Hurricane Bertha

Forecast Advisory 31

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000
WTNT22 KNHC 102032
TCMAT2
HURRICANE BERTHA FORECAST/ADVISORY NUMBER 31
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008
2100 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 27.2N 60.8W AT 10/2100Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT 9 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 980 MB
MAX SUSTAINED WINDS 75 KT WITH GUSTS TO 90 KT.
64 KT....... 25NE 15SE 15SW 15NW.
50 KT....... 50NE 40SE 30SW 30NW.
34 KT.......120NE 75SE 60SW 90NW.
12 FT SEAS..210NE 150SE 150SW 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 27.2N 60.8W AT 10/2100Z
AT 10/1800Z CENTER WAS LOCATED NEAR 26.9N 60.5W

FORECAST VALID 11/0600Z 28.0N 61.7W
MAX WIND 75 KT...GUSTS 90 KT.
64 KT... 25NE 15SE 15SW 15NW.
50 KT... 50NE 40SE 30SW 30NW.
34 KT...120NE 75SE 60SW 90NW.

FORECAST VALID 11/1800Z 29.0N 62.2W
MAX WIND 80 KT...GUSTS 100 KT.
64 KT... 35NE 25SE 25SW 25NW.
50 KT... 70NE 50SE 40SW 50NW.
34 KT...140NE 100SE 90SW 100NW.

FORECAST VALID 12/0600Z 29.8N 62.5W
MAX WIND 80 KT...GUSTS 100 KT.
64 KT... 35NE 25SE 25SW 25NW.
50 KT... 70NE 50SE 40SW 50NW.
34 KT...140NE 100SE 100SW 110NW.

FORECAST VALID 12/1800Z 30.5N 62.5W
MAX WIND 75 KT...GUSTS 90 KT.
50 KT... 70NE 50SE 40SW 50NW.
34 KT...140NE 100SE 100SW 110NW.

FORECAST VALID 13/1800Z 31.5N 62.5W
MAX WIND 70 KT...GUSTS 85 KT.
50 KT... 80NE 60SE 50SW 60NW.
34 KT...150NE 120SE 100SW 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 14/1800Z 33.0N 62.5W
MAX WIND 60 KT...GUSTS 75 KT.

OUTLOOK VALID 15/1800Z 36.0N 62.0W
MAX WIND 50 KT...GUSTS 60 KT.

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.2N 60.8W

NEXT ADVISORY AT 11/0300Z

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FORECASTER BEVEN