Alert archive / Louisiana / River Flood Warnings in 2022

River Flood Warning 34, NWS Shreveport, LA

August 23, 2022Webster Parish, Louisiana; Columbia County, Arkansas

NWS Shreveport, LA issued this river flood warning at Aug 23, 2022, 10:29 AM CDT for Webster Parish, Louisiana; Columbia County, Arkansas. It took effect at Aug 24, 2022, 10:25 AM CDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued: Aug 23, 2022, 10:29 AM CDT (15:29 UTC)
In effect from: Aug 24, 2022, 10:25 AM CDT
Expired: Aug 26, 2022, 10:06 AM CDT
In force: 48 hr
Issued by: NWS Shreveport, LA
Area: Storm-based polygon
Flood severity: Minor

Counties Columbia County, AR, Webster Parish, LA

The radar

The Shreveport radar (KSHV), 77 km from the middle of the area, began a volume at 15:32 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 Bayou Dorcheat near Springhill (SPHL1). The gauge peaked at 10.07 ft at Aug 27, 2022, 9:00 AM CDT.

Action stage: 10.5 ft
Minor stage: 11 ft
Moderate stage: 18 ft
Major stage: 21 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07348700, 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 Shreveport, LA wrote its last area forecast discussion before this river flood warning went out at Aug 23, 6:20 AM CDT, 4 hours 9 minutes earlier.

Area forecast discussion, Aug 23, 6:20 AM CDT, 4 hours 9 minutes before

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Hazardous weather outlook, Aug 23, 6:07 AM CDT, 4 hours 22 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 Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 22, 8:44 PM CDT	Areal Flood Advisory	SHV	Nacogdoches, Panola, Rusk	2 hr
Aug 22, 9:34 PM CDT	Areal Flood Advisory	SHV	Panola	116 min
Aug 22, 9:41 PM CDT	Areal Flood Advisory	SHV	Angelina	2 hr
Aug 22, 10:25 PM CDT	Flash Flood Warning	SHV	Angelina, San Augustine	2 hr
Aug 23, 1:40 AM CDT	Areal Flood Advisory	SHV	Sabine, San Augustine, Shelby	3 hr
Aug 22, 11:06 PM CDT	Areal Flood Advisory	SHV	Bossier, Caddo, De Soto	114 min
Aug 22, 11:36 PM CDT	Flash Flood Warning	SHV	Bossier, Caddo, De Soto	3 hr
Aug 23, 9:59 AM CDT	Areal Flood Advisory	SHV	Bienville, Caldwell, Jackson, Lincoln, Natchitoches, Ouachita and 2 more	3 hr
Aug 23, 4:55 PM CDT	Special Weather Statement	SHV	LaSalle	65 min
Aug 23, 5:01 PM CDT	Special Weather Statement	SHV	Winn	44 min

Nearby

River Flood Warnings in Louisiana, 2022 River Flood Warnings in Arkansas, 2022 Every river flood warning in 2022

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.