Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

June 19, 2021Henry County, Jefferson County, Oldham County, Kentucky; Harrison County, Indiana

NWS Louisville, KY issued this special weather statement at Jun 19, 2021, 8:27 AM EDT for Henry County, Jefferson County, Oldham County, Kentucky; Harrison County, Indiana. It was in force for 33 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
Jun 19, 2021, 8:27 AM EDT (12:27 UTC)
Expired
Jun 19, 2021, 9:00 AM EDT
In force
33 min
Issued by
NWS Louisville, KY

Counties Harrison County, IN, Henry County, KY, Jefferson County, KY, Oldham County, KY

The radar

The Louisville radar (KLVX), 71 km from the middle of the area, began a volume at 12:28 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, 0.5 hours before the alert went out and 275 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 2021-06-19Temperature 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 2021-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
50 J/kg
Mixed-layer CIN
-239 J/kg
Mixed-layer LCL
1041 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
-33 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 Louisville, KY wrote its last area forecast discussion before this special weather statement went out at Jun 19, 7:22 AM EDT, 1 hour 5 minutes earlier.

Area forecast discussion, Jun 19, 7:22 AM EDT, 1 hour 5 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, Jun 19, 6:08 AM EDT, 2 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>

In the hours before

Special weather statement, Jun 19, 7:15 AM EDT, 1 hour 12 minutes before
Special Weather Statement
National Weather Service Louisville KY
715 AM EDT Sat Jun 19 2021

INZ076>078-083-084-089>092-191200-
Crawford-Orange-Washington-Floyd-Clark-Perry-Dubois-Scott-Harrison-
715 AM EDT Sat Jun 19 2021

...GUSTY THNUNDERSTORM WINDS WILL AFFECT SOUTHERN INDIANA...

At 714 AM EDT/614 AM CDT/, radar indicated strong thunderstorms were
located along a line extending from near Brownstown to near
Petersburg. Movement was southeast at 40 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Jasper, Scottsburg, Salem, Paoli, English, Carefree Town, Vienna,
Charlestown, Huntingburg and Austin.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3851 8707 3851 8700 3849 8695 3850 8688
      3853 8683 3853 8668 3869 8668 3869 8631
      3877 8628 3878 8620 3878 8614 3876 8594
      3873 8587 3881 8578 3853 8551 3803 8678
      3810 8677 3812 8681 3821 8679 3820 8707
TIME...MOT...LOC 1114Z 331DEG 36KT 3892 8601 3845 8733

RAS
Special weather statement, Jun 19, 7:53 AM EDT, 34 minutes before
Special Weather Statement
National Weather Service Louisville KY
753 AM EDT Sat Jun 19 2021

INZ077>079-092-KYZ032-191230-
Washington-Jefferson-Clark-Scott-Trimble-
753 AM EDT Sat Jun 19 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT JEFFERSON...CLARK...
SCOTT...SOUTHEASTERN WASHINGTON AND NORTHWESTERN TRIMBLE COUNTIES...

At 752 AM EDT, radar indicated strong thunderstorms were located
along a line extending from 9 miles west of Osgood to 9 miles
southeast of Vernon to near Scottsburg to 6 miles southeast of Salem.
Movement was southeast at 40 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Madison, Scottsburg, Salem, Vienna, Charlestown, Austin, Lexington,
Hanover, Blue River and New Pekin.

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in Louisville.

LAT...LON 3869 8520 3874 8527 3874 8533 3873 8533
      3865 8526 3852 8551 3840 8582 3841 8599
      3859 8611 3882 8571 3882 8561 3885 8561
      3885 8557 3888 8557 3888 8554 3891 8553
      3891 8520
TIME...MOT...LOC 1152Z 291DEG 36KT 3909 8546 3888 8550 3863 8571 3853
8603

EBW
Special weather statement, Jun 19, 8:27 AM EDT, 0 minutes before
Special Weather Statement
National Weather Service Louisville KY
827 AM EDT Sat Jun 19 2021

INZ090>092-KYZ028>034-191300-
Floyd-Clark-Harrison-Jefferson-Oldham-Shelby-Bullitt-Henry-Hardin-
Trimble-
827 AM EDT Sat Jun 19 2021

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN
HARRISON...SOUTH CENTRAL CLARK...SOUTHEASTERN FLOYD...OLDHAM...
NORTHWESTERN SHELBY...SOUTHEASTERN TRIMBLE...HENRY...JEFFERSON...
NORTH CENTRAL HARDIN AND NORTHWESTERN BULLITT COUNTIES...

At 827 AM EDT, radar indicated strong thunderstorms were located
along a line extending from near Bedford to Prospect to near Corydon.
Movement was southeast at 30 mph.

Winds in excess of 40 mph are possible with these storms.

Locations impacted include...
Louisville, Jeffersonville, New Albany, Jeffersontown, St. Matthews,
Shively, Shelbyville, Lyndon, La Grange and Middletown.

If outdoors, consider seeking shelter inside a building.

To report severe weather, contact your nearest law enforcement
agency. They can relay your report to the National Weather Service
office in Louisville.

LAT...LON 3858 8521 3860 8508 3856 8506 3856 8501
      3851 8503 3852 8498 3849 8499 3845 8491
      3844 8494 3846 8495 3843 8495 3814 8540
      3815 8542 3794 8599 3800 8600 3799 8603
      3818 8619 3837 8563 3863 8523
TIME...MOT...LOC 1227Z 317DEG 27KT 3858 8522 3833 8560 3814 8617

EBW

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 9:56 PM EDTSevere Thunderstorm WarningLMKHarrison34 min
Jun 18, 10:03 PM EDTSpecial Weather StatementLMKScott27 min
Jun 18, 10:17 PM EDTSpecial Weather StatementLMKNicholas28 min
Jun 18, 11:20 PM EDTSpecial Weather StatementLMKTrimble25 min
Jun 18, 11:27 PM EDTSevere Thunderstorm WarningLMKTrimble33 min
Jun 18, 11:48 PM EDTSpecial Weather StatementLMKHenry, Trimble27 min
Jun 19, 12:22 AM EDTFlash Flood WarningLMKTrimble6 hr
Jun 19, 12:28 AM EDTSpecial Weather StatementLMKHenry, Trimble32 min
Jun 19, 12:48 AM EDTSpecial Weather StatementLMKTrimble27 min
Jun 19, 1:05 AM EDTFlash Flood WarningLMKHenry6 hr
Jun 19, 1:14 AM EDTSpecial Weather StatementLMKHarrison, Scott31 min
Jun 19, 1:46 AM EDTSpecial Weather StatementLMKBourbon, Fayette, Harrison, Scott44 min
Jun 19, 1:51 AM EDTFlash Flood WarningLMKHenry5 hr
Jun 19, 2:28 AM EDTAreal Flood AdvisoryLMKFranklin, Scott3 hr
Jun 19, 7:53 AM EDTSpecial Weather StatementLMKTrimble37 min
Jun 18, 10:29 PM EDTSevere Thunderstorm WarningLMKJefferson, Scott31 min
Jun 18, 10:59 PM EDTSpecial Weather StatementLMKJefferson31 min
Jun 18, 11:39 PM EDTFlash Flood WarningLMKJefferson6 hr
Jun 18, 11:50 PM EDTSpecial Weather StatementLMKOrange, Washington25 min
Jun 19, 12:12 AM EDTSpecial Weather StatementLMKScott33 min
Jun 19, 1:07 AM EDTAreal Flood AdvisoryLMKJefferson3 hr
Jun 19, 7:15 AM EDTSpecial Weather StatementLMKClark, Crawford, Dubois, Orange, Scott, Washington45 min
Jun 19, 11:30 AM EDTSpecial Weather StatementLMKDubois, Orange, Washington45 min
Jun 19, 12:02 PM EDTSpecial Weather StatementLMKHarrison28 min

Nearby

Special Weather Statements in Kentucky, 2021Special Weather Statements in Indiana, 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.