Alert archive / Kentucky / Flash Flood Watches in 2015

Flash Flood Watch 2, NWS Jackson, KY

April 7, 201533 counties in Kentucky

NWS Jackson, KY issued this flash flood watch at Apr 7, 2015, 6:03 PM EDT for 33 counties in Kentucky. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Apr 7, 2015, 6:03 PM EDT (22:03 UTC)
Expired: Apr 8, 2015, 12:06 AM EDT
In force: 6 hr
Issued by: NWS Jackson, KY
Flood severity: None

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 22:04 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, 10.1 hours before the alert went out and 218 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: 631 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Apr 7, 3:59 PM EDT, 2 hours 4 minutes earlier.

Area forecast discussion, Apr 7, 3:59 PM EDT, 2 hours 4 minutes before

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Hazardous weather outlook, Apr 7, 4:52 PM EDT, 1 hour 11 minutes before

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In the hours before

Special weather statement, Apr 7, 12:46 PM EDT, 5 hours 17 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 7, 9:49 AM EDT	Areal Flood Advisory	JKL	Bell, Harlan, Knox, Laurel, McCreary, Pulaski and 2 more	3 hr
Apr 7, 9:59 AM EDT	Flash Flood Warning	JKL	Bell, Knox, Laurel, Whitley	3 hr
Apr 7, 12:40 PM EDT	Areal Flood Advisory	JKL	Bath, Elliott, Estill, Fleming, Menifee, Montgomery and 4 more	6 hr
Apr 7, 12:46 PM EDT	Special Weather Statement	JKL	Bath, Menifee, Montgomery, Morgan	44 min
Apr 7, 6:50 PM EDT	Tornado Warning	JKL	Estill, Jackson	25 min
Apr 7, 7:10 PM EDT	Tornado Warning	JKL	Estill, Jackson, Lee	50 min
Apr 7, 7:19 PM EDT	Severe Thunderstorm Warning	JKL	Jackson, Laurel, Pulaski, Rockcastle	56 min
Apr 7, 7:23 PM EDT	Severe Thunderstorm Warning	JKL	Bath, Estill, Lee, Menifee, Montgomery, Morgan and 3 more	52 min
Apr 7, 7:35 PM EDT	Flash Flood Warning	JKL	Bath, Menifee, Montgomery	6 hr
Apr 7, 7:55 PM EDT	Tornado Warning	JKL	Breathitt, Estill, Lee, Wolfe	35 min
Apr 7, 7:57 PM EDT	Flash Flood Warning	JKL	Estill, Jackson, Lee, Owsley, Powell, Wolfe	6 hr

Nearby

Flash Flood Watches in Kentucky, 2015 Every flash flood watch 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.