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HURRICANE IDA FORECAST/ADVISORY NUMBER  14
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092021
1500 UTC SUN AUG 29 2021
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE STORM SURGE WARNING WEST OF INTRACOASTAL CITY LOUISIANA HAS 
BEEN DISCONTINUED.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* INTRACOASTAL CITY LOUISIANA TO THE ALABAMA/FLORIDA BORDER
* VERMILION BAY...LAKE BORGNE...LAKE PONTCHARTRAIN...LAKE
MAUREPAS...AND MOBILE BAY
 
A HURRICANE WARNING IS IN EFFECT FOR...
* INTRACOASTAL CITY LOUISIANA TO THE MOUTH OF THE PEARL RIVER
* LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* CAMERON LOUISIANA TO WEST OF INTRACOASTAL CITY LOUISIANA
* MOUTH OF THE PEARL RIVER TO THE ALABAMA/FLORIDA BORDER
 
A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING
INUNDATION FROM RISING WATER MOVING INLAND FROM THE COASTLINE IN
THE INDICATED LOCATIONS. FOR A DEPICTION OF AREAS AT RISK...PLEASE
SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING
GRAPHIC...AVAILABLE AT HURRICANES.GOV.  THIS IS A LIFE-THREATENING 
SITUATION. PERSONS LOCATED WITHIN THESE AREAS SHOULD TAKE ALL 
NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY FROM RISING WATER 
AND THE POTENTIAL FOR OTHER DANGEROUS CONDITIONS. PROMPTLY FOLLOW
EVACUATION AND OTHER INSTRUCTIONS FROM LOCAL OFFICIALS.
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.
 
HURRICANE CENTER LOCATED NEAR 28.8N  90.0W AT 29/1500Z
POSITION ACCURATE WITHIN  10 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT  11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  933 MB
MAX SUSTAINED WINDS 130 KT WITH GUSTS TO 160 KT.
64 KT....... 45NE  35SE  20SW  30NW.
50 KT....... 70NE  60SE  40SW  60NW.
34 KT.......130NE 110SE  80SW 110NW.
12 FT SEAS..180NE 150SE 150SW   0NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 28.8N  90.0W AT 29/1500Z
AT 29/1200Z CENTER WAS LOCATED NEAR 28.5N  89.6W
 
FORECAST VALID 30/0000Z 30.0N  90.8W...INLAND
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 40NE  30SE  15SW  25NW.
50 KT... 60NE  50SE  40SW  40NW.
34 KT...120NE 110SE  80SW  80NW.
 
FORECAST VALID 30/1200Z 31.6N  91.0W...INLAND
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE  20SE   0SW   0NW.
34 KT... 80NE  90SE  50SW  50NW.
 
FORECAST VALID 31/0000Z 33.2N  90.3W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 31/1200Z 34.9N  88.5W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 01/0000Z 36.4N  85.9W...INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 01/1200Z 37.8N  82.5W...POST-TROP/INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 02/1200Z 40.5N  74.2W...POST-TROP/EXTRATROP
MAX WIND  30 KT...GUSTS  40 KT.
 
OUTLOOK VALID 03/1200Z 43.5N  67.0W...POST-TROP/EXTRATROP
MAX WIND  35 KT...GUSTS  45 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.8N  90.0W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 29/1800Z
 
NEXT ADVISORY AT 29/2100Z
 
$$
FORECASTER BROWN
 
 
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