Alert archive / Indiana / Flash Flood Warnings in 2012

Flash Flood Warning 32, NWS Louisville, KY

August 9, 2012Crawford County, Orange County, Indiana

NWS Louisville, KY issued this flash flood warning at Aug 9, 2012, 4:33 PM EDT for Crawford County, Orange County, Indiana. 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 9, 2012, 4:33 PM EDT (20:33 UTC)
Expired: Aug 9, 2012, 6:49 PM EDT
In force: 2 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: None

Counties Crawford County, IN, Orange County, IN

The radar

The Louisville radar (KLVX), 70 km from the middle of the area, began a volume at 20:34 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

Nashville Metro, TN (KBNA), launched 12:00Z, 8.6 hours before the alert went out and 252 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: 2387 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1138 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 14 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

626 
WGUS53 KLMK 092033
FFWLMK
INC025-117-092335-
/O.NEW.KLMK.FF.W.0032.120809T2033Z-120809T2335Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
433 PM EDT THU AUG 9 2012

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN CRAWFORD COUNTY IN SOUTH CENTRAL INDIANA...
  SOUTHERN ORANGE COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 735 PM EDT

* AT 429 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAINFALL FROM A THUNDERSTORM OVER THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...ENGLISH...

  IN ADDITION...YOUNGS CREEK...VALEENE AND PINE VALLEY ARE INCLUDED
  IN THIS FLASH FLOOD WARNING.

  FLASH FLOOD PRONE AREAS IN THIS WARNING...
  LOW LYING AREA AT INTERSECTION OF HIGHWAY 164 AND REASON DEEL ROAD.
  SYCAMORE CREEK OVERFLOWS ALSTOTT ROAD AND BROWN CEMETARY ROAD.

ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

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

&&

LAT...LON 3847 8669 3849 8636 3828 8627 3828 8668

$$

RS

2 follow-up statements

433 
WGUS73 KLMK 092201
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
601 PM EDT THU AUG 9 2012

INC117-092209-
/O.CAN.KLMK.FF.W.0032.000000T0000Z-120809T2335Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ORANGE IN-
601 PM EDT THU AUG 9 2012

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

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

LAT...LON 3839 8668 3839 8632 3828 8627 3828 8628
      3828 8668

$$

INC025-092335-
/O.CON.KLMK.FF.W.0032.000000T0000Z-120809T2335Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD IN-
601 PM EDT THU AUG 9 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 735 PM EDT FOR
NORTHERN CRAWFORD COUNTY...

AT 558 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN OVER THE WARNED 
AREA.

* LOCATIONS IMPACTED INCLUDE...
  ENGLISH...

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

  FLASH FLOOD PRONE AREAS IN THIS WARNING...
  LOW LYING AREA AT INTERSECTION OF HIGHWAY 164 AND REASON DEEL ROAD.
  SYCAMORE CREEK OVERFLOWS ALSTOTT ROAD AND BROWN CEMETARY ROAD.

MODERATE TO HEAVY RAINFALL CONTINUES FROM GRANTSBURG TO RICEVILLE. 
ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH 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 SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR POST YOUR REPORT TO
THE NATIONAL WEATHER SERVICE LOUISVILLE FACEBOOK PAGE.

&&

LAT...LON 3839 8668 3839 8632 3828 8627 3828 8628
      3828 8668

$$

RS

029 
WGUS73 KLMK 092249
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
649 PM EDT THU AUG 9 2012

INC025-092259-
/O.CAN.KLMK.FF.W.0032.000000T0000Z-120809T2335Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAWFORD IN-
649 PM EDT THU AUG 9 2012

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN CRAWFORD
COUNTY...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND ARE NO LONGER
PRODUCING HEAVY RAIN.

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

LAT...LON 3839 8668 3839 8632 3828 8627 3828 8628
      3828 8668

$$

RS

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 2:48 PM EDT	Special Weather Statement	LMK	Crawford	27 min
Aug 9, 3:00 PM EDT	Special Weather Statement	LMK	Orange, Washington	30 min
Aug 9, 3:18 PM EDT	Special Weather Statement	LMK	Floyd, Harrison	27 min
Aug 9, 3:30 PM EDT	Special Weather Statement	LMK	Orange, Scott, Washington	45 min
Aug 9, 3:43 PM EDT	Severe Thunderstorm Warning	LMK	Jefferson, Scott	32 min
Aug 9, 3:47 PM EDT	Areal Flood Advisory	LMK	Orange	118 min
Aug 9, 3:58 PM EDT	Areal Flood Advisory	LMK	Crawford, Harrison	2 hr
Aug 9, 3:58 PM EDT	Severe Thunderstorm Warning	LMK	Clark, Scott	32 min
Aug 9, 4:04 PM EDT	Special Weather Statement	LMK	Crawford	31 min
Aug 9, 5:54 PM EDT	Special Weather Statement	LMK	Dubois	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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.