Alert archive / Arizona / Flash Flood Warnings in 2023

Flash Flood Warning 32, NWS Flagstaff, AZ

August 12, 2023Coconino County, Gila County, Arizona

NWS Flagstaff, AZ issued this flash flood warning at Aug 12, 2023, 1:05 PM MST for Coconino County, Gila 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: Aug 12, 2023, 1:05 PM MST (20:05 UTC)
Expired: Aug 12, 2023, 4:00 PM MST
In force: 3 hr
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Coconino County, AZ, Gila County, AZ

The radar

The Flagstaff radar (KFSX), 29 km from the middle of the area, began a volume at 20:08 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 Flagstaff, AZ wrote its last area forecast discussion before this flash flood warning went out at Aug 12, 9:15 AM MST, 3 hours 50 minutes earlier.

Area forecast discussion, Aug 12, 9:15 AM MST, 3 hours 50 minutes before

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In the hours before

Special weather statement, Aug 12, 11:57 AM MST, 1 hour 8 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 Flagstaff, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 11, 5:37 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino, Navajo	6 hr
Aug 11, 6:29 PM MST	Special Weather Statement	FGZ	Coconino	31 min
Aug 11, 6:47 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	28 min
Aug 11, 7:17 PM MST	Special Weather Statement	FGZ		58 min
Aug 11, 7:35 PM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	4 hr
Aug 11, 8:03 PM MST	Severe Thunderstorm Warning	FGZ	Coconino	42 min
Aug 12, 12:14 AM MST	Flash Flood Warning Considerable damage threat	FGZ	Yavapai	8 hr
Aug 12, 1:10 AM MST	Flash Flood Warning Considerable damage threat	FGZ	Yavapai	8 hr
Aug 12, 11:31 AM MST	Flash Flood Warning Considerable damage threat	FGZ	Coconino	4 hr
Aug 12, 11:57 AM MST	Special Weather Statement	FGZ		33 min
Aug 12, 2:07 PM MST	Severe Thunderstorm Warning	FGZ	Coconino, Yavapai	20 min

Nearby

Flash Flood Warnings in Arizona, 2023 Every flash flood warning in 2023

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.