Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, KY

July 25, 2021Wolfe County, Kentucky

NWS Jackson, KY issued this special weather statement at Jul 25, 2021, 4:33 PM EDT for Wolfe County, Kentucky. It was in force for 12 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 25, 2021, 4:33 PM EDT (20:33 UTC)
Expired
Jul 25, 2021, 4:45 PM EDT
In force
12 min
Issued by
NWS Jackson, KY

County Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 32 km from the middle of the area, began a volume at 20:37 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 12:00Z, 8.6 hours before the alert went out and 177 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 12:00Z on 2021-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 698 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, Cncnati-Daytn, OH at 12:00Z on 2021-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.193958Sfc1 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
698 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
732 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.6

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 Jul 25, 2:41 PM EDT, 1 hour 52 minutes earlier.

Area forecast discussion, Jul 25, 2:41 PM EDT, 1 hour 52 minutes before
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    <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.
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      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Jul 25, 3:50 AM EDT, 12 hours 43 minutes before
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  <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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In the hours before

Special weather statement, Jul 25, 4:33 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service JACKSON KY
433 PM EDT Sun Jul 25 2021

KYZ106-108-252045-
Morgan-Wolfe-
433 PM EDT Sun Jul 25 2021

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL MORGAN AND NORTH
CENTRAL WOLFE COUNTIES...

At 432 PM EDT, a strong thunderstorm was located over Maytown, or 8
miles northeast of Campton, moving east at 20 mph.

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

Locations impacted include...
Maytown, Toliver, Stoll, Murphyfork, Hazel Green, Valeria and Ezel.

LAT...LON 3790 8339 3778 8340 3782 8353 3784 8353
      3786 8350 3787 8351 3788 8349
TIME...MOT...LOC 2032Z 274DEG 16KT 3785 8347

HAL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 4:50 PM EDTSpecial Weather StatementJKLBreathitt25 min
Jul 25, 5:10 PM EDTSpecial Weather StatementJKLLee20 min
Jul 25, 5:32 PM EDTSpecial Weather StatementJKLBreathitt28 min
Jul 25, 5:47 PM EDTSpecial Weather StatementJKLOwsley13 min
Jul 25, 6:22 PM EDTSpecial Weather StatementJKLClay8 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.