Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 34, NWS Indianapolis, IN

June 26, 2011Jackson County, Lawrence County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 26, 2011, 3:55 AM EDT for Jackson County, Lawrence 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
Jun 26, 2011, 3:55 AM EDT (07:55 UTC)
Expired
Jun 26, 2011, 7:00 AM EDT
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

Counties Jackson County, IN, Lawrence County, IN

The radar

The Louisville radar (KLVX), 93 km from the middle of the area, began a volume at 07:58 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, 7.9 hours before the alert went out and 234 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 2011-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLEL10008507005003002001001 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 2011-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 square meters per square second.193958Sfc1 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
14 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1507 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
71 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.

389 
WGUS53 KIND 260755
FFWIND
INC071-093-261100-
/O.NEW.KIND.FF.W.0034.110626T0755Z-110626T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
355 AM EDT SUN JUN 26 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...
  SOUTHWESTERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA...

* UNTIL 700 AM EDT

* AT 355 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RADAR ESTIMATES THAT OVER THREE INCHES OF RAIN FELL   
  IN SOUTHERN LAWERENCE COUNTY. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS
  OF SOUTHERN LAWRENCE AND SOUTHWESTERN JACKSON COUNTIES...INCLUDING
  THE TOWNS OF HURON...MEDORA...MITCHELL...PLEASANT VIEW...SPRING
  MILL STATE PARK...TUNNELTON AND WILLIAMS.

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. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

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.

&&

LAT...LON 3869 8668 3881 8668 3887 8612 3876 8612
      3876 8614 3878 8618 3876 8627 3874 8628
      3873 8631 3870 8631 3868 8658

$$

PUMA
1 follow-up statement
613 
WGUS73 KIND 260904
FFSIND

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
504 AM EDT SUN JUN 26 2011

INC071-093-261100-
/O.CON.KIND.FF.W.0034.000000T0000Z-110626T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON-LAWRENCE-
504 AM EDT SUN JUN 26 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHWESTERN JACKSON AND
SOUTHERN LAWRENCE COUNTIES UNTIL 700 AM EDT...

AT 501 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR 
ESTIMATES THAT 3 TO 4 INCH OF RAIN HAS FALLEN ACROSS SOUTHERN 
LAWERENCE AND SOUTHWESTERN JACKSON COUNTIES.

ALTHOUGH THE HEAVY RAIN HAS ENDED...RUNOFF FROM THIS EXCESSIVE 
RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. FLASH IS EXPECTED TO 
OCCUR OVER MAINLY RURAL AREAS OF SOUTHERN LAWRENCE AND SOUTHWESTERN 
JACKSON COUNTIES...INCLUDING THE TOWNS OF 
HURON...MEDORA...MITCHELL...SPRING MILL STATE PARK...TUNNELTON AND 
WILLIAMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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. TURN AROUND...DON/T DROWN!

&&

LAT...LON 3869 8668 3881 8668 3887 8612 3876 8612
      3876 8614 3878 8618 3876 8627 3874 8628
      3873 8631 3870 8631 3868 8658

$$

PUMA

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 1:41 AM EDTAreal Flood AdvisoryINDKnox3 hr
Jun 26, 1:54 AM EDTFlash Flood WarningINDDaviess, Knox4 hr
Jun 26, 3:06 AM EDTFlash Flood WarningINDMartin3 hr
Jun 26, 5:57 AM EDTAreal Flood WarningINDDaviess, Knox, Martin9 hr
Jun 26, 6:57 AM EDTAreal Flood WarningINDJackson, Lawrence8 hr
Jun 26, 8:38 AM EDTRiver Flood WarningINDKnox50 hr
Jun 26, 10:30 AM EDTRiver Flood WarningINDGibson, Knox, Posey5 days

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.