Alert archive / Indiana / Flash Flood Warnings in 2012

Flash Flood Warning 24, NWS Louisville, KY

July 24, 2012Perry County, Indiana

NWS Louisville, KY issued this flash flood warning at Jul 24, 2012, 4:43 PM CDT for Perry County, Indiana. It was in force for 3 hr. 1 report 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 24, 2012, 4:43 PM CDT (21:43 UTC)
Expired: Jul 24, 2012, 7:40 PM CDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

County Perry County, IN

The radar

The Louisville radar (KLVX), 68 km from the middle of the area, began a volume at 21:42 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 24, 5:30 PM CDT	FLASH FLOOD	6 N Tell City, IN	DEBRIS WASHED ACROSS HIGHWAY 15

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 12:00Z, 9.7 hours before the alert went out and 212 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: 1324 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 1062 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 76 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

334 
WGUS53 KLMK 242143
FFWLMK
INC123-250040-
/O.NEW.KLMK.FF.W.0024.120724T2143Z-120725T0040Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
443 PM CDT TUE JUL 24 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL PERRY COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 740 PM CDT

* AT 438 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
VERY HEAVY RAINFALL FROM TRAINING THUNDERSTORMS OVER THE WARNED 
AREA. RADAR RAINFALL ESTIMATES INDICATE 2 TO 4 INCHES OF RAIN HAS 
FALLEN IN THE WARNING AREA WHICH IS EXPECTED TO CAUSE FLOODING 
PROBLEMS.

* LOCATIONS IMPACTED INCLUDE MAINLY RURAL AREAS OF CENTRAL PERRY
  COUNTY...INCLUDING GATCHEL.

  FLASH FLOOD PRONE AREAS IN THIS WARNING...
  WINDY CREEK OVERFLOWS ASHTREE ROAD.
  COOPER BRANCH OVERFLOWS ATWOOD ROAD.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

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 3810 8672 3800 8659 3794 8672 3802 8679
      3807 8678

$$

AMS

2 follow-up statements

525 
WGUS73 KLMK 242358
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
658 PM CDT TUE JUL 24 2012

INC123-250040-
/O.CON.KLMK.FF.W.0024.000000T0000Z-120725T0040Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PERRY IN-
658 PM CDT TUE JUL 24 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 740 PM CDT FOR
CENTRAL PERRY COUNTY...

AT 657 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER THE WARNED 
AREA. BRUSHY FORK...KRAUS CREEK...THEIS CREEK...AND MIDDLE FORK 
ANDERSON RIVER WILL EXPERIENCE ELEVATED WATER FLOW DUE TO EXCESS 
RUNOFF. BE ADVISED IF TRAVELING IN THESE AREAS.


* LOCATIONS IMPACTED INCLUDE MAINLY RURAL AREAS OF CENTRAL PERRY
  COUNTY....INCLUDING GATCHEL.

  FLASH FLOOD PRONE AREAS IN THIS WARNING...
  WINDY CREEK OVERFLOWS ASHTREE ROAD.
  COOPER BRANCH OVERFLOWS ATWOOD ROAD.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA WITHIN THE NEXT 60 MINUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
TUESDAY EVENING FOR WESTERN KENTUCKY.

&&

LAT...LON 3810 8672 3800 8659 3794 8672 3802 8679
      3807 8678

$$

MP

167 
WGUS73 KLMK 250043
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
743 PM CDT TUE JUL 24 2012

INC123-250051-
/O.EXP.KLMK.FF.W.0024.000000T0000Z-120725T0040Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PERRY IN-
743 PM CDT TUE JUL 24 2012

...THE FLASH FLOOD WARNING HAS EXPIRED FOR CENTRAL PERRY COUNTY...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED 
AREA. EXCESSIVE RUNOFF FROM PREVIOUS STORMS HAS ENDED. WATER IN AREA 
CREEKS AND RIVERS...PARTICULARLY THE BRUSHY FORK AND MIDDLE FORK 
ANDERSON RIVER...MAY STILL BE RUNNING AT HIGH LEVELS.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
TUESDAY EVENING FOR WESTERN KENTUCKY.

LAT...LON 3810 8672 3800 8659 3794 8672 3802 8679
      3807 8678

$$

MP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 2:46 PM CDT	Heat Advisory	LMK	Clark, Crawford, Dubois, Floyd, Harrison, Jefferson and 4 more	29 hr
Jul 24, 3:46 PM CDT	Special Weather Statement	LMK	Perry	44 min
Jul 24, 4:18 PM CDT	Areal Flood Advisory	LMK	Perry	3 hr
Jul 24, 4:35 PM CDT	Severe Thunderstorm Warning	LMK	Perry	45 min
Jul 24, 6:59 PM CDT	Special Weather Statement	LMK	Clark, Floyd	31 min

Nearby

Flash Flood Warnings in Indiana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.