Alert archive / Hawaii / Flash Flood Warnings in 2010

Flash Flood Warning 16, NWS Honolulu, HI

December 20, 2010Honolulu County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Dec 20, 2010, 5:31 AM HST for Honolulu County, Hawaii. It was in force for 2 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: Dec 20, 2010, 5:31 AM HST (15:31 UTC)
Expired: Dec 20, 2010, 7:36 AM HST
In force: 2 hr
Issued by: NWS Honolulu, HI
Area: Storm-based polygon
Flood severity: None

County Honolulu County, HI

The radar

The Molokai radar (PHMO), 88 km from the middle of the area, began a volume at 15:31 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 Honolulu, HI wrote its last area forecast discussion before this flash flood warning went out at Dec 19, 10:44 AM HST, 18 hours 47 minutes earlier.

Area forecast discussion, Dec 19, 10:44 AM HST, 18 hours 47 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 Honolulu, HI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 19, 3:13 PM HST	Flash Flood Warning	HFO	Honolulu	111 min
Dec 19, 5:00 PM HST	Special Marine Warning	HFO		60 min
Dec 19, 6:33 PM HST	Areal Flood Advisory	HFO	Kauai	3 hr
Dec 19, 6:55 PM HST	Areal Flood Advisory	HFO	Kalawao	2 hr
Dec 20, 9:32 AM HST	Small Craft Advisory	HFO		18 hr

Nearby

Flash Flood Warnings in Hawaii, 2010 Every flash flood warning 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.