Alert archive / Kentucky / Special Weather Statements in 2015

Special Weather Statement, NWS Jackson, KY

October 9, 20154 counties in Kentucky

NWS Jackson, KY issued this special weather statement at Oct 9, 2015, 2:21 PM EDT for 4 counties in Kentucky. It was in force for 39 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: Oct 9, 2015, 2:21 PM EDT (18:21 UTC)
Expired: Oct 9, 2015, 3:00 PM EDT
In force: 39 min
Issued by: NWS Jackson, KY

Counties Estill County, KY, Lee County, KY, Powell County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 34 km from the middle of the area, began a volume at 18:22 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

Roanoke, VA (KRNK), launched 12:00Z, 6.4 hours before the alert went out and 367 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: 53 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 927 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 9, 1:52 PM EDT	Special Weather Statement	JKL	Estill, Lee, Powell	38 min
Oct 9, 2:50 PM EDT	Special Weather Statement	JKL	Breathitt, Magoffin, Wolfe	40 min
Oct 9, 3:25 PM EDT	Special Weather Statement	JKL	Floyd	35 min
Oct 9, 3:48 PM EDT	Special Weather Statement	JKL	Floyd, Knott, Martin, Pike	42 min
Oct 9, 4:27 PM EDT	Special Weather Statement	JKL	Pike	33 min
Oct 9, 4:55 PM EDT	Special Weather Statement	JKL	McCreary, Whitley	35 min
Oct 9, 5:21 PM EDT	Special Weather Statement	JKL	Bell	24 min

Nearby

Special Weather Statements in Kentucky, 2015 Every special weather statement in 2015

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.