 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	38 min
Jul 24, 9:03 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	26 min
Jul 24, 9:17 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	43 min
Jul 24, 9:27 PM MST	Severe Thunderstorm Warning	PSR	Maricopa, Pinal	48 min
Jul 24, 9:47 PM MST	Areal Flood Advisory	PSR	Maricopa, Pinal	3 hr
Jul 24, 9:49 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	41 min
Jul 24, 9:59 PM MST	Special Weather Statement	PSR	Maricopa	61 min
Jul 24, 10:25 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	35 min
Jul 24, 10:37 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	38 min
Jul 24, 11:09 PM MST	Areal Flood Advisory	PSR	Maricopa	3 hr
Jul 24, 11:14 PM MST	Special Weather Statement	PSR	Maricopa	46 min
Jul 25, 3:02 PM MST	Special Weather Statement	PSR	Gila	118 min
Jul 25, 3:25 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	50 min
Jul 25, 3:43 PM MST	Areal Flood Advisory	PSR	Gila	64 min
Jul 25, 4:00 PM MST	Areal Flood Advisory	PSR	Maricopa	20 min
Jul 25, 4:05 PM MST	Special Weather Statement	PSR		40 min
Jul 25, 4:15 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	18 min
Jul 25, 4:20 PM MST	Flash Flood Warning Considerable damage threat	PSR	Maricopa	3 hr
Jul 25, 4:29 PM MST	Special Weather Statement	PSR		46 min
Jul 25, 4:42 PM MST	Flash Flood Warning Considerable damage threat	PSR	Gila, Maricopa, Pinal	3 hr
Jul 25, 4:54 PM MST	Severe Thunderstorm Warning	PSR	Gila, Maricopa	51 min
Jul 25, 4:58 PM MST	Areal Flood Advisory	PSR	Gila	3 hr

Nearby

Severe Thunderstorm Warnings in Arizona, 2024 Every severe thunderstorm warning in 2024

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.