Alert archive / Colorado / Flash Flood Watches in 2017

Flash Flood Watch 4, NWS Grand Junction, CO

July 22, 20177 counties in Colorado

NWS Grand Junction, CO issued this flash flood watch at Jul 22, 2017, 11:37 AM MDT for 7 counties in Colorado. It took effect at Jul 22, 2017, 12:00 PM MDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jul 22, 2017, 11:37 AM MDT (17:37 UTC)
In effect from: Jul 22, 2017, 12:00 PM MDT
Expired: Jul 22, 2017, 6:10 PM MDT
In force: 6 hr
Issued by: NWS Grand Junction, CO
Flood severity: None

Counties Archuleta County, CO, Dolores County, CO, Hinsdale County, CO, La Plata County, CO, Montezuma County, CO, San Juan County, CO, San Miguel County, CO

The radar

The Grand Junction radar (KGJX), 165 km from the middle of the area, began a volume at 17:39 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Junction, CO wrote its last area forecast discussion before this flash flood watch went out at Jul 22, 5:03 AM MDT, 6 hours 34 minutes earlier.

Area forecast discussion, Jul 22, 5:03 AM MDT, 6 hours 34 minutes before

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Hazardous weather outlook, Jul 22, 3:58 AM MDT, 7 hours 39 minutes before

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  <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.
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      <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 Grand Junction, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 21, 6:00 PM MDT	Special Weather Statement	GJT	Garfield	45 min
Jul 21, 6:07 PM MDT	Areal Flood Advisory	GJT	Mesa	3 hr
Jul 21, 6:08 PM MDT	Areal Flood Advisory	GJT	Garfield	4 hr
Jul 21, 6:34 PM MDT	Special Weather Statement	GJT	Eagle	41 min
Jul 21, 6:38 PM MDT	Areal Flood Advisory	GJT	Garfield	3 hr
Jul 22, 3:45 PM MDT	Special Weather Statement	GJT	La Plata	45 min
Jul 22, 3:54 PM MDT	Special Weather Statement	GJT		51 min
Jul 22, 4:42 PM MDT	Special Weather Statement	GJT	Delta	48 min
Jul 21, 6:09 PM MDT	Special Weather Statement	GJT	Grand	51 min
Jul 21, 6:26 PM MDT	Areal Flood Advisory	GJT	Grand	3 hr
Jul 22, 4:51 PM MDT	Areal Flood Advisory	GJT	San Juan	3 hr
Jul 22, 4:57 PM MDT	Special Weather Statement	GJT	San Juan	48 min

Nearby

Flash Flood Watches in Colorado, 2017 Every flash flood watch in 2017

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.