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HURRICANE IDA FORECAST/ADVISORY NUMBER   8
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092021
0900 UTC SAT AUG 28 2021
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE GOVERNMENT OF CUBA HAS DISCONTINUED ALL WARNINGS FOR CUBA.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* EAST OF ROCKEFELLER WILDLIFE REFUGE LOUISIANA TO THE
MISSISSIPPI/ALABAMA BORDER
* VERMILION BAY...LAKE BORGNE...LAKE PONTCHARTRAIN...AND LAKE
MAUREPAS
 
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 STORM SURGE WATCH IS IN EFFECT FOR...
* SABINE PASS TO ROCKEFELLER WILDLIFE REFUGE LOUISIANA
* MOBILE BAY
 
A HURRICANE WATCH IS IN EFFECT FOR...
* CAMERON LOUISIANA TO WEST OF INTRACOASTAL CITY LOUISIANA
* MOUTH OF THE PEARL RIVER TO THE MISSISSIPPI/ALABAMA BORDER
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* CAMERON LOUISIANA TO WEST OF INTRACOASTAL CITY LOUISIANA
* MOUTH OF THE PEARL RIVER TO THE MISSISSIPPI/ALABAMA BORDER
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* MISSISSIPPI/ALABAMA BORDER 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...DURING THE NEXT 36 HOURS 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 WARNING IS TYPICALLY ISSUED
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF
TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE
PREPARATIONS DIFFICULT OR DANGEROUS.  PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
 
A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE-
THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE
COASTLINE...IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS.
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA.  A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
 
INTERESTS ELSEWHERE ALONG THE NORTHERN U.S. GULF COAST SHOULD
MONITOR THE PROGRESS OF THIS SYSTEM.
 
HURRICANE CENTER LOCATED NEAR 24.0N  85.2W AT 28/0900Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT  14 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  987 MB
EYE DIAMETER  25 NM
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 KT.
64 KT....... 20NE   0SE   0SW   0NW.
50 KT....... 50NE  30SE   0SW  30NW.
34 KT.......100NE  60SE  40SW  70NW.
12 FT SEAS..120NE  60SE  60SW 120NW.
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 24.0N  85.2W AT 28/0900Z
AT 28/0600Z CENTER WAS LOCATED NEAR 23.5N  84.7W
 
FORECAST VALID 28/1800Z 25.4N  86.9W
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 20NE  15SE  10SW  20NW.
50 KT... 50NE  40SE  20SW  40NW.
34 KT...110NE  80SE  60SW  90NW.
 
FORECAST VALID 29/0600Z 27.1N  88.9W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 20NE  20SE  15SW  20NW.
50 KT... 60NE  50SE  30SW  40NW.
34 KT...120NE 100SE  70SW 100NW.
 
FORECAST VALID 29/1800Z 28.6N  90.5W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 35NE  30SE  20SW  30NW.
50 KT... 60NE  60SE  30SW  50NW.
34 KT...130NE 110SE  80SW 110NW.
 
FORECAST VALID 30/0600Z 30.1N  91.3W...INLAND
MAX WIND  85 KT...GUSTS 105 KT.
64 KT... 30NE  30SE  20SW  20NW.
50 KT... 60NE  60SE  40SW  40NW.
34 KT...110NE 110SE  70SW  60NW.
 
FORECAST VALID 30/1800Z 31.6N  91.2W...INLAND
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 50NE 100SE  40SW  30NW.
 
FORECAST VALID 31/0600Z 33.2N  90.5W...INLAND
MAX WIND  30 KT...GUSTS  40 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 01/0600Z 36.0N  87.0W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
OUTLOOK VALID 02/0600Z 37.5N  82.5W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 24.0N  85.2W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 28/1200Z
 
NEXT ADVISORY AT 28/1500Z
 
$$
FORECASTER BEVEN
 
 
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