Alert archive / Louisiana / Flash Flood Watches in 2012

Flash Flood Watch 8, NWS New Orleans, LA

July 19, 20125 counties in Mississippi; 13 parishes in Louisiana

NWS New Orleans, LA issued this flash flood watch at Jul 19, 2012, 3:37 PM CDT for 5 counties in Mississippi; 13 parishes in Louisiana. It was in force for 49 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 2012, 3:37 PM CDT (20:37 UTC)
Expired
Jul 21, 2012, 4:11 PM CDT
In force
49 hr
Issued by
NWS New Orleans, LA
Flood severity
None

Counties Assumption Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Iberville Parish, LA, Pointe Coupee Parish, LA, Saint Bernard Parish, LA, Saint Helena Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, West Baton Rouge Parish, LA, West Feliciana Parish, LA, Amite County, MS, Pearl River County, MS, Pike County, MS, Walthall County, MS, Wilkinson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.6 hours before the alert went out and 108 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, Slidell Radar S, LA at 12:00Z on 2012-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2009 joules per kilogram.LCLLFCEL10008507005003002001001 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, Slidell Radar S, LA at 12:00Z on 2012-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
2009 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
654 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
79 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.

711 
WGUS64 KLIX 192037
FFALIX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE NEW ORLEANS LA
337 PM CDT THU JUL 19 2012

...A FLASH FLOOD WATCH IS NOW IN EFFECT UNTIL FRIDAY EVENING...

.A VERY UNSETTLED WEATHER PATTERN ACROSS THE GULF STATES WILL BE
FAVORABLE FOR HEAVY RAINFALL DEVELOPMENT THROUGH THE WEEKEND.
HEAVY RAINS TODAY WILL HAVE SATURATED THE SOILS TO INCREASE THE
RISK OF RAPID RUNOFF FOR FUTURE RAIN. ANOTHER ROUND OF WIDESPREAD
HEAVY RAINFALL IS EXPECTED FRIDAY WHICH CAN PRODUCE FLOODING
RATHER QUICKLY. THE FLASH FLOOD WATCH MAY NEED TO EXTENDED IN TIME
AND AREA AT A LATER TIME FOR SATURDAY AND SUNDAY. 

LAZ039-040-058-060>064-071-072-MSZ070-071-077-080>082-200445-
/O.NEW.KLIX.FF.A.0008.120719T2037Z-120721T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON-ST. TAMMANY-ST. JOHN THE BAPTIST-ST. CHARLES-
UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-
NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL...
MANDEVILLE...COVINGTON...LACOMBE...LAPLACE...RESERVE...
DESTREHAN...NORCO...METAIRIE...KENNER...NEW ORLEANS...
BELLE CHASSE...CHALMETTE...VIOLET...AMITE...KENTWOOD...HAMMOND...
PONCHATOULA...MCCOMB...TYLERTOWN...PICAYUNE...BAY ST. LOUIS...
WAVELAND...DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA...
OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN
337 PM CDT THU JUL 19 2012

...FLASH FLOOD WATCH IN EFFECT THROUGH FRIDAY EVENING...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF SOUTHEAST LOUISIANA AND 
  SOUTHERN MISSISSIPPI...INCLUDING THE FOLLOWING AREAS...IN 
  SOUTHEAST LOUISIANA...NORTHERN TANGIPAHOA...ORLEANS... 
  SOUTHERN TANGIPAHOA...ST. CHARLES...ST. JOHN THE BAPTIST... 
  ST. TAMMANY...UPPER JEFFERSON...UPPER PLAQUEMINES...UPPER ST. 
  BERNARD AND WASHINGTON. IN SOUTHERN MISSISSIPPI...HANCOCK... 
  HARRISON...JACKSON...PEARL RIVER...PIKE AND WALTHALL. 

* THROUGH FRIDAY EVENING

* EFFICIENT TROPICAL TYPE RAINS WILL BE CAPABLE OF PRODUCING
  RAINFALL RATES OF 2 TO 3 INCHES PER HOUR AT TIMES THIS AFTERNOON
  AND EVENING. A SIMILAR SCENARIO IS EXPECTED TO DEVELOP ONCE
  AGAIN FRIDAY. GENERAL RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES IS
  EXPECTED WITH LOCALLY HIGHER AMOUNTS OF 6 TO 8 INCHES POSSIBLE
  THROUGH FRIDAY EVENING IN THE WATCH AREA. 

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID PONDING OF WATER.
  DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL DURING PERIODS
  OF TORRENTIAL RAINS. SOME ROADWAYS WILL COME IMPASSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS. 

&&

$$

24/RR
8 follow-up statements
655 
WGUS64 KLIX 200304
FFALIX

FLOOD WATCH
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1004 PM CDT THU JUL 19 2012

...A FLASH FLOOD WATCH IN EFFECT UNTIL FRIDAY EVENING FOR PORTIONS
OF SOUTH MISSISSIPPI AND SOUTHEAST LOUISIANA...

.A VERY UNSETTLED WEATHER PATTERN ACROSS THE GULF STATES WILL BE
FAVORABLE FOR HEAVY RAINFALL DEVELOPMENT INTO THE WEEKEND. THE
SOIL HAS BECOME SATURATED IN SOME AREAS DUE TO RECENT HEAVY RAINS.
THIS HAS INCREASED THE RISK FOR RAPID RUNOFF OF ADDITIONAL RAINFALL.
ANOTHER ROUND OF WIDESPREAD HEAVY RAINFALL IS EXPECTED FRIDAY
WHICH MAY PRODUCE FLOODING RATHER QUICKLY. THE FLASH FLOOD WATCH
MAY NEED TO BE EXTENDED IN TIME AND AREA AT A LATER TIME FOR
SATURDAY AND SUNDAY.

LAZ039-040-058-060>064-071-072-MSZ070-071-077-080>082-201115-
/O.CON.KLIX.FF.A.0008.000000T0000Z-120721T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON-ST. TAMMANY-ST. JOHN THE BAPTIST-ST. CHARLES-
UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-
NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL...
MANDEVILLE...COVINGTON...LACOMBE...LAPLACE...RESERVE...
DESTREHAN...NORCO...METAIRIE...KENNER...NEW ORLEANS...
BELLE CHASSE...CHALMETTE...VIOLET...AMITE...KENTWOOD...HAMMOND...
PONCHATOULA...MCCOMB...TYLERTOWN...PICAYUNE...BAY ST. LOUIS...
WAVELAND...DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA...
OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN
1004 PM CDT THU JUL 19 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... 
  INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... 
  NORTHERN TANGIPAHOA...ORLEANS...SOUTHERN TANGIPAHOA...ST. 
  CHARLES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER 
  JEFFERSON...UPPER PLAQUEMINES...UPPER ST. BERNARD AND 
  WASHINGTON. IN SOUTHERN MISSISSIPPI...HANCOCK...HARRISON... 
  JACKSON...PEARL RIVER...PIKE AND WALTHALL. 

* THROUGH FRIDAY EVENING

* WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING HEAVY
  RAINFALL WILL AGAIN BE POSSIBLE FRIDAY. GENERAL RAINFALL
  ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH LOCALLY HIGHER
  AMOUNTS OF 6 TO 8 INCHES POSSIBLE THROUGH FRIDAY EVENING IN THE
  WATCH AREA.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID PONDING OF WATER.
  DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL DURING PERIODS
  OF TORRENTIAL RAINS. SOME ROADWAYS MAY BECOME IMPASSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$
672 
WGUS64 KLIX 200855
FFALIX

FLOOD WATCH
NATIONAL WEATHER SERVICE NEW ORLEANS LA
355 AM CDT FRI JUL 20 2012

...A FLASH FLOOD WATCH IN EFFECT UNTIL FRIDAY EVENING FOR
PORTIONS OF SOUTH MISSISSIPPI AND SOUTHEAST LOUISIANA...

.A VERY UNSETTLED WEATHER PATTERN REMAINS ACROSS THE GULF STATES
AND WILL CONTINUE TO BE FAVORABLE FOR HEAVY RAINFALL DEVELOPMENT
INTO THE WEEKEND. THE SOIL HAS BECOME SATURATED IN SOME AREAS DUE
TO RECENT HEAVY RAINS. THIS HAS INCREASED THE RISK FOR RAPID
RUNOFF OF ADDITIONAL RAINFALL. ANOTHER ROUND OF WIDESPREAD HEAVY
RAINFALL IS EXPECTED TODAY WHICH MAY PRODUCE FLOODING RATHER
QUICKLY. THE FLASH FLOOD WATCH MAY NEED TO BE EXTENDED IN TIME AND
AREA LATER TODAY FOR SATURDAY AND SUNDAY.

LAZ039-040-058-060>064-071-072-MSZ070-071-077-080>082-201700-
/O.CON.KLIX.FF.A.0008.000000T0000Z-120721T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON-ST. TAMMANY-ST. JOHN THE BAPTIST-ST. CHARLES-
UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-
NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL...
MANDEVILLE...COVINGTON...LACOMBE...LAPLACE...RESERVE...
DESTREHAN...NORCO...METAIRIE...KENNER...NEW ORLEANS...
BELLE CHASSE...CHALMETTE...VIOLET...AMITE...KENTWOOD...HAMMOND...
PONCHATOULA...MCCOMB...TYLERTOWN...PICAYUNE...BAY ST. LOUIS...
WAVELAND...DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA...
OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN
355 AM CDT FRI JUL 20 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... 
  INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... 
  NORTHERN TANGIPAHOA...ORLEANS...SOUTHERN TANGIPAHOA...ST. 
  CHARLES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER 
  JEFFERSON...UPPER PLAQUEMINES...UPPER ST. BERNARD AND 
  WASHINGTON. IN SOUTHERN MISSISSIPPI...HANCOCK...HARRISON... 
  JACKSON...PEARL RIVER...PIKE AND WALTHALL. 

* THROUGH THIS EVENING

* WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING HEAVY
  RAINFALL WILL AGAIN BE POSSIBLE TODAY. GENERAL RAINFALL
  ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH LOCALLY HIGHER
  AMOUNTS OF 6 TO 8 INCHES POSSIBLE THROUGH TONIGHT IN THE WATCH
  AREA.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID PONDING OF WATER. 
  DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL DURING 
  PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY BECOME 
  IMPASSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$
811 
WGUS64 KLIX 202050
FFALIX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE NEW ORLEANS LA
350 PM CDT FRI JUL 20 2012

...A FLASH FLOOD WATCH IN EFFECT UNTIL SATURDAY EVENING FOR
PORTIONS OF SOUTH MISSISSIPPI AND SOUTHEAST LOUISIANA...

.A VERY UNSETTLED WEATHER PATTERN REMAINS ACROSS THE GULF STATES
AND WILL CONTINUE TO BE FAVORABLE FOR HEAVY RAINFALL DEVELOPMENT
INTO THE WEEKEND. THE SOIL HAS BECOME SATURATED IN SOME AREAS DUE
TO RECENT HEAVY RAINS. THIS HAS INCREASED THE RISK FOR RAPID
RUNOFF OF ADDITIONAL RAINFALL. ANOTHER ROUND OF WIDESPREAD HEAVY
RAINFALL IS EXPECTED TODAY WHICH MAY PRODUCE FLOODING RATHER
QUICKLY. THE FLASH FLOOD WATCH MAY NEED TO BE EXTENDED IN TIME
AND AREA FOR SUNDAY.

LAZ059-065>070-210600-
/O.EXB.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UPPER LAFOURCHE-UPPER TERREBONNE-LOWER TERREBONNE-LOWER LAFOURCHE-
LOWER JEFFERSON-LOWER PLAQUEMINES-LOWER ST. BERNARD-
INCLUDING THE CITIES OF...THIBODAUX...RACELAND...LAROSE...HOUMA...
BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...CUT OFF...
GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY
350 PM CDT FRI JUL 20 2012

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

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE A PORTION OF SOUTHEAST 
  LOUISIANA...INCLUDING THE FOLLOWING AREAS...LOWER JEFFERSON... 
  LOWER LAFOURCHE...LOWER PLAQUEMINES...LOWER ST. BERNARD... 
  LOWER TERREBONNE...UPPER LAFOURCHE AND UPPER TERREBONNE. 

* THROUGH LATE SATURDAY NIGHT

* WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING HEAVY
  RAINFALL WILL AGAIN BE POSSIBLE TODAY. GENERAL RAINFALL
  ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH LOCALLY HIGHER
  AMOUNTS THROUGH SATURDAY EVENING IN THE WATCH AREA.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID PONDING OF WATER. 
  DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL DURING 
  PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY BECOME 
  IMPASSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$

LAZ039-040-058-060>064-071-072-MSZ070-071-077-080>082-210600-
/O.EXT.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON-ST. TAMMANY-ST. JOHN THE BAPTIST-ST. CHARLES-
UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-
NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL...
MANDEVILLE...COVINGTON...LACOMBE...LAPLACE...RESERVE...
DESTREHAN...NORCO...METAIRIE...KENNER...NEW ORLEANS...
BELLE CHASSE...CHALMETTE...VIOLET...AMITE...KENTWOOD...HAMMOND...
PONCHATOULA...MCCOMB...TYLERTOWN...PICAYUNE...BAY ST. LOUIS...
WAVELAND...DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA...
OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN
350 PM CDT FRI JUL 20 2012

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE SATURDAY NIGHT...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... 
  INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... 
  NORTHERN TANGIPAHOA...ORLEANS...SOUTHERN TANGIPAHOA...ST. 
  CHARLES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER 
  JEFFERSON...UPPER PLAQUEMINES...UPPER ST. BERNARD AND 
  WASHINGTON. IN SOUTHERN MISSISSIPPI...HANCOCK...HARRISON... 
  JACKSON...PEARL RIVER...PIKE AND WALTHALL. 

* THROUGH LATE SATURDAY NIGHT

* WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING HEAVY
  RAINFALL WILL AGAIN BE POSSIBLE TODAY. GENERAL RAINFALL
  ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH LOCALLY HIGHER
  AMOUNTS THROUGH SATURDAY EVENING IN THE WATCH AREA.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID PONDING OF WATER. 
  DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL DURING 
  PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY BECOME 
  IMPASSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$
027 
WGUS64 KLIX 202159 CCA
FFALIX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH...CORRECTED
NATIONAL WEATHER SERVICE NEW ORLEANS LA
458 PM CDT FRI JUL 20 2012

...A FLASH FLOOD WATCH IN EFFECT UNTIL SATURDAY EVENING FOR
PORTIONS OF SOUTH MISSISSIPPI AND SOUTHEAST LOUISIANA...

.A VERY UNSETTLED WEATHER PATTERN REMAINS ACROSS THE GULF STATES
AND WILL CONTINUE TO BE FAVORABLE FOR HEAVY RAINFALL DEVELOPMENT
INTO THE WEEKEND. THE SOIL HAS BECOME SATURATED IN SOME AREAS DUE
TO RECENT HEAVY RAINS. THIS HAS INCREASED THE RISK FOR RAPID
RUNOFF OF ADDITIONAL RAINFALL. ANOTHER ROUND OF WIDESPREAD HEAVY
RAINFALL IS EXPECTED TODAY WHICH MAY PRODUCE FLOODING RATHER
QUICKLY. THE FLASH FLOOD WATCH MAY NEED TO BE EXTENDED IN TIME
AND AREA FOR SUNDAY.

LAZ059-065>070-210715-
/O.COR.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UPPER LAFOURCHE-UPPER TERREBONNE-LOWER TERREBONNE-LOWER LAFOURCHE-
LOWER JEFFERSON-LOWER PLAQUEMINES-LOWER ST. BERNARD-
INCLUDING THE CITIES OF...THIBODAUX...RACELAND...LAROSE...HOUMA...
BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...CUT OFF...
GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY
458 PM CDT FRI JUL 20 2012

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

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE A PORTION OF SOUTHEAST 
  LOUISIANA...INCLUDING THE FOLLOWING AREAS...LOWER JEFFERSON... 
  LOWER LAFOURCHE...LOWER PLAQUEMINES...LOWER ST. BERNARD... 
  LOWER TERREBONNE...UPPER LAFOURCHE AND UPPER TERREBONNE. 

* THROUGH LATE SATURDAY NIGHT

* WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING HEAVY
  RAINFALL WILL BE POSSIBLE THROUGH SATURDAY EVENING. GENERAL
  RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH
  LOCALLY HIGHER AMOUNTS IN THE WATCH AREA.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID PONDING OF WATER. 
  DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL DURING 
  PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY BECOME 
  IMPASSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$

LAZ039-040-058-060>064-071-072-MSZ070-071-077-080>082-210715-
/O.COR.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON-ST. TAMMANY-ST. JOHN THE BAPTIST-ST. CHARLES-
UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-
NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL...
MANDEVILLE...COVINGTON...LACOMBE...LAPLACE...RESERVE...
DESTREHAN...NORCO...METAIRIE...KENNER...NEW ORLEANS...
BELLE CHASSE...CHALMETTE...VIOLET...AMITE...KENTWOOD...HAMMOND...
PONCHATOULA...MCCOMB...TYLERTOWN...PICAYUNE...BAY ST. LOUIS...
WAVELAND...DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA...
OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN
458 PM CDT FRI JUL 20 2012

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH LATE SATURDAY NIGHT...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... 
  INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... 
  NORTHERN TANGIPAHOA...ORLEANS...SOUTHERN TANGIPAHOA...ST. 
  CHARLES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER 
  JEFFERSON...UPPER PLAQUEMINES...UPPER ST. BERNARD AND 
  WASHINGTON. IN SOUTHERN MISSISSIPPI...HANCOCK...HARRISON... 
  JACKSON...PEARL RIVER...PIKE AND WALTHALL. 

* THROUGH LATE SATURDAY NIGHT

* WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING HEAVY
  RAINFALL WILL BE POSSIBLE THROUGH SATURDAY EVENING. GENERAL
  RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH
  LOCALLY HIGHER AMOUNTS IN THE WATCH AREA.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID PONDING OF WATER. 
  DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL DURING 
  PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY BECOME 
  IMPASSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$
727 
WGUS64 KLIX 210313
FFALIX

FLOOD WATCH
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1013 PM CDT FRI JUL 20 2012

...A FLASH FLOOD WATCH IN EFFECT UNTIL SATURDAY EVENING FOR
PORTIONS OF SOUTH MISSISSIPPI AND SOUTHEAST LOUISIANA...

.A VERY UNSETTLED WEATHER PATTERN REMAINS ACROSS THE GULF STATES
AND WILL CONTINUE TO BE FAVORABLE FOR HEAVY RAINFALL DEVELOPMENT
THROUGH SATURDAY EVENING. THE SOIL IS SATURATED IN MOST AREAS DUE
TO RECENT HEAVY RAINS. THIS HAS INCREASED THE RISK FOR RAPID
RUNOFF OF ADDITIONAL RAINFALL. ANOTHER ROUND OF WIDESPREAD HEAVY
RAINFALL IS EXPECTED SATURDAY WHICH MAY PRODUCE FLOODING RATHER
QUICKLY. THE FLASH FLOOD WATCH MAY NEED TO BE EXTENDED IN TIME AND
AREA FOR SUNDAY.

LAZ039-040-058>072-MSZ070-071-077-080>082-211115-
/O.CON.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON-ST. TAMMANY-ST. JOHN THE BAPTIST-UPPER LAFOURCHE-
ST. CHARLES-UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-
UPPER ST. BERNARD-UPPER TERREBONNE-LOWER TERREBONNE-
LOWER LAFOURCHE-LOWER JEFFERSON-LOWER PLAQUEMINES-
LOWER ST. BERNARD-NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-PIKE-
WALTHALL-PEARL RIVER-HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL...
MANDEVILLE...COVINGTON...LACOMBE...LAPLACE...RESERVE...
THIBODAUX...RACELAND...LAROSE...DESTREHAN...NORCO...METAIRIE...
KENNER...NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...
HOUMA...BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...
CUT OFF...GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY...
AMITE...KENTWOOD...HAMMOND...PONCHATOULA...MCCOMB...TYLERTOWN...
PICAYUNE...BAY ST. LOUIS...WAVELAND...DIAMONDHEAD...GULFPORT...
BILOXI...PASCAGOULA...OCEAN SPRINGS...MOSS POINT...GAUTIER...
ST. MARTIN
1013 PM CDT FRI JUL 20 2012

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SATURDAY
NIGHT...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... 
  INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... 
  LOWER JEFFERSON...LOWER LAFOURCHE...LOWER PLAQUEMINES...LOWER 
  ST. BERNARD...LOWER TERREBONNE...NORTHERN TANGIPAHOA... 
  ORLEANS...SOUTHERN TANGIPAHOA...ST. CHARLES...ST. JOHN THE 
  BAPTIST...ST. TAMMANY...UPPER JEFFERSON...UPPER LAFOURCHE... 
  UPPER PLAQUEMINES...UPPER ST. BERNARD...UPPER TERREBONNE AND 
  WASHINGTON. IN SOUTHERN MISSISSIPPI...HANCOCK...HARRISON... 
  JACKSON...PEARL RIVER...PIKE AND WALTHALL. 

* THROUGH LATE SATURDAY NIGHT

* WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF PRODUCING HEAVY
  RAINFALL WILL BE POSSIBLE THROUGH SATURDAY EVENING WITH THE MAIN
  THREAT STARTING SATURDAY MORNING. GENERAL RAINFALL ACCUMULATIONS
  OF 2 TO 4 INCHES ARE EXPECTED WITH LOCALLY HIGHER AMOUNTS IN THE
  WATCH AREA. SOME AREAS MAY EXPERIENCE THE BULK OF THIS RAINFALL
  IN A SHORT ONE TO TWO HOUR PERIOD. 

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID RUNOFF AND PONDING OF
  WATER. DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL DURING
  PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY BECOME IMPASSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$

22/TD
647 
WGUS64 KLIX 210808
FFALIX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE NEW ORLEANS LA
308 AM CDT SAT JUL 21 2012

...A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL THIS EVENING FOR
PORTIONS OF SOUTH MISSISSIPPI AND SOUTHEAST LOUISIANA...

.A VERY UNSETTLED WEATHER PATTERN REMAINS ACROSS THE GULF STATES
AND WILL CONTINUE TO BE FAVORABLE FOR HEAVY RAINFALL DEVELOPMENT
THROUGH THIS EVENING. THE SOIL IS SATURATED IN MOST AREAS DUE
TO RECENT HEAVY RAINS. THIS HAS INCREASED THE RISK FOR RAPID
RUNOFF OF ADDITIONAL RAINFALL. ANOTHER ROUND OF WIDESPREAD HEAVY
RAINFALL IS EXPECTED TODAY WHICH MAY PRODUCE FLOODING RATHER
QUICKLY. THE FLASH FLOOD WATCH AREA HAS BEEN EXTENDED ONCE AGAIN
AND MAY NEED TO BE EXTENDED IN TIME AND AREA FOR SUNDAY.

LAZ056-057-211615-
/O.EXA.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ASSUMPTION-ST. JAMES-
INCLUDING THE CITIES OF...PIERRE PART...LABADIEVILLE...
PAINCOURTVILLE...LUTCHER...GRAMERCY
308 AM CDT SAT JUL 21 2012

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

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE A PORTION OF SOUTHEAST 
  LOUISIANA...INCLUDING THE FOLLOWING AREAS...ASSUMPTION AND ST. 
  JAMES. 

* THROUGH LATE TONIGHT

* NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF
  PRODUCING HEAVY RAINFALL WILL BE POSSIBLE THROUGH THIS EVENING
  WITH THE MAIN THREAT STARTING LATE THIS MORNING. GENERAL
  RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH
  LOCALLY HIGHER AMOUNTS IN THE WATCH AREA APPROACHING 6 INCHES.
  SOME AREAS MAY EXPERIENCE THE BULK OF THIS RAINFALL IN A SHORT
  ONE TO TWO HOUR PERIOD.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID RUNOFF AND PONDING 
  OF WATER. DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL 
  DURING PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY BECOME 
  IMPASSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$

LAZ039-040-058>072-MSZ070-071-077-080>082-211615-
/O.CON.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON-ST. TAMMANY-ST. JOHN THE BAPTIST-UPPER LAFOURCHE-
ST. CHARLES-UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES-
UPPER ST. BERNARD-UPPER TERREBONNE-LOWER TERREBONNE-
LOWER LAFOURCHE-LOWER JEFFERSON-LOWER PLAQUEMINES-
LOWER ST. BERNARD-NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-PIKE-
WALTHALL-PEARL RIVER-HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL...
MANDEVILLE...COVINGTON...LACOMBE...LAPLACE...RESERVE...
THIBODAUX...RACELAND...LAROSE...DESTREHAN...NORCO...METAIRIE...
KENNER...NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...
HOUMA...BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...
CUT OFF...GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY...
AMITE...KENTWOOD...HAMMOND...PONCHATOULA...MCCOMB...TYLERTOWN...
PICAYUNE...BAY ST. LOUIS...WAVELAND...DIAMONDHEAD...GULFPORT...
BILOXI...PASCAGOULA...OCEAN SPRINGS...MOSS POINT...GAUTIER...
ST. MARTIN
308 AM CDT SAT JUL 21 2012

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

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... 
  INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... 
  LOWER JEFFERSON...LOWER LAFOURCHE...LOWER PLAQUEMINES...LOWER 
  ST. BERNARD...LOWER TERREBONNE...NORTHERN TANGIPAHOA... 
  ORLEANS...SOUTHERN TANGIPAHOA...ST. CHARLES...ST. JOHN THE 
  BAPTIST...ST. TAMMANY...UPPER JEFFERSON...UPPER LAFOURCHE... 
  UPPER PLAQUEMINES...UPPER ST. BERNARD...UPPER TERREBONNE AND 
  WASHINGTON. IN SOUTHERN MISSISSIPPI...HANCOCK...HARRISON... 
  JACKSON...PEARL RIVER...PIKE AND WALTHALL. 

* THROUGH LATE TONIGHT

* NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF
  PRODUCING HEAVY RAINFALL WILL BE POSSIBLE THROUGH THIS EVENING
  WITH THE MAIN THREAT STARTING LATE THIS MORNING. GENERAL
  RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED WITH
  LOCALLY HIGHER AMOUNTS IN THE WATCH AREA APPROACHING 6 INCHES.
  SOME AREAS MAY EXPERIENCE THE BULK OF THIS RAINFALL IN A SHORT
  ONE TO TWO HOUR PERIOD.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID RUNOFF AND PONDING 
  OF WATER. DRAINAGE CANALS AND DITCHES MAY FILL TO BANKFULL 
  DURING PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY BECOME 
  IMPASSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$
077 
WGUS64 KLIX 211458
FFALIX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE NEW ORLEANS LA
958 AM CDT SAT JUL 21 2012

...A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL THIS EVENING FOR
PORTIONS OF SOUTH MISSISSIPPI AND SOUTHEAST LOUISIANA...

.A VERY UNSETTLED WEATHER PATTERN REMAINS ACROSS THE GULF STATES
AND WILL CONTINUE TO BE FAVORABLE FOR HEAVY RAINFALL DEVELOPMENT
THROUGH THIS EVENING. THE SOIL IS SATURATED IN MOST AREAS DUE TO
RECENT HEAVY RAINS. THIS HAS INCREASED THE RISK FOR RAPID RUNOFF
OF ADDITIONAL RAINFALL. ANOTHER ROUND OF WIDESPREAD HEAVY
RAINFALL IS EXPECTED TODAY WHICH MAY PRODUCE FLOODING RATHER
QUICKLY. THE FLASH FLOOD WATCH AREA HAS BEEN EXPANDED TO INCLUDE
SOUTH CENTRAL LOUISIANA...SOUTHWEST MISSISSIPPI...AND THE ADJACENT
EAST CENTRAL LOUISIANA PARISHES. THE WATCH MAY NEED TO BE EXTENDED
IN TIME FOR SUNDAY.

LAZ034>037-046>050-MSZ068-069-212300-
/O.EXA.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-ST. HELENA-IBERVILLE-
WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-LIVINGSTON-WILKINSON-
AMITE-
INCLUDING THE CITIES OF...NEW ROADS...LIVONIA...
ST. FRANCISVILLE...JACKSON...CLINTON...GREENSBURG...MONTPELIER...
PLAQUEMINE...WHITE CASTLE...PORT ALLEN...ADDIS...BRUSLY...
BATON ROUGE...GONZALES...DONALDSONVILLE...DENHAM SPRINGS...
WALKER...CENTREVILLE...WOODVILLE...GLOSTER...LIBERTY...CROSBY
958 AM CDT SAT JUL 21 2012

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

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF SOUTHEAST LOUISIANA 
  AND SOUTHERN MISSISSIPPI...INCLUDING THE FOLLOWING AREAS...IN 
  SOUTHEAST LOUISIANA...ASCENSION...EAST BATON ROUGE...EAST 
  FELICIANA...IBERVILLE...LIVINGSTON...POINTE COUPEE...ST. 
  HELENA...WEST BATON ROUGE AND WEST FELICIANA. IN SOUTHERN 
  MISSISSIPPI...AMITE AND WILKINSON. 

* THROUGH LATE TONIGHT

* NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF
  PRODUCING VERY HEAVY RAINFALL WILL BE POSSIBLE THROUGH THIS
  EVENING. GENERAL RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE
  EXPECTED WITH LOCALLY HIGHER AMOUNTS APPROACHING 6 INCHES. SOME
  AREAS MAY EXPERIENCE THE BULK OF THIS RAINFALL IN A SHORT ONE TO
  TWO HOUR PERIOD.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID RUNOFF AND PONDING OF
  WATER. DRAINAGE CANALS...DITCHES...AND SMALL STREAMS MAY FILL TO
  BANKFULL DURING PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY
  BECOME IMPASSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$

LAZ039-040-056>072-MSZ070-071-077-080>082-212300-
/O.CON.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON-ST. TAMMANY-ASSUMPTION-ST. JAMES-ST. JOHN THE BAPTIST-
UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON-ORLEANS-
UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE-
LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON-
LOWER PLAQUEMINES-LOWER ST. BERNARD-NORTHERN TANGIPAHOA-
SOUTHERN TANGIPAHOA-PIKE-WALTHALL-PEARL RIVER-HANCOCK-HARRISON-
JACKSON-
INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL...
MANDEVILLE...COVINGTON...LACOMBE...PIERRE PART...LABADIEVILLE...
PAINCOURTVILLE...LUTCHER...GRAMERCY...LAPLACE...RESERVE...
THIBODAUX...RACELAND...LAROSE...DESTREHAN...NORCO...METAIRIE...
KENNER...NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...
HOUMA...BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...
CUT OFF...GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY...
AMITE...KENTWOOD...HAMMOND...PONCHATOULA...MCCOMB...TYLERTOWN...
PICAYUNE...BAY ST. LOUIS...WAVELAND...DIAMONDHEAD...GULFPORT...
BILOXI...PASCAGOULA...OCEAN SPRINGS...MOSS POINT...GAUTIER...
ST. MARTIN
958 AM CDT SAT JUL 21 2012

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

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... 
  INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... 
  ASSUMPTION...LOWER JEFFERSON...LOWER LAFOURCHE...LOWER 
  PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE...NORTHERN 
  TANGIPAHOA...ORLEANS...SOUTHERN TANGIPAHOA...ST. CHARLES... 
  ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER 
  JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER ST. 
  BERNARD...UPPER TERREBONNE AND WASHINGTON. IN SOUTHERN 
  MISSISSIPPI...HANCOCK...HARRISON...JACKSON...PEARL RIVER... 
  PIKE AND WALTHALL. 

* THROUGH LATE TONIGHT

* NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS CAPABLE OF
  PRODUCING HEAVY RAINFALL WILL BE POSSIBLE THROUGH THIS EVENING.
  GENERAL RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED
  WITH LOCALLY HIGHER AMOUNTS APPROACHING 6 INCHES. SOME AREAS MAY
  EXPERIENCE THE BULK OF THIS RAINFALL IN A SHORT ONE TO TWO
  HOUR PERIOD.

* TORRENTIAL HEAVY RAINS WILL PRODUCE RAPID RUNOFF AND PONDING OF
  WATER. DRAINAGE CANALS...DITCHES...AND SMALL STREAMS MAY FILL TO
  BANKFULL DURING PERIODS OF TORRENTIAL RAINS. SOME ROADWAYS MAY
  BECOME IMPASSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 FLASH FLOOD WARNINGS BE ISSUED.

DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. DO NOT
DRIVE AROUND ANY BARRICADES POSTED BY LOCAL OFFICIALS.

&&

$$

22/TD
970 
WGUS64 KLIX 212111
FFALIX

FLOOD WATCH
NATIONAL WEATHER SERVICE NEW ORLEANS LA
411 PM CDT SAT JUL 21 2012

...FLASH FLOOD WATCH CANCELLED...

.LOWER COVERAGE OF SHOWERS AND THUNDERSTORMS...AND THE ABSENCE OF
TRAINING ECHOES OR REPEAT HEAVY RAINFALL MEANS THE FLASH FLOOD
POTENTIAL IS MUCH LOWER THAN YESTERDAY. ANY ADDITIONAL HEAVY
RAINFALL IS NOT EXPECTED TO RESULT IN MORE THAN MINOR NUISANCE
FLOODING OF SOME STREETS AND POORLY DRAINED LOW LYING AREAS.

LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-212215-
/O.CAN.KLIX.FF.A.0008.000000T0000Z-120722T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-ST. HELENA-WASHINGTON-
ST. TAMMANY-IBERVILLE-WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-
LIVINGSTON-ASSUMPTION-ST. JAMES-ST. JOHN THE BAPTIST-
UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON-ORLEANS-
UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE-
LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON-
LOWER PLAQUEMINES-LOWER ST. BERNARD-NORTHERN TANGIPAHOA-
SOUTHERN TANGIPAHOA-WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
INCLUDING THE CITIES OF...NEW ROADS...LIVONIA...
ST. FRANCISVILLE...JACKSON...CLINTON...GREENSBURG...MONTPELIER...
BOGALUSA...FRANKLINTON...SLIDELL...MANDEVILLE...COVINGTON...
LACOMBE...PLAQUEMINE...WHITE CASTLE...PORT ALLEN...ADDIS...
BRUSLY...BATON ROUGE...GONZALES...DONALDSONVILLE...
DENHAM SPRINGS...WALKER...PIERRE PART...LABADIEVILLE...
PAINCOURTVILLE...LUTCHER...GRAMERCY...LAPLACE...RESERVE...
THIBODAUX...RACELAND...LAROSE...DESTREHAN...NORCO...METAIRIE...
KENNER...NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...
HOUMA...BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO...
CUT OFF...GOLDEN MEADOW...PORT SULPHUR...EMPIRE...YSCLOSKEY...
AMITE...KENTWOOD...HAMMOND...PONCHATOULA...CENTREVILLE...
WOODVILLE...GLOSTER...LIBERTY...CROSBY...MCCOMB...TYLERTOWN...
PICAYUNE...BAY ST. LOUIS...WAVELAND...DIAMONDHEAD...GULFPORT...
BILOXI...PASCAGOULA...OCEAN SPRINGS...MOSS POINT...GAUTIER...
ST. MARTIN
411 PM CDT SAT JUL 21 2012

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTHEAST LOUISIANA AND
SOUTHERN MISSISSIPPI HAS BEEN CANCELLED. THE THREAT FOR HEAVY
RAINFALL THAT WOULD RESULT IN FLASH FLOODING HAS DIMINISHED.
LOCALLY HEAVY RAINFALL RESULTING IN MINOR FLOODING OF URBAN
AREAS...AND PONDING OF WATER IN POORLY DRAINED LOW LYING AREAS IS
STILL POSSIBLE THROUGH EARLY TONIGHT AND AGAIN ON SUNDAY.

$$

22/TD

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 New Orleans, LA wrote its last area forecast discussion before this flash flood watch went out at Jul 19, 10:14 AM CDT, 5 hours 23 minutes earlier.

Area forecast discussion, Jul 19, 10:14 AM CDT, 5 hours 23 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1014 AM CDT THU JUL 19 2012

.UPDATE...
UPDATED THE FORECAST TO RAISE RAIN CHANCES TO 50-60 PERCENT IN
ADVANCE OF COMPLEX MOVING SOUTHWARD FROM EAST-CENTRAL MISSISSIPPI
FOR LATE MORNING AND THIS AFTERNOON. NO OTHER CHANGES AT THIS TIME.

&&

.SOUNDING DISCUSSION...
NO PROBLEMS WITH LAUNCH THIS MORNING. VERY MOIST AIRMASS WITH P.W.
2.24 INCHES...LIFTED INDEX -7...STORM MOTION ONLY 5 KTS FROM THE
NORTH. NEARLY SATURATED SOUNDING FROM SURFACE TO 33KFT. WINDS
SOUTHWEST TO WEST LESS THAN 15 KT TO 6KFT THEN NORTH-NORTHEAST
10-20KT ABOVE 6KFT.

PRECIPITATION CALCULATOR OUTPUT THIS MORNING USING 357K LIFT FROM
SURFACE MAX HEATING YIELDS 52 PERCENT CHANCE OF RAIN...RICKS INDEX
95...PROB SEVERE 0 PERCENT...GUST POTENTIAL 31 KT...HAIL PEA SIZE
WITH 79 OR GREATER VIL. PRECIPITATION 5.11 INCHES WITH POTENTIAL
MAX 7.72 INCHES.

&&

.DECISION SUPPORT...
DSS CODE...UPGRADED TO YELLOW AT 10 AM CDT.
DEPLOYED...PRE-IMPLOSION COORDINATION NEW ORLEANS.
ACTIVATION...HIGH IMPACTS DESK.
ACTIVITIES...RADAR AND FLOOD SURVEILLANCE.

DECISION SUPPORT SERVICES (DSS) CODE LEGEND
GREEN  = NO WEATHER IMPACTS THAT REQUIRE ACTION
BLUE   = LONG FUSED WATCH/WARNING/ADVISORY IN EFFECT OR HIGH
         VISIBILITY EVENT
YELLOW = HEIGHTENED IMPACTS WITH SHORT FUSED
         WATCH/WARNING/ADVISORY ISSUANCES; RADAR SUPPORT
ORANGE = HIGH IMPACTS - SLIGHT TO MODERATE RISK SEVERE; NEARBY
         TROPICAL EVENTS; HAZMAT OR OTHER LARGE EPISODES
RED    = FULL ENGAGEMENT FOR MODERATE TO HIGH RISK SVR AND/OR
         DIRECT TROPICAL THREATS; EVENTS OF NATIONAL SIGNIFICANCE

&&

.PRELIMINARY POINT TEMPS/POPS...
MCB  93  72  91  71 /  60  50  60  40
BTR  93  74  91  72 /  60  40  60  40
ASD  91  73  91  72 /  60  50  60  40
MSY  89  77  90  75 /  60  40  60  40
GPT  90  74  90  74 /  60  50  60  40
PQL  90  74  90  73 /  70  50  60  40

&&

.LIX WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
GM...NONE.
MS...NONE.
GM...NONE.
&&

24/RR
Hazardous weather outlook, Jul 19, 10:10 AM CDT, 5 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1010 AM CDT THU JUL 19 2012

GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-LAZ034>037-
039-040-046>050-056>072-MSZ068>071-077-080>082-201515-
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND-
LAKE BORGNE-CHANDELEUR SOUND-BRETON SOUND-
COASTAL WATERS FROM PORT FOURCHON TO LOWER ATCHAFALAYA RIVER OUT
20 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON OUT 20 NM-
COASTAL WATERS FROM BOOTHVILLE LA TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM-
COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA OUT 20 NM-
COASTAL WATERS FROM PORT FOURCHON TO LOWER ATCHAFALAYA RIVER FROM
20 TO 60 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON FROM 20 TO 60 NM-
COASTAL WATERS FROM STAKE ISLAND LA TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER FROM 20 TO 60 NM-
COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA FROM 20 TO
60 NM-POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-ST. HELENA-
WASHINGTON-ST. TAMMANY-IBERVILLE-WEST BATON ROUGE-
EAST BATON ROUGE-ASCENSION-LIVINGSTON-ASSUMPTION-ST. JAMES-
ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-UPPER JEFFERSON-
ORLEANS-UPPER PLAQUEMINES-UPPER ST. BERNARD-UPPER TERREBONNE-
LOWER TERREBONNE-LOWER LAFOURCHE-LOWER JEFFERSON-
LOWER PLAQUEMINES-LOWER ST. BERNARD-NORTHERN TANGIPAHOA-
SOUTHERN TANGIPAHOA-WILKINSON-AMITE-PIKE-WALTHALL-PEARL RIVER-
HANCOCK-HARRISON-JACKSON-
1010 AM CDT THU JUL 19 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST
LOUISIANA...SOUTH MISSISSIPPI AND THE ADJACENT COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS WILL BECOME MORE NUMEROUS THIS AFTERNOON
AND INTO THIS EVENING. THE PRIMARY THUNDERSTORM THREAT WILL BE
LOCALLY HEAVY RAINFALL. HOWEVER...A FEW STORMS COULD ALSO PRODUCE
FREQUENT LIGHTNING AND WIND GUSTS UP TO 35 MPH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED
FRIDAY THROUGH SUNDAY. ALTHOUGH ORGANIZED SEVERE WEATHER IS NOT
EXPECTED...A FEW STORMS COULD BECOME STRONG AND PRODUCE GUSTY
WINDS...FREQUENT LIGHTNING...AND BRIEF HEAVY DOWNPOURS. LESS
COVERAGE OF THUNDERSTORMS IS EXPECTED MONDAY THROUGH WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...
PLEASE RELAY ANY SIGNIFICANT WEATHER RELATED IMPACTS TO THE
NATIONAL WEATHER SERVICE OR LOCAL LAW ENFORCEMENT.

95/DM

In the hours before

Local storm report, Jul 19, 10:40 AM CDT, 4 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1040 AM CDT THU JUL 19 2012

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

0842 AM     WATER SPOUT      13 S GRAND ISLE CMAN    29.08N 89.96W
07/19/2012                   GMZ552             LA   LAW ENFORCEMENT

            PORT FOURCHON HARBOR POLICE RELAYED A REPORT OF A WATER
            SPOUT SOUTHEAST OF PORT FOURCHON. IMAGES SUBMITTED SHOW A
            NARROW WATER SPOUT VISIBLE FROM SHORE.

&&

24/RR
Special weather statement, Jul 19, 11:52 AM CDT, 3 hours 45 minutes before
MSZ077-191745-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1152 AM CDT THU JUL 19 2012

...CLUSTER OF STRONG THUNDERSTORMS MOVING SOUTHWEST AFFECTING PEARL
RIVER COUNTY...

AT 1149 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF STRONG THUNDERSTORMS 16 MILES NORTHWEST OF WIGGINS...OR
ABOUT 18 MILES NORTHEAST OF POPLARVILLE...MOVING SOUTHWEST AT 20 MPH.

THE CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND
AROUND...POPLARVILLE.

THE PRIMARY THREATS FROM THESE STORMS ARE FREQUENT LIGHTNING AND WIND
GUSTS TO NEAR 40 MPH...WHICH COULD DOWN TREE LIMBS AND BLOW AROUND
UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING
UNTIL THESE STORMS HAVE PASSED.

THESE STORMS COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A
SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING
ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED
ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.

BE PREPARED TO TAKE QUICK ACTION IF A WARNING IS ISSUED. STAY TUNED
TO NOAA WEATHER RADIO OR YOUR FAVORITE LOCAL MEDIA OUTLETS FOR
FURTHER DETAILS OR UPDATES FROM THE NATIONAL WEATHER SERVICE.

98/SO
Special weather statement, Jul 19, 12:09 PM CDT, 3 hours 28 minutes before
MSZ082-191815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1209 PM CDT THU JUL 19 2012

...CLUSTER OF STRONG THUNDERSTORMS MOVING SOUTHWEST AFFECTING JACKSON
COUNTY...

AT 1207 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF STRONG THUNDERSTORMS 8 MILES EAST OF ESCATAWPA...MOVING
SOUTHWEST AT 5 TO 10 MPH.

THE CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND
AROUND...PASCAGOULA...MOSS POINT...GAUTIER AND ESCATAWPA.

THE PRIMARY THREATS FROM THESE STORMS ARE FREQUENT LIGHTNING AND WIND
GUSTS TO NEAR 40 MPH...WHICH COULD DOWN TREE LIMBS AND BLOW AROUND
UNSECURED SMALL OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING
UNTIL THESE STORMS HAVE PASSED.

THESE STORMS COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A
SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING
ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED
ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.

BE PREPARED TO TAKE QUICK ACTION IF A WARNING IS ISSUED. STAY TUNED
TO NOAA WEATHER RADIO OR YOUR FAVORITE LOCAL MEDIA OUTLETS FOR
FURTHER DETAILS OR UPDATES FROM THE NATIONAL WEATHER SERVICE.

98/SO
Special weather statement, Jul 19, 1:11 PM CDT, 2 hours 26 minutes before
LAZ039-040-MSZ077-080>082-191915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
111 PM CDT THU JUL 19 2012

...LINE OF STRONG THUNDERSTORMS MOVING SOUTHWEST AFFECTING PEARL
RIVER COUNTY...HANCOCK COUNTY...JACKSON COUNTY...HARRISON
COUNTY...ST. TAMMANY PARISH...WASHINGTON PARISH...

AT 107 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORMS FROM 17 MILES NORTH OF BOGALUSA TO NEAR
PASCAGOULA...MOVING SOUTHWEST AT 20 MPH.

THE LINE OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND
AROUND...GULFPORT...LONG BEACH...KILN...DIAMONDHEAD...PICAYUNE...
PASS CHRISTIAN...BAY ST. LOUIS...SUN...WAVELAND...STENNIS SPACE
CENTER...SLIDELL...PEARL RIVER...MANDEVILLE...MADISONVILLE...
LACOMBE...FOLSOM...ENON...COVINGTON...BUSH...ABITA SPRINGS AND
PEARLINGTON

THE PRIMARY THREAT FROM THESE STORMS IS WIND GUSTS TO NEAR 35 MPH...
WHICH COULD DOWN TREE LIMBS AND BLOW AROUND UNSECURED SMALL OBJECTS.
SEEK SHELTER IN A SAFE HOME OR BUILDING UNTIL THESE STORMS HAVE
PASSED.

THESE STORMS COULD PRODUCE RAINFALL AMOUNTS OF ONE TO TWO INCHES IN A
SHORT PERIOD OF TIME...RESULTING IN PONDING OF WATER AROUND LOW LYING
ROADWAYS. REMEMBER...DO NOT DRIVE YOUR VEHICLE INTO WATER COVERED
ROADWAYS. THE DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING.

FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

95/DM
Local storm report, Jul 19, 1:20 PM CDT, 2 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
120 PM CDT THU JUL 19 2012

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

0110 PM     WATER SPOUT      2 S OCEAN SPRINGS       30.38N 88.80W
07/19/2012                   GMZ532             MS   EMERGENCY MNGR

            VISUAL SIGHTING FROM SHORE...MOVING AWAY FROM SHORE.

&&

24/RR
Local storm report, Jul 19, 1:54 PM CDT, 1 hour 43 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE NEW ORLEANS LA
154 PM CDT THU JUL 19 2012

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

0400 PM     TSTM WND DMG     4 NNW PASS CHRISTIAN    30.38N 89.26W
07/18/2012                   HARRISON           MS   NWS STORM SURVEY

            NWS STORM SURVEY INDICATES STRAIGHT LINE THUNDERSTORM
            WINDS TOPPLED A WEAKENED TREE...SNAPPED SEVERAL LARGE AND
            SMALL TREE LIMBS..AND CAUSED DAMAGE TO A OUT BUILDING.
            DAMAGE NOTED WAS ALONG CUEVAS DELISLE ROAD.

&&

FR

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 19, 1:41 PM CDTAreal Flood AdvisoryLIXHarrison2 hr
Jul 19, 4:49 PM CDTAreal Flood AdvisoryLIXAmite, Pike56 min
Jul 18, 8:22 PM CDTSpecial Marine WarningLIX23 min
Jul 18, 8:30 PM CDTAreal Flood AdvisoryLIXSaint Tammany2 hr
Jul 18, 8:42 PM CDTSpecial Marine WarningLIX48 min
Jul 18, 8:51 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Plaquemines114 min
Jul 19, 8:45 AM CDTSpecial Marine WarningLIX30 min
Jul 19, 12:05 PM CDTSpecial Marine WarningLIX40 min
Jul 19, 12:43 PM CDTSpecial Marine WarningLIX62 min
Jul 19, 1:13 PM CDTSpecial Marine WarningLIX32 min
Jul 19, 2:17 PM CDTAreal Flood AdvisoryLIXSaint Tammany118 min
Jul 19, 2:50 PM CDTSpecial Marine WarningLIX55 min
Jul 19, 2:56 PM CDTFlash Flood WarningLIXSaint Tammany2 hr
Jul 19, 3:43 PM CDTFlash Flood WarningLIXSaint Tammany2 hr
Jul 19, 4:12 PM CDTAreal Flood AdvisoryLIXLivingston, Saint Helena, Tangipahoa2 hr
Jul 19, 5:03 PM CDTFlash Flood WarningLIXSaint Tammany117 min
Jul 19, 5:48 PM CDTAreal Flood AdvisoryLIXSaint Charles, Saint James, Saint John the Baptist117 min
Jul 19, 6:03 PM CDTFlash Flood WarningLIXSaint Charles, Saint John the Baptist3 hr
Jul 19, 6:30 PM CDTAreal Flood AdvisoryLIXAscension, Assumption, Iberville2 hr

Nearby

Flash Flood Watches in Louisiana, 2012Flash Flood Watches in Mississippi, 2012Every flash flood watch in 2012

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.