Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 32, NWS Indianapolis, IN

June 26, 2011Daviess County, Knox County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jun 26, 2011, 1:54 AM EDT for Daviess County, Knox County, Indiana. It was in force for 4 hr. 1 report 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
Jun 26, 2011, 1:54 AM EDT (05:54 UTC)
Expired
Jun 26, 2011, 6:00 AM EDT
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

Counties Daviess County, IN, Knox County, IN

The radar

The Evansville,IN radar (KVWX), 47 km from the middle of the area, began a volume at 05:58 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.

What was reported inside it

TimeReportWhereRemark
Jun 26, 2:21 AM EDTFLASH FLOODVincennes, INWATER GOING INTO BUSINESSES AT 10TH AND MAIN STREET IN VINCENNES WHERE APPROXIMATELY WATER WAS 2 1/2 FEET DEEP. REPORT VIA NWS CHAT.

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

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.9 hours before the alert went out and 198 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, Lincoln, IL at 00:00Z on 2011-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lincoln, IL at 00:00Z on 2011-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1094 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
189 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

460 
WGUS53 KIND 260554
FFWIND
INC027-083-261000-
/O.NEW.KIND.FF.W.0032.110626T0554Z-110626T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DAVIESS COUNTY IN SOUTHWEST INDIANA...
  KNOX COUNTY IN SOUTHWEST INDIANA...

* UNTIL 600 AM EDT

* AT 154 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RADAR ESTIMATES THAT OVER 2 INCHES OF RAIN HAS FALLEN 
  IN THE PAST HOUR IN THE WARNED AREA.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  VINCENNES AND WASHINGTON.

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 3841 8773 3850 8769 3851 8765 3854 8767
      3859 8764 3874 8750 3878 8751 3878 8750
      3886 8756 3890 8754 3890 8691 3877 8694
      3852 8694 3853 8717 3855 8719 3854 8736
      3852 8738 3854 8740 3849 8757

$$

PUMA
1 follow-up statement
001 
WGUS73 KIND 260759
FFSIND

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

INC027-083-261000-
/O.CON.KIND.FF.W.0032.000000T0000Z-110626T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAVIESS-KNOX-
359 AM EDT SUN JUN 26 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR DAVIESS AND KNOX
COUNTIES UNTIL 600 AM EDT...

AT 358 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 
RADAR ESTIMATES THAT 3 TO 4 INCHES OF RAIN HAS FALLEN IN THE PAST 3 
HOURS OVER KNOX AND DAVIESS COUNTIES.

ALTHOUGH HEAVY RAINFALL HAS ENDED...RUNOFF FROM THIS EXCESSIVE 
RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT 
WILL EXPERIENCE FLASH FLOODING INCLUDE...VINCENNES AND WASHINGTON.

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.

&&

LAT...LON 3841 8773 3850 8769 3851 8765 3854 8767
      3859 8764 3874 8750 3878 8751 3878 8750
      3886 8756 3890 8754 3890 8691 3877 8694
      3852 8694 3853 8717 3855 8719 3854 8736
      3852 8738 3854 8740 3849 8757

$$

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, 3:06 AM EDTFlash Flood WarningINDMartin3 hr
Jun 26, 3:55 AM EDTFlash Flood WarningINDJackson, Lawrence3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.