000
WTNT22 KNHC 030857
TCMAT2
 
HURRICANE KATIA FORECAST/ADVISORY NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL122011
0900 UTC SAT SEP 03 2011
 
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
 
HURRICANE CENTER LOCATED NEAR 19.3N  55.1W AT 03/0900Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT   9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  988 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 30NE   0SE   0SW   0NW.
50 KT.......100NE  50SE  40SW  70NW.
34 KT.......150NE 120SE  75SW 135NW.
12 FT SEAS..270NE 210SE 210SW 270NW.
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 19.3N  55.1W AT 03/0900Z
AT 03/0600Z CENTER WAS LOCATED NEAR 19.0N  54.7W
 
FORECAST VALID 03/1800Z 20.1N  56.3W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 30NE   0SE   0SW   0NW.
50 KT...100NE  50SE  40SW  70NW.
34 KT...150NE 120SE  75SW 135NW.
 
FORECAST VALID 04/0600Z 21.1N  57.9W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 30NE   0SE   0SW   0NW.
50 KT...100NE  50SE  40SW  70NW.
34 KT...150NE 120SE  75SW 135NW.
 
FORECAST VALID 04/1800Z 22.2N  59.7W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 30NE   0SE   0SW   0NW.
50 KT...100NE  50SE  40SW  70NW.
34 KT...150NE 120SE  75SW 135NW.
 
FORECAST VALID 05/0600Z 23.4N  61.5W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT...100NE  70SE  50SW  80NW.
34 KT...180NE 135SE  90SW 150NW.
 
FORECAST VALID 06/0600Z 26.0N  64.5W
MAX WIND  90 KT...GUSTS 110 KT.
50 KT...110NE  80SE  60SW  80NW.
34 KT...180NE 135SE 100SW 150NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 07/0600Z 28.5N  67.5W
MAX WIND 100 KT...GUSTS 120 KT.
 
OUTLOOK VALID 08/0600Z 31.0N  70.0W
MAX WIND  95 KT...GUSTS 115 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.3N  55.1W
 
NEXT ADVISORY AT 03/1500Z
 
$$
FORECASTER BLAKE