ZCZC MIATCMAT4 ALL
TTAA00 KNHC DDHHMM
 
HURRICANE IDA FORECAST/ADVISORY NUMBER  10
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092021
2100 UTC SAT AUG 28 2021
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
A STORM SURGE WARNING HAS BEEN EXTENDED EASTWARD TO THE 
ALABAMA/FLORIDA BORDER...INCLUDING MOBILE BAY. 
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* EAST OF ROCKEFELLER WILDLIFE REFUGE 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...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.
 
HURRICANE CENTER LOCATED NEAR 26.2N  87.0W AT 28/2100Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT  14 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  976 MB
MAX SUSTAINED WINDS  90 KT WITH GUSTS TO 110 KT.
64 KT....... 25NE  20SE  10SW  20NW.
50 KT....... 50NE  40SE  20SW  40NW.
34 KT.......110NE 100SE  70SW 100NW.
12 FT SEAS..150NE 120SE 120SW 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 26.2N  87.0W AT 28/2100Z
AT 28/1800Z CENTER WAS LOCATED NEAR 25.6N  86.6W
 
FORECAST VALID 29/0600Z 27.5N  88.6W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 25NE  25SE  15SW  20NW.
50 KT... 50NE  50SE  30SW  40NW.
34 KT...130NE 110SE  80SW 100NW.
 
FORECAST VALID 29/1800Z 29.1N  90.4W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 30NE  30SE  20SW  25NW.
50 KT... 60NE  50SE  30SW  40NW.
34 KT...130NE 110SE  80SW 100NW.
 
FORECAST VALID 30/0600Z 30.5N  91.3W...INLAND
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 25NE  25SE   0SW  20NW.
50 KT... 40NE  50SE  20SW  30NW.
34 KT... 80NE 110SE  70SW  70NW.
 
FORECAST VALID 30/1800Z 32.2N  91.2W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 50NE  50SE   0SW  30NW.
 
FORECAST VALID 31/0600Z 34.0N  90.1W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 31/1800Z 35.7N  88.1W...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 01/1800Z 38.0N  82.5W...POST-TROP/INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
OUTLOOK VALID 02/1800Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 26.2N  87.0W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 29/0000Z
 
NEXT ADVISORY AT 29/0300Z
 
$$
FORECASTER BROWN
 
 
NNNN