Alert archive / Colorado / Flash Flood Watches in 2019

Flash Flood Watch 1, NWS Denver/Boulder, CO

August 1, 20198 counties in Colorado

NWS Denver/Boulder, CO issued this flash flood watch at Aug 1, 2019, 3:14 AM MDT for 8 counties in Colorado. It took effect at Aug 1, 2019, 4:00 PM MDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Aug 1, 2019, 3:14 AM MDT (09:14 UTC)
In effect from
Aug 1, 2019, 4:00 PM MDT
Expired
Aug 1, 2019, 11:43 PM MDT
In force
8 hr
Issued by
NWS Denver/Boulder, CO
Flood severity
None

Counties Adams County, CO, Arapahoe County, CO, Elbert County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 61 km from the middle of the area, began a volume at 09:16 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 Denver/Boulder, CO wrote its last area forecast discussion before this flash flood watch went out at Aug 1, 3:08 AM MDT, 6 minutes earlier.

Area forecast discussion, Aug 1, 3:08 AM MDT, 6 minutes before
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Hazardous weather outlook, Aug 1, 2:13 AM MDT, 1 hour 1 minute before
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  <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 Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 31, 7:07 PM MDTSpecial Weather StatementBOUMorgan38 min
Jul 31, 7:54 PM MDTSpecial Weather StatementBOUMorgan51 min
Jul 31, 8:29 PM MDTAreal Flood AdvisoryBOUAdams, Morgan2 hr
Aug 1, 1:46 PM MDTSpecial Weather StatementBOUArapahoe29 min
Aug 1, 3:07 PM MDTSpecial Weather StatementBOUAdams38 min
Aug 1, 3:41 PM MDTSevere Thunderstorm WarningBOULogan, Weld34 min
Aug 1, 4:09 PM MDTSpecial Weather StatementBOUElbert36 min
Aug 1, 4:13 PM MDTSevere Thunderstorm WarningBOULogan, Morgan32 min
Aug 1, 4:17 PM MDTSevere Thunderstorm WarningBOUElbert28 min
Aug 1, 4:32 PM MDTSevere Thunderstorm WarningBOULincoln28 min
Aug 1, 4:45 PM MDTSevere Thunderstorm WarningBOULogan30 min
Aug 1, 5:03 PM MDTSpecial Weather StatementBOULincoln27 min
Aug 1, 5:11 PM MDTSevere Thunderstorm WarningBOUElbert, Lincoln34 min
Aug 1, 5:19 PM MDTSevere Thunderstorm WarningBOUWashington26 min
Aug 1, 5:39 PM MDTAreal Flood AdvisoryBOUElbert, Lincoln3 hr
Aug 1, 5:42 PM MDTAreal Flood AdvisoryBOUWashington2 hr

Nearby

Flash Flood Watches in Colorado, 2019Every flash flood watch in 2019

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.