Alert archive / Indiana / Flash Flood Watches in 2007

Flash Flood Watch 2, NWS Northern Indiana

August 23, 200721 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan

NWS Northern Indiana issued this flash flood watch at Aug 23, 2007, 10:12 PM EDT for 21 counties in Indiana; 8 counties in Ohio; 4 counties in Michigan. It was in force for 44 hr.

The area

The counties it named.

The facts

Issued
Aug 23, 2007, 10:12 PM EDT (02:12 UTC)
Expired
Aug 25, 2007, 6:00 PM EDT
In force
44 hr
Issued by
NWS Northern Indiana
Flood severity
None
All 33 counties

Adams County, IN, Allen County, IN, Blackford County, IN, Cass County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Grant County, IN, Huntington County, IN, Jay County, IN, LaGrange County, IN, Marshall County, IN, Miami County, IN, Noble County, IN, Pulaski County, IN, Starke County, IN, Steuben County, IN, Wabash County, IN, Wells County, IN, White County, IN, Whitley County, IN, Branch County, MI, Cass County, MI, Hillsdale County, MI, Saint Joseph County, MI, Allen County, OH, Defiance County, OH, Fulton County, OH, Henry County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH

The radar

The Northern Indiana radar (KIWX), 38 km from the middle of the area, began a volume at 02:12 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.

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 2.2 hours before the alert went out and 233 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, Detroit, MI at 00:00Z on 2007-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1685 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 00:00Z on 2007-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 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
1685 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

000 
WGUS63 KIWX 240212
FFAIWX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1012 PM EDT THU AUG 23 2007

...FLASH FLOODING AND ADDITIONAL LONG TERM FLOODING LIKELY THROUGH
EARLY SATURDAY MORNING...

.SEVERAL ROUNDS OF THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE
OCCURRED SINCE SUNDAY AUGUST 19 ACROSS NORTHERN INDIANA...
SOUTHERN MICHIGAN AND NORTHWEST OHIO. BETWEEN 6 AND 10 INCHES OF
TOTAL RAINFALL HAS FALLEN THROUGH THIS PERIOD WHICH HAS LEAD TO
MAJOR FLOODING IN SOME AREAS...ESPECIALLY ACROSS NORTHWEST OHIO.
RUNOFF FROM ADDITIONAL THUNDERSTORMS TONIGHT AND AGAIN FRIDAY AND
FRIDAY NIGHT WILL FURTHER EXACERBATE AND EXTEND THE ONGOING
FLOODING AND CREATE NEW FLOOD PROBLEMS. EVEN IF YOU DO NOT LIVE IN
AN AREA PRONE TO FLOODING...BE PREPARED IF FLOODING IS OBSERVED.

INZ003>009-012-014-016>018-MIZ077>080-241015-
/O.NEW.KIWX.FF.A.0002.070824T0212Z-070825T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-NOBLE-DE KALB-
STARKE-MARSHALL-KOSCIUSKO-WHITLEY-ALLEN IN-BERRIEN-CASS MI-
ST. JOSEPH MI-BRANCH-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...ANGOLA...
KENDALLVILLE...LIGONIER...AUBURN...GARRETT...KNOX...
NORTH JUDSON...PLYMOUTH...BREMEN...WARSAW...WINONA LAKE...
COLUMBIA CITY...SOUTH WHITLEY...FORT WAYNE...NILES...
BENTON HARBOR...ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS...
STURGIS...THREE RIVERS...COLDWATER
1012 PM EDT THU AUG 23 2007 /912 PM CDT THU AUG 23 2007/

...FLASH FLOOD WATCH IN EFFECT THROUGH LATE FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN INDIANA AND 
  SOUTHWEST MICHIGAN...INCLUDING THE FOLLOWING AREAS...IN 
  NORTHERN INDIANA...ALLEN IN...DE KALB...ELKHART...KOSCIUSKO...
  LA PORTE...LAGRANGE...MARSHALL...NOBLE...ST. JOSEPH IN...
  STARKE...STEUBEN AND WHITLEY. IN SOUTHWEST MICHIGAN...
  BERRIEN...BRANCH...CASS MI AND ST. JOSEPH MI.

* THROUGH LATE FRIDAY NIGHT

* ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL OVERNIGHT AND
  AGAIN FRIDAY AND FRIDAY NIGHT WILL LIKELY WORSEN EXISTING FLOOD
  PROBLEMS AND CREATE NEW FLASH FLOOD AND LONGER TERM FLOOD
  PROBLEMS.

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLOOD OR FLASH FLOOD WARNINGS BE ISSUED. YOU ARE
ENCOURAGED TO FOLLOW ANY EVACUATION ORDERS OR REQUESTS FROM
EMERGENCY AND FLOOD CONTROL PERSONNEL.

$$

INZ013-015-020-022>027-032>034-MIZ081-OHZ001-002-004-005-015-016-
024-025-241015-
/O.NEW.KIWX.FF.A.0002.070824T0600Z-070825T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PULASKI-FULTON IN-WHITE-CASS IN-MIAMI-WABASH-HUNTINGTON-WELLS-
ADAMS-GRANT-BLACKFORD-JAY-HILLSDALE-WILLIAMS-FULTON OH-DEFIANCE-
HENRY-PAULDING-PUTNAM-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...WINAMAC...FRANCESVILLE...ROCHESTER...
MONTICELLO...BROOKSTON...LOGANSPORT...PERU...WABASH...
NORTH MANCHESTER...HUNTINGTON...BLUFFTON...OSSIAN...DECATUR...
BERNE...MARION...HARTFORD CITY...MONTPELIER...PORTLAND...
HILLSDALE...BRYAN...WAUSEON...ARCHBOLD...DEFIANCE...NAPOLEON...
PAULDING...ANTWERP...OTTAWA...PANDORA...VAN WERT...DELPHOS...LIMA
1012 PM EDT THU AUG 23 2007

...FLASH FLOOD WATCH IN EFFECT FROM 2 AM EDT FRIDAY THROUGH LATE
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN INDIANA...SOUTHWEST 
  MICHIGAN AND NORTHWEST OHIO...INCLUDING THE FOLLOWING AREAS...
  IN NORTHERN INDIANA...ADAMS...BLACKFORD...CASS IN...FULTON 
  IN...GRANT...HUNTINGTON...JAY...MIAMI...PULASKI...WABASH...
  WELLS AND WHITE. IN SOUTHWEST MICHIGAN...HILLSDALE. IN 
  NORTHWEST OHIO...ALLEN OH...DEFIANCE...FULTON OH...HENRY...
  PAULDING...PUTNAM...VAN WERT AND WILLIAMS.

* FROM 2 AM EDT FRIDAY THROUGH LATE FRIDAY NIGHT

* ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL OVERNIGHT AND
  AGAIN FRIDAY AND FRIDAY NIGHT WILL LIKELY WORSEN EXISTING FLOOD
  PROBLEMS AND CREATE NEW FLASH FLOOD AND LONGER TERM FLOOD
  PROBLEMS.

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLOOD OR FLASH FLOOD WARNINGS BE ISSUED. YOU ARE
ENCOURAGED TO FOLLOW ANY EVACUATION ORDERS OR REQUESTS FROM
EMERGENCY AND FLOOD CONTROL PERSONNEL.

$$
4 follow-up statements
000 
WGUS63 KIWX 240952
FFAIWX

FLOOD WATCH
NATIONAL WEATHER SERVICE NORTHERN INDIANA
552 AM EDT FRI AUG 24 2007

...FLASH FLOODING AND ADDITIONAL LONG TERM FLOODING LIKELY
THROUGH EARLY SATURDAY MORNING...

.SEVERAL ROUNDS OF THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE
OCCURRED SINCE SUNDAY AUGUST 19 ACROSS NORTHERN INDIANA...
SOUTHERN MICHIGAN AND NORTHWEST OHIO. BETWEEN 6 AND 12 INCHES OF
TOTAL RAINFALL HAS FALLEN SINCE THEN...WHICH HAS ALREADY LEAD TO
MAJOR FLOODING IN SOME AREAS...ESPECIALLY ACROSS NORTHWEST OHIO.
TWO TO LOCALLY AS MUCH AS FIVE TO SIX INCHES OF ADDITIONAL
RAINFALL IS POSSIBLE THROUGH TONIGHT. RUNOFF FROM ADDITIONAL
THUNDERSTORMS THIS AFTERNOON THROUGH TONIGHT WILL FURTHER
EXACERBATE AND EXTEND THE ONGOING FLOODING AND CREATE NEW FLOOD
PROBLEMS. EVEN IF YOU DO NOT LIVE IN AN AREA PRONE TO
FLOODING...BE PREPARED IF FLOODING IS OBSERVED.

INZ003>009-012-014-016>018-MIZ077>080-241800-
/O.CON.KIWX.FF.A.0002.000000T0000Z-070825T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-NOBLE-DE KALB-
STARKE-MARSHALL-KOSCIUSKO-WHITLEY-ALLEN IN-BERRIEN-CASS MI-
ST. JOSEPH MI-BRANCH-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...ANGOLA...
KENDALLVILLE...LIGONIER...AUBURN...GARRETT...KNOX...
NORTH JUDSON...PLYMOUTH...BREMEN...WARSAW...WINONA LAKE...
COLUMBIA CITY...SOUTH WHITLEY...FORT WAYNE...NILES...
BENTON HARBOR...ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS...
STURGIS...THREE RIVERS...COLDWATER
552 AM EDT FRI AUG 24 2007 /452 AM CDT FRI AUG 24 2007/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN INDIANA AND SOUTHWEST MICHIGAN...
  INCLUDING THE FOLLOWING AREAS...IN NORTHERN INDIANA...ALLEN 
  IN...DE KALB...ELKHART...KOSCIUSKO...LA PORTE...LAGRANGE...
  MARSHALL...NOBLE...ST. JOSEPH IN...STARKE...STEUBEN AND 
  WHITLEY. IN SOUTHWEST MICHIGAN...BERRIEN...BRANCH...CASS MI 
  AND ST. JOSEPH MI.

* THROUGH LATE TONIGHT

* ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL WILL LIKELY WORSEN
  EXISTING FLOOD PROBLEMS AND CREATE NEW FLASH FLOODING AND EXTEND
  LONG TERM RIVER FLOOD PROBLEMS.

* IN ADDITION TO FLASH FLOODING OF SMALL STREAMS AND ROADS...LONGER
  TERM RIVER FLOODING CAN BE EXPECTED.

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLOOD OR FLASH FLOOD WARNINGS BE ISSUED. YOU ARE ENCOURAGED
TO FOLLOW ANY EVACUATION ORDERS OR REQUESTS FROM EMERGENCY AND
FLOOD CONTROL PERSONNEL.

IF YOU LIVE IN A FLOOD PRONE AREA OR NEAR A RECENTLY FLOODED
RIVER OR STREAM...DO NOT LET YOUR GUARD DOWN EVEN IF THE WATER
LEVELS ARE CURRENTLY RECEDING...ADDITIONAL RAINFALL MAY PUSH THE
RIVER LEVELS EVEN HIGHER LATER THIS WEEKEND AND EXTEND THE
FLOODING WELL INTO NEXT WEEK. SECONDARY CRESTS ALONG MANY RIVERS
MAY CAUSE MODERATE TO MAJOR FLOODING. 


$$

INZ013-015-020-022>027-032>034-MIZ081-OHZ001-002-004-005-015-016-
024-025-241800-
/O.CON.KIWX.FF.A.0002.000000T0000Z-070825T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PULASKI-FULTON IN-WHITE-CASS IN-MIAMI-WABASH-HUNTINGTON-WELLS-
ADAMS-GRANT-BLACKFORD-JAY-HILLSDALE-WILLIAMS-FULTON OH-DEFIANCE-
HENRY-PAULDING-PUTNAM-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...WINAMAC...FRANCESVILLE...ROCHESTER...
MONTICELLO...BROOKSTON...LOGANSPORT...PERU...WABASH...
NORTH MANCHESTER...HUNTINGTON...BLUFFTON...OSSIAN...DECATUR...
BERNE...MARION...HARTFORD CITY...MONTPELIER...PORTLAND...
HILLSDALE...BRYAN...WAUSEON...ARCHBOLD...DEFIANCE...NAPOLEON...
PAULDING...ANTWERP...OTTAWA...PANDORA...VAN WERT...DELPHOS...LIMA
552 AM EDT FRI AUG 24 2007

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN INDIANA...SOUTHWEST MICHIGAN AND 
  NORTHWEST OHIO...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
  INDIANA...ADAMS...BLACKFORD...CASS IN...FULTON IN...GRANT...
  HUNTINGTON...JAY...MIAMI...PULASKI...WABASH...WELLS AND WHITE. 
  IN SOUTHWEST MICHIGAN...HILLSDALE. IN NORTHWEST OHIO...ALLEN 
  OH...DEFIANCE...FULTON OH...HENRY...PAULDING...PUTNAM...VAN 
  WERT AND WILLIAMS.

* THROUGH LATE TONIGHT

* ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL WILL LIKELY WORSEN
  EXISTING FLOOD PROBLEMS AND CREATE NEW FLASH FLOODING AND EXTEND
  LONG TERM RIVER FLOOD PROBLEMS.

* IN ADDITION TO FLASH FLOODING OF SMALL STREAMS AND ROADS...
  LONGER TERM RIVER FLOODING CAN BE EXPECTED.

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLOOD OR FLASH FLOOD WARNINGS BE ISSUED. YOU ARE ENCOURAGED
TO FOLLOW ANY EVACUATION ORDERS OR REQUESTS FROM EMERGENCY AND
FLOOD CONTROL PERSONNEL. 

IF YOU LIVE IN A FLOOD PRONE AREA OR NEAR A RECENTLY FLOODED
RIVER OR STREAM...DO NOT LET YOUR GUARD DOWN EVEN IF THE WATER
LEVELS ARE CURRENTLY RECEDING...ADDITIONAL RAINFALL MAY PUSH THE
RIVER LEVELS EVEN HIGHER LATER THIS WEEKEND AND EXTEND THE
FLOODING WELL INTO NEXT WEEK. SECONDARY CRESTS ALONG MANY RIVERS
MAY CAUSE MODERATE TO MAJOR FLOODING. AN EXTENDED PERIOD OF MAJOR
TO NEAR RECORD FLOOD LEVELS ON THE BLANCHARD AND AUGLAIZE RIVER IN
NORTHWEST OHIO IS POSSIBLE.

$$

MURPHY
000 
WGUS63 KIWX 241746
FFAIWX

FLOOD WATCH
NATIONAL WEATHER SERVICE NORTHERN INDIANA
146 PM EDT FRI AUG 24 2007

...FLASH FLOODING AND ADDITIONAL LONG TERM FLOODING LIKELY
THROUGH EARLY SATURDAY MORNING...

.SEVERAL ROUNDS OF THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE
OCCURRED SINCE SUNDAY AUGUST 19 ACROSS NORTHERN INDIANA...
SOUTHERN MICHIGAN AND NORTHWEST OHIO. BETWEEN 6 AND 12 INCHES OF
TOTAL RAINFALL HAS FALLEN SINCE THEN...WHICH HAS ALREADY LEAD TO
MAJOR FLOODING IN SOME AREAS...ESPECIALLY ACROSS NORTHWEST OHIO.
TWO TO LOCALLY AS MUCH AS FIVE TO SIX INCHES OF ADDITIONAL
RAINFALL IS POSSIBLE THROUGH TONIGHT. RUNOFF FROM ADDITIONAL
THUNDERSTORMS THIS AFTERNOON THROUGH TONIGHT WILL FURTHER
EXACERBATE AND EXTEND THE ONGOING FLOODING AND CREATE NEW FLOOD
PROBLEMS. EVEN IF YOU DO NOT LIVE IN AN AREA PRONE TO FLOODING...
BE PREPARED IF FLOODING IS OBSERVED.

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-250215-
/O.CON.KIWX.FF.A.0002.000000T0000Z-070825T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-NOBLE-DE KALB-
STARKE-PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-WHITLEY-ALLEN IN-
WHITE-CASS IN-MIAMI-WABASH-HUNTINGTON-WELLS-ADAMS-GRANT-BLACKFORD-
JAY-BERRIEN-CASS MI-ST. JOSEPH MI-BRANCH-HILLSDALE-WILLIAMS-
FULTON OH-DEFIANCE-HENRY-PAULDING-PUTNAM-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...ANGOLA...
KENDALLVILLE...LIGONIER...AUBURN...GARRETT...KNOX...
NORTH JUDSON...WINAMAC...FRANCESVILLE...PLYMOUTH...BREMEN...
ROCHESTER...WARSAW...WINONA LAKE...COLUMBIA CITY...
SOUTH WHITLEY...FORT WAYNE...MONTICELLO...BROOKSTON...
LOGANSPORT...PERU...WABASH...NORTH MANCHESTER...HUNTINGTON...
BLUFFTON...OSSIAN...DECATUR...BERNE...MARION...HARTFORD CITY...
MONTPELIER...PORTLAND...NILES...BENTON HARBOR...ST. JOSEPH...
BUCHANAN...DOWAGIAC...CASSOPOLIS...STURGIS...THREE RIVERS...
COLDWATER...HILLSDALE...BRYAN...WAUSEON...ARCHBOLD...DEFIANCE...
NAPOLEON...PAULDING...ANTWERP...OTTAWA...PANDORA...VAN WERT...
DELPHOS...LIMA
146 PM EDT FRI AUG 24 2007 /1246 PM CDT FRI AUG 24 2007/

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN INDIANA...SOUTHWEST MICHIGAN AND 
  NORTHWEST OHIO...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
  INDIANA...ADAMS...ALLEN IN...BLACKFORD...CASS IN...DE KALB...
  ELKHART...FULTON IN...GRANT...HUNTINGTON...JAY...KOSCIUSKO...
  LA PORTE...LAGRANGE...MARSHALL...MIAMI...NOBLE...PULASKI...ST. 
  JOSEPH IN...STARKE...STEUBEN...WABASH...WELLS...WHITE AND 
  WHITLEY. IN SOUTHWEST MICHIGAN...BERRIEN...BRANCH...CASS MI...
  HILLSDALE AND ST. JOSEPH MI. IN NORTHWEST OHIO...ALLEN OH...
  DEFIANCE...FULTON OH...HENRY...PAULDING...PUTNAM...VAN WERT 
  AND WILLIAMS.

* THROUGH LATE TONIGHT

* ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL WILL LIKELY 
  WORSEN EXISTING FLOOD PROBLEMS AND CREATE NEW FLASH FLOODING 
  AND EXTEND LONG TERM RIVER FLOOD PROBLEMS. 

* IN ADDITION TO FLASH FLOODING OF SMALL STREAMS AND ROADS... 
  LONGER TERM RIVER FLOODING CAN BE EXPECTED. 

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLOOD OR FLASH FLOOD WARNINGS BE ISSUED. YOU ARE
ENCOURAGED TO FOLLOW ANY EVACUATION ORDERS OR REQUESTS FROM
EMERGENCY AND FLOOD CONTROL PERSONNEL.

IF YOU LIVE IN A FLOOD PRONE AREA OR NEAR A RECENTLY FLOODED
RIVER OR STREAM...DO NOT LET YOUR GUARD DOWN EVEN IF THE WATER
LEVELS ARE CURRENTLY RECEDING...ADDITIONAL RAINFALL MAY PUSH THE
RIVER LEVELS EVEN HIGHER LATER THIS WEEKEND AND EXTEND THE
FLOODING WELL INTO NEXT WEEK. SECONDARY CRESTS ALONG MANY RIVERS
MAY CAUSE MODERATE TO MAJOR FLOODING. AN EXTENDED PERIOD OF MAJOR
TO NEAR RECORD FLOOD LEVELS ON THE BLANCHARD AND AUGLAIZE RIVER
IN NORTHWEST OHIO IS POSSIBLE.

$$
000 
WGUS63 KIWX 250114
FFAIWX

FLOOD WATCH
NATIONAL WEATHER SERVICE NORTHERN INDIANA
914 PM EDT FRI AUG 24 2007

...FLASH FLOODING AND ADDITIONAL LONG TERM FLOODING LIKELY
THROUGH EARLY MORNING...

.SEVERAL ROUNDS OF THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE
OCCURRED SINCE SUNDAY ACROSS NORTHERN INDIANA... SOUTHERN
MICHIGAN AND NORTHWEST OHIO. TOTAL RAINFALL AMOUNTS BETWEEN 5 AND
10 INCHES HAVE FALLEN OVER MOST AREAS...WITH SOME AREAS RECEIVING
OVER 12 INCHES OF RAIN SINCE SUNDAY. THIS HEAVY RAINFALL HAS
ALREADY LEAD TO MAJOR FLOODING IN SOME AREAS...ESPECIALLY ACROSS
NORTHWEST OHIO. AN ADDITIONAL 1 TO 3 INCHES OF RAINFALL ARE
POSSIBLE OVERNIGHT WITH LOCALLY HIGHER AMOUNTS. RUNOFF FROM
RECENT THUNDERSTORMS IN ADDITION TO RAINFALL TONIGHT WILL FURTHER
EXACERBATE AND EXTEND THE ONGOING FLOODING AND CREATE NEW FLOOD
PROBLEMS. EVEN IF YOU DO NOT LIVE IN AN AREA PRONE TO FLOODING...
BE PREPARED IF FLOODING IS OBSERVED. 

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-
005-015-016-024-025-250915-
/O.CON.KIWX.FF.A.0002.000000T0000Z-070825T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-NOBLE-DE KALB-
STARKE-PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-WHITLEY-ALLEN IN-
WHITE-CASS IN-MIAMI-WABASH-HUNTINGTON-WELLS-ADAMS-GRANT-BLACKFORD-
JAY-BERRIEN-CASS MI-ST. JOSEPH MI-BRANCH-HILLSDALE-WILLIAMS-
FULTON OH-DEFIANCE-HENRY-PAULDING-PUTNAM-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...ANGOLA...
KENDALLVILLE...LIGONIER...AUBURN...GARRETT...KNOX...
NORTH JUDSON...WINAMAC...FRANCESVILLE...PLYMOUTH...BREMEN...
ROCHESTER...WARSAW...WINONA LAKE...COLUMBIA CITY...
SOUTH WHITLEY...FORT WAYNE...MONTICELLO...BROOKSTON...
LOGANSPORT...PERU...WABASH...NORTH MANCHESTER...HUNTINGTON...
BLUFFTON...OSSIAN...DECATUR...BERNE...MARION...HARTFORD CITY...
MONTPELIER...PORTLAND...NILES...BENTON HARBOR...ST. JOSEPH...
BUCHANAN...DOWAGIAC...CASSOPOLIS...STURGIS...THREE RIVERS...
COLDWATER...HILLSDALE...BRYAN...WAUSEON...ARCHBOLD...DEFIANCE...
NAPOLEON...PAULDING...ANTWERP...OTTAWA...PANDORA...VAN WERT...
DELPHOS...LIMA
914 PM EDT FRI AUG 24 2007 /814 PM CDT FRI AUG 24 2007/

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM EDT /5 AM CDT/
SATURDAY...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF NORTHERN INDIANA...SOUTHWEST MICHIGAN AND 
  NORTHWEST OHIO...INCLUDING THE FOLLOWING AREAS...IN NORTHERN 
  INDIANA...ADAMS...ALLEN IN...BLACKFORD...CASS IN...DE KALB...
  ELKHART...FULTON IN...GRANT...HUNTINGTON...JAY...KOSCIUSKO...
  LA PORTE...LAGRANGE...MARSHALL...MIAMI...NOBLE...PULASKI...ST. 
  JOSEPH IN...STARKE...STEUBEN...WABASH...WELLS...WHITE AND 
  WHITLEY. IN SOUTHWEST MICHIGAN...BERRIEN...BRANCH...CASS MI...
  HILLSDALE AND ST. JOSEPH MI. IN NORTHWEST OHIO...ALLEN OH...
  DEFIANCE...FULTON OH...HENRY...PAULDING...PUTNAM...VAN WERT 
  AND WILLIAMS.

* UNTIL 6 AM EDT /5 AM CDT/ SATURDAY

* ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL WILL LIKELY 
  WORSEN EXISTING FLOOD PROBLEMS AND CREATE NEW FLASH FLOODING 
  AND EXTEND LONG TERM RIVER FLOOD PROBLEMS. 

* IN ADDITION TO FLASH FLOODING OF SMALL STREAMS AND ROADS... 
  LONGER TERM RIVER FLOODING CAN BE EXPECTED. 

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
MOST FLOOD FATALITIES OCCUR IN VEHICLES AT NIGHT.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLOOD OR FLASH FLOOD WARNINGS BE ISSUED. YOU ARE
ENCOURAGED TO FOLLOW ANY EVACUATION ORDERS OR REQUESTS FROM
EMERGENCY AND FLOOD CONTROL PERSONNEL.

IF YOU LIVE IN A FLOOD PRONE AREA OR NEAR A RECENTLY FLOODED
RIVER OR STREAM...DO NOT LET YOUR GUARD DOWN EVEN IF THE WATER
LEVELS ARE CURRENTLY RECEDING...ADDITIONAL RAINFALL MAY PUSH THE
RIVER LEVELS EVEN HIGHER LATER THIS WEEKEND AND EXTEND THE
FLOODING WELL INTO NEXT WEEK. SECONDARY CRESTS ALONG MANY RIVERS
MAY CAUSE MODERATE TO MAJOR FLOODING. AN EXTENDED PERIOD OF MAJOR
TO NEAR RECORD FLOOD LEVELS ON THE BLANCHARD AND AUGLAIZE RIVER
IN NORTHWEST OHIO IS POSSIBLE.

$$
000 
WGUS63 KIWX 250823
FFAIWX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE NORTHERN INDIANA
423 AM EDT SAT AUG 25 2007

...ADDITIONAL FLOODING POSSIBLE TODAY...

.SEVERAL ROUNDS OF THUNDERSTORMS WITH VERY HEAVY RAINFALL HAVE
OCCURRED SINCE SUNDAY ACROSS NORTHERN INDIANA... SOUTHERN
MICHIGAN AND NORTHWEST OHIO. TOTAL RAINFALL AMOUNTS BETWEEN 5 AND
10 INCHES HAVE FALLEN OVER MOST AREAS...WITH SOME AREAS RECEIVING
OVER 12 INCHES OF RAIN SINCE SUNDAY. THIS HEAVY RAINFALL HAS
ALREADY LEAD TO MAJOR FLOODING IN SOME AREAS...ESPECIALLY ACROSS
NORTHWEST OHIO. 

AN ADDITIONAL 1 TO 2 INCHES OF RAINFALL ARE POSSIBLE ESPECIALLY
THIS AFTERNOON SOUTHEAST OF A LINE FROM MARION INDIANA TO BRYAN
OHIO. THEREFORE...THE FLOOD WATCH FOR THIS AREA HAS BEEN EXTENDED
THROUGH THIS AFTERNOON. 

INZ003>009-012>017-020-022>024-MIZ077>081-OHZ001-250930-
/O.CAN.KIWX.FF.A.0002.000000T0000Z-070825T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-NOBLE-DE KALB-
STARKE-PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-WHITLEY-WHITE-CASS IN-
MIAMI-WABASH-BERRIEN-CASS MI-ST. JOSEPH MI-BRANCH-HILLSDALE-
WILLIAMS-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...ANGOLA...
KENDALLVILLE...LIGONIER...AUBURN...GARRETT...KNOX...
NORTH JUDSON...WINAMAC...FRANCESVILLE...PLYMOUTH...BREMEN...
ROCHESTER...WARSAW...WINONA LAKE...COLUMBIA CITY...
SOUTH WHITLEY...MONTICELLO...BROOKSTON...LOGANSPORT...PERU...
WABASH...NORTH MANCHESTER...NILES...BENTON HARBOR...ST. JOSEPH...
BUCHANAN...DOWAGIAC...CASSOPOLIS...STURGIS...THREE RIVERS...
COLDWATER...HILLSDALE...BRYAN...MONTPELIER
423 AM EDT SAT AUG 25 2007 /323 AM CDT SAT AUG 25 2007/

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN INDIANA...
SOUTHWEST MICHIGAN AND NORTHWEST OHIO HAS BEEN CANCELLED.

ADDITIONAL RAINFALL IS POSSIBLE...BUT HEAVY RAINFALL IS NOT
EXPECTED. 

$$

INZ018-025>027-032>034-OHZ002-004-005-015-016-024-025-251600-
/O.EXT.KIWX.FF.A.0002.000000T0000Z-070825T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ALLEN IN-HUNTINGTON-WELLS-ADAMS-GRANT-BLACKFORD-JAY-FULTON OH-
DEFIANCE-HENRY-PAULDING-PUTNAM-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...FORT WAYNE...HUNTINGTON...BLUFFTON...
OSSIAN...DECATUR...BERNE...MARION...HARTFORD CITY...MONTPELIER...
PORTLAND...WAUSEON...ARCHBOLD...DEFIANCE...NAPOLEON...PAULDING...
ANTWERP...OTTAWA...PANDORA...VAN WERT...DELPHOS...LIMA
423 AM EDT SAT AUG 25 2007

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THIS AFTERNOON...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF NORTHERN INDIANA AND NORTHWEST OHIO...INCLUDING 
  THE FOLLOWING AREAS...IN NORTHERN INDIANA...ADAMS...ALLEN IN...
  BLACKFORD...GRANT...HUNTINGTON...JAY AND WELLS. IN NORTHWEST 
  OHIO...ALLEN OH...DEFIANCE...FULTON OH...HENRY...PAULDING...
  PUTNAM AND VAN WERT.

* THROUGH THIS AFTERNOON

* ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL WILL LIKELY WORSEN
  EXISTING FLOOD PROBLEMS AND HAS THE POTENTIAL TO CREATE NEW
  FLASH FLOODING AND EXTEND LONG TERM RIVER FLOOD PROBLEMS.

* IN ADDITION TO FLASH FLOODING OF SMALL STREAMS AND ROADS... 
  LONGER TERM RIVER FLOODING CAN BE EXPECTED. 

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.
MOST FLOOD FATALITIES OCCUR IN VEHICLES AT NIGHT.

IF YOU LIVE IN A FLOOD PRONE AREA OR NEAR A RECENTLY FLOODED
RIVER OR STREAM...DO NOT LET YOUR GUARD DOWN. EVEN IF THE WATER
LEVELS ARE CURRENTLY RECEDING...ADDITIONAL RAINFALL MAY PUSH THE
RIVER LEVELS EVEN HIGHER LATER THIS WEEKEND AND EXTEND THE
FLOODING WELL INTO NEXT WEEK. SECONDARY CRESTS ALONG MANY RIVERS
MAY CAUSE MODERATE TO MAJOR FLOODING. AN EXTENDED PERIOD OF MAJOR
TO NEAR RECORD FLOOD LEVELS ON THE BLANCHARD AND AUGLAIZE RIVER IN
NORTHWEST OHIO IS POSSIBLE.

$$

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Northern Indiana wrote its last area forecast discussion before this flash flood watch went out at Aug 23, 7:45 PM EDT, 2 hours 27 minutes earlier.

Area forecast discussion, Aug 23, 7:45 PM EDT, 2 hours 27 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTHERN INDIANA
745 PM EDT THU AUG 23 2007

.AVIATION...
VFR CONDITIONS EXPECTED FOR THE MOST PART ALTHOUGH MVFR CIGS AND
VSBYS WILL LIKELY BE REALIZED IN ANY THUNDERSTORMS.  2 MAIN AREAS
OF SHRA AND TSRA TO BE CONCERNED WITH AT 2330Z.  FIRST IS JUST
EXITING THE AREA TO THE NE.  THE 2ND PRECIP FIELD OVER NRN IL MOVING
E/NE SPARKED BY A SHORT/WV OVER IA/IL.  RADAR TRENDS AND FAVORABLE
THETA E AXIS SUGGEST THIS LINE OF STORMS WILL MOVE INTO SBN OVER THE
NEXT COUPLE OF HOURS SO HAVE INCLUDED A TEMPO GROUP.  NOT CONFIDENT
ENOUGH PRECIP WILL MAKE IT TO FWA SO HAVE INCLUDED CB...BUT NO
THUNDER MENTION AT THIS TIME.  WILL CONTINUE TO MONITOR.  ANOTHER
SHRT/WV SHOULD APPROACH THE AREA TOMORROW AFTERNOON...BUT HAVE LEFT
OUT OF TAFS ATTM SINCE IT IS IN THE LAST 6 HRS OF TAF PERIOD.

&&

.SHORT TERM...
FIRST SHORT TERM PERIOD CONCERN IS WITH SHRT/WV OVER IA/IL BORDER
SHOWN BY WV IMAGERY AT 19Z. INTENSE LINE OF STORMS BEING SPARKED BY
THIS SHRT/WV. STORMS MOVING AT ABOUT 40 TO 50 KTS E ACROSS NRN IL.
EXPECT THEM TO CONTINUE EWRD TRACK OVER NRN IL INTO CWA WHERE BEST
THETA E AXIS AND LOW 70S DEWPTS EXIST. AFTER THIS WAVE PASSES
THROUGH TONIGHT...A FRONTAL BOUNDARY SHOULD SET UP FROM NRN MO TO NW
IN/LWR MI. MODELS DIFFER ON FRONTAL PLACEMENT...BUT PREFER THE NAM
AS IT HAS THE MORE SRLY TRACK WHICH MATCHES UP WITH CURRENT
CONVECTIVE PATTERN. WITH BOUNDARY IN PLACE OVERNIGHT THROUGH
TOMORROW MORNING AND STRONG H85 JET NEARBY...HAVE LEFT POPS IN
THROUGH TOMORROW MORNING. ANOTHER STRONG SURGE OF
ENERGY/INSTABILITY WILL APPROACH THE REGION TOMORROW AFTERNOON AS A
SECOND SHRT/WV MOVES NE FROM THE SRN PLAINS INTO THE GRT LKS REGION.
WITH 2000 TO 2500 J/KG OF CAPE AND 45 TO 55 KTS OF 0 TO 6 KM BULK
SHEAR...T-STORMS POSSIBLY SEVERE LOOK PROMISING TOMORROW AFTERNOON.
HAVE UPPED POPS IN THIS TIME FRAME.

OTHER THAN THAT...ONLY MINOR TWEAKS TO SKY COVER AND TEMPS. MAY
NOT SEE QUITE AS MUCH DIURNAL HEATING AS TODAY IF CLOUDS STICK
AROUND AS PROGGED...SO HAVE KEPT HIGHS IN THE UPPER 80S NORTH TO
LOW 90S SOUTH.

&&

.LONG TERM...

FCST PERIOD BEGINS WITH SFC WAVE MOVING NE ALONG FRONTAL BOUNDARY
AND DRAG COLD FRONT INTO THE NW CWA FRI EVENING. THIS WILL BE
ACCOMPANIED BY STRONG UPPER SHORT WAVE MOVING ACROSS THE GREAT LAKES
REGION WITH A 50-60KT SPEED MAX MOVING THROUGH THE BASE OF THE
TROUGH NEAR OUR NORTHERN CWA. FCST SOUNDINGS INDICATING
UNIDIRECTIONAL WIND PROFILE SO ANTICIPATE A LINEAR MODE OF
CONVECTION ALONG THE FRONT WITH DAMAGING WINDS THE PRIMARY THREAT.
FRONT TO GRADUALLY WORK THROUGH DURING THE DAY SATURDAY SO WILL
CONTINUE TO LINGER SMALL CHANCE POPS THROUGH 00Z SUN. HIGH PRESSURE
TO BUILD IN OVER THE REGION SUNDAY BRINGING COOLER DRIER AIRMASS TO
THE AREA AND MUCH NEEDED DRY SPELL FOR A FEW DAYS. AFTER A BRIEF
COOL DOWN TO NEAR NORMAL TEMPS ON SUNDAY UPPER RIDGE OVER SOUTHERN
US WILL AGAIN BUILD BACK UP INTO THE REGION SO EXPECT TEMPS TO ONCE
AGAIN RETURN TO UPPER 80S TO NEAR 90 BEGINNING OF NEXT WEEK. NEXT
FRONT TO DROP DOWN INTO THE AREA BY MID WEEK FOR NEXT CHANCE OF
PRECIP.

&&

.IWX WATCHES/WARNINGS/ADVISORIES...
SEVERE THUNDERSTORM WATCH
IN...INC003-033-039-049-085-087-091-099-113-131-141-149-151-183.
MI...MIC021-023-027-059-149.
OH...OHC039-051-069-125-171.
LM...LMZ043-046-061.
&&

AVIATION...LAMMERS
SHORT TERM...LAMMERS
LONG TERM....LOGSDON
Hazardous weather outlook, Aug 23, 5:30 AM EDT, 16 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTHERN INDIANA
530 AM EDT THU AUG 23 2007

INZ003>009-012>018-020-022>027-032>034-MIZ077>081-OHZ001-002-004-005-
015-016-024-025-240930-
LA PORTE-ST. JOSEPH IN-ELKHART-LAGRANGE-STEUBEN-NOBLE-DE KALB-STARKE-
PULASKI-MARSHALL-FULTON IN-KOSCIUSKO-WHITLEY-ALLEN IN-WHITE-CASS IN-
MIAMI-WABASH-HUNTINGTON-WELLS-ADAMS-GRANT-BLACKFORD-JAY-BERRIEN-
CASS MI-ST. JOSEPH MI-BRANCH-HILLSDALE-WILLIAMS-FULTON OH-DEFIANCE-
HENRY-PAULDING-PUTNAM-VAN WERT-ALLEN OH-
INCLUDING THE CITIES OF...MICHIGAN CITY...LA PORTE...SOUTH BEND...
MISHAWAKA...ELKHART...GOSHEN...LAGRANGE...TOPEKA...ANGOLA...
KENDALLVILLE...LIGONIER...AUBURN...GARRETT...KNOX...NORTH JUDSON...
WINAMAC...FRANCESVILLE...PLYMOUTH...BREMEN...ROCHESTER...WARSAW...
WINONA LAKE...COLUMBIA CITY...SOUTH WHITLEY...FORT WAYNE...
MONTICELLO...BROOKSTON...LOGANSPORT...PERU...WABASH...
NORTH MANCHESTER...HUNTINGTON...BLUFFTON...OSSIAN...DECATUR...
BERNE...MARION...HARTFORD CITY...MONTPELIER...PORTLAND...NILES...
BENTON HARBOR...ST. JOSEPH...BUCHANAN...DOWAGIAC...CASSOPOLIS...
STURGIS...THREE RIVERS...COLDWATER...HILLSDALE...BRYAN...WAUSEON...
ARCHBOLD...DEFIANCE...NAPOLEON...PAULDING...ANTWERP...OTTAWA...
PANDORA...VAN WERT...DELPHOS...LIMA
530 AM EDT THU AUG 23 2007 /430 AM CDT THU AUG 23 2007/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST OHIO...
SOUTHWEST LOWER MICHIGAN AND NORTHERN INDIANA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED FOR THE FIRST HALF OF THIS
MORNING ALONG AND NORTH OF A KNOX INDIANA TO DEFIANCE OHIO LINE.
HEAVY RAIN WILL BE THE MAIN THREAT FROM THESE STORMS.
THUNDERSTORMS WILL BE POSSIBLE AGAIN FROM LATE AFTERNOON INTO
TONIGHT. IN ADDITION TO A CONTINUED THREAT FOR HEAVY RAINFALL...A
RISK FOR DAMAGING WINDS WILL EXIST WITH THE STRONGEST STORMS
PRIMARILY ALONG AND NORTH OF ROUTE 6. RIVER FLOODING WILL CONTINUE
OVER PORTIONS OF THE AREA... MAINLY IN NORTHWEST OHIO. REFER TO
THE LATEST RIVER FLOOD WARNINGS AND STATEMENTS FOR MORE
INFORMATION.

HOT AND HUMID CONDITIONS CAN BE EXPECTED THIS AFTERNOON ACROSS THE
AREA. HEAT INDICES WILL RANGE FROM 95 TO 100 DEGREES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A GOOD CHANCE OF THUNDERSTORMS...POSSIBLY SEVERE...FRIDAY
THROUGH SATURDAY. IN ADDITION THE THREAT FOR LOCALLY HEAVY
RAINFALL WILL CONTINUE. RIVER FLOODING WILL CONTINUE OVER PORTIONS
OF THE AREA AT LEAST INTO THE WEEKEND. REFER TO THE LATEST RIVER
FLOOD WARNINGS AND STATEMENTS FOR MORE INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. IN ADDITION...REPORTS OF
FLOODING WOULD BE APPRECIATED.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR
CHECK OUR WEB SITE AT WEATHER.GOV/IWX

LMZ043-046-061-240930-
NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI-
MICHIGAN CITY IN TO ST JOSEPH MI OUT TO MID LAKE-
530 AM EDT THU AUG 23 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHEASTERN LAKE
MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED OVER THE AREA THROUGH
TONIGHT. HEAVY RAINFALL AND GUSTY WINDS ARE POSSIBLE WITH THESE
STORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A GOOD CHANCE OF THUNDERSTORMS...POSSIBLY SEVERE...FRIDAY
THROUGH SATURDAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...OR
CHECK OUR WEB SITE AT WEATHER.GOV/IWX

In the hours before

Local storm report, Aug 23, 6:41 PM EDT, 3 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
641 PM EDT THU AUG 23 2007

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0625 PM     TSTM WND DMG     THREE RIVERS            41.94N  85.63W
08/23/2007                   ST. JOSEPH         MI   AMATEUR RADIO

            SEVERAL LARGE LIMBS AND POWER LINES DOWN...

&&

TCC
Local storm report, Aug 23, 6:46 PM EDT, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
646 PM EDT THU AUG 23 2007

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0630 PM     TSTM WND DMG     SHIPSHEWANA             41.67N  85.58W
08/23/2007                   LAGRANGE           IN   LAW ENFORCEMENT

            SEVERAL TREES DOWN

&&

TCC
Local storm report, Aug 23, 7:06 PM EDT, 3 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
706 PM EDT THU AUG 23 2007

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0519 PM     HAIL             MICHIGAN CITY           41.71N  86.88W
08/23/2007  M1.25 INCH       LA PORTE           IN   TRAINED SPOTTER

            DAMAGE TO CARS AND WINDOWS BROKEN OUT ON HOMES

&&

BML
Local storm report, Aug 23, 7:12 PM EDT, 3 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
712 PM EDT THU AUG 23 2007

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0655 PM     TSTM WND DMG     2 S UNION CITY          42.04N  85.14W
08/23/2007                   BRANCH             MI   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN

&&

TCC
Local storm report, Aug 23, 7:57 PM EDT, 2 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
757 PM EDT THU AUG 23 2007

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0722 PM     TSTM WND DMG     HILLSDALE               41.93N  84.64W
08/23/2007                   HILLSDALE          MI   LAW ENFORCEMENT

            TREE BLOWN DOWN ON CAR

&&

TCC
Special weather statement, Aug 23, 10:10 PM EDT, 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1010 PM EDT THU AUG 23 2007

INZ016>018-023>026-240300-
ALLEN-HUNTINGTON-KOSCIUSKO-MIAMI-WABASH-WELLS-WHITLEY-
1010 PM EDT THU AUG 23 2007

...SPECIAL WEATHER STATEMENT...

AT 1007 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THE LEADING EDGE OF STRONGER WINDS ALONG A LINE EXTENDING FROM 7
MILES NORTH OF PIERCETON TO NORTH MANCHESTER TO 11 MILES WEST OF
WABASH...MOVING EAST AT 50 MPH. THESE WINDS HAVE MOVED AHEAD OF A
LINE OF SHOWERS AND THUNDERSTORMS. WIND GUSTS TO 50 MPH CAN BE
EXPECTED AS THIS OUTFLOW RACES EAST.

LOCATIONS IN THE PATH INCLUDE...FORT WAYNE...WABASH...COLUMBIA
CITY...HUNTINGTON...OSSIAN...ETNA...LOON LAKE...PEABODY...WASHINGTON
CENTER...BLUE LAKE...RABER...CHURUBUSCO AND ARI.

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND.

SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
THURSDAY EVENING FOR NORTHERN INDIANA...SOUTHERN MICHIGAN AND
NORTHWESTERN OHIO.

FISHER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 8:46 PM EDTSevere Thunderstorm WarningIWXLaPorte, Starke59 min
Aug 23, 9:20 PM EDTSevere Thunderstorm WarningIWXSaint Joseph39 min
Aug 23, 9:46 PM EDTRiver Flood WarningIWXElkhart24 hr
Aug 23, 10:02 PM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Noble43 min
Aug 23, 10:21 PM EDTSevere Thunderstorm WarningIWXLaPorte, Pulaski, Starke39 min
Aug 23, 10:55 PM EDTSevere Thunderstorm WarningIWXMarshall20 min
Aug 24, 11:01 AM EDTRiver Flood WarningIWXElkhart, Saint Joseph11 hr
Aug 24, 12:01 PM EDTRiver Flood WarningIWXElkhart, Noble10 hr
Aug 24, 4:01 PM EDTSevere Thunderstorm WarningIWXElkhart, Kosciusko, Marshall49 min
Aug 24, 4:05 PM EDTSevere Thunderstorm WarningIWXLaGrange, Steuben55 min
Aug 24, 4:17 PM EDTSevere Thunderstorm WarningIWXWhite58 min
Aug 24, 4:29 PM EDTSevere Thunderstorm WarningIWXLaGrange, Noble61 min
Aug 24, 4:40 PM EDTSevere Thunderstorm WarningIWXWhitley49 min
Aug 24, 4:41 PM EDTSevere Thunderstorm WarningIWXCass, Fulton64 min
Aug 24, 5:00 PM EDTSevere Thunderstorm WarningIWXAllen, DeKalb, Steuben60 min
Aug 24, 5:02 PM EDTSevere Thunderstorm WarningIWXSteuben58 min
Aug 24, 5:06 PM EDTTornado WarningIWXDeKalb, Steuben32 min
Aug 24, 5:15 PM EDTSevere Thunderstorm WarningIWXCass, Miami60 min
Aug 24, 5:43 PM EDTSevere Thunderstorm WarningIWXAllen62 min
Aug 24, 5:50 PM EDTSevere Thunderstorm WarningIWXHuntington, Wabash47 min
Aug 24, 6:04 PM EDTSevere Thunderstorm WarningIWXGrant, Miami56 min
Aug 24, 6:19 PM EDTSevere Thunderstorm WarningIWXAdams, Wells56 min
Aug 24, 6:42 PM EDTSevere Thunderstorm WarningIWXAllen49 min
Aug 24, 6:53 PM EDTSevere Thunderstorm WarningIWXBlackford, Wells37 min
Aug 24, 5:27 PM EDTSevere Thunderstorm WarningIWXDefiance, Williams63 min
Aug 24, 5:46 PM EDTSevere Thunderstorm WarningIWXFulton59 min
Aug 24, 6:02 PM EDTTornado WarningIWXFulton, Williams43 min
Aug 24, 6:07 PM EDTSevere Thunderstorm WarningIWXHenry46 min
Aug 23, 8:05 PM EDTSevere Thunderstorm WarningIWXBerrien40 min

Nearby

Flash Flood Watches in Indiana, 2007Flash Flood Watches in Ohio, 2007Flash Flood Watches in Michigan, 2007Every flash flood watch in 2007

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.