Hurricane Helene

Public Advisory 37

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814
WTNT33 KNHC 211448
TCPAT3
BULLETIN
HURRICANE HELENE ADVISORY NUMBER 37
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
1100 AM AST THU SEP 21 2006

...HELENE WEAKENS OVER THE CENTRAL ATLANTIC...NO THREAT TO LAND...

AT 1100 AM AST...1500Z...THE CENTER OF HURRICANE HELENE WAS LOCATED
NEAR LATITUDE 29.6 NORTH...LONGITUDE 56.9 WEST OR ABOUT 505 MILES...
810 KM...EAST-SOUTHEAST OF BERMUDA.

HELENE IS MOVING TOWARD THE NORTH NEAR 13 MPH...20 KM/HR...AND A
GRADUAL TURN TOWARD THE NORTH-NORTHEAST OR NORTHEAST...WITH AN
INCREASE IN FORWARD SPEED...IS EXPECTED DURING THE NEXT 24 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24
HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200
MILES...325 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES.

ALTHOUGH HELENE IS EXPECTED TO PASS SEVERAL HUNDRED MILES TO THE
EAST OF BERMUDA...LARGE OCEAN SWELLS PRODUCING HAZARDOUS SURF
CONDITIONS COULD AFFECT THE AREA DURING THE NEXT COUPLE OF DAYS.

REPEATING THE 1100 AM AST POSITION...29.6 N...56.9 W. MOVEMENT
TOWARD...NORTH NEAR 13 MPH. MAXIMUM SUSTAINED WINDS...80 MPH.
MINIMUM CENTRAL PRESSURE...970 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 PM AST.

$$
FORECASTER BROWN/AVILA