Alert archive / Texas / Flash Flood Watches in 2017

Flash Flood Watch 8, NWS Shreveport, LA

December 21, 201716 counties in Texas; 5 parishes in Louisiana; 9 counties in Arkansas

NWS Shreveport, LA issued this flash flood watch at Dec 21, 2017, 3:24 PM CST for 16 counties in Texas; 5 parishes in Louisiana; 9 counties in Arkansas. It took effect at Dec 22, 2017, 12:00 AM CST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Dec 21, 2017, 3:24 PM CST (21:24 UTC)
In effect from: Dec 22, 2017, 12:00 AM CST
Expired: Dec 22, 2017, 9:23 PM CST
In force: 21 hr
Issued by: NWS Shreveport, LA
Flood severity: None

All 30 counties

Columbia County, AR, Hempstead County, AR, Howard County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Sevier County, AR, Union County, AR, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, Union Parish, LA, Webster Parish, LA, Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Marion County, TX, Morris County, TX, Panola County, TX, Red River County, TX, Rusk County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX

The radar

The Shreveport radar (KSHV), 70 km from the middle of the area, began a volume at 21:25 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 watch 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 flash flood watch went out at Dec 21, 11:03 AM CST, 4 hours 21 minutes earlier.

Area forecast discussion, Dec 21, 11:03 AM CST, 4 hours 21 minutes before

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Hazardous weather outlook, Dec 21, 12:25 PM CST, 2 hours 59 minutes before

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</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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 21, 4:01 AM CST	Dense Fog Advisory	SHV	Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more	5 hr
Dec 21, 8:20 AM CST	River Flood Warning	SHV	Anderson, Cherokee, Houston, Trinity	3 days

Nearby

Flash Flood Watches in Texas, 2017 Flash Flood Watches in Arkansas, 2017 Flash Flood Watches in Louisiana, 2017 Every flash flood watch in 2017

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.