Alert archive / North Carolina / River Flood Warnings in 2009

River Flood Warning 14, NWS Raleigh, NC

November 12, 2009Alamance County, North Carolina

NWS Raleigh, NC issued this river flood warning at Nov 12, 2009, 3:21 AM EST for Alamance County, North Carolina. It took effect at Nov 12, 2009, 5:06 AM EST. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Nov 12, 2009, 3:21 AM EST (08:21 UTC)
In effect from
Nov 12, 2009, 5:06 AM EST
Expired
Nov 14, 2009, 4:40 AM EST
In force
48 hr
Issued by
NWS Raleigh, NC
Flood severity
Minor

County Alamance County, NC

The radar

The Raleigh/Durham radar (KRAX), 92 km from the middle of the area, began a volume at 08:21 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 Haw River at Haw River (HAWN7). The gauge peaked at 20.83 ft at Nov 13, 2009, 1:00 PM EST.

actionminormoderate102011/1211/1311/1411/15
Action stage
16 ft
Minor stage
18 ft
Moderate stage
23 ft
Major stage
27 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02096500, 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 Raleigh, NC wrote its last area forecast discussion before this river flood warning went out at Nov 12, 12:52 AM EST, 2 hours 29 minutes earlier.

Area forecast discussion, Nov 12, 12:52 AM EST, 2 hours 29 minutes before
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Hazardous weather outlook, Nov 11, 10:29 PM EST, 4 hours 52 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 Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 11, 7:26 PM ESTRiver Flood WarningRAHChatham57 hr
Nov 12, 5:40 AM ESTAreal Flood AdvisoryRAHDavidson, Forsyth, Guilford25 min
Nov 12, 6:00 AM ESTFlash Flood WarningRAHDavidson, Forsyth, Guilford, Randolph3 hr
Nov 12, 8:32 AM ESTAreal Flood AdvisoryRAHEdgecombe, Halifax, Nash, Warren, Wilson6 hr
Nov 12, 9:04 AM ESTFlash Flood WarningRAHDavidson, Forsyth, Guilford, Randolph4 hr
Nov 12, 9:51 AM ESTFlash Flood WarningRAHEdgecombe, Franklin, Halifax, Nash, Warren4 hr
Nov 12, 1:08 PM ESTAreal Flood AdvisoryRAHGuilford6 hr
Nov 12, 1:51 PM ESTFlash Flood WarningRAHHalifax3 hr

Nearby

River Flood Warnings in North Carolina, 2009Every 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.