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TROPICAL STORM IDA FORECAST/ADVISORY NUMBER  18
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092021
1500 UTC MON AUG 30 2021
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
ALL WARNINGS HAVE BEEN DISCONTINUED FOR THE LOUISIANA COAST WEST
OF THE PEARL RIVER...INCLUDING LAKE PONTCHARTRAIN AND LAKE
MAUREPAS...AND METROPOLITAN NEW ORLEANS.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* MOUTH OF THE PEARL RIVER TO THE ALABAMA/FLORIDA BORDER
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* 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.  
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.
 
TROPICAL STORM CENTER LOCATED NEAR 31.9N  90.7W AT 30/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTH OR  10 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  996 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
34 KT....... 40NE 170SE  40SW  30NW.
12 FT SEAS..  0NE 180SE   0SW   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 31.9N  90.7W AT 30/1500Z
AT 30/1200Z CENTER WAS LOCATED NEAR 31.5N  90.8W
 
FORECAST VALID 31/0000Z 33.1N  90.1W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 31/1200Z 34.5N  88.4W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 01/0000Z 35.8N  85.9W...INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 01/1200Z 37.5N  82.5W...POST-TROP/INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 02/0000Z 38.9N  78.7W...POST-TROP/EXTRATROP
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 02/1200Z 39.5N  75.7W...POST-TROP/EXTRATROP
MAX WIND  25 KT...GUSTS  35 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 03/1200Z 40.5N  70.5W...POST-TROP/EXTRATROP
MAX WIND  30 KT...GUSTS  40 KT.
 
OUTLOOK VALID 04/1200Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.9N  90.7W
 
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 30/1800Z
 
NEXT ADVISORY AT 30/2100Z
 
$$
FORECASTER BROWN
 
 
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