Alert archive / Arizona / Flash Flood Warnings in 2024

Flash Flood Warning 26, NWS Phoenix, AZ

July 25, 2024Maricopa County, Arizona

NWS Phoenix, AZ issued this flash flood warning at Jul 25, 2024, 4:20 PM MST for Maricopa County, Arizona. It was in force for 3 hr. 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, 4:20 PM MST (23:20 UTC)
Expired: Jul 25, 2024, 7:00 PM MST
In force: 3 hr
Issued by: NWS Phoenix, AZ
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

County Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 23:20 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.

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jul 25, 2:18 PM MST, 2 hours 2 minutes earlier.

Area forecast discussion, Jul 25, 2:18 PM MST, 2 hours 2 minutes before

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</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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
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In the hours before

Special weather statement, Jul 25, 3:02 PM MST, 1 hour 18 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Jul 25, 4:05 PM MST, 15 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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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, 4:08 PM MST	Severe Thunderstorm Warning	PSR	Gila, Maricopa	52 min
Jul 25, 4:15 PM MST	Severe Thunderstorm Warning	PSR	Maricopa	18 min
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

Flash Flood Warnings in Arizona, 2024 Every flash flood 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; radar from the NEXRAD Level II archive.