Alert archive / Indiana / Flash Flood Warnings in 2011

Flash Flood Warning 23, NWS Northern Indiana

July 24, 20114 counties in Indiana

NWS Northern Indiana issued this flash flood warning at Jul 24, 2011, 1:24 AM EDT for 4 counties in Indiana. It was in force for 6 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
Jul 24, 2011, 1:24 AM EDT (05:24 UTC)
Expired
Jul 24, 2011, 7:30 AM EDT
In force
6 hr
Issued by
NWS Northern Indiana
Area
Storm-based polygon
Flood severity
None

Counties Blackford County, IN, Grant County, IN, Huntington County, IN, Wells County, IN

The radar

The Northern Indiana radar (KIWX), 91 km from the middle of the area, began a volume at 05:24 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, 5.4 hours before the alert went out and 183 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 2011-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2855 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 2011-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
2855 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
994 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

978 
WGUS53 KIWX 240524
FFWIWX
INC009-053-069-179-240830-
/O.NEW.KIWX.FF.W.0023.110724T0524Z-110724T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
124 AM EDT SUN JUL 24 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN GRANT COUNTY IN CENTRAL INDIANA
  NORTHERN BLACKFORD COUNTY IN EAST CENTRAL INDIANA
  SOUTHEASTERN HUNTINGTON COUNTY IN NORTHEAST INDIANA
  SOUTHWESTERN WELLS COUNTY IN NORTHEAST INDIANA

* UNTIL 430 AM EDT

* AT 123 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM
  DILLMAN TO 16 MILES WEST OF WARREN...OR ALONG A LINE EXTENDING FROM
  10 MILES SOUTH OF BLUFFTON TO 8 MILES SOUTHEAST OF WABASH...MOVING
  SOUTHEAST AT 20 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PLUM
  TREE...BUCKEYE...ROCKFORD...MOUNT ZION...LIBERTY CENTER...WELLSBURG
  AND PONETO

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES 1.5 TO 3 INCHES OF 
RAIN HAD FALLEN QUICKLY OVER THE LAST 75 MINUTES. ADDITIONAL 
RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA 
THROUGH 230 AM EDT AND WILL LIKELY LEAD TO FLASH FLOODING OF SMALL 
CREEKS AND STREAMS.

PERSONS LIVING ALONG BLACK...OWL...PRAIRIE...SCUFFLE...AND ROCK 
CREEK SHOULD BE PREPARED TO SEEK HIGHER GROUND SHOULD FLASH FLOODING 
BE OBSERVED.

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

&&

LAT...LON 4056 8548 4068 8551 4081 8524 4052 8519
      4051 8520 4049 8520

$$
3 follow-up statements
214 
WGUS73 KIWX 240728
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
328 AM EDT SUN JUL 24 2011

INC009-053-069-179-240830-
/O.CON.KIWX.FF.W.0023.000000T0000Z-110724T0830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTINGTON IN-WELLS IN-GRANT IN-BLACKFORD IN-
328 AM EDT SUN JUL 24 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 430 AM EDT FOR
NORTHERN BLACKFORD...NORTHEASTERN GRANT...SOUTHWESTERN WELLS AND
SOUTHEASTERN HUNTINGTON COUNTIES...

ALTHOUGH THUNDERSTORMS HAD ENDED ACROSS THE WARNED AREA...EXCESSIVE 
RUNOFF FROM WIDESPREAD 3 TO 5 INCH RAINFALL AMOUNTS WILL CONTINUE TO 
PROMOTE FLOODING ALONG SMALL CREEKS AND STREAMS AND IN LOW LYING 
AREAS ESPECIALLY ALONG A LINE FROM MCNATTS TO MONTPELIER. 

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
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 4056 8548 4068 8551 4081 8524 4052 8519
      4051 8520 4049 8520

$$
977 
WGUS53 KIWX 240816
FFWIWX
INC009-053-069-179-241130-
/O.EXT.KIWX.FF.W.0023.000000T0000Z-110724T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
416 AM EDT SUN JUL 24 2011

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN GRANT COUNTY IN CENTRAL INDIANA
  NORTHERN BLACKFORD COUNTY IN EAST CENTRAL INDIANA
  SOUTHEASTERN HUNTINGTON COUNTY IN NORTHEAST INDIANA
  SOUTHWESTERN WELLS COUNTY IN NORTHEAST INDIANA

* UNTIL 730 AM EDT

* AT 411 AM EDT...LAW ENFORCEMENT OFFICIALS REPORTED WATER FLOWING   
  OVER STATE ROAD 3 ONE MILE NORTH OF THE WELLS...BLACKFORD COUNTY   
  LINE. ALTHOUGH THUNDERSTORMS HAD ENDED ACROSS THE WARNED           
  AREA...EXCESSIVE RUNOFF FROM WIDESPREAD 3 TO 5 INCH RAINFALL       
  AMOUNTS WILL CONTINUE TO PROMOTE FLOODING ALONG SMALL CREEKS AND   
  STREAMS AND IN LOW LYING AREAS ESPECIALLY ALONG A LINE FROM        
  MCNATTS TO MONTPELIER. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KEYSTONE...
  MCNATTS...WELLSBURG...ROCKFORD...MOUNT ZION...LIBERTY CENTER...
  DILLMAN...PONETO...BUCKEYE AND WARREN

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
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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

&&

LAT...LON 4056 8548 4068 8551 4081 8524 4052 8519
      4051 8520 4049 8520

$$
259 
WGUS73 KIWX 241134
FFSIWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
734 AM EDT SUN JUL 24 2011

INC009-053-069-179-241143-
/O.EXP.KIWX.FF.W.0023.000000T0000Z-110724T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HUNTINGTON IN-WELLS IN-GRANT IN-BLACKFORD IN-
734 AM EDT SUN JUL 24 2011

...THE FLASH FLOOD WARNING HAS EXPIRED FOR NORTHERN BLACKFORD...
NORTHEASTERN GRANT...SOUTHWESTERN WELLS AND SOUTHEASTERN HUNTINGTON
COUNTIES...

LOCAL OFFICIALS REPORT FLOODING HAS SUBSIDED. THEREFORE...THE 
WARNING HAS BEEN ALLOWED TO EXPIRE. ADDITIONAL SHOWERS AND 
THUNDERSTORMS WILL BE POSSIBLE INTO TONIGHT WITH HEAVY RAIN A THREAT 
ONCE AGAIN. 

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 4056 8548 4068 8551 4081 8524 4052 8519
      4051 8520 4049 8520

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 24, 12:56 AM EDTAreal Flood AdvisoryIWXAdams, Blackford, Grant, Huntington, Jay, Wells3 hr
Jul 24, 10:35 AM EDTSpecial Weather StatementIWXPulaski, Starke, White55 min
Jul 24, 5:28 PM EDTRip Current StatementIWX27 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.