Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 21, NWS Northern Indiana

July 2, 2011Pulaski County, White County, Indiana

NWS Northern Indiana issued this flash flood warning at Jul 2, 2011, 8:43 PM EDT for Pulaski County, White County, Indiana. It was in force for 6 hr. 2 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
Jul 2, 2011, 8:43 PM EDT (00:43 UTC)
Expired
Jul 3, 2011, 2:30 AM EDT
In force
6 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Pulaski County, IN, White County, IN

The radar

The Northern Indiana radar (KIWX), 114 km from the middle of the area, began a volume at 00:45 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
Jul 2, 9:45 PM EDTHEAVY RAIN 2.28Nw Buffalo, INSTORM TOTAL
Jul 2, 11:00 PM EDTFLASH FLOODMonticello, INEXTENSIVE FLOODING REPORTED ACROSS THE COUNTY. SEVERAL ROADS HAVE BEEN CLOSED.

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, 0.7 hours before the alert went out and 167 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 2011-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5007 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, Lincoln, IL at 00:00Z on 2011-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
5007 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1004 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
47 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.

929 
WGUS53 KIWX 030043
FFWIWX
INC131-181-030630-
/O.NEW.KIWX.FF.W.0021.110703T0043Z-110703T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
ISSUED BY NATIONAL WEATHER SERVICE INDIANAPOLIS IN
843 PM EDT SAT JUL 2 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL PULASKI COUNTY IN NORTHWEST INDIANA...
  WHITE COUNTY IN NORTHWEST INDIANA...

* UNTIL 230 AM EDT/130 AM CDT/

* AT 842 PM EDT/742 PM CDT/...NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS
  THE WARNED AREA. DOPPLER RADAR HAS ESTIMATED UP TO 4 INCHES OF     
  RAIN HAS FALLEN OVER PARTS OF THE WARNED AREA.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MONTICELLO...MONON AND WOLCOTT.

LAT...LON 4103 8669 4080 8664 4073 8669 4073 8675
      4070 8675 4068 8674 4066 8677 4062 8677
      4057 8709 4072 8710

$$

JAS
2 follow-up statements
920 
WGUS73 KIWX 030310
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1110 PM EDT SAT JUL 2 2011

INC131-181-030630-
/O.CON.KIWX.FF.W.0021.000000T0000Z-110703T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PULASKI IN-WHITE IN-
1110 PM EDT SAT JUL 2 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM EDT/130 AM
CDT/ FOR WHITE AND SOUTH CENTRAL PULASKI COUNTIES...

AT 1108 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATES 
THAT BETWEEN 2 AND 4 INCHES OF RAIN HAS FALLEN EARLIER THIS EVENING 
ACROSS MUCH OF WHITE COUNTY INTO THE SOUTH CENTRAL AND SOUTHEAST 
PORTIONS OF PULASKI COUNTIES. THE THREAT OF ADDITIONAL HEAVY 
RAINFALL HAS ENDED...HOWEVER RUNOFF FROM THIS VERY HEAVY RAINFALL 
WILL CONTINUE TO POSE A THREAT OF FLASH FLOODING THROUGH THE EARLY 
MORNING HOURS.

AT 1100 PM EDT...LAW ENFORCEMENT IN WHITE COUNTY REPORTED EXTENSIVE 
FLOODING ACROSS THE COUNTY WITH SEVERAL ROADS CLOSED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

IF YOU HAVE FLOODING TO REPORT...YOU CAN CALL YOUR LOCAL LAW 
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 4103 8669 4080 8664 4073 8669 4073 8675
      4070 8675 4068 8674 4066 8677 4062 8677
      4057 8709 4072 8710

$$
027 
WGUS73 KIWX 030624
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
224 AM EDT SUN JUL 3 2011

INC131-181-030634-
/O.EXP.KIWX.FF.W.0021.000000T0000Z-110703T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PULASKI IN-WHITE IN-
224 AM EDT SUN JUL 3 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 230 AM EDT/130 AM CDT/ FOR
WHITE AND SOUTH CENTRAL PULASKI COUNTIES...

THE RISK FOR FLASH FLOODING HAS ENDED ACROSS THE AREA...THEREFORE 
THE WARNING WILL BE ALLOWED TO EXPIRE. LAW ENFORCEMENT OFFICIALS IN 
WHITE COUNTY REPORTED NUMEROUS ROADS STILL CLOSED BY SLOWLY 
RECEEDING WATER. A FLOOD WARNING WILL BE ISSUED SHORTLY FOR WHITE 
COUNTY. 

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

IF YOU HAVE FLOODING TO REPORT...YOU CAN CALL YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4103 8669 4080 8664 4073 8669 4073 8675
      4070 8675 4068 8674 4066 8677 4062 8677
      4057 8709 4072 8710

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 8:01 PM EDTFlash Flood WarningIWXCass, Fulton, Kosciusko, Miami, Pulaski, Wabash and 1 more6 hr
Jul 2, 8:11 PM EDTSevere Thunderstorm WarningIWXWhite34 min
Jul 2, 8:22 PM EDTSevere Thunderstorm WarningIWXHuntington, Wabash38 min
Jul 2, 9:00 PM EDTSevere Thunderstorm WarningIWXWhite33 min
Jul 2, 9:25 PM EDTFlash Flood WarningIWXWhite5 hr
Jul 3, 2:28 AM EDTAreal Flood WarningIWXWhite9 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.