Alert archive / Kentucky / Freeze Warnings in 2018

Freeze Warning 14, NWS Wilmington, OH

October 20, 20185 counties in Ohio; 12 counties in Kentucky; 4 counties in Indiana

NWS Wilmington, OH issued this freeze warning at Oct 20, 2018, 3:13 PM EDT for 5 counties in Ohio; 12 counties in Kentucky; 4 counties in Indiana. It took effect at Oct 21, 2018, 3:00 AM EDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 20, 2018, 3:13 PM EDT (19:13 UTC)
In effect from
Oct 21, 2018, 3:00 AM EDT
Expired
Oct 21, 2018, 9:00 AM EDT
In force
6 hr
Issued by
NWS Wilmington, OH
All 21 counties

Dearborn County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Lewis County, KY, Mason County, KY, Owen County, KY, Pendleton County, KY, Robertson County, KY, Adams County, OH, Brown County, OH, Clermont County, OH, Hamilton County, OH, Scioto County, OH

The radar

The Cincinnati radar (KILN), 82 km from the middle of the area, began a volume at 19:13 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, 7.2 hours before the alert went out and 358 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 2018-10-20Temperature 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, Nashville Metro, TN at 12:00Z on 2018-10-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -79 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
514 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-79 m²/s²
0-3 km storm-relative helicity
-63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this freeze warning went out at Oct 20, 3:06 PM EDT, 7 minutes earlier.

Area forecast discussion, Oct 20, 3:06 PM EDT, 7 minutes before
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Hazardous weather outlook, Oct 20, 9:04 AM EDT, 6 hours 9 minutes before
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      <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, Oct 20, 2:09 PM EDT, 1 hour 4 minutes before
Special Weather Statement
National Weather Service Wilmington OH
209 PM EDT Sat Oct 20 2018

KYZ100-OHZ081-082-088-210200-
Lewis-Adams-Pike-Scioto-
Including the cities of Vanceburg, Tollesboro, West Union,
Peebles, Waverly, Piketon, Portsmouth, and Wheelersburg
209 PM EDT Sat Oct 20 2018

...GUSTY WINDS THIS EVENING...

Wind gusts out of the northwest up to 40 or 45 mph are possible
between 6 PM and midnight in the lower Scioto Valley of
south-central Ohio, as well as adjacent areas of northeast
Kentucky. These winds may cause minor tree damage and isolated
power outages. Secure loose outdoor objects. Drivers of high-
profile vehicles or trailers should exercise caution.

Binau

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 20, 4:01 AM EDTWind AdvisoryILNAdams, Auglaize, Brown, Butler, Champaign, Clark and 26 more20 hr

Nearby

Freeze Warnings in Kentucky, 2018Freeze Warnings in Ohio, 2018Freeze Warnings in Indiana, 2018Every freeze warning in 2018

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.