Alert archive / Kentucky / Areal Flood Warnings in 2012

Areal Flood Warning 5, NWS Jackson, KY

April 3, 2012Letcher County, Kentucky

NWS Jackson, KY issued this areal flood warning at Apr 3, 2012, 11:51 PM EDT for Letcher County, Kentucky. It was in force for 9 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: Apr 3, 2012, 11:51 PM EDT (03:51 UTC)
Expired: Apr 4, 2012, 8:30 AM EDT
In force: 9 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

County Letcher County, KY

The radar

The Jackson,KY radar (KJKL), 66 km from the middle of the area, began a volume at 03:52 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, 3.9 hours before the alert went out and 270 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: 200 J/kg
Mixed-layer CIN: -224 J/kg
Mixed-layer LCL: 1726 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 127 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Apr 3, 10:37 PM EDT, 1 hour 14 minutes earlier.

Area forecast discussion, Apr 3, 10:37 PM EDT, 1 hour 14 minutes before

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Hazardous weather outlook, Apr 3, 10:51 PM EDT, 1 hour before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
1051 PM EDT TUE APR 3 2012

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-050600-
FLEMING-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...FLEMINGSBURG...MOUNT STERLING...
OWINGSVILLE...MOREHEAD...IRVINE...STANTON...FRENCHBURG...
MOUNT VERNON...MCKEE...SOMERSET...LONDON...MONTICELLO...
WHITLEY CITY...CORBIN...WILLIAMSBURG...BARBOURVILLE...MIDDLESBORO...
PINEVILLE...HARLAN...SANDY HOOK...WEST LIBERTY...PAINTSVILLE...
CAMPTON...SALYERSVILLE...PRESTONSBURG...BEATTYVILLE...JACKSON...
HINDMAN...BOONEVILLE...HAZARD...MANCHESTER...HYDEN...WHITESBURG...
INEZ...PIKEVILLE
1051 PM EDT TUE APR 3 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...TONIGHT.

THUNDERSTORMS ARE POSSIBLE TONIGHT. A FEW STORMS MAY CONTAIN SMALL
HAIL. LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE...AND MAY CAUSE
MINOR FLOODING OF LOW LYING AREAS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY THROUGH THURSDAY...AND THEN
AGAIN ON SUNDAY. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE WEDNESDAY
AND WEDNESDAY NIGHT...WHICH MAY LEAD TO MINOR FLOODING OF LOW LYING
AREAS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY INSTANCES OF HAIL OR DAMAGING
WINDS.

GEOGERIAN/MB

In the hours before

Special weather statement, Apr 3, 9:18 PM EDT, 2 hours 33 minutes before

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Special weather statement, Apr 3, 9:54 PM EDT, 1 hour 57 minutes before

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Local storm report, Apr 3, 10:07 PM EDT, 1 hour 44 minutes before

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Local storm report, Apr 3, 10:53 PM EDT, 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
1053 PM EDT TUE APR 03 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0808 PM     FLASH FLOOD      3 E PINE KNOT           36.66N 84.38W
04/03/2012                   MCCREARY           KY   EMERGENCY MNGR

            EAST HIGHWAY 92 NEAR WILD BILL STEPHENS RD. CLOSED DUE TO
            HIGH WATER

&&

DUSTY

Local storm report, Apr 3, 11:48 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
1148 PM EDT TUE APR 03 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0330 PM     FLASH FLOOD      3 N WHITESBURG          37.16N 82.83W
04/03/2012                   LETCHER            KY   EMERGENCY MNGR

            EM RELAYED JUDGE EXECUTIVES DECLARATION OF A LOCAL STATE
            OF EMERGENCY DUE TO NUMEROUS ROAD CLOSURES FROM FLOODING,
            MUDSLIDES, BRIDGE AND CULVERT DAMAGE RESULTING FROM HEAVY
            RAINS. 1ST REPORT IS FOR HWY 1148 NEAR SANDLICK GAP.

&&

MB

Local storm report, Apr 3, 11:51 PM EDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
1151 PM EDT TUE APR 03 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0330 PM     FLASH FLOOD      GORDON                  37.00N 83.02W
04/03/2012                   LETCHER            KY   EMERGENCY MNGR

            HWY 160 NEAR GORDON AND LINEFORK HAS BEEN CLOSED DUE TO
            FLOODING/MUDSLIDE.

&&

MB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 8:07 PM EDT	Areal Flood Advisory	JKL	McCreary, Whitley	3 hr
Apr 3, 8:09 PM EDT	Areal Flood Advisory	JKL	Clay, Knox, Laurel	2 hr
Apr 3, 9:06 PM EDT	Areal Flood Advisory	JKL	Jackson, Laurel, Rockcastle	68 min
Apr 3, 9:48 PM EDT	Flash Flood Warning	JKL	McCreary, Whitley	3 hr
Apr 4, 4:10 AM EDT	Flash Flood Watch	JKL	Bell, Breathitt, Clay, Elliott, Estill, Floyd and 23 more	18 hr
Apr 4, 2:45 PM EDT	Areal Flood Advisory	JKL	Bath, Fleming, Rowan	3 hr
Apr 4, 2:56 PM EDT	Areal Flood Advisory	JKL	Floyd, Johnson, Knott, Magoffin, Pike	3 hr
Apr 4, 3:25 PM EDT	Flash Flood Warning	JKL	Bath, Fleming, Rowan	3 hr

Nearby

Areal Flood Warnings in Kentucky, 2012 Every areal flood warning in 2012

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.