Alert archive / Hawaii / Flash Flood Warnings in 2026

Flash Flood Warning 32, NWS Honolulu, HI

April 7, 2026Hawaii County, Hawaii

NWS Honolulu, HI issued this flash flood warning at Apr 7, 2026, 11:09 PM HST for Hawaii County, Hawaii. It was in force for 6 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: Apr 7, 2026, 11:09 PM HST (09:09 UTC)
Expired: Apr 8, 2026, 4:52 AM HST
In force: 6 hr
Issued by: NWS Honolulu, HI
Area: Storm-based polygon
Flood severity: None

County Hawaii County, HI

The radar

The South Shore radar (PHWA), 57 km from the middle of the area, began a volume at 09:08 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 Honolulu, HI wrote its last area forecast discussion before this flash flood warning went out at Apr 7, 8:46 PM HST, 2 hours 23 minutes earlier.

Area forecast discussion, Apr 7, 8:46 PM HST, 2 hours 23 minutes before

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In the hours before

Local storm report, Apr 7, 9:56 PM HST, 1 hour 13 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
Apr 7, 2:55 PM HST	Areal Flood Advisory	HFO	Honolulu	3 hr
Apr 7, 5:06 PM HST	Areal Flood Advisory	HFO	Hawaii	6 hr
Apr 7, 6:14 PM HST	Areal Flood Advisory	HFO	Kalawao	43 min
Apr 7, 6:57 PM HST	Flash Flood Warning	HFO	Kalawao	5 hr
Apr 7, 7:40 PM HST	High Surf Advisory	HFO	Hawaii, Honolulu, Kauai, Kalawao	56 hr
Apr 8, 1:31 AM HST	Areal Flood Advisory	HFO	Kalawao	6 hr
Apr 8, 2:27 AM HST	Special Marine Warning	HFO		2 hr
Apr 8, 3:15 AM HST	Winter Weather Advisory	HFO	Hawaii	72 hr
Apr 8, 3:37 AM HST	Gale Watch	HFO		36 hr
Apr 8, 3:37 AM HST	Small Craft Advisory	HFO		60 hr
Apr 8, 4:18 AM HST	Special Marine Warning	HFO		117 min
Apr 8, 6:12 AM HST	Special Marine Warning	HFO		2 hr
Apr 8, 7:05 AM HST	High Wind Watch	HFO	Honolulu, Kauai	20 hr
Apr 8, 8:10 AM HST	Special Marine Warning	HFO		2 hr
Apr 8, 9:11 AM HST	Flash Flood Warning	HFO	Hawaii	107 min
Apr 8, 9:37 AM HST	Areal Flood Advisory	HFO	Kalawao	100 min
Apr 8, 10:09 AM HST	Special Marine Warning	HFO		108 min
Apr 8, 1:28 PM HST	Wind Advisory	HFO	Hawaii, Honolulu	62 hr

Nearby

Flash Flood Warnings in Hawaii, 2026 Every flash flood warning in 2026

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.