Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 29, NWS Louisville, KY

August 5, 2012Logan County, Kentucky

NWS Louisville, KY issued this flash flood warning at Aug 5, 2012, 6:26 PM CDT for Logan County, Kentucky. It was in force for 2 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: Aug 5, 2012, 6:26 PM CDT (23:26 UTC)
Expired: Aug 5, 2012, 8:50 PM CDT
In force: 2 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

County Logan County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 11.4 hours before the alert went out and 79 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: 1769 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 739 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

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

546 
WGUS53 KLMK 052326 RRA
FFWLMK
KYC141-060225-
/O.NEW.KLMK.FF.W.0029.120805T2326Z-120806T0225Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
626 PM CDT SUN AUG 5 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

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

* UNTIL 925 PM CDT

* AT 619 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  SLOW-MOVING THUNDERSTORMS ENTERING SOUTHERN LOGAN COUNTY FROM THE  
  WEST.

* LOCATIONS IMPACTED INCLUDE...RUSSELLVILLE...

  IN ADDITION...OAKVILLE...WHIPPOORWILL AND CROSSROAD ARE INCLUDED IN
  THIS FLASH FLOOD WARNING.

ADDITIONAL RAINFALL AMOUNTS UP TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA WITHIN THE NEXT HOUR. ESTIMATED RAINFALL IN EXCESS OF 2 
INCHES HAS ALREADY OCCURRED. 

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 3673 8707 3676 8706 3686 8707 3688 8706
      3683 8675 3666 8682 3665 8705

$$

RAS

1 follow-up statement

591 
WGUS73 KLMK 060150
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
850 PM CDT SUN AUG 5 2012

KYC141-060200-
/O.CAN.KLMK.FF.W.0029.000000T0000Z-120806T0225Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LOGAN KY-
850 PM CDT SUN AUG 5 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHERN LOGAN
COUNTY...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND ARE NO LONGER 
PRODUCING HEAVY RAIN. NO FLOODING REPORTS HAVE BEEN RECEIVED.

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

LAT...LON 3673 8707 3676 8706 3686 8707 3688 8706
      3683 8675 3666 8682 3665 8705

$$

SCHOETTMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 3:58 AM CDT	Areal Flood Advisory	LMK	Allen, Barren	3 hr
Aug 5, 5:01 AM CDT	Areal Flood Advisory	LMK	Allen, Barren, Metcalfe, Monroe	3 hr
Aug 5, 3:22 PM CDT	Areal Flood Advisory	LMK	Bullitt, Hardin	3 hr
Aug 5, 4:07 PM CDT	Special Weather Statement	LMK	Logan	28 min
Aug 5, 4:15 PM CDT	Flash Flood Warning	LMK	Bullitt, Hardin	3 hr
Aug 5, 4:20 PM CDT	Special Weather Statement	LMK	Bullitt	30 min
Aug 5, 4:36 PM CDT	Special Weather Statement	LMK	Logan	29 min
Aug 5, 4:50 PM CDT	Special Weather Statement	LMK	Simpson	30 min
Aug 5, 5:07 PM CDT	Special Weather Statement	LMK	Hardin	43 min
Aug 5, 5:10 PM CDT	Special Weather Statement	LMK	Edmonson	30 min
Aug 5, 5:27 PM CDT	Areal Flood Advisory	LMK	Bullitt, Hardin, Larue, Meade, Nelson	3 hr
Aug 5, 5:38 PM CDT	Flash Flood Warning	LMK	Hardin, Larue, Nelson	5 hr
Aug 5, 5:43 PM CDT	Special Weather Statement	LMK	Hardin, Larue	32 min
Aug 5, 6:26 PM CDT	Flash Flood Warning	LMK	Grayson, Green, Hardin, Hart, Larue	3 hr

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.