Alert archive / Florida / River Flood Warnings in 2009

River Flood Warning 16, NWS Jacksonville, FL

May 20, 2009Clay County, Florida

NWS Jacksonville, FL issued this river flood warning at May 20, 2009, 11:08 AM EDT for Clay County, Florida. It took effect at May 21, 2009, 12:03 PM EDT. It was in force for 44 hr.

The area

The counties it named.

The facts

Issued: May 20, 2009, 11:08 AM EDT (15:08 UTC)
In effect from: May 21, 2009, 12:03 PM EDT
Expired: May 23, 2009, 8:00 AM EDT
In force: 44 hr
Issued by: NWS Jacksonville, FL
Flood severity: Minor

County Clay County, FL

The radar

The Jacksonville radar (KJAX), 58 km from the middle of the area, began a volume at 15:07 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.

The river

Written for the forecast point North Fork Black Creek near Middleburg (MDLF1). The gauge peaked at 19.29 ft at May 22, 2009, 1:00 AM EDT.

Action stage: 11 ft
Minor stage: 15 ft
Moderate stage: 18 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02246000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this river flood warning went out at May 19, 3:12 PM EDT, 19 hours 56 minutes earlier.

Area forecast discussion, May 19, 3:12 PM EDT, 19 hours 56 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, May 19, 6:36 PM EDT, 16 hours 32 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 Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 20, 8:05 AM EDT	Areal Flood Advisory	JAX	Clay, Duval, Saint Johns	3 hr
May 20, 11:13 AM EDT	Special Weather Statement	JAX	Duval	32 min
May 20, 11:44 AM EDT	Areal Flood Advisory	JAX	Flagler	91 min
May 20, 11:54 AM EDT	Special Weather Statement	JAX	Flagler	66 min
May 20, 12:01 PM EDT	Areal Flood Warning	JAX	Flagler	27 hr
May 20, 12:24 PM EDT	Areal Flood Advisory	JAX	Duval, Nassau	111 min
May 20, 1:49 PM EDT	Areal Flood Advisory	JAX	Duval, Saint Johns	116 min
May 20, 1:50 PM EDT	Areal Flood Advisory	JAX	Nassau	85 min
May 20, 1:54 PM EDT	Areal Flood Advisory	JAX	Clay, Flagler, Putnam, Saint Johns	2 hr
May 20, 2:40 PM EDT	Areal Flood Warning	JAX	Duval, Saint Johns	26 hr
May 20, 2:54 PM EDT	Lake Wind Advisory	JAX	Flagler, Nassau	28 hr
May 20, 3:08 PM EDT	Areal Flood Warning	JAX	Putnam	24 hr
May 20, 3:36 PM EDT	Areal Flood Advisory	JAX	Nassau	114 min
May 20, 4:19 PM EDT	Areal Flood Warning	JAX	Nassau	12 hr
May 20, 5:26 PM EDT	Areal Flood Warning	JAX	Clay	20 hr

Nearby

River Flood Warnings in Florida, 2009 Every river flood warning in 2009

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; the gauge from the NWS water service and the USGS.