Alert archive / California / Flash Flood Watches in 2010

Flash Flood Watch 2, NWS Reno, NV

August 8, 20104 counties in Nevada; 9 counties in California

NWS Reno, NV issued this flash flood watch at Aug 8, 2010, 8:15 AM PDT for 4 counties in Nevada; 9 counties in California. It took effect at Aug 8, 2010, 1:00 PM PDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Aug 8, 2010, 8:15 AM PDT (15:15 UTC)
In effect from: Aug 8, 2010, 1:00 PM PDT
Expired: Aug 8, 2010, 9:00 PM PDT
In force: 8 hr
Issued by: NWS Reno, NV
Flood severity: None

Counties Alpine County, CA, El Dorado County, CA, Lassen County, CA, Modoc County, CA, Mono County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Douglas County, NV, Lyon County, NV, Storey County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 62 km from the middle of the area, began a volume at 15:17 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 Reno, NV wrote its last area forecast discussion before this flash flood watch went out at Aug 8, 2:35 AM PDT, 5 hours 40 minutes earlier.

Area forecast discussion, Aug 8, 2:35 AM PDT, 5 hours 40 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>

Hazardous weather outlook, Aug 8, 2:47 AM PDT, 5 hours 28 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 Reno, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 7, 5:21 PM PDT	Special Weather Statement	REV		39 min
Aug 7, 5:33 PM PDT	Special Weather Statement	REV		57 min
Aug 7, 6:02 PM PDT	Special Weather Statement	REV		58 min
Aug 7, 6:08 PM PDT	Special Weather Statement	REV	Washoe	52 min
Aug 7, 6:42 PM PDT	Special Weather Statement	REV		48 min
Aug 7, 7:19 PM PDT	Special Weather Statement	REV	Washoe	41 min
Aug 7, 7:29 PM PDT	Special Weather Statement	REV		46 min
Aug 8, 3:13 PM PDT	Special Weather Statement	REV	Douglas, Lyon, Storey	107 min
Aug 8, 4:34 PM PDT	Areal Flood Advisory	REV	Washoe	54 min
Aug 8, 4:39 PM PDT	Special Weather Statement	REV		51 min
Aug 7, 5:00 PM PDT	Flash Flood Warning	REV	Alpine, Mono	109 min
Aug 7, 5:30 PM PDT	Special Weather Statement	REV	Alpine	60 min
Aug 7, 5:31 PM PDT	Special Weather Statement	REV	Sierra	29 min
Aug 7, 6:49 PM PDT	Special Weather Statement	REV	Lassen	41 min
Aug 7, 7:12 PM PDT	Severe Thunderstorm Warning	REV	Lassen	33 min
Aug 7, 7:45 PM PDT	Severe Thunderstorm Warning	REV	Lassen	45 min
Aug 8, 2:33 PM PDT	Special Weather Statement	REV	Sierra	57 min
Aug 8, 3:34 PM PDT	Severe Thunderstorm Warning	REV	Alpine, El Dorado	41 min
Aug 8, 3:37 PM PDT	Severe Thunderstorm Warning	REV	Lassen, Plumas	38 min
Aug 8, 3:56 PM PDT	Flash Flood Warning	REV	Alpine, El Dorado	3 hr

Nearby

Flash Flood Watches in California, 2010 Flash Flood Watches in Nevada, 2010 Every flash flood watch in 2010

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.