Alert archive / Kentucky / Special Weather Statements in 2021

Special Weather Statement, NWS Jackson, KY

March 27, 2021Clay County, Laurel County, Kentucky

NWS Jackson, KY issued this special weather statement at Mar 27, 2021, 9:39 AM EDT for Clay County, Laurel County, Kentucky. It was in force for 51 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
Mar 27, 2021, 9:39 AM EDT (13:39 UTC)
Expired
Mar 27, 2021, 10:30 AM EDT
In force
51 min
Issued by
NWS Jackson, KY

Counties Clay County, KY, Laurel County, KY

The radar

The Jackson,KY radar (KJKL), 77 km from the middle of the area, began a volume at 13:38 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, 1.7 hours before the alert went out and 263 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 2021-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2021-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 347 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
347 m²/s²
0-3 km storm-relative helicity
316 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 Jackson, KY wrote its last area forecast discussion before this special weather statement went out at Mar 27, 8:14 AM EDT, 1 hour 25 minutes earlier.

Area forecast discussion, Mar 27, 8:14 AM EDT, 1 hour 25 minutes before
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Hazardous weather outlook, Mar 27, 6:27 AM EDT, 3 hours 12 minutes before
Hazardous Weather Outlook
National Weather Service Jackson KY
627 AM EDT Sat Mar 27 2021

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-281100-
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-
Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-Knott-
Owsley-Perry-Clay-Leslie-Letcher-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville,
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna,
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee,
Annville, Burnside, Somerset, London, Monticello, Stearns,
Whitley City, Corbin, Williamsburg, Barbourville, Middlesboro,
Pineville, Cumberland, Harlan, Sandy Hook, West Liberty,
Paintsville, Campton, Salyersville, Prestonsburg, Wheelwright,
Beattyville, Jackson, Hindman, Pippa Passes, Booneville, Hazard,
Manchester, Hyden, Jenkins, Whitesburg, Inez, Coal Run,
Elkhorn City, Pikeville, and South Williamson
627 AM EDT Sat Mar 27 2021

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Today and Tonight.

Thunderstorms are possible, mainly south of the Mountain Parkway
today, and then area wide tonight. Heavy rainfall is likely in some
areas, leading to a threat of flooding, mainly late tonight. There
is also a small potential for some of the storms to become severe,
especially tonight, with damaging winds and large hail being the
main threats.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Thunderstorms are possible Sunday morning, and could bring heavy
rainfall. Thunderstorms are also possible in some locations
Wednesday into Wednesday night.

Frost is expected early Monday morning, and could be widespread in
some locations. Another cold snap is expected by late next week, as
temperatures could drop into the 20s behind a departing system
Thursday night.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report occurrences of hail, damaging wind,
or flooding through tonight.

HAL/JMW

In the hours before

Special weather statement, Mar 27, 8:36 AM EDT, 1 hour 3 minutes before
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Local storm report, Mar 27, 9:03 AM EDT, 36 minutes before
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Special weather statement, Mar 27, 9:16 AM EDT, 23 minutes before
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Local storm report, Mar 27, 9:38 AM EDT, 1 minute before
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Special weather statement, Mar 27, 9:39 AM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 8:36 AM EDTSpecial Weather StatementJKLMcCreary39 min
Mar 27, 8:43 AM EDTSevere Thunderstorm WarningJKLBell, McCreary, Whitley32 min
Mar 27, 9:16 AM EDTSpecial Weather StatementJKLKnox, Whitley29 min
Mar 27, 9:43 AM EDTSpecial Weather StatementJKLMcCreary, Wayne47 min
Mar 27, 9:59 AM EDTSevere Thunderstorm WarningJKLMcCreary, Wayne, Whitley46 min
Mar 27, 10:33 AM EDTSpecial Weather StatementJKLBell, Knox42 min
Mar 27, 10:58 AM EDTAreal Flood AdvisoryJKLBell, Clay, Harlan, Knox, Leslie, McCreary and 1 more6 hr
Mar 27, 11:01 AM EDTSevere Thunderstorm WarningJKLBell, Harlan, Knox, Whitley44 min
Mar 27, 11:45 AM EDTFlood WatchJKLBell, Clay, Harlan, Knott, Knox, Laurel and 7 more24 hr
Mar 27, 2:37 PM EDTAreal Flood AdvisoryJKLKnox, Laurel, McCreary, Pulaski, Wayne, Whitley6 hr
Mar 27, 7:43 PM EDTSpecial Weather StatementJKLBell47 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.