Alert archive / Arkansas / Flash Flood Warnings in 2023

Flash Flood Warning 101, NWS Little Rock, AR

August 8, 2023Montgomery County, Pike County, Polk County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Aug 8, 2023, 2:21 AM CDT for Montgomery County, Pike County, Polk County, Arkansas. 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: Aug 8, 2023, 2:21 AM CDT (07:21 UTC)
Expired: Aug 8, 2023, 8:50 AM CDT
In force: 6 hr
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Flood severity: None

Counties Montgomery County, AR, Pike County, AR, Polk County, AR

The radar

The Western Arkansas radar (KSRX), 110 km from the middle of the area, began a volume at 07:24 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 nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 7.4 hours before the alert went out and 213 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2079 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 1793 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 10.5

Open this sounding in Storm Lab

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 Little Rock, AR wrote its last area forecast discussion before this flash flood warning went out at Aug 7, 2:58 PM CDT, 11 hours 23 minutes earlier.

Area forecast discussion, Aug 7, 2:58 PM CDT, 11 hours 23 minutes before

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Hazardous weather outlook, Aug 7, 3:04 PM CDT, 11 hours 17 minutes before

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<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.
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The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 8, 12:57 AM CDT	Severe Thunderstorm Warning	LZK	Polk	63 min
Aug 8, 1:34 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LZK	Montgomery, Pike, Polk	56 min
Aug 8, 1:59 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LZK	Polk	29 min
Aug 8, 2:21 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LZK	Clark, Pike	54 min
Aug 8, 2:29 AM CDT	Special Weather Statement	LZK	Polk	46 min
Aug 8, 2:31 AM CDT	Special Weather Statement	LZK	Pike	44 min
Aug 8, 2:50 AM CDT	Flash Flood Warning	LZK	Clark, Pike	6 hr
Aug 8, 3:15 AM CDT	Special Weather Statement	LZK	Dallas	60 min
Aug 8, 3:45 AM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk, Scott, Yell	45 min
Aug 8, 4:06 AM CDT	Special Weather Statement	LZK	Calhoun, Cleveland	39 min
Aug 8, 4:13 AM CDT	Special Weather Statement	LZK	Hot Spring	32 min
Aug 8, 4:21 AM CDT	Special Weather Statement	LZK	Garland, Montgomery	39 min
Aug 8, 5:03 AM CDT	Special Weather Statement	LZK	Drew	42 min
Aug 8, 6:01 AM CDT	Special Weather Statement	LZK	Scott	44 min
Aug 8, 6:11 AM CDT	Flash Flood Warning	LZK	Montgomery, Polk, Scott	119 min
Aug 8, 6:57 AM CDT	Special Weather Statement	LZK	Bradley, Calhoun, Ouachita	33 min

Nearby

Flash Flood Warnings in Arkansas, 2023 Every flash flood warning in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.