Alert archive / Indiana / Flash Flood Warnings in 2017

Flash Flood Warning 21, NWS Louisville, KY

July 23, 2017Breckinridge County, Hancock County, Meade County, Kentucky; 4 counties in Indiana

NWS Louisville, KY issued this flash flood warning at Jul 23, 2017, 4:23 AM CDT for Breckinridge County, Hancock County, Meade County, Kentucky; 4 counties in Indiana. It was in force for 3 hr. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 23, 2017, 4:23 AM CDT (09:23 UTC)
Expired: Jul 23, 2017, 7:30 AM CDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Crawford County, IN, Dubois County, IN, Orange County, IN, Perry County, IN, Breckinridge County, KY, Hancock County, KY, Meade County, KY

The radar

The Louisville radar (KLVX), 68 km from the middle of the area, began a volume at 09:22 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.

What was reported inside it

Time	Report	Where	Remark
Jul 23, 5:46 AM CDT	HEAVY RAIN 3.66	Leavenworth, IN	IN THE PAST 6 HOURS.
Jul 23, 5:47 AM CDT	HEAVY RAIN 3.28	Beechwood, IN	IN THE PAST 6 HOURS.
Jul 23, 6:00 AM CDT	FLOOD	1 Nne Paoli, IN	SOME STREET FLOODING.
Jul 23, 7:03 AM CDT	HEAVY RAIN 6.02	Celestine, IN	SINCE MIDNIGHT.
Jul 23, 7:05 AM CDT	FLASH FLOOD	2 E Ferdinand, IN	SOME STREETS FLOODED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 9.4 hours before the alert went out and 233 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: 1458 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1793 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

868 
WGUS53 KLMK 230923
FFWLMK
INC025-037-117-123-KYC027-091-163-231230-
/O.NEW.KLMK.FF.W.0021.170723T0923Z-170723T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
523 AM EDT SUN JUL 23 2017

The National Weather Service in Louisville has issued a

* Flash Flood Warning for...
  Eastern Dubois County in south central Indiana...
  Crawford County in south central Indiana...
  Perry County in south central Indiana...
  Orange County in south central Indiana...
  Northwestern Meade County in central Kentucky...
  North central Hancock County in central Kentucky...
  Northwestern Breckinridge County in central Kentucky...

* Until 830 AM EDT/730 AM CDT/

* At 522 AM EDT/422 AM CDT/, Doppler radar indicated thunderstorms
  producing heavy rain across the warned area. Up to three inches of 
  rain may have already fallen, and additional heavy rain is moving 
  into the area. Flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Tell City, Paoli, English, Carefree Town, Mount Pleasant,
  Ferdinand, Orleans, French Lick, Stampers Creek, and Marengo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3869 8631 3818 8632 3818 8633 3817 8631
      3791 8631 3790 8661 3798 8686 3802 8680
      3800 8677 3804 8679 3806 8677 3808 8678
      3810 8677 3812 8681 3821 8679 3821 8686
      3851 8686 3853 8683 3853 8668 3869 8668

$$

13

1 follow-up statement

880 
WGUS73 KLMK 231226
FFSLMK

Flash Flood Statement
National Weather Service Louisville KY
826 AM EDT SUN JUL 23 2017

INC025-037-117-123-KYC027-091-163-231234-
/O.EXP.KLMK.FF.W.0021.000000T0000Z-170723T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dubois IN-Crawford IN-Perry IN-Orange IN-Meade KY-Hancock KY-
Breckinridge KY-
826 AM EDT SUN JUL 23 2017

...THE FLASH FLOOD WARNING FOR EASTERN DUBOIS...CRAWFORD...PERRY...
ORANGE...NORTHWESTERN MEADE...NORTH CENTRAL HANCOCK AND NORTHWESTERN
BRECKINRIDGE COUNTIES WILL EXPIRE AT 830 AM EDT/730 AM CDT/...

The heavy rain has ended but light rain will continue for the next 
couple of hours. Flood waters are receding, though there is still 
some ponding of water. Flooding is no longer expected to pose a 
threat. Please continue to heed any remaining road closures.

LAT...LON 3869 8631 3818 8632 3818 8633 3817 8631
      3791 8631 3790 8661 3798 8686 3802 8680
      3800 8677 3804 8679 3806 8677 3808 8678
      3810 8677 3812 8681 3821 8679 3821 8686
      3851 8686 3853 8683 3853 8668 3869 8668

$$

EER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 8:08 PM CDT	Special Weather Statement	LMK	Harrison	37 min
Jul 22, 8:20 PM CDT	Severe Thunderstorm Warning	LMK	Harrison, Nicholas	40 min
Jul 22, 8:58 PM CDT	Special Weather Statement	LMK	Nicholas	47 min
Jul 23, 12:16 AM CDT	Special Weather Statement	LMK	Nicholas	14 min
Jul 23, 1:16 AM CDT	Special Weather Statement	LMK	Bullitt, Jefferson, Meade	29 min
Jul 23, 1:46 AM CDT	Special Weather Statement	LMK	Bullitt, Meade, Nelson, Shelby, Spencer	29 min
Jul 23, 2:12 AM CDT	Severe Thunderstorm Warning	LMK	Meade	33 min
Jul 23, 2:17 AM CDT	Severe Thunderstorm Warning	LMK	Anderson, Franklin, Henry, Shelby, Spencer, Woodford	43 min
Jul 23, 2:39 AM CDT	Special Weather Statement	LMK	Meade	36 min
Jul 23, 2:51 AM CDT	Special Weather Statement	LMK	Anderson, Franklin, Jessamine, Scott, Woodford	39 min
Jul 23, 3:33 AM CDT	Special Weather Statement	LMK	Jessamine	27 min
Jul 23, 3:47 AM CDT	Areal Flood Advisory	LMK	Breckinridge, Meade	3 hr
Jul 23, 3:56 AM CDT	Special Weather Statement	LMK	Hancock	49 min
Jul 23, 6:44 AM CDT	Severe Thunderstorm Warning	LMK	Meade	31 min
Jul 23, 6:29 PM CDT	Special Weather Statement	LMK	Clinton	31 min
Jul 23, 6:31 PM CDT	Special Weather Statement	LMK	Monroe	44 min
Jul 23, 6:38 PM CDT	Special Weather Statement	LMK	Cumberland	37 min
Jul 22, 7:24 PM CDT	Special Weather Statement	LMK	Jefferson	36 min
Jul 23, 12:14 AM CDT	Special Weather Statement	LMK	Orange, Washington	46 min
Jul 23, 12:44 AM CDT	Severe Thunderstorm Warning	LMK	Clark, Crawford, Floyd, Harrison, Orange, Scott and 1 more	31 min
Jul 23, 1:24 AM CDT	Areal Flood Advisory	LMK	Orange	3 hr
Jul 23, 2:41 AM CDT	Areal Flood Advisory	LMK	Crawford, Dubois, Harrison, Orange, Perry, Washington	3 hr
Jul 23, 2:46 AM CDT	Special Weather Statement	LMK	Dubois	29 min
Jul 23, 3:23 AM CDT	Special Weather Statement	LMK	Crawford, Dubois	37 min
Jul 23, 6:20 AM CDT	Severe Thunderstorm Warning	LMK	Dubois	25 min
Jul 23, 6:55 AM CDT	Special Weather Statement	LMK	Orange	35 min
Jul 23, 7:16 AM CDT	Special Weather Statement	LMK	Floyd, Harrison	29 min
Jul 23, 5:00 PM CDT	Special Weather Statement	LMK	Jefferson	30 min

Nearby

Flash Flood Warnings in Indiana, 2017 Flash Flood Warnings in Kentucky, 2017 Every flash flood warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.