Alert archive / Kentucky / Flash Flood Watches in 2017

Flash Flood Watch 3, NWS Jackson, KY

May 27, 201732 counties in Kentucky

NWS Jackson, KY issued this flash flood watch at May 27, 2017, 4:50 AM EDT for 32 counties in Kentucky. It took effect at May 27, 2017, 2:00 PM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: May 27, 2017, 4:50 AM EDT (08:50 UTC)
In effect from: May 27, 2017, 2:00 PM EDT
Expired: May 28, 2017, 3:58 AM EDT
In force: 14 hr
Issued by: NWS Jackson, KY
Flood severity: None

All 32 counties

Bath County, KY, Bell County, KY, Breathitt County, KY, Clay County, KY, Elliott County, KY, Estill 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), 27 km from the middle of the area, began a volume at 08:49 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 00:00Z, 8.8 hours before the alert went out and 222 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: 1715 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 125 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 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 May 27, 4:40 AM EDT, 10 minutes earlier.

Area forecast discussion, May 27, 4:40 AM EDT, 10 minutes before

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Hazardous weather outlook, May 27, 4:47 AM EDT, 3 minutes before

Hazardous Weather Outlook
National Weather Service Jackson KY
447 AM EDT Sat May 27 2017

KYZ050>052-058>060-068-069-079-080-083>088-104-106>120-281200-
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 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
447 AM EDT Sat May 27 2017

...FLASH FLOOD WATCH IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE SUNDAY NIGHT...

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Today and Tonight.

Scattered thunderstorms are expected this afternoon and evening.
Severe storms are possible with damaging winds being the main
threat. In addition, storms that track over the same areas
repeatedly may lead to flash flooding.

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

Thunderstorms are expected Sunday afternoon and evening. Severe
storms are possible with damaging winds and large hail being the
main threats. In addition, storms that track over the same areas
repeatedly may lead to flash flooding.

Thunderstorms are possible again Wednesday, Thursday, and Friday,
mainly during the afternoon and early evening hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening and
again on Sunday.

KYZ044-281200-
Fleming-
Including the city of Flemingsburg
447 AM EDT Sat May 27 2017

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Today and Tonight.

Thunderstorms are expected Sunday afternoon and evening. Severe
storms are possible with damaging winds and heavy rain being the
main threats.

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

Thunderstorms are expected Sunday afternoon and evening. Severe
storms are possible with damaging winds, large hail and heavy rain
being the main threats.

Thunderstorms are possible again Wednesday, Thursday, and Friday,
mainly during the afternoon and early evening hours.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening and
again on Sunday.

KAS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 3:20 PM EDT	Special Weather Statement	JKL	Pulaski	40 min
May 27, 3:54 PM EDT	Special Weather Statement	JKL	Jackson, Owsley, Rockcastle	51 min
May 27, 4:00 PM EDT	Special Weather Statement	JKL	Menifee, Powell	60 min
May 27, 4:12 PM EDT	Severe Thunderstorm Warning	JKL	Menifee, Montgomery, Morgan, Powell	48 min
May 27, 4:19 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Lee, Powell, Wolfe	56 min
May 27, 4:22 PM EDT	Flash Flood Warning	JKL	Powell	3 hr
May 27, 4:39 PM EDT	Areal Flood Advisory	JKL	Menifee, Montgomery, Powell	3 hr
May 27, 4:41 PM EDT	Special Weather Statement	JKL	Wolfe	34 min
May 27, 4:42 PM EDT	Special Weather Statement	JKL	Estill	18 min
May 27, 4:51 PM EDT	Severe Thunderstorm Warning	JKL	Lee, Morgan, Wolfe	24 min
May 27, 4:54 PM EDT	Severe Thunderstorm Warning	JKL	Estill, Jackson, Lee	23 min
May 27, 4:56 PM EDT	Special Weather Statement	JKL	Breathitt	34 min
May 27, 5:00 PM EDT	Areal Flood Advisory	JKL	Estill	3 hr
May 27, 5:00 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Lee, Owsley	30 min
May 27, 5:06 PM EDT	Special Weather Statement	JKL	Owsley	24 min
May 27, 5:13 PM EDT	Special Weather Statement	JKL	Estill, Lee	32 min
May 27, 5:16 PM EDT	Areal Flood Advisory	JKL	Pulaski	3 hr
May 27, 5:16 PM EDT	Special Weather Statement	JKL	Wolfe	29 min
May 27, 5:17 PM EDT	Special Weather Statement	JKL	Pulaski	28 min
May 27, 5:21 PM EDT	Special Weather Statement	JKL	Harlan	24 min
May 27, 5:27 PM EDT	Areal Flood Advisory	JKL	Breathitt, Lee, Powell, Wolfe	3 hr
May 27, 5:27 PM EDT	Severe Thunderstorm Warning	JKL	Breathitt, Knott, Magoffin, Morgan, Wolfe	33 min
May 27, 5:34 PM EDT	Severe Thunderstorm Warning	JKL	Laurel, Pulaski, Rockcastle	26 min
May 27, 5:40 PM EDT	Special Weather Statement	JKL	Knott, Perry	35 min
May 27, 5:41 PM EDT	Severe Thunderstorm Warning	JKL	Knott, Perry	34 min
May 27, 5:44 PM EDT	Areal Flood Advisory	JKL	Breathitt, Lee	3 hr
May 27, 5:49 PM EDT	Tornado Warning	JKL	Laurel, Pulaski	26 min
May 27, 5:54 PM EDT	Special Weather Statement	JKL	Magoffin	36 min
May 27, 5:57 PM EDT	Severe Thunderstorm Warning	JKL	Laurel, Pulaski	33 min
May 27, 6:10 PM EDT	Severe Thunderstorm Warning	JKL	Knott, Letcher, Perry	35 min
May 27, 6:28 PM EDT	Severe Thunderstorm Warning	JKL	Elliott	32 min
May 27, 6:29 PM EDT	Severe Thunderstorm Warning	JKL	Knox, Laurel, Whitley	31 min
May 27, 6:35 PM EDT	Special Weather Statement	JKL	Pulaski	25 min
May 27, 6:39 PM EDT	Special Weather Statement	JKL	Letcher	36 min
May 27, 6:50 PM EDT	Special Weather Statement	JKL	Laurel	25 min
May 27, 6:59 PM EDT	Special Weather Statement	JKL	Knox	31 min
May 27, 6:59 PM EDT	Severe Thunderstorm Warning	JKL	Elliott	31 min
May 27, 7:03 PM EDT	Special Weather Statement	JKL	Pulaski	27 min
May 27, 7:04 PM EDT	Flash Flood Warning	JKL	Pulaski	6 hr
May 27, 7:16 PM EDT	Special Weather Statement	JKL	Laurel	29 min
May 27, 7:25 PM EDT	Special Weather Statement	JKL	Elliott	35 min
May 27, 7:27 PM EDT	Severe Thunderstorm Warning	JKL	Knox, Laurel	33 min
May 27, 7:30 PM EDT	Areal Flood Advisory	JKL	Elliott	2 hr
May 27, 7:32 PM EDT	Special Weather Statement	JKL	Harlan	28 min
May 27, 7:35 PM EDT	Areal Flood Advisory	JKL	Knox, Laurel, Pulaski, Whitley	3 hr
May 27, 7:35 PM EDT	Special Weather Statement	JKL	Bell	25 min
May 27, 7:42 PM EDT	Special Weather Statement	JKL	Pulaski	33 min
May 27, 7:45 PM EDT	Severe Thunderstorm Warning	JKL	Laurel, Pulaski, Rockcastle	30 min
May 27, 7:47 PM EDT	Severe Thunderstorm Warning	JKL	Bell, Harlan	28 min

Nearby

Flash Flood Watches in Kentucky, 2017 Every flash flood watch in 2017

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.