Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, KY

July 18, 2021Pulaski County, Kentucky

NWS Jackson, KY issued this special weather statement at Jul 18, 2021, 1:59 AM EDT for Pulaski County, Kentucky. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 18, 2021, 1:59 AM EDT (05:59 UTC)
Expired
Jul 18, 2021, 2:45 AM EDT
In force
46 min
Issued by
NWS Jackson, KY

County Pulaski County, KY

The radar

The Jackson,KY radar (KJKL), 118 km from the middle of the area, began a volume at 05:58 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.0 hours before the alert went out and 433 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, Peachtre/Fal Fld, GA at 00:00Z on 2021-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 849 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, Peachtre/Fal Fld, GA at 00:00Z on 2021-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 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
849 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1169 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

<!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>

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 17, 7:40 PM EDT, 6 hours 19 minutes earlier.

Area forecast discussion, Jul 17, 7:40 PM EDT, 6 hours 19 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, Jul 17, 3:27 PM EDT, 10 hours 32 minutes before
Hazardous Weather Outlook
National Weather Service Jackson KY
327 PM EDT Sat Jul 17 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-182230-
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville,
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna,
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee,
Annville, Burnside, Somerset, London, Monticello, Stearns,
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro,
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty,
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright,
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard,
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run,
Elkhorn City, Pikeville, and South Williamson
327 PM EDT Sat Jul 17 2021

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Tonight.

Scattered thunderstorms are expected late this afternoon into this
evening. Some of these storms will produce torrential downpours,
possibly leading to isolated flooding.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

There is a possibility of thunderstorms near and south of the
Mountain Parkway on Sunday. Locally heavy rainfall may result in
isolated instances of flooding.

There is a small potential for thunderstorms Monday, Tuesday, and
Friday this upcoming week.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to forward any reports of flooding
through Sunday.

CMF/HAS

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 17, 8:01 PM EDTFlash Flood WarningJKLPulaski2 hr
Jul 17, 8:35 PM EDTAreal Flood AdvisoryJKLLaurel, Rockcastle3 hr
Jul 17, 9:56 PM EDTAreal Flood AdvisoryJKLClay, Knox, Laurel5 hr
Jul 17, 10:30 PM EDTAreal Flood AdvisoryJKLKnox, Laurel, Whitley3 hr
Jul 17, 10:58 PM EDTAreal Flood AdvisoryJKLClay, Laurel3 hr
Jul 17, 11:18 PM EDTFlash Flood WarningJKLLaurel2 hr
Jul 17, 11:25 PM EDTAreal Flood AdvisoryJKLClay, Leslie2 hr
Jul 18, 2:03 AM EDTAreal Flood AdvisoryJKLPulaski82 min
Jul 18, 2:05 AM EDTSpecial Weather StatementJKLLaurel40 min
Jul 18, 2:20 AM EDTAreal Flood AdvisoryJKLKnox, Laurel, Whitley3 hr
Jul 18, 2:57 AM EDTFlash Flood WarningJKLLaurel, Whitley3 hr
Jul 18, 3:06 PM EDTAreal Flood AdvisoryJKLHarlan, Letcher3 hr
Jul 18, 4:02 PM EDTAreal Flood AdvisoryJKLBell, Harlan, Knox, Whitley2 hr
Jul 18, 4:51 PM EDTAreal Flood AdvisoryJKLMcCreary, Whitley101 min

Nearby

Special Weather Statements in Kentucky, 2021Every special weather statement 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.