Hurricane Bertha

Forecast Advisory 28

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000
WTNT22 KNHC 100243
TCMAT2
HURRICANE BERTHA FORECAST/ADVISORY NUMBER 28
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008
0300 UTC THU JUL 10 2008

IT IS STILL TOO EARLY TO DETERMINE THE EXTENT TO WHICH BERTHA COULD
IMPACT BERMUDA. INTERESTS ON THAT ISLAND SHOULD CLOSELY MONITOR
THE PROGRESS OF BERTHA DURING THE NEXT SEVERAL DAYS.

HURRICANE CENTER LOCATED NEAR 25.5N 58.9W AT 10/0300Z
POSITION ACCURATE WITHIN 15 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT 10 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 970 MB
MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT.
64 KT....... 25NE 15SE 15SW 15NW.
50 KT....... 50NE 30SE 30SW 30NW.
34 KT.......120NE 60SE 60SW 90NW.
12 FT SEAS..240NE 120SE 90SW 210NW.
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 25.5N 58.9W AT 10/0300Z
AT 10/0000Z CENTER WAS LOCATED NEAR 25.2N 58.6W

FORECAST VALID 10/1200Z 26.4N 59.9W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 25NE 15SE 15SW 15NW.
50 KT... 50NE 30SE 30SW 30NW.
34 KT...120NE 60SE 60SW 90NW.

FORECAST VALID 11/0000Z 27.5N 60.8W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 30NE 20SE 20SW 20NW.
50 KT... 70NE 50SE 40SW 50NW.
34 KT...140NE 100SE 75SW 100NW.

FORECAST VALID 11/1200Z 28.7N 61.5W
MAX WIND 100 KT...GUSTS 120 KT.
64 KT... 30NE 20SE 20SW 20NW.
50 KT... 70NE 50SE 40SW 50NW.
34 KT...140NE 100SE 75SW 100NW.

FORECAST VALID 12/0000Z 29.7N 61.8W
MAX WIND 95 KT...GUSTS 115 KT.
50 KT... 70NE 50SE 40SW 50NW.
34 KT...140NE 100SE 75SW 100NW.

FORECAST VALID 13/0000Z 31.0N 62.0W
MAX WIND 85 KT...GUSTS 105 KT.
50 KT... 80NE 60SE 45SW 60NW.
34 KT...150NE 120SE 90SW 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 14/0000Z 32.5N 61.5W
MAX WIND 75 KT...GUSTS 90 KT.

OUTLOOK VALID 15/0000Z 35.5N 60.5W
MAX WIND 65 KT...GUSTS 80 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.5N 58.9W

NEXT ADVISORY AT 10/0900Z

$$
FORECASTER KNABB