Alert archive / Kentucky / Flash Flood Warnings in 2010

Flash Flood Warning 11, NWS Jackson, KY

May 3, 20105 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at May 3, 2010, 12:59 AM EDT for 5 counties in Kentucky. It was in force for 6 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: May 3, 2010, 12:59 AM EDT (04:59 UTC)
Expired: May 3, 2010, 7:00 AM EDT
In force: 6 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties Breathitt County, KY, Clay County, KY, Jackson County, KY, Lee County, KY, Owsley County, KY

The radar

The Jackson,KY radar (KJKL), 38 km from the middle of the area, began a volume at 05:00 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, 5.0 hours before the alert went out and 223 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: 117 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 563 m above ground
0-6 km bulk shear: 92 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 233 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 flash 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 flash flood warning went out at May 2, 11:49 PM EDT, 1 hour 10 minutes earlier.

Area forecast discussion, May 2, 11:49 PM EDT, 1 hour 10 minutes before

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Hazardous weather outlook, May 2, 10:16 PM EDT, 2 hours 43 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON KY
1016 PM EDT SUN MAY 2 2010

KYZ044-050>052-058>060-068-069-079-080-083>088-104-106>120-031100-
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
1016 PM EDT SUN MAY 2 2010

...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EDT MONDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN KENTUCKY.

.DAY ONE...OVERNIGHT.

THUNDERSTORMS PRODUCING LOCALLY HEAVY RAINFALL ARE EXPECTED
OVERNIGHT...AND MAY PRODUCE FLOODING IN SOME LOCATIONS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

EXCESSIVE RUNOFF FROM RECENT HEAVY RAINFALL ACROSS THE AREA WILL
RESULT IN SIGNIFICANT RISES ALONG SOME RIVERS AND LARGER CREEKS
THROUGH TUESDAY...WITH MINOR TO MODERATE FLOODING POSSIBLE. THE
HIGHEST RISK OF FLOODING WILL BE ASSOCIATED WITH PORTIONS OF THE
KENTUCKY RIVER AND RED RIVER.

ALSO...THUNDERSTORMS WILL BE POSSIBLE THURSDAY THROUGH FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY OCCURRENCES OF FLOODING...OR
RAINFALL TOTALS OF AN INCH OR MORE.

RAY

In the hours before

Local storm report, May 2, 11:28 PM EDT, 1 hour 31 minutes before

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Local storm report, May 2, 11:29 PM EDT, 1 hour 30 minutes before

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Local storm report, May 3, 12:15 AM EDT, 44 minutes before

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Local storm report, May 3, 12:45 AM EDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
1245 AM EDT MON MAY 03 2010

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

1220 AM     FLASH FLOOD      CORBIN                  36.94N 84.11W
05/03/2010                   WHITLEY            KY   LAW ENFORCEMENT

            SOME STREET FLOODING WAS REPORTED IN THE
            CITY...ESPECIALLY IN POOR DRAINAGE AREAS. THE ROADS ARE
            IMPASSABLE AT THE UNDERPASS AT ROY KIDD AND DEPOT...A
            SECTION OF BACON CREEK RD AND A SECTION OF KY 312 ON THE
            EAST SIDE OF THE CITY. HIGH WATER WAS ALSO REPORTED AT
            MASTER ST AND VAUGHN.

&&

JP

Local storm report, May 3, 12:53 AM EDT, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
1253 AM EDT MON MAY 3 2010

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

1132 PM     FLOOD            SCIENCE HILL            37.17N 84.68W
05/02/2010                   PULASKI            KY   PUBLIC

            STREAMS OVER ROADS OR BRIDGES.
            SOMETIME BEFORE 1142 PM 05/02/2010

&&

NNNN

Local storm report, May 3, 12:55 AM EDT, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON KY
1255 AM EDT MON MAY 03 2010

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

1200 AM     FLASH FLOOD      STEVENSON               37.58N 83.26W
05/03/2010                   BREATHITT          KY   PUBLIC

            MEATSCAFFOLD BRANCH HAD FLOODED HWY 2466 WITH WATER UP TO
            A FOOT DEEP. THE WATER HAD RECEEDED AND UNCOVERED THE
            ROAD AS OF 1250 AM.

&&

ABE

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 8:52 PM EDT	Areal Flood Warning	JKL	Bath, Estill, Lee, Menifee, Powell, Rowan	15 hr
May 2, 9:06 PM EDT	Areal Flood Advisory	JKL	Clay, Jackson, Laurel, Lee, McCreary, Owsley and 3 more	6 hr
May 2, 9:38 PM EDT	Areal Flood Advisory	JKL	Elliott, Lee, Morgan, Wolfe	6 hr
May 2, 11:52 PM EDT	River Flood Warning	JKL	Lee	42 hr
May 3, 12:31 AM EDT	Areal Flood Advisory	JKL	Breathitt, Clay, Floyd, Johnson, Knott, Knox and 9 more	6 hr
May 3, 12:44 AM EDT	Flash Flood Warning	JKL	Clay, Laurel, McCreary, Pulaski, Wayne, Whitley	6 hr
May 3, 1:03 AM EDT	Flash Flood Warning	JKL	Breathitt, Elliott, Johnson, Magoffin, Morgan, Wolfe	6 hr
May 3, 1:28 AM EDT	Areal Flood Advisory	JKL	Bell, Floyd, Harlan, Johnson, Knott, Leslie and 5 more	6 hr
May 3, 2:53 AM EDT	Flash Flood Warning	JKL	Breathitt, Floyd, Johnson, Magoffin	5 hr
May 3, 3:18 AM EDT	Flash Flood Warning	JKL	Floyd, Knott, Letcher, Martin, Pike	5 hr
May 3, 4:06 AM EDT	Flash Flood Warning	JKL	Breathitt, Knott, Perry	6 hr
May 3, 4:24 AM EDT	River Flood Warning	JKL	Owsley	29 hr
May 3, 5:25 AM EDT	Areal Flood Warning	JKL	Bell, Harlan, Knox, Leslie, Letcher, Perry and 1 more	6 hr
May 3, 6:21 AM EDT	Areal Flood Warning	JKL	Clay, Knox, Laurel, McCreary, Pulaski, Rockcastle and 2 more	13 hr
May 3, 7:01 AM EDT	Areal Flood Warning	JKL	Breathitt, Clay, Elliott, Jackson, Johnson, Laurel and 7 more	12 hr
May 3, 8:01 AM EDT	Areal Flood Warning	JKL	Magoffin	28 hr
May 3, 8:11 AM EDT	River Flood Advisory	JKL	Harlan	7 hr
May 3, 8:11 AM EDT	River Flood Advisory	JKL	Bell	26 hr
May 3, 9:18 AM EDT	Areal Flood Warning	JKL	Leslie	30 hr
May 3, 9:40 AM EDT	River Flood Advisory	JKL	Clay	24 hr
May 3, 10:51 AM EDT	Areal Flood Warning	JKL	Bath, Estill, Fleming, Jackson, Laurel, Lee and 9 more	24 hr
May 3, 12:20 PM EDT	River Flood Warning	JKL	Knox	32 hr
May 3, 12:20 PM EDT	River Flood Warning	JKL	Whitley	40 hr
May 3, 6:56 PM EDT	Areal Flood Warning	JKL	Clay, Jackson, Laurel, Magoffin, Owsley	17 hr
May 3, 7:28 PM EDT	Areal Flood Warning	JKL	Clay, Knox, Laurel, Pulaski, Rockcastle, Wayne	25 hr

Nearby

Flash Flood Warnings in Kentucky, 2010 Every flash flood warning in 2010

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.