Alert archive / Louisiana / Gale Warnings in 2012

Gale Warning 2, NWS New Orleans, LA

April 20, 2012

NWS New Orleans, LA issued this gale warning at Apr 20, 2012, 9:31 PM CDT. It took effect at Apr 21, 2012, 7:00 PM CDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 20, 2012, 9:31 PM CDT (02:31 UTC)
In effect from
Apr 21, 2012, 7:00 PM CDT
Expired
Apr 22, 2012, 3:48 AM CDT
In force
9 hr
Issued by
NWS New Orleans, LA

The text

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

137 
WHUS74 KLIX 210231
MWWLIX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
931 PM CDT FRI APR 20 2012

...SMALL CRAFT ADVISORY CONDITIONS EXPECTED OVER THE COASTAL
WATERS SATURDAY AFTERNOON...
...GALE CONDITIONS EXPECTED SATURDAY NIGHT AND SUNDAY MORNING...

.THE COMBINATION OF A COLD FRONT PUSHING THROUGH THE AREA ALONG
WITH A DEVELOPING SURFACE LOW THAT IS EXPECTED TO MOVE SLOWLY
EASTWARD ACROSS THE NORTHERN GULF WILL LEAD TO INCREASED WINDS
AND SEAS FOR ALL OF THE AREA COASTAL WATERS OVER THE WEEKEND.
GALE FORCE WINDS GUSTS ARE EXPECTED SATURDAY EVENING THROUGH MID 
MORNING ON SUNDAY.

GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-211045-
/O.CON.KLIX.SC.Y.0027.120421T1900Z-120422T0000Z/
/O.UPG.KLIX.GL.A.0001.120422T0000Z-120422T1500Z/
/O.NEW.KLIX.GL.W.0002.120422T0000Z-120422T1500Z/
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-
931 PM CDT FRI APR 20 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM TO 7 PM CDT
SATURDAY...
...GALE WARNING IN EFFECT FROM 7 PM SATURDAY TO 10 AM CDT
SUNDAY...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT FROM 7 PM SATURDAY TO 10 AM CDT
SUNDAY. THE GALE WATCH IS NO LONGER IN EFFECT. 

* WINDS...NORTH WINDS 20 TO 25 KNOTS ARE EXPECTED SATURDAY
  AFTERNOON. WINDS WILL INCREASE TO 25 TO 30 KNOTS WITH FREQUENT GUSTS
  OF 35 TO 40 KNOTS SATURDAY NIGHT AND SUNDAY MORNING.

* WAVES/SEAS...WAVES WILL INCREASE TO 3 TO 5 FEET SATURDAY
  AFTERNOON AND 4 TO 7 FEET SATURDAY NIGHT AND SUNDAY MORNING
  ACROSS THE TIDAL LAKES AND SOUNDS. SEAS IN THE COASTAL WATERS
  WILL RISE TO 5 TO 7 FEET OVER THE NEAR SHORE WATERS AND 7 TO 10
  FEET IN THE WATERS GREATER THAN 20 NAUTICAL MILES FROM SHORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
5 follow-up statements
240 
WHUS74 KLIX 210921
MWWLIX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
421 AM CDT SAT APR 21 2012

...SMALL CRAFT ADVISORY CONDITIONS EXPECTED OVER THE COASTAL
WATERS THIS AFTERNOON...
...GALE CONDITIONS EXPECTED TONIGHT AND SUNDAY MORNING...

.THE COMBINATION OF A COLD FRONT PUSHING THROUGH THE AREA ALONG
WITH A DEVELOPING SURFACE LOW THAT IS EXPECTED TO MOVE SLOWLY
EASTWARD ACROSS THE NORTHERN GULF WILL LEAD TO INCREASED WINDS
AND SEAS FOR ALL OF THE AREA COASTAL WATERS TODAY INTO SUNDAY.
FREQUENT GALE FORCE WINDS GUSTS ARE EXPECTED THIS EVENING THROUGH
MID MORNING SUNDAY.

GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-211730-
/O.CON.KLIX.SC.Y.0027.120421T1900Z-120422T0000Z/
/O.CON.KLIX.GL.W.0002.120422T0000Z-120422T1500Z/
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-
421 AM CDT SAT APR 21 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 7 PM CDT THIS EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
CDT SUNDAY...

* WINDS...NORTH WINDS 20 TO 25 KNOTS ARE EXPECTED THIS AFTERNOON.
  WINDS WILL INCREASE TO 25 TO 30 KNOTS WITH FREQUENT GUSTS OF 35
  TO 40 KNOTS TONIGHT AND SUNDAY MORNING.

* WAVES/SEAS...WAVES WILL INCREASE TO 3 TO 5 FEET THIS AFTERNOON
  AND 4 TO 6 FEET TONIGHT AND SUNDAY MORNING ACROSS THE TIDAL
  LAKES AND SOUNDS. SEAS IN THE COASTAL WATERS WILL RISE TO 5 TO 7
  FEET OVER THE NEAR SHORE WATERS AND 7 TO 10 FEET IN THE WATERS
  BEYOND 20 NAUTICAL MILES FROM SHORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

24/RR
460 
WHUS74 KLIX 211555
MWWLIX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1055 AM CDT SAT APR 21 2012

...SMALL CRAFT ADVISORY CONDITIONS EXPECTED OVER THE COASTAL
WATERS THIS AFTERNOON... ...GALE CONDITIONS EXPECTED TONIGHT AND
SUNDAY MORNING...

.THE COMBINATION OF A COLD FRONT PUSHING THROUGH THE AREA ALONG
WITH A DEVELOPING SURFACE LOW THAT IS EXPECTED TO MOVE SLOWLY
EASTWARD ACROSS THE NORTHERN GULF WILL LEAD TO INCREASED WINDS
AND SEAS FOR ALL OF THE AREA COASTAL WATERS TODAY INTO SUNDAY.
FREQUENT GALE FORCE WINDS GUSTS ARE EXPECTED THIS EVENING THROUGH
MID MORNING SUNDAY.

GMZ530-532-534-220000-
/O.EXT.KLIX.SC.Y.0027.120421T1555Z-120422T0000Z/
/O.CON.KLIX.GL.W.0002.120422T0000Z-120422T1500Z/
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND-
LAKE BORGNE-
1055 AM CDT SAT APR 21 2012

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
CDT SUNDAY...

* WINDS...NORTH WINDS 20 TO 25 KNOTS ARE EXPECTED THIS 
  AFTERNOON. WINDS WILL INCREASE TO 25 TO 30 KNOTS WITH FREQUENT 
  GUSTS OF 35 TO 40 KNOTS TONIGHT AND SUNDAY MORNING. 

* WAVES/SEAS...WAVES WILL INCREASE TO 3 TO 5 FEET THIS AFTERNOON 
  AND 4 TO 6 FEET TONIGHT AND SUNDAY MORNING ACROSS THE TIDAL 
  LAKES AND SOUNDS. SEAS IN THE COASTAL WATERS WILL RISE TO 5 TO 
  7 FEET OVER THE NEAR SHORE WATERS AND 7 TO 10 FEET IN THE 
  WATERS BEYOND 20 NAUTICAL MILES FROM SHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ536-538-550-552-555-557-570-572-575-577-220000-
/O.CON.KLIX.SC.Y.0027.120421T1900Z-120422T0000Z/
/O.CON.KLIX.GL.W.0002.120422T0000Z-120422T1500Z/
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-
1055 AM CDT SAT APR 21 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 7 PM CDT THIS EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
CDT SUNDAY...

* WINDS...NORTH WINDS 20 TO 25 KNOTS ARE EXPECTED THIS 
  AFTERNOON. WINDS WILL INCREASE TO 25 TO 30 KNOTS WITH FREQUENT 
  GUSTS OF 35 TO 40 KNOTS TONIGHT AND SUNDAY MORNING. 

* WAVES/SEAS...WAVES WILL INCREASE TO 3 TO 5 FEET THIS AFTERNOON 
  AND 4 TO 6 FEET TONIGHT AND SUNDAY MORNING ACROSS THE TIDAL 
  LAKES AND SOUNDS. SEAS IN THE COASTAL WATERS WILL RISE TO 5 TO 
  7 FEET OVER THE NEAR SHORE WATERS AND 7 TO 10 FEET IN THE 
  WATERS BEYOND 20 NAUTICAL MILES FROM SHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
815 
WHUS74 KLIX 212059
MWWLIX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
359 PM CDT SAT APR 21 2012

...SMALL CRAFT ADVISORY CONDITIONS EXPECTED OVER THE COASTAL
WATERS THIS AFTERNOON... ...GALE CONDITIONS EXPECTED TONIGHT AND
SUNDAY MORNING...

.THE COMBINATION OF A COLD FRONT PUSHING THROUGH THE AREA ALONG
WITH A DEVELOPING SURFACE LOW THAT IS EXPECTED TO MOVE SLOWLY
EASTWARD ACROSS THE NORTHERN GULF WILL LEAD TO INCREASED WINDS
AND SEAS FOR ALL OF THE AREA COASTAL WATERS TODAY INTO SUNDAY.
FREQUENT GALE FORCE WINDS GUSTS ARE EXPECTED THIS EVENING THROUGH
MID MORNING SUNDAY.

GMZ536-538-550-552-555-557-570-572-575-577-220500-
/O.CON.KLIX.SC.Y.0027.000000T0000Z-120422T0000Z/
/O.CON.KLIX.GL.W.0002.120422T0000Z-120422T1500Z/
/O.NEW.KLIX.SC.Y.0028.120422T1500Z-120423T0000Z/
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-
359 PM CDT SAT APR 21 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
CDT SUNDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT FROM 10 AM TO 7 PM CDT
SUNDAY. 

* WINDS...NORTH WINDS 20 TO 25 KNOTS ARE EXPECTED THIS 
  AFTERNOON. WINDS WILL INCREASE TO 25 TO 30 KNOTS WITH FREQUENT 
  GUSTS OF 35 TO 40 KNOTS TONIGHT AND SUNDAY MORNING. 

* WAVES/SEAS...WAVES WILL INCREASE TO 3 TO 5 FEET THIS AFTERNOON 
  AND 4 TO 6 FEET TONIGHT AND SUNDAY MORNING ACROSS THE TIDAL 
  LAKES AND SOUNDS. SEAS IN THE COASTAL WATERS WILL RISE TO 5 TO 
  7 FEET OVER THE NEAR SHORE WATERS AND 7 TO 10 FEET IN THE 
  WATERS BEYOND 20 NAUTICAL MILES FROM SHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ530-532-534-220500-
/O.CON.KLIX.SC.Y.0027.000000T0000Z-120422T0000Z/
/O.CON.KLIX.GL.W.0002.120422T0000Z-120422T1500Z/
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND-
LAKE BORGNE-
359 PM CDT SAT APR 21 2012

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM
CDT SUNDAY...

* WINDS...NORTH WINDS 20 TO 25 KNOTS ARE EXPECTED THIS 
  AFTERNOON. WINDS WILL INCREASE TO 25 TO 30 KNOTS WITH FREQUENT 
  GUSTS OF 35 TO 40 KNOTS TONIGHT AND SUNDAY MORNING. 

* WAVES/SEAS...WAVES WILL INCREASE TO 3 TO 5 FEET THIS AFTERNOON 
  AND 4 TO 6 FEET TONIGHT AND SUNDAY MORNING ACROSS THE TIDAL 
  LAKES AND SOUNDS. SEAS IN THE COASTAL WATERS WILL RISE TO 5 TO 
  7 FEET OVER THE NEAR SHORE WATERS AND 7 TO 10 FEET IN THE 
  WATERS BEYOND 20 NAUTICAL MILES FROM SHORE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
459 
WHUS74 KLIX 220230
MWWLIX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
930 PM CDT SAT APR 21 2012

...GALE CONDITIONS EXPECTED TONIGHT AND SUNDAY MORNING...

.THE COMBINATION OF A COLD FRONT PUSHING THROUGH THE AREA ALONG
WITH A DEEPENING LOW PRESSURE AREA OVER THE NORTHEAST GULF OF
MEXICO WILL LEAD TO INCREASED WINDS AND SEAS FOR ALL OF THE AREA
COASTAL WATERS TONIGHT INTO SUNDAY. FREQUENT GALE FORCE WINDS
GUSTS ARE EXPECTED THROUGH EARLY MORNING SUNDAY.

GMZ536-538-550-552-555-557-570-572-575-577-221030-
/O.CON.KLIX.GL.W.0002.000000T0000Z-120422T1500Z/
/O.CON.KLIX.SC.Y.0028.120422T1500Z-120423T0000Z/
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-
930 PM CDT SAT APR 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
SUNDAY...

* WINDS...NORTH WINDS OF 25 TO 30 KNOTS WITH FREQUENT GUSTS OF 35
  TO 40 KNOTS TONIGHT AND SUNDAY MORNING.

* WAVES/SEAS...WAVES OF 4 TO 6 FEET TONIGHT AND SUNDAY MORNING
  ACROSS THE TIDAL LAKES AND SOUNDS. SEAS IN THE COASTAL WATERS
  WILL BE 5 TO 7 FEET OVER THE NEAR SHORE WATERS AND 7 TO 10 FEET
  IN THE WATERS BEYOND 20 NAUTICAL MILES FROM SHORE.

PRECAUTIONARY AND PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ530-532-534-221030-
/O.CON.KLIX.GL.W.0002.000000T0000Z-120422T1500Z/
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-MISSISSIPPI SOUND-
LAKE BORGNE-
930 PM CDT SAT APR 21 2012

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT SUNDAY...

* WINDS...NORTH WINDS OF 25 TO 30 KNOTS WITH FREQUENT GUSTS OF 35
  TO 40 KNOTS TONIGHT AND SUNDAY MORNING.

* WAVES/SEAS...WAVES WILL BE 4 TO 6 FEET TONIGHT AND SUNDAY
  MORNING ACROSS THE TIDAL LAKES AND SOUNDS. SEAS IN THE COASTAL
  WATERS WILL BE 5 TO 7 FEET OVER THE NEAR SHORE WATERS AND 7 TO
  10 FEET IN THE WATERS BEYOND 20 NAUTICAL MILES FROM SHORE.

PRECAUTIONARY AND PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$
135 
WHUS74 KLIX 220848
MWWLIX

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE NEW ORLEANS LA
348 AM CDT SUN APR 22 2012

...GUSTY WINDS CONTINUING THROUGH TONIGHT...

.A DEEPENING LOW PRESSURE AREA OVER THE NORTHEAST GULF OF MEXICO
HAS LED TO INCREASED WINDS AND SEAS FOR ALL OF THE COASTAL WATERS.
WINDS MAY EASE FOR A TIME TODAY...BUT A REINFORCING SHOT OF COOL
AIR WILL ALLOW WINDS AND WAVES TO INCREASE AGAIN TONIGHT. 

GMZ536-538-550-552-555-557-570-572-575-577-221700-
/O.CAN.KLIX.GL.W.0002.000000T0000Z-120422T1500Z/
/O.EXT.KLIX.SC.Y.0028.120422T0848Z-120423T1200Z/
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-
348 AM CDT SUN APR 22 2012

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CDT MONDAY...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS CANCELLED THE
GALE WARNING. 

* WINDS...NORTH WINDS OF 20 TO 30 KNOTS WITH A FEW GUSTS NEAR 35
  KNOTS TODAY AND TONIGHT.

* WAVES/SEAS...WAVES OF 4 TO 6 FEET TODAY AND TONIGHT ACROSS THE
  SOUNDS. SEAS IN THE COASTAL WATERS WILL BE 5 TO 7 FEET OVER THE
  NEAR SHORE WATERS AND 7 TO 10 FEET IN THE WATERS BEYOND 20
  NAUTICAL MILES FROM SHORE.

PRECAUTIONARY AND PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ530-534-221500-
/O.CAN.KLIX.GL.W.0002.000000T0000Z-120422T1500Z/
/O.EXB.KLIX.SC.Y.0028.120422T0848Z-120422T1500Z/
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-LAKE BORGNE-
348 AM CDT SUN APR 22 2012

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM CDT THIS MORNING.
THE GALE WARNING HAS BEEN CANCELLED. 

* WINDS...NORTH WINDS OF 20 TO 25 KNOTS WILL GRADUALLY EASE TO 15
  TO 20 KNOTS THIS MORNING. 

* WAVES/SEAS...WAVES OF 3 TO 5 FEET. 

PRECAUTIONARY AND PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

GMZ532-221700-
/O.CAN.KLIX.GL.W.0002.000000T0000Z-120422T1500Z/
/O.EXB.KLIX.SC.Y.0028.120422T0848Z-120423T1200Z/
MISSISSIPPI SOUND-
348 AM CDT SUN APR 22 2012

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT MONDAY...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A SMALL
CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM CDT MONDAY. THE
GALE WARNING HAS BEEN CANCELLED. 

* WINDS...NORTH WINDS OF 20 TO 25 KNOTS WITH GUSTS TO 30 KNOTS
  TODAY AND TONIGHT.

* WAVES/SEAS...WAVES OF 3 TO 5 FEET.

PRECAUTIONARY AND PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 20 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

What forecasters said that day

The local office's own words before this gale warning 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 gale warning went out at Apr 20, 9:03 PM CDT, 28 minutes earlier.

Area forecast discussion, Apr 20, 9:03 PM CDT, 28 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS LA
903 PM CDT FRI APR 20 2012

.UPDATE...

.SOUNDING DISCUSSION...

NO PROBLEMS WITH THE FLIGHT THIS EVENING. STILL A VERY DRY AND AND
QUIET EARLY EVENING WITH A PW OF 0.71 INCHES. A FEW CUMULUS CLOUDS
PRESENT AT 4400 FEET WHERE DEW POINT DEPRESSIONS WERE AROUND 6
DEGREES FAHRENHEIT. A LARGE CAP OF DRY AIR REMAINING IN PLACE
ABOVE 850 MB. A LIGHT TO MODERATE SOUTHWESTERLY FLOW FROM THE
SURFACE UP THROUGH THE UPPER LEVELS.

&&

.PREV DISCUSSION... /ISSUED 740 PM CDT FRI APR 20 2012/

UPDATE...
UPDATED FORECAST TO REFLECT CURRENT CONDITIONS. ALSO INCREASED
POPS FOR TONIGHT TO THE LIKELY CATEGORY. A LINE OF SHOWERS AND
THUNDERSTORMS ARE CURRENTLY MOVING ACROSS WESTERN LOUISIANA.
CURRENT TRENDS INDICATE THAT THE STORMS SHOULD WEAKEN AS THEY
APPROACH THE FORECAST AREA.

PREV DISCUSSION... /ISSUED 358 PM CDT FRI APR 20 2012/

SHORT TERM...
MOST SIGNIFICANT PORTION OF THE FORECAST WILL BE NOW THROUGH SUNDAY.
DEEPENING UPPER LEVEL TROUGH IS CURRENTLY TRACKING ACROSS THE
MIDSECTION OF THE COUNTRY. ASSOCIATED FRONTAL BOUNDARY IS NOW MOVING
INTO NWRN PORTIONS OF THE STATE. WHILE SOME OF THIS ACTIVITY WILL
REACH WESTERN PORTIONS OF THE CWA NEAR BATON ROUGE WITHIN THE NEXT
FEW HOURS OR SO...THE SHOWER/STORMS WILL LIKELY BE IN A WEAKENING
PHASE. NEVERTHELESS...HAVE BUMP POPS UP A LITTLE. MEANWHILE...THE
BASE OF THE TROUGH IS FCST BY MODELS TO SEPARATE INTO A CLOSED LOW
AS IT TRANSITIONS ACROSS THE AREA. BASE OF THE LOW SHOULD BE JUST
OFFSHORE MIDDAY SATURDAY. AT THIS TIME...ONLY LIGHTER RAIN ON
NORTHERN PORTIONS OF THE CWA WHILE HEAVIER SHOWERS AND ISO STORMS
MORE TIGHTLY PACKED TO THE LOW CENTER. ECMWF AND CANADIAN MODELS TAKE
A SLIGHTLY MORE SOUTHERLY TRACK WHICH INTERN KEEPS MOST OF THE
HEAVIER RAIN ALONG THE COASTAL LA PARISHES. THE GFS AND SREF MODELS
KEEP THE UPPER LOW MORE TUCKED IN TO THE COASTLINE WHICH KEEPS MORE
RAIN DEVELOPING OVER THE CWA. CURRENT FCST IS BASED ON THE GFS/SREF
SOLUTIONS. IN ADDITION TO RAINFALL...THICK CLOUD COVER WILL NOT LET
MUCH WARMING TAKE PLACE AND HIGHS MAY NOT EVEN REACH 70 DEGREES IN
MANY LOCATIONS. SO HAVE LOWERED TEMPS QUITE A FEW DEGREES FROM
PREVIOUS FCST.

RAIN TO BEGIN TAPERING OFF SATURDAY NIGHT. AT THE SAME TIME...WINDS
WILL BE SIGNIFICANTLY INCREASING ACROSS THE AREA. THE COMBINATION
OF CAA AND DEEPENING SURFACE LOW OVER THE NORTHERN GULF WILL RESULT
IN WINDS IN THE 20 TO 30 MPH RANGE WITH GUSTS TO 40 MPH...ESPECIALLY
SOUTH OF LAKE PONTCHARTRAIN. SO WILL BE ISSUING A WIND ADVISORY
FOR THOSE AREAS.

LONG TERM...
FAIRLY BENIGN WEATHER EXPECTED THROUGH THE REST OF THE FORECAST
PERIOD. STRONG HIGH PRESSURE WILL CONTINUE BUILDING INTO THE AREA
MONDAY. NORTHERLY WINDS WILL PERSIST AS AS COLD AIR ADVECTION SURGES
IN. HIGHS SHOULD STRUGGLE AGAIN TO REACH 70 DEGREES ON MONDAY. THE
REST OF THE WEEK WILL BE CHARACTERIZED BY UPPER TROUGH TO THE EAST
SLOWLY TRACKING AWAY FROM THE AREA AND UPPER LEVEL PATTERN CHANGING
FROM NWRLY TO MORE ZONAL. THIS WILL ALLOW TEMPS TO MODIFY BACK INTO
THE 80S BY MID WEEK. ECMWF SUGGESTS A BACKDOOR FRONT APPROACHING THE
AREA LATE IN THE WEEK. GFS IS NOT QUITE AS AGGRESSIVE BUT KEEPS THE
FRONT FURTHER NORTH OF THE AREA.

MEFFER

AVIATION...

RELATIVELY DRY AIR CONTINUES TO DOMINATE THE LOWER LEVELS OF THE
ATMOSPHERE AT MIDDAY...AND THIS SHOULD CONTINUE TO KEEP THE HIGH
BASED CUMULUS CLOUDS FEW TO SCT040-050 THIS AFTERNOON WITH VFR
CONDITIONS. TSRA DEVELOPING OVER WESTERN LOUISIANA SHOULD REMAIN
WEST OF KBTR THROUGH THE EVENING...AND ANY TSRA LATER TONIGHT AND
SATURDAY SHOULD REMAIN TOO ISOLATED FOR MENTION IN THE TAFS. THERE
WILL BE AN INCREASING CHANCE OF RAIN AND SHOWERS LATE TONIGHT INTO
SATURDAY MORNING...SO HAVE ADDED TEMPO OR PROB30 GROUP FOR SHRA. MID
TO HIGH CLOUDS WILL INCREASE TONIGHT...THEN HAVE BROUGHT LOWER CIGS
010-020 TO KMCB-KBTR 06-07Z...AND THE REMAINING TAF AIRPORTS 10-11Z.
THESE CIGS SHOULD REMAIN LOW THROUGH 18Z. 22/TD

MARINE...
NO IMPACTS OVER THE COASTAL WATERS DURING THE NEXT 12 TO 18 HOURS.
AN APPROACHING COLD FRONT PUSHING THROUGH THE AREA ALONG WITH A
DEVELOPING SURFACE LOW THAT IS EXPECTED TO MOVE SLOWLY EASTWARD
ACROSS THE NORTHERN GULF. THIS COMBO WILL LEAD TO INCREASED WINDS
AND SEAS FOR ALL OF THE AREA COASTAL WATERS. WINDS WILL BEGIN TO
PICK UP DURING THE AFTERNOON HOURS ON SATURDAY WITH SMALL CRAFT
CONDITIONS DEVELOPING AREAWIDE. THESE WINDS WILL QUICKLY REACH HIGH
END SMALL CRAFT ADVISORY CRITERIA BY SUNSET SATURDAY. WINDS ARE
EXPECTED IN THE 25-30 KNOT RANGE...POSSIBLY HIGHER...SATURDAY NIGHT
AND THROUGH MID MORNING SUNDAY. HAVE ISSUED A GALE WATCH FOR THAT
PERIOD. WINDS TO BEGIN SETTLING DOWN A BIT EARLY ON MONDAY BUT NOT
SIGNIFICANTLY UNTIL MIDDLE OF NEXT WEEK WHEN SURFACE RIDGE FINALLY
SETTLES IN OVER THE AREA.

MEFFER/SO

DECISION SUPPORT...
DSS CODE...BLUE.
DEPLOYED...ER-METS TO NEW ORLEANS FOR NAVY WEEK.
ACTIVATION...NONE.
ACTIVITIES...SUPPORTING NOLA NAVY WEEK.
 	     MONITORING HAZARDS POTENTIAL FOR WEEKEND.

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  58  67  48  77 /  70  30  10   0
BTR  57  68  49  78 /  70  30  10   0
ASD  61  70  50  78 /  60  60  10   0
MSY  65  69  54  78 /  60  60  10   0
GPT  61  72  53  78 /  70  60  10   0
PQL  61  73  53  76 /  70  60  10   0

&&

.LIX WATCHES/WARNINGS/ADVISORIES...
LA...WIND ADVISORY FROM 7 PM SATURDAY TO 10 AM SUNDAY FOR THE
     FOLLOWING ZONES: LOWER JEFFERSON...LOWER LAFOURCHE...LOWER
     PLAQUEMINES...LOWER ST. BERNARD...LOWER
     TERREBONNE...ORLEANS...ST. CHARLES...ST. JOHN THE
     BAPTIST...UPPER JEFFERSON...UPPER LAFOURCHE...UPPER
     PLAQUEMINES...UPPER ST. BERNARD...AND UPPER TERREBONNE.

GM...GALE WARNING FROM 7 PM SATURDAY TO 10 AM SUNDAY FOR THE
     FOLLOWING ZONES: BRETON SOUND...CHANDELEUR SOUND...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 FROM 20 TO 60 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 PORT FOURCHON
     TO LOWER ATCHAFALAYA RIVER OUT 20 NM...COASTAL WATERS FROM
     STAKE ISLAND LA TO THE SOUTHWEST PASS OF THE MISSISSIPPI
     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 THE SOUTHWEST PASS OF THE
     MISSISSIPPI RIVER TO PORT FOURCHON OUT 20 NM...LAKE
     BORGNE...LAKE PONTCHARTRAIN AND LAKE MAUREPAS...AND
     MISSISSIPPI SOUND.

     SMALL CRAFT ADVISORY FROM 2 PM SATURDAY TO 7 PM SATURDAY FOR THE
     FOLLOWING ZONES: BRETON SOUND...CHANDELEUR SOUND...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 FROM 20 TO 60 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 PORT FOURCHON
     TO LOWER ATCHAFALAYA RIVER OUT 20 NM...COASTAL WATERS FROM
     STAKE ISLAND LA TO THE SOUTHWEST PASS OF THE MISSISSIPPI
     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 THE SOUTHWEST PASS OF THE
     MISSISSIPPI RIVER TO PORT FOURCHON OUT 20 NM...LAKE
     BORGNE...LAKE PONTCHARTRAIN AND LAKE MAUREPAS...AND
     MISSISSIPPI SOUND.

MS...NONE.
GM...GALE WARNING FROM 7 PM SATURDAY TO 10 AM SUNDAY FOR THE
     FOLLOWING ZONES: BRETON SOUND...CHANDELEUR SOUND...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 FROM 20 TO 60 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 PORT FOURCHON
     TO LOWER ATCHAFALAYA RIVER OUT 20 NM...COASTAL WATERS FROM
     STAKE ISLAND LA TO THE SOUTHWEST PASS OF THE MISSISSIPPI
     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 THE SOUTHWEST PASS OF THE
     MISSISSIPPI RIVER TO PORT FOURCHON OUT 20 NM...LAKE
     BORGNE...LAKE PONTCHARTRAIN AND LAKE MAUREPAS...AND
     MISSISSIPPI SOUND.

     SMALL CRAFT ADVISORY FROM 2 PM SATURDAY TO 7 PM SATURDAY FOR THE
     FOLLOWING ZONES: BRETON SOUND...CHANDELEUR SOUND...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 FROM 20 TO 60 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 PORT FOURCHON
     TO LOWER ATCHAFALAYA RIVER OUT 20 NM...COASTAL WATERS FROM
     STAKE ISLAND LA TO THE SOUTHWEST PASS OF THE MISSISSIPPI
     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 THE SOUTHWEST PASS OF THE
     MISSISSIPPI RIVER TO PORT FOURCHON OUT 20 NM...LAKE
     BORGNE...LAKE PONTCHARTRAIN AND LAKE MAUREPAS...AND
     MISSISSIPPI SOUND.

&&
Hazardous weather outlook, Apr 20, 6:34 PM CDT, 2 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NEW ORLEANS LA
634 PM CDT FRI APR 20 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>082-212345-
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-
634 PM CDT FRI APR 20 2012

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

.DAY ONE...TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE TONIGHT. CURRENT
TRENDS SUGGEST THAT STORMS SHOULD WEAKEN AS NIGHT GOES
ON...HOWEVER A FEW STRONG STORMS COULD MAKE IT IN TO THE FORECAST
AREA WITH THE MAIN CONCERN BEING STRONG STRAIGHT LINE WINDS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A WIND ADVISORY IS IN EFFECT BEGINNING 7PM SATURDAY NIGHT THROUGH
SUNDAY MORNING. SUSTAINED WINDS OF 25 TO 30 MPH WITH HIGHER GUSTS
UP TO 40 MPH ARE POSSIBLE. STRONG WINDS WILL IMPACT LAND AREAS
ESPECIALLY NEAR THE TIDAL LAKES...ALONG THE COAST...AND ON
BRIDGES AND OVERPASSES. THESE STRONG WINDS MAY ALSO RESULT IN
SOME
MINOR COASTAL FLOODING ALONG NORTH FACING SHORE LINES OUTSIDE OF
LEVEE PROTECTION. THIS WILL BE ESPECIALLY TRUE ALONG PORTIONS OF
LAKESHORE DRIVE IN ORLEANS PARISH.

AN AREA OF LOW PRESSURE WILL DEVELOP OVER THE NORTH CENTRAL OR
NORTHEAST GULF OF MEXICO SATURDAY. THIS LOW IS EXPECTED TO
STRENGTHEN AND MOVE EAST ACROSS THE NORTHEAST GULF SATURDAY NIGHT
AND EARLY SUNDAY. THIS SYSTEM WILL PRODUCE SCATTERED TO NUMEROUS
SHOWERS AND ISOLATED THUNDERSTORMS ACROSS THE AREA
SATURDAY...MAINLY DURING THE MORNING.

IN ADDITION...STRONG WINDS OF 20 TO 30 KNOTS WITH GUSTS OVER 35
KNOTS WILL BE POSSIBLE OVER ALL MARINE AREAS BY LATE SATURDAY
AFTERNOON THROUGH EARLY MONDAY AS THE LOW PRESSURE CENTER CROSSES
THE GULF. A SMALL CRAFT ADVISORY IS IN EFFECT FOR SATURDAY
AFTERNOON AND A GALE WATCH IS IN EFFECT SATURDAY NIGHT INTO EARLY
SUNDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 3:17 AM CDTSpecial Marine WarningLIX118 min
Apr 21, 5:59 AM CDTSpecial Marine WarningLIX61 min
Apr 21, 6:02 AM CDTSpecial Marine WarningLIX58 min
Apr 21, 6:48 AM CDTSpecial Marine WarningLIX117 min
Apr 21, 7:06 AM CDTSpecial Marine WarningLIX24 min
Apr 21, 7:10 AM CDTSpecial Marine WarningLIX2 hr
Apr 21, 7:18 AM CDTAreal Flood AdvisoryLIXLafourche, Saint Charles117 min
Apr 21, 8:22 AM CDTSpecial Marine WarningLIX23 min
Apr 21, 9:22 AM CDTSpecial Marine WarningLIX38 min
Apr 21, 10:22 AM CDTAreal Flood AdvisoryLIXJefferson, Plaquemines, Saint Bernard, Saint Charles113 min
Apr 21, 11:02 AM CDTFlash Flood WarningLIXSaint Charles2 hr
Apr 21, 3:59 PM CDTSmall Craft AdvisoryLIX50 hr

Nearby

Gale Warnings in Louisiana, 2012Every gale warning 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.