Hurricane Helene

Public Advisory 30

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578
WTNT32 KNHC 192035
TCPAT2
BULLETIN
HURRICANE GORDON ADVISORY NUMBER 36
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
500 PM AST TUE SEP 19 2006

...TENACIOUS GORDON REFUSES TO WEAKEN...EXPECTED TO MOVE ACROSS THE
AZORES TONIGHT...

A HURRICANE WARNING IS IN EFFECT FOR ALL OF THE AZORES ISLANDS.
PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD HAVE BEEN
COMPLETED.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.

AT 500 PM AST...2100Z...THE CENTER OF HURRICANE GORDON WAS LOCATED
NEAR LATITUDE 37.9 NORTH...LONGITUDE 31.6 WEST OR ABOUT 250 MILES...
405 KM...WEST-SOUTHWEST OF THE ISLAND OF TERCEIRA IN THE AZORES.

GORDON IS RACING EASTWARD NEAR 33 MPH...54 KM/HR...AND THIS
MOTION IS EXPECTED TO CONTINUE THROUGH WEDNESDAY. ON THIS
TRACK...GORDON WILL BE CROSSING THE AZORES TONIGHT

MAXIMUM SUSTAINED WINDS REMAIN NEAR 85 MPH...140 KM/HR...WITH
HIGHER GUSTS. HOWEVER...STRONGER WINDS...ESPECIALLY IN GUSTS...ARE
LIKELY OVER ELEVATED TERRAIN. GORDON IS A CATEGORY ONE HURRICANE ON
THE SAFFIR-SIMPSON SCALE. GORDON SHOULD BECOME A STRONG
EXTRATROPICAL STORM ON WEDNESDAY.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 979 MB...28.91 INCHES.

LARGE AND DANGEROUS BATTERING WAVES ALONG WITH STORM SURGES OF 1 TO
3 FT ARE POSSIBLE IN AREAS OF ONSHORE WINDS IN THE AZORES.

GORDON IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 2 TO 4
INCHES OVER THE AZORES... WITH ISOLATED MAXIMUM AMOUNTS OF 6 INCHES
OVER THE HIGHER TERRAIN.

REPEATING THE 500 PM AST POSITION...37.9 N...31.6 W. MOVEMENT
TOWARD...EAST NEAR 33 MPH. MAXIMUM SUSTAINED WINDS...85 MPH.
MINIMUM CENTRAL PRESSURE...979 MB.

AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
PM AST.

$$
FORECASTER AVILA




946
WTNT33 KNHC 192050
TCPAT3
BULLETIN
HURRICANE HELENE ADVISORY NUMBER 30
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
ISSUED BY THE HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
500 PM AST TUE SEP 19 2006

AT 500 PM AST...2100Z...THE CENTER OF HURRICANE HELENE WAS LOCATED
NEAR LATITUDE 24.6 NORTH...LONGITUDE 54.1 WEST OR ABOUT 840 MILES...
1350 KM...SOUTHEAST OF BERMUDA.

HELENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT SIX TO TWELVE
HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 110 MPH...175 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24
HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 65 MILES...100 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 220
MILES...350 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 956 MB...28.23 INCHES.

REPEATING THE 500 PM AST POSITION...24.6 N...54.1 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 9 MPH. MAXIMUM SUSTAINED WINDS...110
MPH. MINIMUM CENTRAL PRESSURE...956 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 PM AST.

$$
FORECASTER MUSHER