Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 30, NWS Louisville, KY

August 5, 2012Hart County, Kentucky

NWS Louisville, KY issued this flash flood warning at Aug 5, 2012, 7:28 PM CDT for Hart County, Kentucky. It was in force for 81 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
Aug 5, 2012, 7:28 PM CDT (00:28 UTC)
Expired
Aug 5, 2012, 8:49 PM CDT
In force
81 min
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

County Hart County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.5 hours before the alert went out and 140 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 00:00Z on 2012-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2341 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 00:00Z on 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
2341 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
66 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.

468 
WGUS53 KLMK 060028
FFWLMK
KYC099-060325-
/O.NEW.KLMK.FF.W.0030.120806T0028Z-120806T0325Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HART COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 1025 PM CDT

* AT 724 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  TORRENTIAL RAINFALL IS OCCURRING OR IS IMMENENT FROM A             
  THUNDERSTORM OVER THE WARNED AREA. LOCATIONS CAN EXPECT 2 TO 3     
  INCHES OVER THE NEXT 1 TO 2 HOURS...WITH LOCALLY HIGHER AMOUNTS    
  POSSIBLE. NUMEROUS FLASH FLOODING REPORTS HAVE OCCURRED WITH THESE 
  STORMS IN RADCLIFF AND ELIZABETHTOWN. USE CAUTION WHILE DRIVING AS 
  NUMEROUS ACCIDENTS HAVE ALSO BEEN REPORTED DUE TO HYDROPLANING!

* LOCATIONS IMPACTED INCLUDE...MUNFORDVILLE...

  IN ADDITION...PRICEVILLE IS INCLUDED IN THIS FLASH FLOOD WARNING.

  FLASH FLOOD PRONE AREA IN THIS WARNING...
  BACON CREEK OVERFLOWS MUD BRANCH ROAD JUST SOUTH OF HIGHWAY 728.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE TO HIGHER
GROUND.

&&

LAT...LON 3719 8605 3722 8605 3725 8608 3735 8610
      3735 8608 3734 8608 3735 8606 3739 8606
      3740 8604 3731 8570 3728 8568 3718 8570
      3717 8573

$$

SCHOETTMER
1 follow-up statement
980 
WGUS73 KLMK 060149
FFSLMK

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

KYC099-060159-
/O.CAN.KLMK.FF.W.0030.000000T0000Z-120806T0325Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HART KY-
849 PM CDT SUN AUG 5 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR HART 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 3719 8605 3722 8605 3725 8608 3735 8610
      3735 8608 3734 8608 3735 8606 3739 8606
      3740 8604 3731 8570 3728 8568 3718 8570
      3717 8573

$$

SCHOETTMER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 7:46 PM CDTSpecial Weather StatementLMKHart44 min
Aug 5, 8:43 PM CDTSpecial Weather StatementLMKHarrison47 min
Aug 5, 9:31 PM CDTSpecial Weather StatementLMKNicholas44 min
Aug 5, 10:54 PM CDTAreal Flood AdvisoryLMKHardin6 hr
Aug 5, 11:55 PM CDTSpecial Weather StatementLMKHart55 min
Aug 6, 1:02 AM CDTSpecial Weather StatementLMKGreen, Hart, Metcalfe88 min

Nearby

Flash Flood Warnings in Kentucky, 2012Every 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.