Alert archive / Kentucky / Lake Wind Advisories in 2011

Lake Wind Advisory 2, NWS Jackson, KY

February 24, 201133 counties in Kentucky

NWS Jackson, KY issued this lake wind advisory at Feb 24, 2011, 3:45 PM EST for 33 counties in Kentucky. It took effect at Feb 25, 2011, 2:00 AM EST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued: Feb 24, 2011, 3:45 PM EST (20:45 UTC)
In effect from: Feb 25, 2011, 2:00 AM EST
Expired: Feb 25, 2011, 12:43 PM EST
In force: 11 hr
Issued by: NWS Jackson, KY

All 33 counties

Bath County, KY, Bell County, KY, Breathitt County, KY, Clay County, KY, Elliott County, KY, Estill County, KY, Fleming County, KY, Floyd County, KY, Harlan County, KY, Jackson County, KY, Johnson County, KY, Knott County, KY, Knox County, KY, Laurel County, KY, Lee County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, McCreary County, KY, Menifee County, KY, Montgomery County, KY, Morgan County, KY, Owsley County, KY, Perry County, KY, Pike County, KY, Powell County, KY, Pulaski County, KY, Rockcastle County, KY, Rowan County, KY, Wayne County, KY, Whitley County, KY, Wolfe County, KY

The radar

The Jackson,KY radar (KJKL), 26 km from the middle of the area, began a volume at 20:47 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, 8.8 hours before the alert went out and 309 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 875 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 496 m²/s²
0-3 km storm-relative helicity: 689 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 lake wind advisory 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 lake wind advisory went out at Feb 24, 3:39 PM EST, 6 minutes earlier.

Area forecast discussion, Feb 24, 3:39 PM EST, 6 minutes before

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Hazardous weather outlook, Feb 24, 10:33 AM EST, 5 hours 12 minutes before

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In the hours before

Local storm report, Feb 24, 3:23 PM EST, 22 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
Feb 24, 9:15 AM EST	Areal Flood Advisory	JKL	Bell	3 hr
Feb 24, 9:26 AM EST	Areal Flood Advisory	JKL	Estill, Jackson, Laurel, Pulaski, Rockcastle	6 hr

Nearby

Lake Wind Advisories in Kentucky, 2011 Every lake wind advisory in 2011

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.