Alert archive / Kentucky / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 173, NWS Louisville, KY

July 3, 2019Logan County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 3, 2019, 1:18 PM CDT for Logan County, Kentucky. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 3, 2019, 1:18 PM CDT (18:18 UTC)
Expired
Jul 3, 2019, 1:45 PM CDT
In force
27 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Logan County, KY

The radar

The Ft Campbell radar (KHPX), 39 km from the middle of the area, began a volume at 18:20 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, 6.3 hours before the alert went out and 85 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 2019-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1129 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 2019-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
1129 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
1001 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 3, 12:38 PM CDT, 40 minutes earlier.

Area forecast discussion, Jul 3, 12:38 PM CDT, 40 minutes before
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Hazardous weather outlook, Jul 3, 2:48 AM CDT, 10 hours 30 minutes before
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In the hours before

Special weather statement, Jul 3, 12:55 PM CDT, 23 minutes before
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Special weather statement, Jul 3, 1:06 PM CDT, 12 minutes before
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  <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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        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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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 7:07 PM CDTSpecial Weather StatementLMKHancock23 min
Jul 2, 7:11 PM CDTSpecial Weather StatementLMKLogan34 min
Jul 2, 7:18 PM CDTSpecial Weather StatementLMKSpencer27 min
Jul 2, 7:20 PM CDTSpecial Weather StatementLMKNelson25 min
Jul 2, 7:32 PM CDTSpecial Weather StatementLMKJefferson28 min
Jul 2, 7:34 PM CDTSpecial Weather StatementLMKNelson26 min
Jul 2, 7:43 PM CDTSpecial Weather StatementLMKShelby17 min
Jul 2, 7:54 PM CDTSpecial Weather StatementLMKShelby36 min
Jul 2, 7:59 PM CDTSevere Thunderstorm WarningLMKShelby31 min
Jul 2, 8:02 PM CDTSpecial Weather StatementLMKBullitt, Jefferson, Nelson28 min
Jul 2, 8:24 PM CDTSpecial Weather StatementLMKAllen36 min
Jul 2, 8:27 PM CDTSpecial Weather StatementLMKSpencer33 min
Jul 2, 8:30 PM CDTSpecial Weather StatementLMKShelby30 min
Jul 2, 8:53 PM CDTSevere Thunderstorm WarningLMKShelby37 min
Jul 2, 8:57 PM CDTAreal Flood AdvisoryLMKShelby, Spencer3 hr
Jul 3, 1:06 PM CDTSpecial Weather StatementLMKNicholas24 min
Jul 3, 1:31 PM CDTSpecial Weather StatementLMKHancock29 min
Jul 3, 1:32 PM CDTSpecial Weather StatementLMKMeade28 min
Jul 3, 1:42 PM CDTSpecial Weather StatementLMKSimpson33 min
Jul 3, 2:09 PM CDTSpecial Weather StatementLMKOldham36 min
Jul 3, 2:16 PM CDTSevere Thunderstorm WarningLMKWarren29 min
Jul 3, 2:18 PM CDTSpecial Weather StatementLMKSimpson27 min
Jul 3, 2:33 PM CDTFlash Flood WarningLMKBourbon, Harrison3 hr
Jul 3, 2:41 PM CDTSpecial Weather StatementLMKAllen34 min
Jul 3, 2:46 PM CDTSpecial Weather StatementLMKOhio29 min
Jul 3, 2:55 PM CDTSpecial Weather StatementLMKOhio35 min
Jul 3, 2:56 PM CDTSpecial Weather StatementLMKAllen, Barren34 min
Jul 3, 2:59 PM CDTSevere Thunderstorm WarningLMKOhio31 min
Jul 3, 3:00 PM CDTSpecial Weather StatementLMKBourbon45 min
Jul 3, 3:22 PM CDTAreal Flood AdvisoryLMKBreckinridge, Grayson, Ohio3 hr
Jul 3, 3:22 PM CDTSpecial Weather StatementLMKMonroe38 min
Jul 3, 3:31 PM CDTSpecial Weather StatementLMKGrayson29 min
Jul 3, 3:51 PM CDTSpecial Weather StatementLMKClark, Fayette, Jessamine24 min
Jul 3, 4:13 PM CDTAreal Flood AdvisoryLMKFayette, Scott3 hr
Jul 3, 5:17 PM CDTSpecial Weather StatementLMKGarrard, Jessamine28 min
Jul 3, 5:26 PM CDTSevere Thunderstorm WarningLMKFayette, Garrard, Jessamine34 min
Jul 3, 5:32 PM CDTAreal Flood AdvisoryLMKClark118 min
Jul 3, 5:49 PM CDTSevere Thunderstorm WarningLMKGarrard, Madison26 min
Jul 3, 6:00 PM CDTAreal Flood AdvisoryLMKBoyle, Garrard, Jessamine3 hr
Jul 3, 6:09 PM CDTRiver Flood AdvisoryLMKBourbon13 hr
Jul 3, 6:10 PM CDTSevere Thunderstorm WarningLMKMadison39 min
Jul 3, 12:55 PM CDTSpecial Weather StatementLMKHarrison35 min
Jul 3, 1:25 PM CDTSpecial Weather StatementLMKHarrison35 min
Jul 3, 1:36 PM CDTSpecial Weather StatementLMKClark24 min
Jul 3, 1:46 PM CDTSpecial Weather StatementLMKScott29 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2019Every severe thunderstorm warning in 2019

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.