Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Louisville, KY

June 12, 2021Nicholas County, Kentucky

NWS Louisville, KY issued this special weather statement at Jun 12, 2021, 2:09 PM EDT for Nicholas County, Kentucky. It was in force for 36 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 12, 2021, 2:09 PM EDT (18:09 UTC)
Expired
Jun 12, 2021, 2:45 PM EDT
In force
36 min
Issued by
NWS Louisville, KY

County Nicholas County, KY

The radar

The Jackson,KY radar (KJKL), 115 km from the middle of the area, began a volume at 18:10 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, 6.2 hours before the alert went out and 122 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 2021-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 656 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 2021-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
656 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
87 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 Louisville, KY wrote its last area forecast discussion before this special weather statement went out at Jun 12, 1:01 PM EDT, 1 hour 8 minutes earlier.

Area forecast discussion, Jun 12, 1:01 PM EDT, 1 hour 8 minutes before
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Hazardous weather outlook, Jun 12, 3:38 AM EDT, 10 hours 31 minutes before
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<body>
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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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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In the hours before

Special weather statement, Jun 12, 2:09 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Louisville KY
209 PM EDT Sat Jun 12 2021

KYZ037-042-043-121845-
Bourbon-Nicholas-Harrison-
209 PM EDT Sat Jun 12 2021

...A STRONG THUNDERSTORM WILL PRODUCE GUSTY WINDS AND HAIL IN
NORTHERN BOURBON... NORTHWESTERN NICHOLAS AND SOUTHEASTERN HARRISON
COUNTIES...

At 208 PM EDT, a strong thunderstorm was located 7 miles east of
Cynthiana, moving south at 15 mph.

Winds in excess of 40 mph and penny size hail are possible with this
storm.

Locations impacted include...
Millersburg, Shawhan, Barefoot, Ruddels Mills, Morning Glory,
Headquarters, Hooktown and Colville.

LAT...LON 3845 8418 3843 8409 3825 8410 3829 8429
TIME...MOT...LOC 1808Z 009DEG 13KT 3836 8416

RAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 8:13 PM EDTSevere Thunderstorm WarningLMKHart47 min
Jun 11, 8:51 PM EDTSpecial Weather StatementLMKAdair54 min
Jun 11, 8:52 PM EDTSpecial Weather StatementLMKHardin53 min
Jun 11, 9:07 PM EDTSevere Thunderstorm WarningLMKGrayson23 min
Jun 11, 9:17 PM EDTSpecial Weather StatementLMKClinton, Cumberland58 min
Jun 11, 9:32 PM EDTSevere Thunderstorm WarningLMKEdmonson, Grayson28 min
Jun 11, 9:55 PM EDTSevere Thunderstorm WarningLMKEdmonson, Warren35 min
Jun 11, 10:30 PM EDTSpecial Weather StatementLMKAllen, Warren60 min
Jun 12, 3:16 PM EDTSpecial Weather StatementLMKMadison29 min
Jun 12, 3:50 PM EDTAreal Flood AdvisoryLMKClark, Madison3 hr
Jun 12, 3:56 PM EDTSpecial Weather StatementLMKFayette, Garrard, Jessamine, Lincoln, Madison34 min
Jun 12, 4:14 PM EDTSpecial Weather StatementLMKScott46 min
Jun 12, 4:17 PM EDTSevere Thunderstorm WarningLMKGarrard, Lincoln28 min
Jun 12, 4:31 PM EDTSpecial Weather StatementLMKFayette, Franklin, Garrard, Jessamine, Scott, Woodford44 min
Jun 12, 4:44 PM EDTSevere Thunderstorm WarningLMKCasey, Lincoln31 min
Jun 12, 5:11 PM EDTSpecial Weather StatementLMKMercer34 min
Jun 12, 5:15 PM EDTAreal Flood AdvisoryLMKGarrard, Lincoln, Madison3 hr
Jun 12, 5:19 PM EDTSevere Thunderstorm WarningLMKGarrard, Jessamine, Mercer, Woodford26 min
Jun 12, 5:43 PM EDTSevere Thunderstorm WarningLMKBoyle, Mercer32 min
Jun 12, 6:10 PM EDTSevere Thunderstorm WarningLMKBoyle, Casey, Marion23 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.