Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 18, NWS Louisville, KY

June 16, 2012Henry County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jun 16, 2012, 12:40 PM EDT for Henry County, Kentucky. It was in force for 77 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 16, 2012, 12:40 PM EDT (16:40 UTC)
Expired: Jun 16, 2012, 1:57 PM EDT
In force: 77 min
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

County Henry County, KY

The radar

The Louisville radar (KLVX), 79 km from the middle of the area, began a volume at 16:41 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 12:00Z, 4.7 hours before the alert went out and 168 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: 376 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1150 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

719 
WGUS53 KLMK 161640
FFWLMK
KYC103-161840-
/O.NEW.KLMK.FF.W.0018.120616T1640Z-120616T1840Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1240 PM EDT SAT JUN 16 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN HENRY COUNTY IN NORTH CENTRAL KENTUCKY...

* UNTIL 240 PM EDT

* AT 1237 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
VERY HEAVY RAINFALL FROM MULTIPLE THUNDERSTORMS OVER THE WARNED 
AREA. RADAR ESTIMATES INDICATE THREE TO FOUR INCHES OF RAIN HAVE 
FALLEN OVER PORTIONS OF THE WARNED AREA OVER THE PAST HOUR.

* LOCATIONS IMPACTED INCLUDE MAINLY RURAL AREAS OF WESTERN HENRY
  COUNTY...INCLUDING PENDLETON...SULPHUR AND SLIGO.

  FLASH FLOOD PRONE AREA IN THIS WARNING...
  FALLEN TIMBER ROAD FLOODS AT LITTLE KENTUCKY RIVER AROUND SULPHER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

REPORT FLOODING TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO THE
NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

&&

LAT...LON 3836 8511 3835 8522 3836 8528 3839 8530
      3847 8534 3850 8531 3850 8529 3849 8528
      3851 8526

$$

EER

1 follow-up statement

438 
WGUS73 KLMK 161757
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
157 PM EDT SAT JUN 16 2012

KYC103-161806-
/O.CAN.KLMK.FF.W.0018.000000T0000Z-120616T1840Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HENRY KY-
157 PM EDT SAT JUN 16 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTERN HENRY
COUNTY...


THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA AND ANY AREAS THAT MAY HAVE HAD FLOODING SHOULD BE RECEDING 
QUICKLY. 

REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

LAT...LON 3836 8511 3835 8522 3836 8528 3839 8530
      3847 8534 3850 8531 3850 8529 3849 8528
      3851 8526

$$

EER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 7:56 AM EDT	Special Weather Statement	LMK	Shelby	29 min
Jun 16, 8:38 AM EDT	Special Weather Statement	LMK	Henry	42 min
Jun 16, 8:59 AM EDT	Areal Flood Advisory	LMK	Henry, Oldham	91 min
Jun 16, 9:42 AM EDT	Special Weather Statement	LMK	Spencer	43 min
Jun 16, 9:55 AM EDT	Special Weather Statement	LMK	Shelby	45 min
Jun 16, 10:25 AM EDT	Areal Flood Advisory	LMK	Shelby	90 min
Jun 16, 10:56 AM EDT	Flash Flood Warning	LMK	Anderson, Shelby, Spencer	114 min
Jun 16, 4:50 PM EDT	Special Weather Statement	LMK	Bullitt	30 min
Jun 16, 5:26 PM EDT	Special Weather Statement	LMK	Jefferson	29 min
Jun 16, 6:04 PM EDT	Special Weather Statement	LMK	Jefferson	31 min

Nearby

Flash Flood Warnings in Kentucky, 2012 Every flash flood warning in 2012

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.