Alert archive / Kentucky / Flash Flood Watches in 2015

Flash Flood Watch 8, NWS Louisville, KY

July 10, 201543 counties in Kentucky; 10 counties in Indiana

NWS Louisville, KY issued this flash flood watch at Jul 10, 2015, 8:28 AM CDT for 43 counties in Kentucky; 10 counties in Indiana. It took effect at Jul 10, 2015, 9:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jul 10, 2015, 8:28 AM CDT (13:28 UTC)
In effect from
Jul 10, 2015, 9:00 AM CDT
Expired
Jul 10, 2015, 7:00 PM CDT
In force
10 hr
Issued by
NWS Louisville, KY
Flood severity
None
All 53 counties

Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Orange County, IN, Perry County, IN, Scott County, IN, Washington County, IN, Adair County, KY, Anderson County, KY, Barren County, KY, Bourbon County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Casey County, KY, Clark County, KY, Edmonson County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Warren County, KY, Washington County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 42 km from the middle of the area, began a volume at 13:29 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 12:00Z, 1.5 hours before the alert went out and 218 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 12:00Z on 2015-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 335 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2015-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939Sfc1 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
335 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1085 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
85 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 Louisville, KY wrote its last area forecast discussion before this flash flood watch went out at Jul 10, 5:35 AM CDT, 2 hours 53 minutes earlier.

Area forecast discussion, Jul 10, 5:35 AM CDT, 2 hours 53 minutes before
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Hazardous weather outlook, Jul 10, 2:47 AM CDT, 5 hours 41 minutes before
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In the hours before

Special weather statement, Jul 10, 4:56 AM CDT, 3 hours 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
556 AM EDT FRI JUL 10 2015

KYZ023>029-038>040-045>048-053>057-061>067-070>078-081-082-101130-
HANCOCK KY-BRECKINRIDGE KY-MEADE KY-OHIO KY-GRAYSON KY-HARDIN KY-
BULLITT KY-SPENCER KY-ANDERSON KY-WOODFORD KY-NELSON KY-
WASHINGTON KY-MERCER KY-JESSAMINE KY-LARUE KY-MARION KY-BOYLE KY-
GARRARD KY-MADISON KY-BUTLER KY-EDMONSON KY-HART KY-GREEN KY-
TAYLOR KY-CASEY KY-LINCOLN KY-LOGAN KY-WARREN KY-SIMPSON KY-
ALLEN KY-BARREN KY-MONROE KY-METCALFE KY-ADAIR KY-RUSSELL KY-
CUMBERLAND KY-CLINTON KY-
INCLUDING THE CITIES OF...HAWESVILLE...HARDINSBURG...
BRANDENBURG...BEAVER DAM...LEITCHFIELD...ELIZABETHTOWN...
FORT KNOX...MOUNT WASHINGTON...SHEPHERDSVILLE...TAYLORSVILLE...
LAWRENCEBURG...VERSAILLES...BARDSTOWN...SPRINGFIELD...
HARRODSBURG...NICHOLASVILLE...HODGENVILLE...LEBANON...DANVILLE...
LANCASTER...RICHMOND...MORGANTOWN...BROWNSVILLE...MUNFORDVILLE...
GREENSBURG...CAMPBELLSVILLE...LIBERTY...STANFORD...RUSSELLVILLE...
BOWLING GREEN...FRANKLIN...SCOTTSVILLE...GLASGOW...
TOMPKINSVILLE...EDMONTON...COLUMBIA...JAMESTOWN...BURKESVILLE...
ALBANY
556 AM EDT FRI JUL 10 2015 /456 AM CDT FRI JUL 10 2015/

...PATCHY DENSE FOG...

CLEAR SKIES AND LIGHT WINDS HAVE LED TO THE FORMATION OF PATCHY
DENSE FOG EARLY THIS MORNING IN CENTRAL KENTUCKY...PRIMARILY IN
RURAL AREAS SOUTH OF INTERSTATE 64.

IF DRIVING THIS MORNING BE ON THE LOOKOUT FOR SUDDEN CHANGES IN
VISIBILITY AND BE PREPARED TO REDUCE YOUR SPEED IN FOG BANKS.

13
Special weather statement, Jul 10, 8:22 AM CDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
822 AM CDT FRI JUL 10 2015

INZ084-089-KYZ023>026-101405-
BRECKINRIDGE KY-CRAWFORD IN-HANCOCK KY-MEADE KY-OHIO KY-PERRY IN-
822 AM CDT FRI JUL 10 2015

...STRONG THUNDERSTORMS WITH DANGEROUS LIGHTNING...HEAVY RAIN...AND
50 MPH WINDS...

AT 820 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM SANTA CLAUS TO
ROCKPORT TO 8 MILES WEST OF LIVERMORE...AND MOVING EAST AT 35 MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...HEAVY RAIN REDUCING
VISIBILITIES...AND STRONG GUSTY WINDS OF AROUND 40 TO 50 MPH...ARE
EXPECTED WITH THESE STORMS.

* THESE STORMS WILL ALSO IMPACT...
  HAWESVILLE...
  HARTFORD...
  TELL CITY...
  ADYEVILLE AND ADAIR...
  SASSAFRAS AND PETRI...
  CELINA AND HEFLIN...
  BRANCHVILLE AND WEBERSTOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THESE STORMS...SEEK SHELTER INDOORS AND
STAY AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO...
WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER
UPDATES AND POSSIBLE WARNINGS.

&&

LAT...LON 3764 8695 3767 8683 3771 8687 3775 8683
      3780 8683 3784 8686 3784 8692 3790 8692
      3790 8699 3794 8697 3794 8693 3799 8686
      3801 8678 3810 8677 3811 8681 3822 8679
      3821 8631 3784 8647 3743 8674 3748 8711
TIME...MOT...LOC 1322Z 270DEG 32KT 3816 8683 3783 8697
          3745 8725

EER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 7:21 PM CDTSpecial Weather StatementLMKCumberland19 min
Jul 9, 7:28 PM CDTSpecial Weather StatementLMKBarren32 min
Jul 9, 9:42 PM CDTSpecial Weather StatementLMKOhio43 min
Jul 10, 8:22 AM CDTSpecial Weather StatementLMKHancock, Ohio43 min
Jul 10, 8:54 AM CDTSpecial Weather StatementLMKBreckinridge, Meade31 min
Jul 10, 9:00 AM CDTSevere Thunderstorm WarningLMKBreckinridge, Hardin, Meade30 min
Jul 10, 9:20 AM CDTSevere Thunderstorm WarningLMKBullitt, Hardin, Jefferson, Meade30 min
Jul 10, 9:43 AM CDTTornado WarningLMKBullitt, Hardin, Nelson32 min
Jul 10, 9:49 AM CDTSpecial Weather StatementLMKBullitt, Hardin, Jefferson, Nelson, Spencer36 min
Jul 10, 9:50 AM CDTSevere Thunderstorm WarningLMKBullitt, Hardin, Jefferson, Larue, Nelson, Shelby and 1 more40 min
Jul 10, 10:16 AM CDTSevere Thunderstorm WarningLMKAnderson, Franklin, Mercer, Nelson, Shelby, Spencer and 2 more29 min
Jul 10, 10:17 AM CDTTornado WarningLMKFranklin, Shelby, Spencer28 min
Jul 10, 10:41 AM CDTSevere Thunderstorm WarningLMKAnderson, Franklin, Henry, Mercer, Scott, Shelby and 2 more39 min
Jul 10, 10:55 AM CDTSevere Thunderstorm WarningLMKBourbon, Boyle, Clark, Fayette, Garrard, Harrison and 5 more30 min
Jul 10, 11:19 AM CDTSevere Thunderstorm WarningLMKBourbon, Clark, Fayette, Harrison, Jessamine, Madison and 2 more46 min
Jul 10, 11:48 AM CDTSevere Thunderstorm WarningLMKHarrison, Nicholas32 min
Jul 10, 12:23 PM CDTSpecial Weather StatementLMKBoyle42 min
Jul 10, 12:54 PM CDTSpecial Weather StatementLMKGreen, Taylor31 min
Jul 10, 1:12 PM CDTSevere Thunderstorm WarningLMKCasey, Green, Taylor28 min
Jul 10, 1:16 PM CDTSpecial Weather StatementLMKLincoln29 min
Jul 10, 1:41 PM CDTSpecial Weather StatementLMKCasey29 min
Jul 10, 1:43 PM CDTSevere Thunderstorm WarningLMKCasey, Lincoln32 min
Jul 10, 1:54 PM CDTSpecial Weather StatementLMKWarren31 min
Jul 10, 1:57 PM CDTSpecial Weather StatementLMKCasey33 min
Jul 10, 2:05 PM CDTSpecial Weather StatementLMKHardin30 min
Jul 10, 2:20 PM CDTSevere Thunderstorm WarningLMKGrayson, Hardin, Larue30 min
Jul 10, 2:36 PM CDTSpecial Weather StatementLMKMetcalfe29 min
Jul 10, 2:47 PM CDTSpecial Weather StatementLMKLarue28 min
Jul 10, 3:00 PM CDTSevere Thunderstorm WarningLMKAdair, Metcalfe30 min
Jul 10, 3:11 PM CDTSpecial Weather StatementLMKMarion, Washington29 min
Jul 10, 3:13 PM CDTSpecial Weather StatementLMKBarren, Metcalfe32 min
Jul 10, 3:17 PM CDTSpecial Weather StatementLMKAdair, Russell28 min
Jul 10, 3:23 PM CDTSpecial Weather StatementLMKWoodford32 min
Jul 10, 3:44 PM CDTSpecial Weather StatementLMKRussell31 min
Jul 10, 3:46 PM CDTSpecial Weather StatementLMKOldham29 min
Jul 10, 3:48 PM CDTSpecial Weather StatementLMKCumberland32 min
Jul 10, 3:59 PM CDTSpecial Weather StatementLMKWoodford31 min
Jul 10, 4:06 PM CDTSpecial Weather StatementLMKButler29 min
Jul 10, 4:12 PM CDTSevere Thunderstorm WarningLMKClinton, Cumberland, Russell23 min
Jul 10, 4:21 PM CDTSpecial Weather StatementLMKRussell29 min
Jul 10, 4:34 PM CDTSpecial Weather StatementLMKWarren31 min
Jul 10, 4:50 PM CDTSpecial Weather StatementLMKWarren30 min
Jul 10, 5:01 PM CDTSpecial Weather StatementLMKMetcalfe29 min
Jul 10, 5:05 PM CDTSpecial Weather StatementLMKSpencer30 min
Jul 10, 5:12 PM CDTSpecial Weather StatementLMKBarren33 min
Jul 10, 5:24 PM CDTSevere Thunderstorm WarningLMKWashington21 min
Jul 10, 5:32 PM CDTSpecial Weather StatementLMKAnderson, Woodford33 min
Jul 10, 5:48 PM CDTSpecial Weather StatementLMKMercer32 min

Nearby

Flash Flood Watches in Kentucky, 2015Flash Flood Watches in Indiana, 2015Every flash flood watch in 2015

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.