Alert archive / Louisiana / Flash Flood Watches in 2012
Flash Flood Watch 2, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood watch at Feb 17, 2012, 3:56 AM CST for 5 counties in Mississippi; 13 parishes in Louisiana. It took effect at Feb 18, 2012, 6:00 AM CST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Feb 17, 2012, 3:56 AM CST (09:56 UTC)
- In effect from
- Feb 18, 2012, 6:00 AM CST
- Expired
- Feb 18, 2012, 8:58 PM CST
- In force
- 15 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 00:00Z, 9.9 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.
- Mixed-layer CAPE
- 17 J/kg
- Mixed-layer CIN
- -343 J/kg
- Mixed-layer LCL
- 777 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
422 WGUS64 KLIX 170956 FFALIX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE NEW ORLEANS LA 356 AM CST FRI FEB 17 2012 ...A FLASH FLOOD WATCH HAS BEEN ISSUED FOR ALL OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON... .A DEVELOPING SURFACE LOW ALONG A STATIONARY FRONT IN THE GULF OF MEXICO OFF OF THE TEXAS COAST IS EXPECTED TO MOVE INTO THE AREA DURING THE AFTERNOON HOURS ON SATURDAY. THIS WILL PUSH A COLD FRONT AND AN ASSOCIATED SQUALL LINE THROUGH THE AREA. HEAVY RAINFALL IS EXPECTED AHEAD OF AND WITH THE SQUALL LINE ON SATURDAY. LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-171800- /O.NEW.KLIX.FF.A.0002.120218T1200Z-120219T0000Z/ /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 356 AM CST FRI FEB 17 2012 ...FLASH FLOOD WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON... 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...ASCENSION...ASSUMPTION...EAST BATON ROUGE...EAST FELICIANA...IBERVILLE...LIVINGSTON...LOWER JEFFERSON...LOWER LAFOURCHE...LOWER PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE...NORTHERN TANGIPAHOA...ORLEANS... POINTE COUPEE...SOUTHERN TANGIPAHOA...ST. CHARLES...ST. HELENA...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY... UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER ST. BERNARD...UPPER TERREBONNE...WASHINGTON...WEST BATON ROUGE AND WEST FELICIANA. IN SOUTHERN MISSISSIPPI...AMITE... HANCOCK...HARRISON...JACKSON...PEARL RIVER...PIKE...WALTHALL AND WILKINSON. * FROM 6 AM CST SATURDAY MORNING THROUGH 6 PM CST SATURDAY AFTERNOON * AREAS OF HEAVY RAINFALL ARE EXPECTED OVER THE WATCH AREA IN ASSOCIATION WITH A DEVELOPING SURFACE LOW OVER THE WESTERN GULF OF MEXICO. THE SYSTEM WILL MOVE THROUGH THE AREA ON SATURDAY. * HEAVY RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE EXPECTED ACROSS THE AREA WITH LOCALLY HIGHER AMOUNTS POSSIBLE WHICH MAY CAUSE FLASH FLOODING. 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. && $$ 98/SO
7 follow-up statements
738 WGUS64 KLIX 171720 FFALIX FLOOD WATCH NATIONAL WEATHER SERVICE NEW ORLEANS LA 1120 AM CST FRI FEB 17 2012 ...A FLASH FLOOD WATCH HAS BEEN ISSUED FOR ALL OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON... .A DEVELOPING SURFACE LOW ALONG A STATIONARY FRONT IN THE GULF OF MEXICO OFF OF THE TEXAS COAST IS EXPECTED TO MOVE INTO THE AREA DURING THE AFTERNOON HOURS ON SATURDAY. THIS WILL PUSH A COLD FRONT AND AN ASSOCIATED SQUALL LINE THROUGH THE AREA. HEAVY RAINFALL IS EXPECTED AHEAD OF AND WITH THE SQUALL LINE ON SATURDAY. LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-180200- /O.CON.KLIX.FF.A.0002.120218T1200Z-120219T0000Z/ /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 1120 AM CST FRI FEB 17 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... ASCENSION...ASSUMPTION...EAST BATON ROUGE...EAST FELICIANA... IBERVILLE...LIVINGSTON...LOWER JEFFERSON...LOWER LAFOURCHE... LOWER PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE... NORTHERN TANGIPAHOA...ORLEANS...POINTE COUPEE...SOUTHERN TANGIPAHOA...ST. CHARLES...ST. HELENA...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER ST. BERNARD...UPPER TERREBONNE...WASHINGTON...WEST BATON ROUGE AND WEST FELICIANA. IN SOUTHERN MISSISSIPPI...AMITE...HANCOCK... HARRISON... JACKSON...PEARL RIVER...PIKE...WALTHALL AND WILKINSON. * FROM 6 AM SATURDAY MORNING THROUGH 6 PM SATURDAY AFTERNOON * AREAS OF HEAVY RAINFALL ARE EXPECTED OVER THE WATCH AREA IN ASSOCIATION WITH A DEVELOPING SURFACE LOW OVER THE WESTERN GULF OF MEXICO. THE SYSTEM WILL MOVE THROUGH THE AREA ON SATURDAY. THE WATCH MAY NEED TO BE EXTENDED INTO SATURDAY EVENING. * HEAVY RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE EXPECTED ACROSS THE AREA WITH LOCALLY HIGHER AMOUNTS POSSIBLE WHICH MAY CAUSE FLASH FLOODING. 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. && $$
681 WGUS64 KLIX 172150 FFALIX FLOOD WATCH NATIONAL WEATHER SERVICE NEW ORLEANS LA 350 PM CST FRI FEB 17 2012 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON... .A DEVELOPING SURFACE LOW ALONG A STATIONARY FRONT IN THE GULF OF MEXICO OFF OF THE TEXAS COAST IS EXPECTED TO MOVE INTO THE AREA ON SATURDAY. THIS WILL PUSH A COLD FRONT AND AN ASSOCIATED SQUALL LINE THROUGH THE AREA. HEAVY RAINFALL IS EXPECTED AHEAD OF AND WITH THE SQUALL LINE ON SATURDAY. LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-180600- /O.CON.KLIX.FF.A.0002.120218T1200Z-120219T0000Z/ /00000.0.RS.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 350 PM CST FRI FEB 17 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... ASCENSION...ASSUMPTION...EAST BATON ROUGE...EAST FELICIANA... IBERVILLE...LIVINGSTON...LOWER JEFFERSON...LOWER LAFOURCHE... LOWER PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE... NORTHERN TANGIPAHOA...ORLEANS...POINTE COUPEE...SOUTHERN TANGIPAHOA...ST. CHARLES...ST. HELENA...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER ST. BERNARD...UPPER TERREBONNE...WASHINGTON...WEST BATON ROUGE AND WEST FELICIANA. IN SOUTHERN MISSISSIPPI...AMITE...HANCOCK... HARRISON... JACKSON...PEARL RIVER...PIKE...WALTHALL AND WILKINSON. * FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON * AREAS OF HEAVY RAINFALL ARE EXPECTED OVER THE WATCH AREA IN ASSOCIATION WITH A DEVELOPING SURFACE LOW OVER THE WESTERN GULF OF MEXICO. THE SYSTEM WILL MOVE THROUGH THE AREA ON SATURDAY. THE WATCH MAY NEED TO BE EXTENDED INTO SATURDAY EVENING. * HEAVY RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED ACROSS THE AREA WITH LOCALLY HIGHER AMOUNTS POSSIBLE WHICH MAY CAUSE FLASH FLOODING. 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. && $$
443 WGUS64 KLIX 180447 FFALIX FLOOD WATCH NATIONAL WEATHER SERVICE NEW ORLEANS LA 1047 PM CST FRI FEB 17 2012 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON... .A DEVELOPING SURFACE LOW ALONG A STATIONARY FRONT IN THE GULF OF MEXICO OFF OF THE TEXAS COAST IS EXPECTED TO MOVE INTO THE AREA ON SATURDAY. THIS WILL PUSH A COLD FRONT AND AN ASSOCIATED SQUALL LINE THROUGH THE AREA. HEAVY RAINFALL IS EXPECTED AHEAD OF AND WITH THE SQUALL LINE ON SATURDAY. LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-181300- /O.CON.KLIX.FF.A.0002.120218T1200Z-120219T0000Z/ /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 1047 PM CST FRI FEB 17 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 6 AM CST SATURDAY THROUGH SATURDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... ASCENSION...ASSUMPTION...EAST BATON ROUGE...EAST FELICIANA... IBERVILLE...LIVINGSTON...LOWER JEFFERSON...LOWER LAFOURCHE... LOWER PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE... NORTHERN TANGIPAHOA...ORLEANS...POINTE COUPEE...SOUTHERN TANGIPAHOA...ST. CHARLES...ST. HELENA...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER ST. BERNARD...UPPER TERREBONNE...WASHINGTON...WEST BATON ROUGE AND WEST FELICIANA. IN SOUTHERN MISSISSIPPI...AMITE...HANCOCK... HARRISON... JACKSON...PEARL RIVER...PIKE...WALTHALL AND WILKINSON. * FROM 6 AM CST SATURDAY THROUGH SATURDAY AFTERNOON * AREAS OF HEAVY RAINFALL ARE EXPECTED OVER THE WATCH AREA IN ASSOCIATION WITH A DEVELOPING SURFACE LOW OVER THE WESTERN GULF OF MEXICO. THE SYSTEM WILL MOVE THROUGH THE AREA ON SATURDAY. THE WATCH MAY NEED TO BE EXTENDED INTO SATURDAY EVENING. * HEAVY RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED ACROSS THE AREA WITH LOCALLY HIGHER AMOUNTS POSSIBLE WHICH MAY CAUSE FLASH FLOODING. 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. && $$ 32
712 WGUS64 KLIX 181007 FFALIX FLOOD WATCH NATIONAL WEATHER SERVICE NEW ORLEANS LA 407 AM CST SAT FEB 18 2012 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI THROUGH THIS AFTERNOON... .A DEVELOPING SURFACE LOW ALONG A STATIONARY FRONT IN THE GULF OF MEXICO OFF OF THE TEXAS COAST IS EXPECTED TO MOVE INTO THE AREA TODAY. THIS WILL PUSH A COLD FRONT AND AN ASSOCIATED SQUALL LINE THROUGH THE AREA. HEAVY RAINFALL IS EXPECTED AHEAD OF AND WITH THE SQUALL LINE. LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-182100- /O.CON.KLIX.FF.A.0002.120218T1200Z-120219T0000Z/ /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 407 AM CST SAT FEB 18 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... ASCENSION...ASSUMPTION...EAST BATON ROUGE...EAST FELICIANA... IBERVILLE...LIVINGSTON...LOWER JEFFERSON...LOWER LAFOURCHE... LOWER PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE... NORTHERN TANGIPAHOA...ORLEANS...POINTE COUPEE...SOUTHERN TANGIPAHOA...ST. CHARLES...ST. HELENA...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER ST. BERNARD...UPPER TERREBONNE...WASHINGTON...WEST BATON ROUGE AND WEST FELICIANA. IN SOUTHERN MISSISSIPPI...AMITE...HANCOCK... HARRISON... JACKSON...PEARL RIVER...PIKE...WALTHALL AND WILKINSON. * THROUGH THIS AFTERNOON * AREAS OF HEAVY RAINFALL ARE EXPECTED OVER THE WATCH AREA IN ASSOCIATION WITH A DEVELOPING SURFACE LOW OVER THE WESTERN GULF OF MEXICO. THE SYSTEM WILL MOVE THROUGH THE AREA ON TODAY. THE WATCH MAY NEED TO BE EXTENDED INTO THE EVENING. * HEAVY RAINFALL AMOUNTS OF 3 TO 5 INCHES ARE EXPECTED ACROSS THE AREA WITH LOCALLY HIGHER AMOUNTS POSSIBLE WHICH MAY CAUSE FLASH FLOODING. 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. && $$
991 WGUS64 KLIX 181636 FFALIX FLOOD WATCH NATIONAL WEATHER SERVICE NEW ORLEANS LA 1036 AM CST SAT FEB 18 2012 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI THROUGH THIS AFTERNOON... .A DEEP SURFACE LOW ALONG A STATIONARY FRONT IN THE GULF OF MEXICO OFF OF THE UPPER TEXAS COAST IS EXPECTED TO MOVE INTO THE AREA THIS AFTERNOON. THIS LOW WILL PUSH A SQUALL LINE THROUGH THE AREA THIS AFTERNOON AND DRAG A COLD FRONT ACROSS THE AREA THIS EVENING. HEAVY RAINFALL IS EXPECTED AHEAD OF AND WITH THE SQUALL LINE. LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-190000- /O.CON.KLIX.FF.A.0002.000000T0000Z-120219T0000Z/ /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 1036 AM CST SAT FEB 18 2012 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM CST THIS EVENING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... ASCENSION...ASSUMPTION...EAST BATON ROUGE...EAST FELICIANA... IBERVILLE...LIVINGSTON...LOWER JEFFERSON...LOWER LAFOURCHE... LOWER PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE... NORTHERN TANGIPAHOA...ORLEANS...POINTE COUPEE...SOUTHERN TANGIPAHOA...ST. CHARLES...ST. HELENA...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER ST. BERNARD...UPPER TERREBONNE...WASHINGTON...WEST BATON ROUGE AND WEST FELICIANA. IN SOUTHERN MISSISSIPPI...AMITE...HANCOCK... HARRISON... JACKSON...PEARL RIVER...PIKE...WALTHALL AND WILKINSON. * UNTIL 6 PM CST THIS EVENING * AREAS OF HEAVY RAINFALL ARE EXPECTED SPREAD OVER THE ENTIRE THE WATCH AREA THIS AFTERNOON. THE DEEP SURFACE WILL MOVE THROUGH THE AREA THIS EVENING. THE WATCH MAY NEED TO BE EXTENDED INTO THE EVENING. * HEAVY RAINFALL AMOUNTS OF 3 TO 5 INCHES ARE EXPECTED ACROSS THE AREA WITH LOCALLY HIGHER AMOUNTS POSSIBLE WHICH MAY CAUSE FLASH FLOODING. 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. && $$
365 WGUS64 KLIX 182221 FFALIX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE NEW ORLEANS LA 421 PM CST SAT FEB 18 2012 ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI UNTIL 9 PM THIS EVENING... .A DEEP SURFACE LOW OVER SOUTHWEST LOUISIANA COASTAL WATERS IS EXPECTED TO MOVE INTO THE AREA THIS EVENING. THIS LOW WILL BRING A LARGE AREA OF RAIN WITH A FEW EMBEDDED THUNDERSTORMS ACROSS THE WATCH AREA THIS EVENING. MODERATE TO HEAVY RAINFALL IS EXPECTED THROUGH THE EARLY EVENING HOURS AND WILL ONLY AGGRAVATE THE CURRENT FLOODING SITUATION. LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-190300- /O.EXT.KLIX.FF.A.0002.000000T0000Z-120219T0300Z/ /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 421 PM CST SAT FEB 18 2012 ...FLASH FLOOD WATCH NOW IN EFFECT UNTIL 9 PM CST THIS EVENING... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI... INCLUDING THE FOLLOWING AREAS...IN SOUTHEAST LOUISIANA... ASCENSION...ASSUMPTION...EAST BATON ROUGE...EAST FELICIANA... IBERVILLE...LIVINGSTON...LOWER JEFFERSON...LOWER LAFOURCHE... LOWER PLAQUEMINES...LOWER ST. BERNARD...LOWER TERREBONNE... NORTHERN TANGIPAHOA...ORLEANS...POINTE COUPEE...SOUTHERN TANGIPAHOA...ST. CHARLES...ST. HELENA...ST. JAMES...ST. JOHN THE BAPTIST...ST. TAMMANY...UPPER JEFFERSON...UPPER LAFOURCHE...UPPER PLAQUEMINES...UPPER ST. BERNARD...UPPER TERREBONNE...WASHINGTON...WEST BATON ROUGE AND WEST FELICIANA. IN SOUTHERN MISSISSIPPI...AMITE...HANCOCK... HARRISON... JACKSON...PEARL RIVER...PIKE...WALTHALL AND WILKINSON. * UNTIL 9 PM CST THIS EVENING * AREAS OF MODERATE OF HEAVY RAINFALL ARE EXPECTED SPREAD OVER THE WATCH AREA THIS EVENING. THE DEEP SURFACE LOW WILL MOVE THROUGH THE AREA THIS EVENING. THUS THE WATCH HAS BEEN EXTENDED UNTIL 9 PM THIS EVENING. * HEAVY RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE EXPECTED ACROSS THE AREA WITH LOCALLY HIGHER AMOUNTS POSSIBLE WHICH MAY CAUSE ADDITIONAL FLASH FLOODING. 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. && $$
180 WGUS64 KLIX 190258 FFALIX FLOOD WATCH NATIONAL WEATHER SERVICE NEW ORLEANS LA 858 PM CST SAT FEB 18 2012 ...FLASH FLOOD WATCH IS CANCELLED... .HEAVY RAIN HAS MOVED OUT OF THE AREA AND FLASH FLOODING IS NO LONGER EXPECTED. LAZ034>037-039-040-046>050-056>072-MSZ068>071-077-080>082-190400- /O.CAN.KLIX.FF.A.0002.000000T0000Z-120219T0300Z/ /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 858 PM CST SAT FEB 18 2012 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF SOUTHEAST LOUISIANA AND SOUTHERN MISSISSIPPI HAS BEEN CANCELLED. HEAVY RAIN HAS MOVED OUT OF THE AREA. MONITOR THE LATEST FLOOD WARNINGS AND STATEMENTS FOR INFORMATION ON AREA RIVERS. $$
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 Feb 16, 11:42 PM CST, 4 hours 14 minutes earlier.
Area forecast discussion, Feb 16, 11:42 PM CST, 4 hours 14 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NEW ORLEANS LA 1142 PM CST THU FEB 16 2012 .AVIATION... OCCASIONAL MVFR CEILINGS WILL BE OBSERVED AT THE TAF SITES THROUGH 06Z FRIDAY. A NEARLY STATIONARY FRONTAL BOUNDARY WILL REMAIN DRAPED ALONG THE COAST THROUGH THE FORECAST PERIOD. THE MAJORITY OF THE RAIN WILL BE CONFINED TO THE TAF LOCATIONS LOCATED CLOSER TO THE LOUISIANA COASTLINE THROUGH FRIDAY EVENING. HOWEVER...A FEW SHOWERS MAY ALSO IMPACT LOCATIONS FARTHER NORTH AND EAST BY FRIDAY AFTERNOON. 11 && .PRELIMINARY POINT TEMPS/POPS... MCB 51 63 51 67 / 10 50 50 90 BTR 55 64 55 72 / 20 70 60 90 ASD 55 65 58 73 / 20 60 50 80 MSY 58 66 58 73 / 30 70 60 80 GPT 56 65 57 72 / 20 60 50 80 PQL 56 66 57 73 / 20 50 50 80 && .LIX WATCHES/WARNINGS/ADVISORIES... LA...NONE. GM...NONE. MS...NONE. GM...NONE. &&
Hazardous weather outlook, Feb 16, 8:54 PM CST, 7 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NEW ORLEANS LA 854 PM CST THU FEB 16 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>082-180300- 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- 854 PM CST THU FEB 16 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST LOUISIANA...SOUTH MISSISSIPPI AND THE ADJACENT COASTAL WATERS. .DAY ONE...TONIGHT FLOOD WARNINGS REMAIN IN EFFECT ALONG THE PEARL RIVER NEAR BOGALUSA AND NEAR PEARL RIVER...AND ALONG THE ATCHAFALAYA RIVER NEAR MORGAN CITY. RECENT HEAVY RAINFALL HAS ALSO LED TO RISES ON SEVERAL OTHER AREA RIVERS. PLEASE REFER TO THE LATEST RIVER FLOOD STATEMENTS AND FORECASTS FOR ADDITIONAL DETAILS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ANOTHER FRONTAL SYSTEM WILL IMPACT THE AREA FRIDAY AND SATURDAY WITH WIDESPREAD SHOWERS AND THUNDERSTORMS EXPECTED. SOME STORMS WILL PRODUCE VERY HEAVY RAINFALL...AND LOCALIZED FLASH FLOODING MAY BECOME A THREAT. THE HEAVY RAIN MAY ALSO LEAD TO SIGNIFICANT RISES ON SEVERAL AREA RIVERS. ADDITIONALLY...THE STORM PREDICTION CENTER HAS ISSUED A SLIGHT RISK OF SEVERE STORMS ACROSS THE REGION. ALL MODES OF SEVERE WEATHER ARE POSSIBLE BUT THE POTENTIAL FOR DAMAGING WINDS AND TORNADOES IS GREATER THAN LARGE HAIL. MAIN TIME FRAME FOR SEVERE WEATHER APPEARS TO BE LATE SATURDAY MORNING INTO SATURDAY AFTERNOON. THE AREAS OF GREATEST RISK FOR HEAVY RAINFALL AND SEVERE WEATHER WILL CONTINUE TO BE REFINED OVER THE NEXT COUPLE OF DAYS AND WILL BE HIGHLY DEPENDENT ON TRACK OF THE SURFACE LOW THAT WILL DEVELOP IN THE NORTHWESTERN GULF EARLY SATURDAY MORNING. PLEASE MONITOR THE LATEST FORECAST PRODUCTS FOR THE MOST RECENT INFORMATION. FOLLOWING THE COLD FRONT PASSAGE ON SATURDAY...GUSTY NORTHWEST WINDS WILL SPREAD ACROSS THE REGION. GUSTY WINDS ARE EXPECTED TO IMPACT AREAS ALONG THE SOUTH SHORE OF LAKE PONTCHARTRAIN. GUST POTENTIAL WILL NEED TO BE MONITORED ACROSS THE REGION AS STRONG GUSTS MAY RESULT IN HAZARDOUS CONDITIONS FOR RIDERS IN SEVERAL PARADES SCHEDULED ACROSS THE AREA FOR SATURDAY EVENING. MARINE...SMALL CRAFT ADVISORIES WILL LIKELY BE NECESSARY SATURDAY BOTH AHEAD AND BEHIND THE COLD FRONT. STRONG SOUTHERLY WINDS WILL BE AHEAD OF THE SYSTEM FRIDAY NIGHT THROUGH MIDDAY SATURDAY. WINDS WILL SHIFT TO THE NORTHWEST FOLLOWING THE FRONTAL PASSAGE WITH GALE FORCE GUSTS POSSIBLE OVERNIGHT. SMALL CRAFT CONDITIONS ARE FORECAST TO PERSIST THROUGH SUNDAY MORNING. .SPOTTER INFORMATION STATEMENT... STORM SPOTTERS...EMERGENCY MANAGEMENT...AND OTHER PUBLIC SAFETY OFFICIALS SHOULD CONTINUE TO MONITOR THE POTENTIAL FOR FLASH FLOODING AND SEVERE WEATHER ON SATURDAY. 32
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 16, 7:43 PM CST | River Flood Warning | LIX | Saint Helena | 22 hr |
| Feb 17, 3:41 PM CST | Small Craft Advisory | LIX | 56 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.