Alert archive / Indiana / Flash Flood Warnings in 2012

Flash Flood Warning 10, NWS Louisville, KY

March 15, 2012Harrison County, Orange County, Washington County, Indiana

NWS Louisville, KY issued this flash flood warning at Mar 15, 2012, 11:55 PM EDT for Harrison County, Orange County, Washington County, Indiana. It was in force for 3 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: Mar 15, 2012, 11:55 PM EDT (03:55 UTC)
Expired: Mar 16, 2012, 2:45 AM EDT
In force: 3 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Harrison County, IN, Orange County, IN, Washington County, IN

The radar

The Louisville radar (KLVX), 48 km from the middle of the area, began a volume at 03:56 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 00:00Z, 3.9 hours before the alert went out and 233 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: 1754 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 815 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 196 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.

586 
WGUS53 KLMK 160355
FFWLMK
INC061-117-175-160645-
/O.NEW.KLMK.FF.W.0010.120316T0355Z-120316T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1155 PM EDT THU MAR 15 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN HARRISON COUNTY IN SOUTH CENTRAL INDIANA...
  NORTHEASTERN ORANGE COUNTY IN SOUTH CENTRAL INDIANA...
  SOUTHWESTERN WASHINGTON COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 245 AM EDT

* AT 1151 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED VERY HEAVY RAINFALL FROM THUNDERSTORMS OVER THE WARNED   
  AREA. THE STORMS WERE MOVING VERY SLOWLY AND CONTINUING TO         
  REGENERATE OVER THE SAME AREA.

* LOCATIONS IMPACTED INCLUDE...CORYDON...ORLEANS...ORGAN             
  SPRINGS...AND HANCOCK CHAPEL.

  IN ADDITION...LIVONIA...LEIPSIC AND LOTTICK CORNER ARE INCLUDED IN
  THIS FLASH FLOOD WARNING.

  FLASH FLOOD PRONE AREA IN THIS WARNING...
  INTERSECTION OF APPLE LANE AND KINGS LANE OVERFLOWS DUE TO LOW     
  LYING AREA. ALSO...THE LOST RIVER MAY OVERFLOW ONTO HIGHWAY 337 IN 
  ORANGE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY.
MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

TO REPORT FLOODING TO THE NATIONAL WEATHER SERVICE...CALL TOLL FREE
AT...1...8 7 7...6 3 3...6 7 7 2...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3836 8603 3833 8603 3828 8599 3828 8597
      3824 8595 3819 8596 3819 8591 3817 8590
      3812 8612 3836 8627 3835 8626 3842 8626
      3841 8631 3869 8653 3869 8632 3873 8631
      3875 8629

$$

13

2 follow-up statements

701 
WGUS73 KLMK 160456
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1256 AM EDT FRI MAR 16 2012

INC061-117-175-160645-
/O.CON.KLMK.FF.W.0010.000000T0000Z-120316T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON IN-ORANGE IN-HARRISON IN-
1256 AM EDT FRI MAR 16 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM EDT FOR
NORTHERN HARRISON...NORTHEASTERN ORANGE AND SOUTHWESTERN WASHINGTON
COUNTIES...

AT 1251 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER THE 
WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  CORYDON...

  IN ADDITION...STAMPERS CREEK...TROTTER CROSSING AND SYRIA ARE
  INCLUDED IN THIS FLASH FLOOD WARNING.

  FLASH FLOOD PRONE AREA IN THIS WARNING...
  INTERSECTION OF APPLE LANE AND KINGS LANE OVERFLOWS DUE TO LOW     
  LYING AREA. ALSO...CORYDON RAMSEY ROAD COLLECTS WATER JUST NORTH   
  OF QUARRY ROAD IN HARRISON COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT
TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 3836 8603 3833 8603 3828 8599 3828 8597
      3824 8595 3819 8596 3819 8591 3817 8590
      3812 8612 3836 8627 3835 8626 3842 8626
      3841 8631 3869 8653 3869 8632 3873 8631
      3875 8629

$$

13

828 
WGUS73 KLMK 160605
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
205 AM EDT FRI MAR 16 2012

INC061-117-175-160645-
/O.CON.KLMK.FF.W.0010.000000T0000Z-120316T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON IN-ORANGE IN-HARRISON IN-
205 AM EDT FRI MAR 16 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 245 AM EDT FOR
NORTHERN HARRISON...NORTHEASTERN ORANGE AND SOUTHWESTERN WASHINGTON
COUNTIES...

AT 201 AM EDT...RAINFALL RATES HAD DECREASED...BUT LIGHT RAIN WAS 
CONTINUING THROUGHOUT THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  CORYDON...

  IN ADDITION...STAMPERS CREEK...TROTTER CROSSING AND SYRIA ARE
  INCLUDED IN THIS FLASH FLOOD WARNING.

  FLASH FLOOD PRONE AREA IN THIS WARNING...
  INTERSECTION OF APPLE LANE AND KINGS LANE OVERFLOWS DUE TO LOW
  LYING AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT
TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 3836 8603 3833 8603 3828 8599 3828 8597
      3824 8595 3819 8596 3819 8591 3817 8590
      3812 8612 3836 8627 3835 8626 3842 8626
      3841 8631 3869 8653 3869 8632 3873 8631
      3875 8629

$$

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 11:17 PM EDT	Areal Flood Advisory	LMK	Harrison, Orange, Washington	3 hr
Mar 15, 11:25 PM EDT	Special Weather Statement	LMK	Perry	35 min
Mar 15, 11:31 PM EDT	Severe Thunderstorm Warning	LMK	Perry	29 min
Mar 16, 12:00 AM EDT	Special Weather Statement	LMK	Perry	30 min
Mar 16, 12:19 AM EDT	Severe Thunderstorm Warning	LMK	Crawford, Perry	26 min
Mar 16, 12:20 AM EDT	Areal Flood Advisory	LMK	Crawford, Harrison, Perry	3 hr
Mar 16, 1:43 AM EDT	Areal Flood Advisory	LMK	Crawford, Harrison, Orange, Perry	116 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.