Alert archive / Indiana / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS Wilmington, OH

March 15, 2012Carroll County, Gallatin County, Owen County, Kentucky; 4 counties in Indiana

NWS Wilmington, OH issued this flash flood warning at Mar 15, 2012, 6:06 PM EDT for Carroll County, Gallatin County, Owen County, Kentucky; 4 counties in Indiana. It was in force for 2 hr. 2 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: Mar 15, 2012, 6:06 PM EDT (22:06 UTC)
Expired: Mar 15, 2012, 8:28 PM EDT
In force: 2 hr
Issued by: NWS Wilmington, OH
Area: Storm-based polygon
Flood severity: None

Counties Dearborn County, IN, Ohio County, IN, Ripley County, IN, Switzerland County, IN, Carroll County, KY, Gallatin County, KY, Owen County, KY

The radar

The Louisville radar (KLVX), 108 km from the middle of the area, began a volume at 22:06 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
Mar 15, 6:17 PM EDT	FLOOD	Owenton, KY	HIGH WATER ACROSS CULL ROAD
Mar 15, 7:00 PM EDT	FLOOD	Warsaw, KY	HIGH WATER ALONG HIGHWAY 42 WEST.

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

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.1 hours before the alert went out and 139 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: 1236 J/kg
Mixed-layer CIN: -110 J/kg
Mixed-layer LCL: 1005 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

438 
WGUS51 KILN 152206
FFWILN
INC029-115-137-155-KYC041-077-187-160100-
/O.NEW.KILN.FF.W.0002.120315T2206Z-120316T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
606 PM EDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CARROLL COUNTY IN NORTHERN KENTUCKY...
  SOUTHWESTERN GALLATIN COUNTY IN NORTHERN KENTUCKY...
  NORTHWESTERN OWEN COUNTY IN NORTHERN KENTUCKY...
  SOUTHWESTERN DEARBORN COUNTY IN SOUTHEAST INDIANA...
  OHIO COUNTY IN SOUTHEAST INDIANA...
  SOUTHEASTERN RIPLEY COUNTY IN SOUTHEAST INDIANA...
  SWITZERLAND COUNTY IN SOUTHEAST INDIANA...

* UNTIL 900 PM EDT.

* AT 603 PM EDT...RADAR INDICATED THAT THUNDERSTORMS HAD PRODUCED    
  HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR ESTIMATED 2 TO 3  
  INCHES OF RAIN HAD FALLEN ACROSS PARTS OF THE AREA SINCE 4 PM. 

* HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA WITH ANOTHER   
  1 TO LOCALLY 2 INCHES POSSIBLE THROUGH 900 PM EDT. RUNOFF FROM     
  THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...AURORA...
CARROLLTON...DILLSBORO...OWENTON...VEVAY AND WARSAW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ACT QUICKLY TO PROTECT YOUR LIFE IF YOU ARE IN A LOW LYING AREA...
ALONG A CREEK...STREAM OR IN AN AREA EXPERIENCING FLOODING. MOVE TO
HIGHER GROUND IMMEDIATELY.

NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. ONLY A FEW INCHES
OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. FIND AN
ALTERNATE ROUTE OR WAIT UNTIL THE WATER RECEDES.

&&

LAT...LON 3847 8496 3849 8500 3851 8499 3850 8501
      3851 8504 3856 8501 3856 8507 3859 8509
      3859 8511 3870 8520 3904 8521 3912 8492
      3891 8488 3851 8477 3845 8491 3846 8493
      3844 8496

$$

1 follow-up statement

786 
WGUS71 KILN 160028
FFSILN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
828 PM EDT THU MAR 15 2012

INC029-115-137-155-KYC041-077-187-160035-
/O.CAN.KILN.FF.W.0002.000000T0000Z-120316T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SWITZERLAND IN-OHIO IN-DEARBORN IN-RIPLEY IN-OWEN KY-CARROLL KY-
GALLATIN KY-
828 PM EDT THU MAR 15 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHWESTERN
GALLATIN...CARROLL...NORTHWESTERN OWEN...SOUTHEASTERN RIPLEY...
SOUTHWESTERN DEARBORN...OHIO AND SWITZERLAND COUNTIES HAS BEEN
CANCELLED...

STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING 
TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

SOME LIGHT RAIN SHOWERS MAY PERSIST THROUGH THE EVENING HOURS...BUT 
ADDITIONAL WIDESPREAD HEAVY RAIN IS NOT ANTICIPATED THROUGH 
MIDNIGHT. 

LAT...LON 3847 8496 3849 8500 3851 8499 3850 8501
      3851 8504 3856 8501 3856 8507 3859 8509
      3859 8511 3870 8520 3904 8521 3912 8492
      3891 8488 3851 8477 3845 8491 3846 8493
      3844 8496

$$

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 15, 4:38 AM EDT	Special Weather Statement	ILN	Greenup	37 min
Mar 15, 6:03 AM EDT	Special Weather Statement	ILN	Lewis	27 min
Mar 15, 8:55 AM EDT	Special Weather Statement	ILN	Carroll, Gallatin, Grant	65 min
Mar 15, 10:11 AM EDT	Special Weather Statement	ILN	Boone, Kenton	49 min
Mar 15, 10:27 AM EDT	Areal Flood Advisory	ILN	Boone, Campbell, Kenton	3 hr
Mar 15, 10:51 AM EDT	Special Weather Statement	ILN	Bracken, Mason	54 min
Mar 15, 3:51 PM EDT	Flash Flood Watch	ILN	Boone, Bracken, Campbell, Carroll, Gallatin, Grant and 6 more	14 hr
Mar 15, 4:51 PM EDT	Special Weather Statement	ILN	Boone, Campbell, Carroll, Gallatin, Grant, Kenton and 2 more	69 min
Mar 15, 5:06 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Carroll, Gallatin, Grant	39 min
Mar 15, 5:15 PM EDT	Severe Thunderstorm Warning	ILN	Grant, Owen	45 min
Mar 15, 5:39 PM EDT	Areal Flood Advisory	ILN	Boone, Carroll, Gallatin, Grant, Kenton, Owen and 1 more	3 hr
Mar 15, 5:40 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Carroll, Gallatin, Grant, Owen	35 min
Mar 15, 5:45 PM EDT	Severe Thunderstorm Warning	ILN	Bracken, Pendleton	45 min
Mar 15, 5:59 PM EDT	Severe Thunderstorm Warning	ILN	Boone, Gallatin, Grant, Kenton, Owen	46 min
Mar 15, 6:09 PM EDT	Severe Thunderstorm Warning	ILN	Bracken, Mason, Pendleton, Robertson	36 min
Mar 15, 6:22 PM EDT	Areal Flood Advisory	ILN	Bracken, Campbell, Kenton, Mason, Pendleton, Robertson	3 hr
Mar 15, 6:29 PM EDT	Severe Thunderstorm Warning	ILN	Bracken, Campbell, Kenton, Pendleton	46 min
Mar 15, 7:15 PM EDT	Special Weather Statement	ILN	Lewis, Mason	60 min
Mar 15, 9:34 AM EDT	Special Weather Statement	ILN	Fayette, Union	41 min
Mar 15, 4:29 PM EDT	Special Weather Statement	ILN	Ohio	61 min
Mar 15, 5:46 PM EDT	Severe Thunderstorm Warning	ILN	Fayette, Union, Wayne	44 min
Mar 15, 6:24 PM EDT	Special Weather Statement	ILN	Union, Wayne	51 min

Nearby

Flash Flood Warnings in Indiana, 2012 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.