Alert archive / Louisiana / Wind Advisories in 2015
Wind Advisory 8, NWS New Orleans, LA
NWS New Orleans, LA issued this wind advisory at Dec 28, 2015, 12:00 AM CST for 13 parishes in Louisiana; 5 counties in Mississippi. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Dec 28, 2015, 12:00 AM CST (06:00 UTC)
- Expired
- Dec 28, 2015, 8:01 AM CST
- In force
- 8 hr
- Issued by
- NWS New Orleans, LA
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, 6.0 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
- 1485 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 219 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 1.7
- Supercell composite
- 9.7
The text
As transmitted, in the capitals the NWS used until 2016.
466 WWUS74 KLIX 280600 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 1200 AM CST MON DEC 28 2015 ...A WIND ADVISORY IS IN EFFECT FOR TONIGHT AND EARLY MONDAY MORNING... .STRONG SOUTHERLY WINDS WELL IN ADVANCE OF AN ADVANCING COLD FRONT WILL PRODUCE POTENTIALLY DAMAGING WIND GUSTS TONIGHT. A SQUALL LINE WILL MOVE THROUGH THE AREA AS WELL WITH THE FRONTAL PASSAGE. LAZ034>037-046>050-056>060-065>067-071-072-MSZ068>070-281100- /O.NEW.KLIX.WI.Y.0008.151228T0600Z-151228T1100Z/ POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-ST. HELENA-IBERVILLE- WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-LIVINGSTON-ASSUMPTION- ST. JAMES-ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES- UPPER TERREBONNE-LOWER TERREBONNE-LOWER LAFOURCHE- NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-WILKINSON-AMITE-PIKE- 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...PIERRE PART...LABADIEVILLE...PAINCOURTVILLE...LUTCHER... GRAMERCY...LAPLACE...RESERVE...THIBODAUX...RACELAND...LAROSE... DESTREHAN...NORCO...HOUMA...BAYOU CANE...CHAUVIN...DULAC... MONTEGUT...GALLIANO...CUT OFF...GOLDEN MEADOW...AMITE... KENTWOOD...HAMMOND...PONCHATOULA...CENTREVILLE...WOODVILLE... GLOSTER...LIBERTY...CROSBY...MCCOMB 1200 AM CST MON DEC 28 2015 ...WIND ADVISORY IN EFFECT UNTIL 5 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 5 AM CST MONDAY. * TIMING...MIDNIGHT THROUGH SQUALL LINE PASSAGE PRIOR TO 5 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...FOR 2 TO 3 HOURS PRIOR TO SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ LAZ039-040-061>064-068>070-MSZ071-077-080>082-281400- /O.NEW.KLIX.WI.Y.0008.151228T0600Z-151228T1400Z/ WASHINGTON-ST. TAMMANY-UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES- UPPER ST. BERNARD-LOWER JEFFERSON-LOWER PLAQUEMINES- LOWER ST. BERNARD-WALTHALL-PEARL RIVER-HANCOCK-HARRISON-JACKSON- INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL... MANDEVILLE...COVINGTON...LACOMBE...METAIRIE...KENNER... NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...PORT SULPHUR... EMPIRE...YSCLOSKEY...TYLERTOWN...PICAYUNE...BAY ST. LOUIS... WAVELAND...DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA... OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN 1200 AM CST MON DEC 28 2015 ...WIND ADVISORY IN EFFECT UNTIL 8 AM CST MONDAY... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM CST MONDAY. * TIMING...BETWEEN 2 AM AND 8 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...2 TO 3 HOURS PRIOR TO SQUALL LINE PASSAGE...ENDING WITH SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 24/RR
8 follow-up statements
069 WWUS74 KLIX 280903 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 303 AM CST MON DEC 28 2015 ...A WIND ADVISORY IS IN EFFECT FOR TONIGHT AND EARLY MONDAY MORNING... .STRONG SOUTHERLY WINDS WELL IN ADVANCE OF AN ADVANCING COLD FRONT WILL PRODUCE POTENTIALLY DAMAGING WIND GUSTS TONIGHT. A SQUALL LINE OF STRONG TO SEVERE THUNDERSTORMS WAS SWEEPING EASTWARD THROUGH THE ADVISORY AREA AS WELL. LAZ034>036-046>049-056-MSZ068-281015- /O.CAN.KLIX.WI.Y.0008.000000T0000Z-151228T1100Z/ POINTE COUPEE-WEST FELICIANA-EAST FELICIANA-IBERVILLE- WEST BATON ROUGE-EAST BATON ROUGE-ASCENSION-ASSUMPTION-WILKINSON- INCLUDING THE CITIES OF...NEW ROADS...LIVONIA... ST. FRANCISVILLE...JACKSON...CLINTON...PLAQUEMINE... WHITE CASTLE...PORT ALLEN...ADDIS...BRUSLY...BATON ROUGE... GONZALES...DONALDSONVILLE...PIERRE PART...LABADIEVILLE... PAINCOURTVILLE...CENTREVILLE...WOODVILLE 303 AM CST MON DEC 28 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. THE WINDS HAVE LOWERED WHILE SHIFTING WEST AS THE COLD FRONT MOVED THROUGH. $$ LAZ037-050-057>060-065>067-071-072-MSZ069-070-281100- /O.CON.KLIX.WI.Y.0008.000000T0000Z-151228T1100Z/ ST. HELENA-LIVINGSTON-ST. JAMES-ST. JOHN THE BAPTIST- UPPER LAFOURCHE-ST. CHARLES-UPPER TERREBONNE-LOWER TERREBONNE- LOWER LAFOURCHE-NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-AMITE- PIKE- INCLUDING THE CITIES OF...GREENSBURG...MONTPELIER... DENHAM SPRINGS...WALKER...LUTCHER...GRAMERCY...LAPLACE... RESERVE...THIBODAUX...RACELAND...LAROSE...DESTREHAN...NORCO... HOUMA...BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GALLIANO... CUT OFF...GOLDEN MEADOW...AMITE...KENTWOOD...HAMMOND... PONCHATOULA...GLOSTER...LIBERTY...CROSBY...MCCOMB 303 AM CST MON DEC 28 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM CST EARLY THIS MORNING... * TIMING...THROUGH SQUALL LINE PASSAGE PRIOR TO 5 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...FOR 2 TO 3 HOURS PRIOR TO SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ LAZ039-040-061>064-068>070-MSZ071-077-080>082-281400- /O.CON.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ WASHINGTON-ST. TAMMANY-UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES- UPPER ST. BERNARD-LOWER JEFFERSON-LOWER PLAQUEMINES- LOWER ST. BERNARD-WALTHALL-PEARL RIVER-HANCOCK-HARRISON-JACKSON- INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL... MANDEVILLE...COVINGTON...LACOMBE...METAIRIE...KENNER... NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...PORT SULPHUR... EMPIRE...YSCLOSKEY...TYLERTOWN...PICAYUNE...BAY ST. LOUIS... WAVELAND...DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA... OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN 303 AM CST MON DEC 28 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * TIMING...BETWEEN 3 AM AND 8 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...2 TO 3 HOURS PRIOR TO SQUALL LINE PASSAGE...ENDING WITH SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 24/RR
257 WWUS74 KLIX 281000 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 400 AM CST MON DEC 28 2015 ...A WIND ADVISORY IS IN EFFECT FOR TONIGHT AND EARLY MONDAY MORNING... .STRONG SOUTHERLY WINDS WELL IN ADVANCE OF AN ADVANCING COLD FRONT WILL PRODUCE POTENTIALLY DAMAGING WIND GUSTS TONIGHT. A SQUALL LINE OF STRONG TO SEVERE THUNDERSTORMS WAS SWEEPING EASTWARD THROUGH THE ADVISORY AREA AS WELL. LAZ037-050-057-065-066-MSZ069-281100- /O.CAN.KLIX.WI.Y.0008.000000T0000Z-151228T1100Z/ ST. HELENA-LIVINGSTON-ST. JAMES-UPPER TERREBONNE-LOWER TERREBONNE- AMITE- INCLUDING THE CITIES OF...GREENSBURG...MONTPELIER... DENHAM SPRINGS...WALKER...LUTCHER...GRAMERCY...HOUMA... BAYOU CANE...CHAUVIN...DULAC...MONTEGUT...GLOSTER...LIBERTY... CROSBY 400 AM CST MON DEC 28 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. THE STRONG WINDS HAVE ABATED SINCE THE WIND SHIFT. $$ LAZ058>060-067-071-072-MSZ070-281100- /O.CON.KLIX.WI.Y.0008.000000T0000Z-151228T1100Z/ ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-LOWER LAFOURCHE- NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-PIKE- INCLUDING THE CITIES OF...LAPLACE...RESERVE...THIBODAUX... RACELAND...LAROSE...DESTREHAN...NORCO...GALLIANO...CUT OFF... GOLDEN MEADOW...AMITE...KENTWOOD...HAMMOND...PONCHATOULA...MCCOMB 400 AM CST MON DEC 28 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM CST EARLY THIS MORNING... * TIMING...THROUGH SQUALL LINE PASSAGE PRIOR TO 5 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...FOR THE NEXT HOUR THROUGH SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ LAZ039-040-061>064-068>070-MSZ071-077-080>082-281400- /O.CON.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ WASHINGTON-ST. TAMMANY-UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES- UPPER ST. BERNARD-LOWER JEFFERSON-LOWER PLAQUEMINES- LOWER ST. BERNARD-WALTHALL-PEARL RIVER-HANCOCK-HARRISON-JACKSON- INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL... MANDEVILLE...COVINGTON...LACOMBE...METAIRIE...KENNER... NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...PORT SULPHUR... EMPIRE...YSCLOSKEY...TYLERTOWN...PICAYUNE...BAY ST. LOUIS... WAVELAND...DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA... OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN 400 AM CST MON DEC 28 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * TIMING...BETWEEN 4 AM AND 8 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...2 TO 3 HOURS PRIOR TO SQUALL LINE PASSAGE...ENDING WITH SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 24/RR
752 WWUS74 KLIX 281030 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 430 AM CST MON DEC 28 2015 ...A WIND ADVISORY IS IN EFFECT FOR TONIGHT AND EARLY MONDAY MORNING... .STRONG SOUTHERLY WINDS WELL IN ADVANCE OF AN ADVANCING COLD FRONT WILL PRODUCE POTENTIALLY DAMAGING WIND GUSTS TONIGHT. A SQUALL LINE OF STRONG TO SEVERE THUNDERSTORMS WAS SWEEPING EASTWARD THROUGH THE ADVISORY AREA AS WELL. LAZ058>060-067-071-072-MSZ070-281130- /O.CAN.KLIX.WI.Y.0008.000000T0000Z-151228T1100Z/ ST. JOHN THE BAPTIST-UPPER LAFOURCHE-ST. CHARLES-LOWER LAFOURCHE- NORTHERN TANGIPAHOA-SOUTHERN TANGIPAHOA-PIKE- INCLUDING THE CITIES OF...LAPLACE...RESERVE...THIBODAUX... RACELAND...LAROSE...DESTREHAN...NORCO...GALLIANO...CUT OFF... GOLDEN MEADOW...AMITE...KENTWOOD...HAMMOND...PONCHATOULA...MCCOMB 430 AM CST MON DEC 28 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. THE HIGH WINDS HAVE ABATED WITH THE PASSAGE OF THE SQUALL LINE. $$ LAZ039-040-061>064-068>070-MSZ071-077-080>082-281400- /O.CON.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ WASHINGTON-ST. TAMMANY-UPPER JEFFERSON-ORLEANS-UPPER PLAQUEMINES- UPPER ST. BERNARD-LOWER JEFFERSON-LOWER PLAQUEMINES- LOWER ST. BERNARD-WALTHALL-PEARL RIVER-HANCOCK-HARRISON-JACKSON- INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL... MANDEVILLE...COVINGTON...LACOMBE...METAIRIE...KENNER... NEW ORLEANS...BELLE CHASSE...CHALMETTE...VIOLET...PORT SULPHUR... EMPIRE...YSCLOSKEY...TYLERTOWN...PICAYUNE...BAY ST. LOUIS... WAVELAND...DIAMONDHEAD...GULFPORT...BILOXI...PASCAGOULA... OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN 430 AM CST MON DEC 28 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * TIMING...BETWEEN 430 AM AND 8 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...2 TO 3 HOURS PRIOR TO SQUALL LINE PASSAGE...ENDING WITH SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 24/RR
222 WWUS74 KLIX 281102 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 502 AM CST MON DEC 28 2015 ...A WIND ADVISORY IS IN EFFECT FOR THIS MORNING... .STRONG SOUTHERLY WINDS WELL IN ADVANCE OF AN ADVANCING COLD FRONT WILL PRODUCE POTENTIALLY DAMAGING WIND GUSTS THIS MORNING. A SQUALL LINE OF STRONG TO SEVERE THUNDERSTORMS WAS SWEEPING EASTWARD THROUGH THE ADVISORY AREA AS WELL. THE HIGH WIND THREAT WILL END WITH THE PASSAGE OF THE SQUALL LINE EARLY THIS MORNING. LAZ061-MSZ071-281215- /O.CAN.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ UPPER JEFFERSON-WALTHALL- INCLUDING THE CITIES OF...METAIRIE...KENNER...TYLERTOWN 502 AM CST MON DEC 28 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. THE SQUALL LINE HAS MOVED EAST OF THIS AREA AS OF 5 AM CST. $$ LAZ039-040-062>064-068>070-MSZ077-080>082-281400- /O.CON.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ WASHINGTON-ST. TAMMANY-ORLEANS-UPPER PLAQUEMINES- UPPER ST. BERNARD-LOWER JEFFERSON-LOWER PLAQUEMINES- LOWER ST. BERNARD-PEARL RIVER-HANCOCK-HARRISON-JACKSON- INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL... MANDEVILLE...COVINGTON...LACOMBE...NEW ORLEANS...BELLE CHASSE... CHALMETTE...VIOLET...PORT SULPHUR...EMPIRE...YSCLOSKEY... PICAYUNE...BAY ST. LOUIS...WAVELAND...DIAMONDHEAD...GULFPORT... BILOXI...PASCAGOULA...OCEAN SPRINGS...MOSS POINT...GAUTIER... ST. MARTIN 502 AM CST MON DEC 28 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * TIMING...BETWEEN 5 AM AND 8 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...2 TO 3 HOURS PRIOR TO SQUALL LINE PASSAGE...ENDING WITH SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 24/RR
778 WWUS74 KLIX 281130 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 530 AM CST MON DEC 28 2015 ...A WIND ADVISORY IS IN EFFECT FOR THIS MORNING... .STRONG SOUTHERLY WINDS WELL IN ADVANCE OF A COLD FRONT WILL PRODUCE POTENTIALLY DAMAGING WIND GUSTS THIS MORNING. A SQUALL LINE OF STRONG TO SEVERE THUNDERSTORMS WAS SWEEPING EASTWARD THROUGH THE ADVISORY AREA AS WELL. THE HIGH WIND THREAT WILL END WITH THE PASSAGE OF THE SQUALL LINE EARLY THIS MORNING. LAZ039-040-062>064-068-281230- /O.CAN.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ WASHINGTON-ST. TAMMANY-ORLEANS-UPPER PLAQUEMINES- UPPER ST. BERNARD-LOWER JEFFERSON- INCLUDING THE CITIES OF...BOGALUSA...FRANKLINTON...SLIDELL... MANDEVILLE...COVINGTON...LACOMBE...NEW ORLEANS...BELLE CHASSE... CHALMETTE...VIOLET 530 AM CST MON DEC 28 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. THE SQUALL LINE HAS MOVED EAST OF THE AREA. THE HIGH WINDS HAVE ABATED. $$ LAZ069-070-MSZ077-080>082-281400- /O.CON.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ LOWER PLAQUEMINES-LOWER ST. BERNARD-PEARL RIVER-HANCOCK-HARRISON- JACKSON- INCLUDING THE CITIES OF...PORT SULPHUR...EMPIRE...YSCLOSKEY... PICAYUNE...BAY ST. LOUIS...WAVELAND...DIAMONDHEAD...GULFPORT... BILOXI...PASCAGOULA...OCEAN SPRINGS...MOSS POINT...GAUTIER... ST. MARTIN 530 AM CST MON DEC 28 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * TIMING...BETWEEN 530 AM AND 8 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...ENDING WITH SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 24/RR
064 WWUS74 KLIX 281231 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 631 AM CST MON DEC 28 2015 ...A WIND ADVISORY IS IN EFFECT FOR THIS MORNING... .STRONG SOUTHERLY WINDS AHEAD OF A SQUALL LINE WILL PRODUCE POTENTIALLY DAMAGING WIND GUSTS THIS MORNING. A SQUALL LINE OF STRONG TO SEVERE THUNDERSTORMS WAS SWEEPING EASTWARD THROUGH THE ADVISORY AREA AS WELL. THE HIGH WIND THREAT WILL END WITH THE PASSAGE OF THE SQUALL LINE EARLY THIS MORNING. LAZ069-070-MSZ077-080-281345- /O.CAN.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ LOWER PLAQUEMINES-LOWER ST. BERNARD-PEARL RIVER-HANCOCK- INCLUDING THE CITIES OF...PORT SULPHUR...EMPIRE...YSCLOSKEY... PICAYUNE...BAY ST. LOUIS...WAVELAND...DIAMONDHEAD 631 AM CST MON DEC 28 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. $$ MSZ081-082-281400- /O.CON.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ HARRISON-JACKSON- INCLUDING THE CITIES OF...GULFPORT...BILOXI...PASCAGOULA... OCEAN SPRINGS...MOSS POINT...GAUTIER...ST. MARTIN 631 AM CST MON DEC 28 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * TIMING...BETWEEN 630 AM AND 8 AM. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...ENDING WITH SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 24/RR
061 WWUS74 KLIX 281317 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 717 AM CST MON DEC 28 2015 ...A WIND ADVISORY IS IN EFFECT FOR JACKSON COUNTY UNTIL 8 AM CST... .HIGH WINDS WILL CONTINUE UNTIL A SQUALL LINE MOVES THROUGH JACKSON COUNTY BY 8 AM CST. DAMAGING WINDS WILL BE POSSIBLE AHEAD AND ALONG THE SQUALL LINE. THE THREAT WILL END WITH THE PASSAGE OF THE SQUALL LINE. MSZ081-281430- /O.CAN.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ HARRISON- INCLUDING THE CITIES OF...GULFPORT...BILOXI 717 AM CST MON DEC 28 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. THE SQUALL LINE HAS MOVED INTO JACKSON COUNTY AS OF 715 AM CST. $$ MSZ082-281430- /O.CON.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ JACKSON- INCLUDING THE CITIES OF...PASCAGOULA...OCEAN SPRINGS... MOSS POINT...GAUTIER...ST. MARTIN 717 AM CST MON DEC 28 2015 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM CST THIS MORNING... * TIMING...THROUGH 8 AM CST. * WINDS...SOUTH 20 TO 30 MPH WITH OCCASIONAL GUSTS 35 TO 45 MPH. * DURATION...ENDING WITH SQUALL LINE PASSAGE. * IMPACTS...LIGHT LOOSE OBJECTS MAY GET TOSSED. WEAK TREE BRANCHES AND SMALL TREES MAY FALL. POWER OUTAGES ARE POSSIBLE IF LINES ARE AFFECTED BY FALLEN TREES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 26 TO 39 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ 24/RR
043 WWUS74 KLIX 281401 NPWLIX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NEW ORLEANS LA 801 AM CST MON DEC 28 2015 ...WIND ADVISORY HAS BEEN CANCELLED... .THE WIND ADVISORY THAT HAS BEEN IN EFFECT HAS BEEN ALLOWED TO EXPIRE AT 8 AM CST. MSZ082-281515- /O.CAN.KLIX.WI.Y.0008.000000T0000Z-151228T1400Z/ JACKSON- INCLUDING THE CITIES OF...PASCAGOULA...OCEAN SPRINGS... MOSS POINT...GAUTIER...ST. MARTIN 801 AM CST MON DEC 28 2015 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE WIND ADVISORY. THE SQUALL LINE WILL MOVE OUT OF JACKSON COUNTY AT 815 AM...THUS ENDING THE HIGH WIND THREAT. $$ 24/RR
What forecasters said that day
The local office's own words before this wind advisory 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 wind advisory went out at Dec 27, 6:49 PM CST, 5 hours 11 minutes earlier.
Area forecast discussion, Dec 27, 6:49 PM CST, 5 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS LA
649 PM CST SUN DEC 27 2015
...SOUNDING DISCUSSION...
WITH THE LOSS OF DAYTIME HEATING TO INITIATE CONVECTION...WE ARE
IN A BIT OF A LULL AT THE MOMENT. THAT WILL CHANGE AS A COLD FRONT
MOVES ACROSS THE AREA TONIGHT PROVIDING LARGE SCALE LIFT.
OVERALL..THE ATMOSPHERE HAS PLENTY OF INSTABILITY WITH CAPE VALUES
OVER 2000 J/KG AND A PLETHORA OF MOISTURE TO WORK WITH AS THE
PRECIPITABLE WATER VALUE OF 1.70 INCHES IS NEAR THE RECORD VALUE
FOR THIS DATE/TIME. LAPSE RATES ARE MODEST AT THIS TIME...BUT THEY
SHOULD STEEPEN AS THE COLD FRONT MOVES INTO THE AREA. THE LCL IS
LOW AROUND 550 FEET/175 METERS. DIRECTIONAL AND SOME SPEED SHEAR
ARE PRESENT WITH 0-1 AND 0-3KM SRH VALUES ABOVE 200 M2/S2. THIS IS
SUPPORTIVE OF ROTATING UPDRAFTS. AS FOR DAMAGING STRAIGHT LINE
WIND GUSTS POTENTIAL...DOWNDRAFT CAPE IS FAVORABLE AT 1265 J/KG.
IF NEEDED...A SPECIAL BALLOON RELEASE IS POSSIBLE AROUND
6Z/MIDNIGHT TO HELP FURTHER ASSESS THE OVERNIGHT SEVERE WEATHER
THREAT.
00Z BALLOON INFO: A SUCCESSFUL FLIGHT THAT ATTAINED A HEIGHT OF
20.7 MILES ABOVE THE GROUND AFTER ASCENDING FOR 94 MINUTES. THE
BALLOON BURST OVER MCHENRY 40 MILES DOWNRANGE FROM THE OFFICE.
ANSORGE
&&
.PREV DISCUSSION... /ISSUED 348 PM CST SUN DEC 27 2015/
SHORT TERM...
SHOWERS AND A FEW STRIKES OF LIGHTNING ARE NOW DEVELOPING ACROSS
THE AREA WITH THE BULK OF THE ACTIVITY AT THIS POINT ALONG THE
I-12 CORRIDOR AND POINTS NORTH. THE FRONT IS NOW MOVING INTO
EASTERN PARTS OF TEXAS WITH THE MAIN LINE OF THUNDERSTORMS
STRETCHING FROM NEAR TEXARKANA DOWN TO THE HOUSTON AREA.
THIS CONVECTION OUT AHEAD OF THE MAIN LINE TO THE WEST IS SHOWING
SIGNS OF INCREASING IN COVERAGE AND INTENSITY AND COULD PRODUCE
SOME STRONG TO SEVERE THUNDERSTORMS...MAINLY NORTH OF I-12 IN
SOUTHEAST LOUISIANA AND SOUTHWEST MISSISSIPPI. THE MAIN THREATS
WILL BE STRONG GUSTY WINDS AND AN ISOLATED TORNADO. IN
ADDITION...THE GRADIENT WILL TIGHTEN AND WINDS WILL PICK UP THIS
EVENING ESPECIALLY SOUTH OF THE TIDAL LAKES. WINDS IN EXCESS OF 20
MILES PER HOUR WITH SOME GUSTS NEAR OR ABOVE 30 ARE POSSIBLE.
OPTED AGAINST A WIND ADVISORY DUE TO BEING JUST BELOW CRITERIA AND
THE RELATIVE SHORT LIVED PERIOD WE SHOULD SEE THESE INCREASED
WINDS. WILL CONTINUE TO MONITOR.
NOT MUCH HAS CHANGED WITH THE FORECAST REASONING FOR OVERNIGHT
TONIGHT AND INTO TOMORROW AS THE FRONT WILL CONTINUE TO MAKE
PROGRESS INTO THE AREA BRINING THE SQUALL LINE WITH IT. LATEST
HRRR RUN SHOWS LINE MOVING INTO THE CWA AROUND MIDNIGHT...INTO THE
BATON ROUGE AREA AROUND 2AM AND INTO THE NEW ORLEANS METRO AREA
AROUND 4AM AND INTO THE MISSISSIPPI COASTAL COUNTIES BY MID
MORNING. THE MAIN THREATS CONTINUE TO BE STRONG GUSTY WINDS AND
THE POTENTIAL FOR SOME ISOLATED TORNADOES EMBEDDED IN THE LINE.
AFTER THE FRONT COMES THROUGH...MUCH MORE SEASONAL WEATHER IS ON
TAP WITH HIGHS ON MONDAY INTO THE UPPER 50S TO LOWER 60S AND LOWS
DROPPING INTO THE 40S AND 50S.
LONG TERM...
THE NEXT SYSTEM LOOKS TO AFFECT THE AREA WEDNESDAY AS ANOTHER
IMPULSE MOVES NORTH OF THE FORECAST AREA AND INTERACTS WITH THE
BOUNDARY...WHICH WILL STILL BE AROUND THE AREA. RAIN CHANCES
CONTINUE TO BE HIGH ON WEDNESDAY AND COLDER TEMPERATURES WILL
MOVE IN THURSDAY THROUGH THE WEEKEND. TEMPERATURES FRIDAY AND
SATURDAY LIKELY TO ACTUALLY BE BELOW NORMAL FOR THE FIRST TWO
DAYS OF THE NEW YEAR...QUITE A CHANGE FROM THE PAST FEW WEEKS.
AVIATION...
CEILINGS CURRENTLY VARIABLE BETWEEN MVFR AND VFR AT MOST LOCATIONS.
SCATTERED SHOWERS PRIMARILY AFFECTING KBTR...KMCB AND KHDC AT THIS
TIME. CANNOT RULE OUT A LITTLE LIGHTNING...BUT WILL HANDLE THIS WITH
AMENDMENTS. WIND GUSTS TO 25 KNOTS COULD CAUSE CROSSWIND ISSUED
DEPENDING ON RUNWAY ORIENTATION.
EXPECT MVFR CEILINGS TO BECOME PREDOMINANT AFTER 00Z. CONVECTION
OVER EAST TEXAS IS EXPECTED TO DEVELOP A SQUALL LINE AND MOVE
EASTWARD LATER TONIGHT. TRIED TO GIVE A 1-2 HOUR TIMING WINDOW FOR
BEST CHANCE OF CONVECTION. LIKELY TO BE A BRIEF PERIOD WITH IFR
CEILINGS...VISIBILITIES AND WIND GUSTS TO AROUND 40 KNOTS ASSOCIATED
WITH THE CONVECTION. BEHIND THE CONVECTION...MVFR CEILINGS SHOULD BE
THE RULE...WITH SOME IMPROVEMENT TO LOW END VFR POSSIBLE BY
MIDDAY.
MARINE...
MAIN CONCERN WILL BE WINDS AND SEAS AHEAD OF...AND JUST BEHIND COLD
FRONT. WILL EXPAND SMALL CRAFT ADVISORY TO INCLUDE ALL COASTAL
WATERS THROUGH 18Z MONDAY...AND MIGHT NEED EXTENDED FOR A BIT BEYOND
THAT. ITS POSSIBLE THAT A PERIOD OF GALE FORCE GUSTS COULD OCCUR
AHEAD OF FRONT...BUT THREAT NOT HIGH ENOUGH TO INCLUDE GALE WARNING
AT THIS TIME. CONVECTIVE GUSTS ABOVE 40 KNOTS POSSIBLE WITH
CONVECTION...BUT THESE WOULD BE COVERED UNDER SPECIAL MARINE
WARNINGS.
WINDS SHOULD RELAX FOR TUESDAY AND WEDNESDAY BEFORE ANOTHER SURGE OF
COLDER AIR BRINGS AN INCREASE IN WINDS AND SEAS FOR THURSDAY AND
FRIDAY.
DECISION SUPPORT...
DSS CODE....BLUE.
DEPLOYED...NONE.
ACTIVATION...NONE.
ACTIVITIES...ASSESSING SEVERE WEATHER POTENTIAL FOR TONIGHT/MON AM.
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 RISK SVR AND/OR DIRECT
TROPICAL THREATS; EVENTS OF NATIONAL SIGNIFICANCE
&&
.PRELIMINARY POINT TEMPS/POPS...
MCB 56 60 42 59 / 100 60 10 10
BTR 54 59 42 59 / 100 30 10 10
ASD 61 65 47 62 / 100 60 20 10
MSY 59 62 49 63 / 100 50 20 10
GPT 64 69 50 63 / 100 80 20 10
PQL 67 70 50 65 / 100 80 20 20
&&
.LIX WATCHES/WARNINGS/ADVISORIES...
LA...NONE.
GM...SMALL CRAFT ADVISORY UNTIL NOON CST MONDAY FOR GMZ530-532-534-
536-538-550-552-555-557-570-572-575-577.
MS...NONE.
GM...SMALL CRAFT ADVISORY UNTIL NOON CST MONDAY FOR GMZ532-534-536-
538-550-552-555-557-570-572-575-577.
&&Hazardous weather outlook, Dec 27, 11:04 PM CST, 56 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE NEW ORLEANS LA 1104 PM CST SUN DEC 27 2015 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>082-281715- 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- 1104 PM CST SUN DEC 27 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST LOUISIANA...SOUTH MISSISSIPPI AND THE ADJACENT COASTAL WATERS. .DAY ONE...TONIGHT TORNADO WATCH 573 IS IN EFFECT UNTIL 5 AM CST FOR COUNTIES AND PARISHES WEST OF THE I-55 CORRIDOR...INCLUDING THE METRO BATON ROUGE AREA. ANOTHER TORNADO WATCH MAY BE ISSUED TOWARDS MORNING FOR AREAS SOUTH AND EAST. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT FOR THE ENTIRE OUTLOOK AREA WEST OF THE US HIGHWAY 49 CORRIDOR. A SQUALL LINE ASSOCIATED WITH A COLD FRONT WILL BE CAPABLE OF PRODUCING WIND GUSTS OF 4O TO 60 MPH AS IT MOVES EAST THROUGH THE AREA OVERNIGHT. THE SQUALL SHOULD BE NEAR THE ATCHAFALAYA AND MISSISSIPPI RIVER BASIN SHORTLY AFTER MIDNIGHT...THE GREATER BATON ROUGE AREA BETWEEN 1 AND 2 AM...I-55 CORRIDOR BETWEEN 2 AND 3 AM...GREATER NEW ORLEANS AREA BETWEEN 3 AND 5 AM...PEARL RIVER BASIN 4 TO 6 AM...GULFPORT/US 49 CORRIDOR SHORTLY AFTER 6 AM. ISOLATED TORNADOES CAN NOT BE RULED OUT AS STRONG WINDS ARE INDICATED JUST ABOVE GROUND LEVEL. IN ADDITION...STRONG WIND GUSTS NOT ASSOCIATED WITH STORMS WILL BE POSSIBLE OVERNIGHT PRIOR TO SQUALL PASSAGE. SOME GUSTS MAY REACH 35 TO 40 MPH AT TIMES. A SMALL CRAFT ADVISORY IS IN EFFECT FOR ALL COASTAL WATERS TONIGHT FOR STRONG SOUTH WINDS SHIFTING TO STRONG WEST WINDS OVERNIGHT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS EAST OF THE US 49 CORRIDOR THROUGH MID-MORNING MONDAY FOR ANTICIPATED ONGOING SQUALL LINE PASSAGE BETWEEN 6 AM AND 9 AM. SMALL CRAFT ADVISORIES ARE IN EFFECT UNTIL NOON ON MONDAY FOR ALL COASTAL WATERS. AND MAY NEED TO BE EXTENDED INTO THE AFTERNOON HOURS IN SOME AREAS. ANOTHER STRONG COLD FRONT WILL LIKELY PROMPT ANOTHER SMALL CRAFT ADVISORY ISSUANCE WEDNESDAY AND THURSDAY FOR STRONG NORTH WINDS AND ROUGH SEAS. WEATHER CAN CHANGE VERY RAPIDLY. ALWAYS USE THE LATEST FORECASTS...WATCHES AND WARNINGS FOR PLANNING PURPOSES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS REQUESTED FOR TONIGHT AND EARLY MONDAY MORNING FOR THE ENTIRE OUTLOOK AREA. THE SEVERE WEATHER THREAT WILL END FROM WEST TO EAST WITH THE SQUALL PASSAGE...AT WHICH TIME ACTIVATION CAN STAND DOWN. 24/RR
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 12:48 AM CST | Special Weather Statement | LIX | Iberville, Pointe Coupee, West Baton Rouge, West Feliciana | 57 min |
| Dec 28, 1:35 AM CST | Tornado Warning | LIX | East Feliciana | 25 min |
| Dec 28, 1:41 AM CST | Severe Thunderstorm Warning | LIX | East Baton Rouge, Iberville, Pointe Coupee, West Baton Rouge | 30 min |
| Dec 28, 1:46 AM CST | Special Marine Warning | LIX | 89 min | |
| Dec 28, 1:51 AM CST | Tornado Warning | LIX | Iberville | 24 min |
| Dec 28, 1:55 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Assumption, Iberville | 50 min |
| Dec 28, 2:15 AM CST | Special Weather Statement | LIX | East Baton Rouge, East Feliciana | 30 min |
| Dec 28, 2:17 AM CST | Tornado Warning | LIX | Ascension, East Baton Rouge, Iberville, Livingston | 28 min |
| Dec 28, 2:22 AM CST | Severe Thunderstorm Warning | LIX | Ascension, East Baton Rouge, Iberville, Livingston | 38 min |
| Dec 28, 2:28 AM CST | Tornado Warning | LIX | Livingston, Saint Helena | 47 min |
| Dec 28, 2:35 AM CST | Severe Thunderstorm Warning | LIX | Ascension, Assumption, Livingston, Saint James, Saint John the Baptist | 40 min |
| Dec 28, 2:41 AM CST | Tornado Warning | LIX | East Baton Rouge, East Feliciana, Livingston, Saint Helena | 49 min |
| Dec 28, 2:49 AM CST | Special Weather Statement | LIX | Lafourche, Terrebonne | 26 min |
| Dec 28, 2:53 AM CST | Tornado Warning | LIX | Livingston, Saint Helena, Tangipahoa | 67 min |
| Dec 28, 3:03 AM CST | Severe Thunderstorm Warning | LIX | Livingston, Saint Helena, Tangipahoa | 57 min |
| Dec 28, 3:05 AM CST | Severe Thunderstorm Warning | LIX | Lafourche, Terrebonne | 40 min |
| Dec 28, 3:17 AM CST | Special Weather Statement | LIX | Saint John the Baptist | 43 min |
| Dec 28, 3:20 AM CST | Special Marine Warning | LIX | 55 min | |
| Dec 28, 3:28 AM CST | Tornado Warning | LIX | Saint John the Baptist, Tangipahoa | 32 min |
| Dec 28, 3:33 AM CST | Tornado Warning | LIX | Saint Tammany, Tangipahoa, Washington | 27 min |
| Dec 28, 3:47 AM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 58 min |
| Dec 28, 4:00 AM CST | Tornado Warning | LIX | Saint Tammany, Washington | 30 min |
| Dec 28, 4:10 AM CST | Special Weather Statement | LIX | Jefferson, Orleans | 65 min |
| Dec 28, 4:11 AM CST | Special Marine Warning | LIX | 64 min | |
| Dec 28, 4:28 AM CST | Tornado Warning | LIX | Saint Tammany | 32 min |
| Dec 28, 4:29 AM CST | Severe Thunderstorm Warning | LIX | Washington | 31 min |
| Dec 28, 4:35 AM CST | Tornado Warning | LIX | Washington | 25 min |
| Dec 28, 4:47 AM CST | Severe Thunderstorm Warning | LIX | Orleans, Plaquemines, Saint Bernard, Saint Tammany | 28 min |
| Dec 28, 4:51 AM CST | Special Marine Warning | LIX | 24 min | |
| Dec 28, 5:09 AM CST | Special Marine Warning | LIX | 66 min | |
| Dec 28, 6:07 AM CST | Special Marine Warning | LIX | 53 min | |
| Dec 28, 7:01 AM CST | Special Marine Warning | LIX | 89 min | |
| Dec 28, 2:02 AM CST | Severe Thunderstorm Warning | LIX | Wilkinson | 28 min |
| Dec 28, 2:24 AM CST | Severe Thunderstorm Warning | LIX | Amite, Wilkinson | 36 min |
| Dec 28, 2:35 AM CST | Tornado Warning | LIX | Amite | 10 min |
| Dec 28, 2:38 AM CST | Tornado Warning | LIX | Amite | 37 min |
| Dec 28, 3:06 AM CST | Tornado Warning | LIX | Amite | 24 min |
| Dec 28, 5:31 AM CST | Special Weather Statement | LIX | Hancock, Harrison, Pearl River | 59 min |
| Dec 28, 6:31 AM CST | Tornado Warning | LIX | Harrison | 29 min |
| Dec 28, 7:12 AM CST | Special Weather Statement | LIX | Jackson | 63 min |
Nearby
Wind Advisories in Louisiana, 2015Wind Advisories in Mississippi, 2015Every wind advisory in 2015
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.