Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, KY

May 28, 20217 counties in Kentucky

NWS Jackson, KY issued this special weather statement at May 28, 2021, 9:29 PM EDT for 7 counties in Kentucky. It was in force for 31 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
May 28, 2021, 9:29 PM EDT (01:29 UTC)
Expired
May 28, 2021, 10:00 PM EDT
In force
31 min
Issued by
NWS Jackson, KY

Counties Estill County, KY, Johnson County, KY, Lee County, KY, Magoffin County, KY, Morgan County, KY, Owsley County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 26 km from the middle of the area, began a volume at 01:29 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, 1.5 hours before the alert went out and 185 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, Cncnati-Daytn, OH at 00:00Z on 2021-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 2021-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
610 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 May 28, 7:58 PM EDT, 1 hour 31 minutes earlier.

Area forecast discussion, May 28, 7:58 PM EDT, 1 hour 31 minutes before
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Hazardous weather outlook, May 28, 4:48 PM EDT, 4 hours 41 minutes before
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<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.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, May 28, 4:12 PM EDT, 5 hours 17 minutes before
Special Weather Statement
National Weather Service JACKSON KY
412 PM EDT Fri May 28 2021

KYZ085>087-282045-
Whitley-Knox-Bell-
412 PM EDT Fri May 28 2021

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL BELL...CENTRAL KNOX AND
SOUTHEASTERN WHITLEY COUNTIES...

At 411 PM EDT, a strong thunderstorm was located over Gausdale, or 8
miles southwest of Barbourville, moving east at 35 mph.

Winds in excess of 40 mph are possible with this storm.

Locations impacted include...
Barbourville, Pineville, Artemus, Varilla, Swan Lake, Clate,
Birdseye, Barnyard, Ponza, Gausdale, King, Erose, Louden, Blanche,
Cubage, Rella, Clear Creek Springs, Wasioto, Avis and Siler.

LAT...LON 3683 8408 3696 8361 3696 8359 3694 8355
      3670 8349 3665 8403
TIME...MOT...LOC 2011Z 257DEG 31KT 3677 8396

DJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 8:53 PM EDTSpecial Weather StatementJKLElliott, Estill, Menifee, Morgan, Powell, Wolfe37 min
May 28, 9:58 PM EDTSpecial Weather StatementJKLBreathitt, Johnson, Magoffin, Martin32 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.