Alert archive / Kentucky / Flash Flood Warnings in 2016

Flash Flood Warning 41, NWS Louisville, KY

July 29, 2016Logan County, Simpson County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 29, 2016, 11:45 AM CDT for Logan County, Simpson County, Kentucky. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 29, 2016, 11:45 AM CDT (16:45 UTC)
Expired
Jul 29, 2016, 2:45 PM CDT
In force
3 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Logan County, KY, Simpson County, KY

The radar

The Nashville radar (KOHX), 55 km from the middle of the area, began a volume at 16:46 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, 4.8 hours before the alert went out and 68 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 2016-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 777 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2016-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.193958Sfc1 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
777 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

644 
WGUS53 KLMK 291645
FFWLMK
KYC141-213-291945-
/O.NEW.KLMK.FF.W.0041.160729T1645Z-160729T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1145 AM CDT FRI JUL 29 2016

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SIMPSON COUNTY IN SOUTH CENTRAL KENTUCKY...
  LOGAN COUNTY IN CENTRAL KENTUCKY...

* UNTIL 245 PM CDT

* AT 1144 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
  ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  RUSSELLVILLE...AUBURN...ADAIRVILLE...EPLEYS...COOPERSTOWN...
  NEOSHEO...OAKVILLE...MCELROY FORD...SCHLEY AND DENNIS.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA IN AN HOUR OR LESS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3665 8659 3665 8696 3695 8705 3696 8666
      3688 8663 3688 8661 3683 8658 3681 8640
      3674 8641 3671 8641 3668 8642 3665 8641
      3665 8651 3664 8654 3664 8655 3663 8656

$$

RAS
1 follow-up statement
760 
WGUS73 KLMK 291941
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
241 PM CDT FRI JUL 29 2016

KYC141-213-291950-
/O.EXP.KLMK.FF.W.0041.000000T0000Z-160729T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SIMPSON KY-LOGAN KY-
241 PM CDT FRI JUL 29 2016

...THE FLASH FLOOD WARNING FOR SIMPSON AND LOGAN COUNTIES WILL EXPIRE
AT 245 PM CDT...

THE FLASH FLOOD WARNING HAS BEEN REPLACED BY A FLOOD ADVISORY OVER
SOUTHERN LOGAN AND SIMPSON COUNTIES. HEAVY RAINFALL IS STILL
OCCURRING IN THIS AREA, BUT NO REPORTS OF FLASH FLOODING HAVE BEEN
RECEIVED AFTER NUMEROUS CALLS.

LAT...LON 3665 8659 3665 8696 3695 8705 3696 8666
      3688 8663 3688 8661 3683 8658 3681 8640
      3674 8641 3671 8641 3668 8642 3665 8641
      3665 8651 3664 8654 3664 8655 3663 8656

$$

SCHOETTMER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 8:35 PM CDTAreal Flood AdvisoryLMKOhio4 hr
Jul 29, 8:47 AM CDTAreal Flood AdvisoryLMKLogan3 hr
Jul 29, 9:35 AM CDTAreal Flood AdvisoryLMKLogan, Simpson, Warren3 hr
Jul 29, 10:54 AM CDTAreal Flood AdvisoryLMKSimpson3 hr
Jul 29, 12:32 PM CDTSpecial Weather StatementLMKNelson28 min
Jul 29, 2:40 PM CDTAreal Flood AdvisoryLMKLogan, Simpson3 hr
Jul 29, 4:51 PM CDTSpecial Weather StatementLMKHancock24 min
Jul 29, 5:30 PM CDTAreal Flood AdvisoryLMKMadison3 hr
Jul 29, 6:12 PM CDTAreal Flood AdvisoryLMKJefferson, Oldham, Shelby3 hr
Jul 29, 6:22 PM CDTSpecial Weather StatementLMKShelby23 min
Jul 29, 6:35 PM CDTFlash Flood WarningLMKGarrard, Madison3 hr

Nearby

Flash Flood Warnings in Kentucky, 2016Every flash flood warning in 2016

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.