Alert archive / Kentucky / Freeze Warnings in 2016

Freeze Warning 5, NWS Jackson, KY

April 7, 201619 counties in Kentucky

NWS Jackson, KY issued this freeze warning at Apr 7, 2016, 3:26 PM EDT for 19 counties in Kentucky. It took effect at Apr 8, 2016, 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
Apr 7, 2016, 3:26 PM EDT (19:26 UTC)
In effect from
Apr 8, 2016, 3:00 AM EDT
Expired
Apr 8, 2016, 9:00 AM EDT
In force
6 hr
Issued by
NWS Jackson, KY

Counties Bath County, KY, Breathitt County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Johnson County, KY, Knott County, KY, Lee County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Pike County, KY, Powell County, KY, Rowan County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 22 km from the middle of the area, began a volume at 19:30 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, 7.4 hours before the alert went out and 188 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 2016-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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 2016-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.19395878Sfc1 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
20 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
502 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
75 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 Jackson, KY wrote its last area forecast discussion before this freeze warning went out at Apr 7, 1:35 PM EDT, 1 hour 51 minutes earlier.

Area forecast discussion, Apr 7, 1:35 PM EDT, 1 hour 51 minutes before
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Hazardous weather outlook, Apr 7, 10:31 AM EDT, 4 hours 55 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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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 6, 8:00 PM EDTWind AdvisoryJKLBath, Estill, Fleming, Jackson, Laurel, McCreary and 8 more3 hr
Apr 6, 8:50 PM EDTSpecial Weather StatementJKLLaurel, McCreary, Whitley25 min
Apr 7, 4:25 AM EDTFreeze WatchJKLBath, Elliott, Fleming, Johnson, Menifee, Montgomery and 3 more11 hr
Apr 7, 8:12 AM EDTLake Wind AdvisoryJKLBell, Clay, Harlan, Jackson, Knox, Laurel and 6 more5 hr
Apr 7, 12:47 PM EDTWind AdvisoryJKLBell, Clay, Harlan, Jackson, Knott, Knox and 10 more7 hr
Apr 7, 3:26 PM EDTFreeze WatchJKLBath, Bell, Breathitt, Clay, Elliott, Estill and 27 more13 hr
Apr 7, 7:18 PM EDTSpecial Weather StatementJKLLetcher27 min

Nearby

Freeze Warnings in Kentucky, 2016Every freeze warning in 2016

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.