Hurricane Bertha

Forecast Advisory 20

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668
WTNT22 KNHC 080235
TCMAT2
HURRICANE BERTHA FORECAST/ADVISORY NUMBER 20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008
0300 UTC TUE JUL 08 2008

HURRICANE CENTER LOCATED NEAR 20.8N 52.8W AT 08/0300Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT 10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 952 MB
EYE DIAMETER 15 NM
MAX SUSTAINED WINDS 105 KT WITH GUSTS TO 130 KT.
64 KT....... 20NE 0SE 0SW 20NW.
50 KT....... 50NE 30SE 20SW 50NW.
34 KT.......100NE 60SE 40SW 100NW.
12 FT SEAS..270NE 180SE 150SW 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 20.8N 52.8W AT 08/0300Z
AT 08/0000Z CENTER WAS LOCATED NEAR 20.5N 52.3W

FORECAST VALID 08/1200Z 21.5N 54.2W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 20NE 0SE 0SW 20NW.
50 KT... 50NE 30SE 20SW 50NW.
34 KT...100NE 60SE 40SW 100NW.

FORECAST VALID 09/0000Z 22.5N 56.0W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 30NE 20SE 0SW 30NW.
50 KT... 60NE 45SE 30SW 60NW.
34 KT...120NE 90SE 60SW 120NW.

FORECAST VALID 09/1200Z 23.5N 58.0W
MAX WIND 95 KT...GUSTS 115 KT.
64 KT... 30NE 20SE 0SW 30NW.
50 KT... 60NE 45SE 30SW 60NW.
34 KT...120NE 90SE 75SW 120NW.

FORECAST VALID 10/0000Z 25.0N 59.5W
MAX WIND 85 KT...GUSTS 105 KT.
50 KT... 70NE 45SE 30SW 60NW.
34 KT...140NE 100SE 75SW 120NW.

FORECAST VALID 11/0000Z 27.5N 61.5W
MAX WIND 80 KT...GUSTS 100 KT.
50 KT... 70NE 45SE 30SW 60NW.
34 KT...140NE 100SE 75SW 120NW.

EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 225 NM
ON DAY 4 AND 300 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY

OUTLOOK VALID 12/0000Z 30.0N 62.0W
MAX WIND 75 KT...GUSTS 90 KT.

OUTLOOK VALID 13/0000Z 32.0N 62.0W
MAX WIND 75 KT...GUSTS 90 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.8N 52.8W

NEXT ADVISORY AT 08/0900Z

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FORECASTER AVILA