Alert archive / Kentucky / Areal Flood Warnings in 2021

Areal Flood Warning 8, NWS Louisville, KY

February 28, 202112 counties in Kentucky

NWS Louisville, KY issued this areal flood warning at Feb 28, 2021, 4:20 PM CST for 12 counties in Kentucky. 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
Feb 28, 2021, 4:20 PM CST (22:20 UTC)
Expired
Feb 28, 2021, 10:15 PM CST
In force
6 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Adair County, KY, Allen County, KY, Barren County, KY, Casey County, KY, Clinton County, KY, Cumberland County, KY, Logan County, KY, Metcalfe County, KY, Monroe County, KY, Russell County, KY, Simpson County, KY, Warren County, KY

The radar

The Nashville radar (KOHX), 103 km from the middle of the area, began a volume at 22:22 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

Nashville Metro, TN (KBNA), launched 12:00Z, 10.3 hours before the alert went out and 115 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 480 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
50 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
480 m²/s²
0-3 km storm-relative helicity
488 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this areal flood warning went out at Feb 28, 2:26 PM CST, 1 hour 54 minutes earlier.

Area forecast discussion, Feb 28, 2:26 PM CST, 1 hour 54 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>
Hazardous weather outlook, Feb 28, 2:56 PM CST, 1 hour 24 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>

In the hours before

Local storm report, Feb 28, 1:57 PM CST, 2 hours 23 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>
Local storm report, Feb 28, 2:12 PM CST, 2 hours 8 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>
Special weather statement, Feb 28, 2:23 PM CST, 1 hour 57 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>
Special weather statement, Feb 28, 3:06 PM CST, 1 hour 14 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>
Local storm report, Feb 28, 3:43 PM CST, 37 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>
Local storm report, Feb 28, 3:57 PM CST, 23 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 Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 27, 9:16 PM CSTSpecial Weather StatementLMKClinton44 min
Feb 27, 10:01 PM CSTAreal Flood AdvisoryLMKClinton119 min
Feb 28, 4:20 AM CSTAreal Flood AdvisoryLMKBreckinridge, Bullitt, Hancock, Jefferson, Meade, Ohio and 2 more3 hr
Feb 28, 7:09 AM CSTAreal Flood WarningLMKBullitt, Jefferson, Shelby, Spencer4 hr
Feb 28, 7:30 AM CSTAreal Flood AdvisoryLMKBreckinridge, Hancock, Henry, Meade, Oldham, Trimble4 hr
Feb 28, 8:25 AM CSTAreal Flood WarningLMKFranklin, Harrison, Scott3 hr
Feb 28, 9:27 AM CSTAreal Flood WarningLMKButler, Edmonson, Logan, Simpson, Warren6 hr
Feb 28, 9:31 AM CSTSpecial Weather StatementLMKWarren29 min
Feb 28, 9:33 AM CSTRiver Flood WarningLMKHardin, Nelson5 days
Feb 28, 9:35 AM CSTRiver Flood AdvisoryLMKBullitt25 hr
Feb 28, 9:38 AM CSTSevere Thunderstorm WarningLMKAllen, Logan, Simpson, Warren22 min
Feb 28, 9:41 AM CSTRiver Flood WarningLMKWarren45 hr
Feb 28, 9:43 AM CSTRiver Flood AdvisoryLMKWarren17 hr
Feb 28, 9:48 AM CSTRiver Flood WarningLMKHart4 days
Feb 28, 9:49 AM CSTRiver Flood WarningLMKButler, Warren8 days
Feb 28, 9:51 AM CSTRiver Flood WarningLMKButler, Muhlenberg, Ohio11 days
Feb 28, 9:54 AM CSTRiver Flood WarningLMKOhio21 days
Feb 28, 9:55 AM CSTFlash Flood WarningLMKButler, Logan, Warren8 hr
Feb 28, 9:58 AM CSTRiver Flood WarningLMKFranklin42 hr
Feb 28, 9:59 AM CSTRiver Flood WarningLMKClark, Madison6 days
Feb 28, 10:00 AM CSTRiver Flood WarningLMKGarrard, Jessamine6 days
Feb 28, 10:01 AM CSTRiver Flood WarningLMKGarrard, Jessamine, Mercer6 days
Feb 28, 10:02 AM CSTRiver Flood WarningLMKAnderson, Franklin, Woodford7 days
Feb 28, 10:04 AM CSTRiver Flood WarningLMKCarroll, Henry, Owen8 days
Feb 28, 10:06 AM CSTAreal Flood WarningLMKBreckinridge, Bullitt, Grayson, Hardin, Nelson, Spencer6 hr
Feb 28, 10:06 AM CSTRiver Flood WarningLMKBourbon48 hr
Feb 28, 10:39 AM CSTAreal Flood WarningLMKBarren, Green, Hart, Metcalfe, Taylor6 hr
Feb 28, 10:47 AM CSTRiver Flood WarningLMKNicholas, Robertson21 days
Feb 28, 10:48 AM CSTRiver Flood WarningLMKHarrison26 hr
Feb 28, 10:55 AM CSTAreal Flood WarningLMKBreckinridge, Bullitt, Jefferson, Meade, Oldham, Shelby and 1 more6 hr
Feb 28, 11:20 AM CSTAreal Flood WarningLMKFranklin, Harrison, Scott, Shelby6 hr
Feb 28, 1:15 PM CSTSpecial Weather StatementLMKLogan30 min
Feb 28, 2:23 PM CSTSpecial Weather StatementLMKBarren37 min
Feb 28, 2:43 PM CSTFlash Flood WarningLMKBoyle, Casey, Garrard, Lincoln, Madison6 hr
Feb 28, 2:47 PM CSTFlash Flood WarningLMKBarren, Edmonson, Green, Hart, Larue, Marion and 3 more6 hr
Feb 28, 5:07 PM CSTSpecial Weather StatementLMKRussell38 min
Feb 28, 5:19 PM CSTSpecial Weather StatementLMKHancock41 min
Feb 28, 5:40 PM CSTFlash Flood WarningLMKButler, Logan, Warren4 hr
Feb 28, 1:49 PM CSTRiver Flood AdvisoryLMKHarrison, Washington4 hr
Feb 28, 1:53 PM CSTRiver Flood AdvisoryLMKJefferson, Scott5 hr
Feb 28, 5:49 PM CSTRiver Flood WarningLMKHarrison, Washington14 hr

Nearby

Areal Flood Warnings in Kentucky, 2021Every areal flood warning 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.