Alert archive / Kentucky / Areal Flood Advisories in 2021

Areal Flood Advisory 49, NWS Jackson, KY

June 9, 2021Estill County, Powell County, Kentucky

NWS Jackson, KY issued this areal flood advisory at Jun 9, 2021, 10:34 PM EDT for Estill County, Powell County, Kentucky. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Jun 9, 2021, 10:34 PM EDT (02:34 UTC)
Expired: Jun 10, 2021, 12:54 AM EDT
In force: 2 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon

Counties Estill County, KY, Powell County, KY

The radar

The Jackson,KY radar (KJKL), 55 km from the middle of the area, began a volume at 02:34 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.6 hours before the alert went out and 186 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: 10 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 729 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 48 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Jackson, KY wrote its last area forecast discussion before this areal flood advisory went out at Jun 9, 9:35 PM EDT, 59 minutes earlier.

Area forecast discussion, Jun 9, 9:35 PM EDT, 59 minutes before

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Hazardous weather outlook, Jun 9, 9:28 PM EDT, 1 hour 6 minutes before

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In the hours before

Local storm report, Jun 9, 7:29 PM EDT, 3 hours 5 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 Jackson, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 10, 12:39 AM EDT	Areal Flood Advisory	JKL	Bell, Harlan	5 hr
Jun 10, 2:47 PM EDT	Special Weather Statement	JKL	Menifee, Powell	43 min
Jun 10, 2:50 PM EDT	Areal Flood Advisory	JKL	Estill, Powell	3 hr
Jun 10, 3:09 PM EDT	Areal Flood Advisory	JKL	Menifee	3 hr
Jun 10, 3:16 PM EDT	Special Weather Statement	JKL	Menifee, Morgan	44 min
Jun 10, 4:07 PM EDT	Areal Flood Advisory	JKL	Menifee, Morgan	2 hr
Jun 10, 4:18 PM EDT	Areal Flood Advisory	JKL	Bath, Menifee, Montgomery	2 hr
Jun 10, 5:03 PM EDT	Flash Flood Warning	JKL	Elliott, Johnson, Morgan	117 min
Jun 10, 7:23 PM EDT	Areal Flood Advisory	JKL	Jackson, Rockcastle	93 min

Nearby

Areal Flood Advisories in Kentucky, 2021 Every areal flood advisory in 2021

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.