Alert archive / Kentucky / Special Weather Statements in 2016

Special Weather Statement, NWS Jackson, KY

April 6, 2016Laurel County, McCreary County, Whitley County, Kentucky

NWS Jackson, KY issued this special weather statement at Apr 6, 2016, 8:50 PM EDT for Laurel County, McCreary County, Whitley County, Kentucky. It was in force for 25 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: Apr 6, 2016, 8:50 PM EDT (00:50 UTC)
Expired: Apr 6, 2016, 9:15 PM EDT
In force: 25 min
Issued by: NWS Jackson, KY

Counties Laurel County, KY, McCreary County, KY, Whitley County, KY

The radar

The Knoxville radar (KMRX), 114 km from the middle of the area, began a volume at 00:51 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 00:00Z, 0.8 hours before the alert went out and 217 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 903 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 92 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 Apr 6, 8:50 PM EDT, 0 minutes earlier.

Area forecast discussion, Apr 6, 8:50 PM EDT, 0 minutes before

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Hazardous weather outlook, Apr 6, 8:20 PM EDT, 30 minutes before

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In the hours before

Special weather statement, Apr 6, 3:10 PM EDT, 5 hours 40 minutes before

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Local storm report, Apr 6, 8:26 PM EDT, 24 minutes before

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Special weather statement, Apr 6, 8:50 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:00 PM EDT	Wind Advisory	JKL	Bath, Estill, Fleming, Jackson, Laurel, McCreary and 8 more	3 hr
Apr 7, 4:25 AM EDT	Freeze Watch	JKL	Bath, Elliott, Fleming, Johnson, Menifee, Montgomery and 3 more	11 hr
Apr 7, 8:12 AM EDT	Lake Wind Advisory	JKL	Bell, Clay, Harlan, Jackson, Knox, Laurel and 6 more	5 hr
Apr 7, 12:47 PM EDT	Wind Advisory	JKL	Bell, Clay, Harlan, Jackson, Knott, Knox and 10 more	7 hr
Apr 7, 3:26 PM EDT	Freeze Watch	JKL	Bath, Bell, Breathitt, Clay, Elliott, Estill and 27 more	13 hr
Apr 7, 3:26 PM EDT	Freeze Warning	JKL	Bath, Breathitt, Elliott, Estill, Fleming, Floyd and 13 more	18 hr
Apr 7, 7:18 PM EDT	Special Weather Statement	JKL	Letcher	27 min

Nearby

Special Weather Statements in Kentucky, 2016 Every special weather statement 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.