Alert archive / Kentucky / Flash Flood Warnings in 2010

Flash Flood Warning 10, NWS Jackson, KY

May 3, 20106 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at May 3, 2010, 12:44 AM EDT for 6 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, 12:44 AM EDT (04:44 UTC)
Expired
May 3, 2010, 6:30 AM EDT
In force
6 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Clay County, KY, Laurel County, KY, McCreary County, KY, Pulaski County, KY, Wayne County, KY, Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 114 km from the middle of the area, began a volume at 04:47 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

Nashville Metro, TN (KBNA), launched 00:00Z, 4.7 hours before the alert went out and 224 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2010-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 268 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2010-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
268 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
458 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
-41 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.8

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, 55 minutes earlier.

Area forecast discussion, May 2, 11:49 PM EDT, 55 minutes before
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Hazardous weather outlook, May 2, 10:16 PM EDT, 2 hours 28 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

Special weather statement, May 2, 10:32 PM EDT, 2 hours 12 minutes before
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Special weather statement, May 2, 11:12 PM EDT, 1 hour 32 minutes before
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Local storm report, May 2, 11:26 PM EDT, 1 hour 18 minutes before
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Local storm report, May 2, 11:28 PM EDT, 1 hour 16 minutes before
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Local storm report, May 2, 11:29 PM EDT, 1 hour 15 minutes before
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Local storm report, May 3, 12:15 AM EDT, 29 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 8:52 PM EDTAreal Flood WarningJKLBath, Estill, Lee, Menifee, Powell, Rowan15 hr
May 2, 9:06 PM EDTAreal Flood AdvisoryJKLClay, Jackson, Laurel, Lee, McCreary, Owsley and 3 more6 hr
May 2, 9:38 PM EDTAreal Flood AdvisoryJKLElliott, Lee, Morgan, Wolfe6 hr
May 2, 11:52 PM EDTRiver Flood WarningJKLLee42 hr
May 3, 12:31 AM EDTAreal Flood AdvisoryJKLBreathitt, Clay, Floyd, Johnson, Knott, Knox and 9 more6 hr
May 3, 12:59 AM EDTFlash Flood WarningJKLBreathitt, Clay, Jackson, Lee, Owsley6 hr
May 3, 1:03 AM EDTFlash Flood WarningJKLBreathitt, Elliott, Johnson, Magoffin, Morgan, Wolfe6 hr
May 3, 1:28 AM EDTAreal Flood AdvisoryJKLBell, Floyd, Harlan, Johnson, Knott, Leslie and 5 more6 hr
May 3, 2:53 AM EDTFlash Flood WarningJKLBreathitt, Floyd, Johnson, Magoffin5 hr
May 3, 3:18 AM EDTFlash Flood WarningJKLFloyd, Knott, Letcher, Martin, Pike5 hr
May 3, 4:06 AM EDTFlash Flood WarningJKLBreathitt, Knott, Perry6 hr
May 3, 4:24 AM EDTRiver Flood WarningJKLOwsley29 hr
May 3, 5:25 AM EDTAreal Flood WarningJKLBell, Harlan, Knox, Leslie, Letcher, Perry and 1 more6 hr
May 3, 6:21 AM EDTAreal Flood WarningJKLClay, Knox, Laurel, McCreary, Pulaski, Rockcastle and 2 more13 hr
May 3, 7:01 AM EDTAreal Flood WarningJKLBreathitt, Clay, Elliott, Jackson, Johnson, Laurel and 7 more12 hr
May 3, 8:01 AM EDTAreal Flood WarningJKLMagoffin28 hr
May 3, 8:11 AM EDTRiver Flood AdvisoryJKLHarlan7 hr
May 3, 8:11 AM EDTRiver Flood AdvisoryJKLBell26 hr
May 3, 9:18 AM EDTAreal Flood WarningJKLLeslie30 hr
May 3, 9:40 AM EDTRiver Flood AdvisoryJKLClay24 hr
May 3, 10:51 AM EDTAreal Flood WarningJKLBath, Estill, Fleming, Jackson, Laurel, Lee and 9 more24 hr
May 3, 12:20 PM EDTRiver Flood WarningJKLKnox32 hr
May 3, 12:20 PM EDTRiver Flood WarningJKLWhitley40 hr
May 3, 6:56 PM EDTAreal Flood WarningJKLClay, Jackson, Laurel, Magoffin, Owsley17 hr
May 3, 7:28 PM EDTAreal Flood WarningJKLClay, Knox, Laurel, Pulaski, Rockcastle, Wayne25 hr

Nearby

Flash Flood Warnings in Kentucky, 2010Every 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.