Alert archive / Kentucky / Areal Flood Warnings in 2021

Areal Flood Warning 33, NWS Jackson, KY

March 28, 20217 counties in Kentucky

NWS Jackson, KY issued this areal flood warning at Mar 28, 2021, 8:20 AM EDT for 7 counties in Kentucky. It was in force for 26 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 28, 2021, 8:20 AM EDT (12:20 UTC)
Expired: Mar 29, 2021, 10:00 AM EDT
In force: 26 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties Clay County, KY, Floyd County, KY, Knott County, KY, Leslie County, KY, Letcher County, KY, Perry County, KY, Pike County, KY

The radar

The Jackson,KY radar (KJKL), 42 km from the middle of the area, began a volume at 12:24 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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 0.3 hours before the alert went out and 310 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: 139 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 564 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 357 m²/s²
0-3 km storm-relative helicity: 324 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning 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 areal flood warning went out at Mar 28, 6:30 AM EDT, 1 hour 50 minutes earlier.

Area forecast discussion, Mar 28, 6:30 AM EDT, 1 hour 50 minutes before

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Hazardous weather outlook, Mar 28, 8:19 AM EDT, 1 minute before

Hazardous Weather Outlook
National Weather Service Jackson KY
819 AM EDT Sun Mar 28 2021

KYZ044-050>052-058>060-068-069-104-106>112-114-119-120-291100-
Fleming-Montgomery-Bath-Rowan-Estill-Powell-Menifee-Rockcastle-
Jackson-Elliott-Morgan-Johnson-Wolfe-Magoffin-Floyd-Lee-Breathitt-
Owsley-Martin-Pike-
Including the cities of Flemingsburg, Camargo, Jeffersonville,
Mount Sterling, Owingsville, Morehead, Irvine, Ravenna,
Clay City, Stanton, Frenchburg, Brodhead, Mount Vernon, McKee,
Annville, Sandy Hook, West Liberty, Paintsville, Campton,
Salyersville, Prestonsburg, Wheelwright, Beattyville, Jackson,
Booneville, Inez, Coal Run, Elkhorn City, Pikeville,
and South Williamson
819 AM EDT Sun Mar 28 2021

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms are possible in some locations during the day
Wednesday.

Frost is expected early Monday morning, and could be widespread in
spots. Frost will again be possible in the deeper valleys early
Tuesday morning. Another cold snap is expected by late this week,
when temperatures could drop into the 20s behind a departing
system both Thursday and Friday nights.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report occurrences of hail, damaging wind,
or flooding from the last 24 hours.

KYZ079-080-083>088-113-115>118-291100-
Pulaski-Laurel-Wayne-McCreary-Whitley-Knox-Bell-Harlan-Knott-
Perry-Clay-Leslie-Letcher-
Including the cities of Burnside, Somerset, London, Monticello,
Stearns, Whitley City, Corbin, Williamsburg, Barbourville,
Middlesboro, Pineville, Cumberland, Harlan, Hindman,
Pippa Passes, Hazard, Manchester, Hyden, Jenkins, and Whitesburg
819 AM EDT Sun Mar 28 2021

...FLOOD WATCH IN EFFECT UNTIL NOON EDT TODAY...

This hazardous weather outlook is for portions of eastern Kentucky.

.DAY ONE...Today and Tonight.

Most rain will taper off by noon, but runoff from rain that has
already fallen will present a continued risk of flooding this
morning.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms are possible during the day Wednesday.

Frost is expected early Monday morning, and could be widespread in
spots. Frost will again be possible in the deeper valleys early
Tuesday morning. Another cold snap is expected by late this week,
when temperatures could drop into the 20s behind a departing
system both Thursday and Friday nights.

.SPOTTER INFORMATION STATEMENT...

Spotters are requested to report occurrences of hail, damaging wind,
or flooding from the last 24 hours.

HAL/JMW

In the hours before

Local storm report, Mar 28, 7:29 AM EDT, 51 minutes before

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Local storm report, Mar 28, 7:35 AM EDT, 45 minutes before

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Local storm report, Mar 28, 7:37 AM EDT, 43 minutes before

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Local storm report, Mar 28, 8:08 AM EDT, 12 minutes before

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Local storm report, Mar 28, 8:09 AM EDT, 11 minutes before

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Local storm report, Mar 28, 8:20 AM 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
Mar 27, 11:22 PM EDT	Areal Flood Advisory	JKL	Bell, Harlan, Knox, McCreary, Wayne, Whitley	9 hr
Mar 28, 12:43 AM EDT	Special Weather Statement	JKL	Fleming	32 min
Mar 28, 12:55 AM EDT	Special Weather Statement	JKL	Fleming	35 min
Mar 28, 1:09 AM EDT	River Flood Warning	JKL	Whitley	5 days
Mar 28, 1:14 AM EDT	Special Weather Statement	JKL	Fleming	31 min
Mar 28, 1:48 AM EDT	Flash Flood Warning	JKL	Bell, McCreary, Wayne, Whitley	6 min
Mar 28, 1:54 AM EDT	Flash Flood Warning	JKL	Bell, McCreary, Wayne, Whitley	4 hr
Mar 28, 2:13 AM EDT	Special Weather Statement	JKL	McCreary	47 min
Mar 28, 2:22 AM EDT	Areal Flood Advisory	JKL	Knox, Laurel, McCreary, Pulaski, Wayne, Whitley	20 hr
Mar 28, 2:49 AM EDT	Flash Flood Warning	JKL	McCreary, Whitley	4 hr
Mar 28, 3:09 AM EDT	Flash Flood Warning	JKL	Bell, Harlan, Knox, Whitley	4 hr
Mar 28, 3:12 AM EDT	Special Weather Statement	JKL	Bell, Harlan, Knox, Letcher, McCreary, Whitley	63 min
Mar 28, 3:16 AM EDT	Areal Flood Advisory	JKL	Bell, Clay, Harlan, Laurel, Leslie, Letcher and 1 more	6 hr
Mar 28, 3:51 AM EDT	Areal Flood Advisory	JKL	Clay, Jackson, Knox, Laurel, Pulaski, Rockcastle	30 hr
Mar 28, 4:00 AM EDT	Flash Flood Warning	JKL	Knox	4 hr
Mar 28, 4:08 AM EDT	Special Weather Statement	JKL	Bell, Harlan, Knox, Leslie, Letcher	67 min
Mar 28, 5:00 AM EDT	Flash Flood Warning	JKL	Bell, Clay, Harlan, Knox, Leslie, Letcher and 1 more	6 hr
Mar 28, 5:23 AM EDT	Areal Flood Advisory	JKL	Clay, Knott, Leslie, Letcher, Perry	11 hr
Mar 28, 5:44 AM EDT	Areal Flood Warning	JKL	Bell, McCreary, Wayne, Whitley	28 hr
Mar 28, 6:04 AM EDT	River Flood Warning	JKL	Bell	32 hr
Mar 28, 6:04 AM EDT	River Flood Warning	JKL	Knox	62 hr
Mar 28, 6:25 AM EDT	Areal Flood Warning	JKL	Knox, McCreary, Pulaski, Wayne, Whitley	28 hr
Mar 28, 6:46 AM EDT	Areal Flood Warning	JKL	Bell, Harlan, Knox, Whitley	27 hr
Mar 28, 7:44 AM EDT	Areal Flood Warning	JKL	Clay, Knox, Laurel, Whitley	26 hr
Mar 28, 7:54 AM EDT	River Flood Warning	JKL	Harlan	13 hr
Mar 28, 8:53 AM EDT	Areal Flood Advisory	JKL	Floyd, Knott, Letcher, Perry, Pike	5 hr
Mar 28, 9:39 AM EDT	River Flood Advisory	JKL	Clay	29 hr
Mar 28, 9:44 AM EDT	River Flood Advisory	JKL	Letcher	49 min
Mar 28, 10:18 AM EDT	River Flood Advisory	JKL	Harlan	6 hr
Mar 28, 10:33 AM EDT	River Flood Warning	JKL	Letcher	6 hr
Mar 28, 10:43 AM EDT	River Flood Warning	JKL	Perry	25 hr
Mar 28, 10:46 AM EDT	River Flood Warning	JKL	Lee	46 hr
Mar 28, 10:46 AM EDT	River Flood Warning	JKL	Estill	66 hr
Mar 28, 10:47 AM EDT	Areal Flood Warning	JKL	Bell, Clay, Harlan, Knox, Leslie, Letcher and 1 more	23 hr
Mar 28, 2:17 PM EDT	Areal Flood Warning	JKL	Breathitt, Knott, Perry	5 hr
Mar 28, 3:04 PM EDT	River Flood Advisory	JKL	Pike	15 hr
Mar 28, 3:07 PM EDT	River Flood Warning	JKL	Owsley	30 hr
Mar 28, 5:19 PM EDT	River Flood Advisory	JKL	Floyd	63 hr
Mar 28, 5:25 PM EDT	River Flood Advisory	JKL	Johnson	30 hr
Mar 28, 7:01 PM EDT	Areal Flood Warning	JKL	Leslie, Perry	8 days
Mar 28, 7:15 PM EDT	River Flood Advisory	JKL	Breathitt	40 hr

Nearby

Areal Flood Warnings in Kentucky, 2021 Every areal flood warning in 2021

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.