Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 39, NWS Louisville, KY

May 2, 2011Clark County, Scott County, Washington County, Indiana

NWS Louisville, KY issued this flash flood warning at May 2, 2011, 4:12 AM EDT for Clark County, Scott County, Washington County, Indiana. It was in force for 3 hr. 4 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
May 2, 2011, 4:12 AM EDT (08:12 UTC)
Expired
May 2, 2011, 6:53 AM EDT
In force
3 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Clark County, IN, Scott County, IN, Washington County, IN

The radar

The Louisville radar (KLVX), 82 km from the middle of the area, began a volume at 08:12 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

TimeReportWhereRemark
May 2, 4:20 AM EDTFLASH FLOODSalem, INRISING WATER HAS FORCED CLOSURE OF 3 ROADS IN SALEM. WATER IS ALSO RISING ALONG STATE HIGHWAY 56 WEST OF LIVONIA.
May 2, 6:30 AM EDTFLASH FLOODBorden, INWATER SPILLING OUT OF BORDEN RESERVOIR... FLOODING SMALL ROADS AND BRIDGES ALONG MUDDY FORK.
May 2, 6:30 AM EDTFLASH FLOODNew Pekin, INBLUE RIVER OUT OF BANKS FLOODING ROADS AND BRIDGES.
May 2, 6:35 AM EDTFLOOD2 Sse Livonia, INSPOTTER CALLED IN REPORT OF WATER OVER ROAD SOUTH OF MENNONITE SCHOOL ON HARDINSBURG ROAD.

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 00:00Z, 8.2 hours before the alert went out and 197 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, Cncnati-Daytn, OH at 00:00Z on 2011-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 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, Cncnati-Daytn, OH at 00:00Z on 2011-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.19395878Sfc1 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
101 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
20 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.

694 
WGUS53 KLMK 020812
FFWLMK
INC019-143-175-021115-
/O.NEW.KLMK.FF.W.0039.110502T0812Z-110502T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
412 AM EDT MON MAY 2 2011

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN CLARK COUNTY IN SOUTH CENTRAL INDIANA...
  SCOTT COUNTY IN SOUTH CENTRAL INDIANA...
  WASHINGTON COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 715 AM EDT

* AT 406 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  ONE TO TWO INCHES OF RAIN HAD FALLEN FROM MULTIPLE THUNDERSTORMS   
  MOVING OVER THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...SALEM...SCOTTSBURG...

  IN ADDITION...HENRYVILLE...OTISCO AND PUMPKIN CENTER ARE INCLUDED
  IN THIS FLASH FLOOD WARNING.

AN ADDITIONAL ONE TO TWO INCHES OF RAIN WILL FALL OVER THE WARNED 
AREA. THE COMBINED RAIN LIKELY WILL PRODUCE FLASH FLOODING. SOME 
AREA ROADWAYS THAT HAVE HAD FLASH FLOODING IN THE PAST INCLUDE OLD 
HIGHWAY 160 ALONG THE BLUE RIVER EAST OF SALEM...VIENNA ROAD AND 
HIGHWAY 356 BOTH BETWEEN LEOTA AND GOSHEN...HENRYVILLE-OTISCO ROAD 
ALONG THE SILVER CREEK.

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 3881 8569 3874 8569 3870 8565 3867 8558
      3861 8558 3842 8572 3842 8631 3873 8633
      3875 8631 3879 8619 3879 8609 3875 8599
      3876 8592 3873 8590 3873 8587 3881 8581
      3883 8572

$$

RS
2 follow-up statements
680 
WGUS73 KLMK 020935
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
535 AM EDT MON MAY 2 2011

INC019-143-175-021115-
/O.CON.KLMK.FF.W.0039.000000T0000Z-110502T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SCOTT IN-WASHINGTON IN-CLARK IN-
535 AM EDT MON MAY 2 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 AM EDT FOR
NORTHWESTERN CLARK...WASHINGTON AND SCOTT COUNTIES...

AT 526 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE LIGHT TO MODERATE RAINS WITH A FEW RUMBLES OF 
THUNDER...PRODUCING A CONTINUED THREAT FOR FLASH FLOODING  OVER THE 
WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  SALEM...
  SCOTTSBURG...

  IN ADDITION...MOUNT CARMEL...WOOSTER AND PLATTSBURG ARE INCLUDED IN
  THIS FLASH FLOOD WARNING.

RADAR ESTIMATES ALONG WITH OBSERVING STATIONS IN THE WARNED AREA 
INDICATE THAT ANYWHERE FROM ONE TO FOUR INCHES OF RAIN HAS FALLEN 
OVER THE PAST FEW HOURS. A FEW ROADWAYS LIKELY HAVING PROBLEMS WITH 
THIS RAINFALL INCLUDE...VINCENNES TRAIL ROAD NEAR BECKS 
MILL...HIGHWAY 356 IN VIENNA...AND HIGHWAY 56 EAST OF SCOTTSBURG.

ADDITIONAL RAINFALL AMOUNTS OF A QUARTER TO A HALF INCH 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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
LOUISVILLE.

&&

LAT...LON 3881 8569 3874 8569 3870 8565 3867 8558
      3861 8558 3842 8572 3842 8631 3873 8633
      3875 8631 3879 8619 3879 8609 3875 8599
      3876 8592 3873 8590 3873 8587 3881 8581
      3883 8572

$$

RS
694 
WGUS73 KLMK 021053
FFSLMK

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
653 AM EDT MON MAY 2 2011

INC019-143-175-021102-
/O.CAN.KLMK.FF.W.0039.000000T0000Z-110502T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SCOTT IN-WASHINGTON IN-CLARK IN-
653 AM EDT MON MAY 2 2011

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
CLARK...WASHINGTON AND SCOTT COUNTIES...

THE STORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND ARE NO LONGER 
PRODUCING HEAVY RAIN. HOWEVER...PONDING TO MINOR FLOODING OF AREA 
ROADWAYS LIKELY WILL CONTINUE THROUGH THE MORNING RUSH HOUR. THUS AN 
AREAL FLOOD WARNING IS IN EFFECT.

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 3881 8569 3874 8569 3870 8565 3867 8558
      3861 8558 3842 8572 3842 8631 3873 8633
      3875 8631 3879 8619 3879 8609 3875 8599
      3876 8592 3873 8590 3873 8587 3881 8581
      3883 8572

$$

RS

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 1:13 AM EDTAreal Flood AdvisoryLMKCrawford, Dubois, Orange, Washington6 hr
May 2, 2:38 AM EDTFlash Flood WarningLMKCrawford, Dubois, Orange3 hr
May 2, 4:52 AM EDTFlash Flood WarningLMKHarrison2 hr
May 2, 4:54 AM EDTSpecial Weather StatementLMKFloyd, Harrison36 min
May 2, 5:23 AM EDTAreal Flood WarningLMKCrawford, Dubois, Orange3 hr
May 2, 6:51 AM EDTAreal Flood WarningLMKClark, Harrison, Scott, Washington3 hr
May 2, 8:02 AM EDTRiver Flood WarningLMKJefferson, Scott41 hr
May 2, 8:04 AM EDTAreal Flood WarningLMKCrawford, Dubois, Orange, Perry6 hr
May 2, 9:40 AM EDTAreal Flood WarningLMKClark, Harrison, Washington4 hr
May 2, 11:03 AM EDTRiver Flood WarningLMKHarrison, Washington24 hr
May 2, 2:02 PM EDTAreal Flood WarningLMKClark, Crawford, Dubois, Floyd, Harrison, Jefferson and 4 more27 hr

Nearby

Flash Flood Warnings in Indiana, 2011Every flash flood warning in 2011

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.