000
FZNT02 KNHC 212208
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN AUG 21 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

PAN PAN

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC SUN AUG 21.
24 HOUR FORECAST VALID 1800 UTC MON AUG 22.
48 HOUR FORECAST VALID 1800 UTC TUE AUG 23.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM IRENE NEAR 17.7N 64.4W 999 MB AT 2100 UTC AUG 21
MOVING WNW OR 285 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...20 NM SE QUADRANT...0 NM SW QUADRANT...AND 70 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 360 NM NE QUADRANT...60
NM SE QUADRANT...15 NM SW QUADRANT...AND 120 NM NW QUADRANT WITH
SEAS TO 21 FT.
.24 HOUR FORECAST HURRICANE IRENE INLAND NEAR 18.9N 69.3W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM S SEMICIRCLE...130 NM NE QUADRANT AND 90 NM 
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NE AND WITHIN 
120 NM SW SEMICIRCLES WITH SEAS TO 24 FT.
.48 HOUR FORECAST TROPICAL STORM IRENE OVER WATER NEAR 20.3N
73.5W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM
FORCE WINDS WITHIN 140 NM NE QUADRANT...90 NM SE QUADRANT...60 
NM SW QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 360 NM NE AND WITHIN 120 NM SW SEMICIRCLES WITH SEAS TO 
21 FT.
.72 HOUR FORECAST TROPICAL STORM IRENE NEAR 22.7N 76.7W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE IRENE NEAR 25.5N 79.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST TROPICAL STORM IRENE INLAND NEAR 28.5N 81.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION HARVEY NEAR 18.6N 93.8W 1007 MB AT 2100 UTC 
AUG 21 MOVING WNW OR 290 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 
25 KT GUSTS 35 KT.  
.24 HOUR FORECAST TROPICAL DEPRESSION HARVEY INLAND NEAR 19.3N 
97.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS LESS THAN 
12 FT.
.36 HOUR FORECAST POST TROPICAL REMNANT LOW HARVEY NEAR 19.5N 
99.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.48 HOUR FORECAST...DISSIPATED.

.SYNOPSIS AND FORECAST.

.ATLC AND CARIBBEAN EXCEPT AS NOTED IN IRENE WARNING...WITHIN 
660 NM NE QUADRANT...270 NM SE AND NW QUADRANTS...AND 180 SW 
QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. NUMEROUS TSTMS IN 
BANDS WITHIN 300 NM N AND 90 NM S OF CENTER. 
.24 HOUR FORECAST EXCEPT AS NOTED IN IRENE WARNING...WITHIN 660 
NM NE QUADRANT...330 NM SE AND NW QUADRANTS...AND 180 SW 
QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. SCATTERED TSTMS IN
BANDS WITHIN 300 NM N AND 90 NM S OF CENTER. 
.48 HOUR FORECAST EXCEPT AS NOTED IN IRENE WARNING...WITHIN 540 
NM NE QUADRANT...480 NM SE...360 NW QUADRANT...AND 180 SW 
QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. SCATTERED TSTMS IN 
BANDS WITHIN 300 NM OF CENTER. 

.ATLC FROM 20N TO 27N E OF 40W NE TO E WINDS 20 KT. SEAS 8 FT IN.
.24 HOUR FORECAST FROM 20N TO 28N E OF 41W N TO NE WINDS 20 TO 
25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES NEAR 23N39W 1011 MB. FROM 23N TO 30N 
E OF 42W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

.GULF OF MEXICO TROPICAL DEPRESSION HARVEY CENTERED NEAR 
18.6N93.8W. S OF 20N E OF 95W WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST TROPICAL DEPRESSION HARVEY LOCATED INLAND NEAR 
19.3N97.3W. S OF 20N W OF 94W WINDS 20 TO 25 KT. SEAS 8 FT. 
.36 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT. 

.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.