Hurricane Helene

Public Advisory 28

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853
WTNT32 KNHC 190831
TCPAT2
BULLETIN
HURRICANE GORDON ADVISORY NUMBER 34
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
500 AM AST TUE SEP 19 2006

...GORDON A LITTLE STRONGER AS IT CONTINUES TO TAKE AIM ON THE
AZORES ISLANDS...

A HURRICANE WARNING IS IN EFFECT FOR ALL OF THE AZORES ISLANDS. A
HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. PREPARATIONS TO
PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY THE AZORES METEOROLOGICAL SERVICE.

AT 500 AM AST...0900Z...THE CENTER OF THE WELL-DEFINED EYE OF
HURRICANE GORDON WAS LOCATED NEAR LATITUDE 38.1 NORTH...LONGITUDE
38.7 WEST OR ABOUT 630 MILES...1010 KM...WEST OF TERCEIRA IN THE
AZORES ISLANDS.

GORDON IS MOVING TOWARD THE EAST NEAR 28 MPH...44 KM/HR...AND THIS
GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. ON
THE FORECAST TRACK...GORDON WILL PASS NEAR OR MOVE ACROSS THE AZORES
LATE THIS AFTERNOON OR EVENING.

MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 105 MPH...165 KM/HR
...WITH HIGHER GUSTS. GORDON IS A CATEGORY TWO HURRICANE ON THE
SAFFIR-SIMPSON HURRICANE SCALE. ALTHOUGH SOME SLOW WEAKENING IS
FORECAST DURING THE NEXT 24 HOURS...GORDON IS STILL EXPECTED TO BE
A HURRICANE AS IT PASSES NEAR OR ACROSS THE AZORES ISLANDS. IN
ADDITION...STRONGER WINDS WILL BE LIKELY OVER THE HIGHER TERRAIN OF
THE AZORES.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115
MILES...185 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 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 AM AST POSITION...38.1 N...38.7 W. MOVEMENT
TOWARD...EAST NEAR 28 MPH. MAXIMUM SUSTAINED WINDS...105 MPH.
MINIMUM CENTRAL PRESSURE...970 MB.

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

$$
FORECASTER STEWART




575
WTNT33 KNHC 190844
TCPAT3
BULLETIN
HURRICANE HELENE ADVISORY NUMBER 28
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
500 AM AST TUE SEP 19 2006

...HELENE STILL A LARGE CATEGORY THREE HURRICANE...

AT 500 AM AST...0900Z...THE CENTER OF MAJOR HURRICANE HELENE WAS
LOCATED NEAR LATITUDE 24.4 NORTH...LONGITUDE 52.1 WEST OR ABOUT 945
MILES...1520 KM...EAST-SOUTHEAST OF BERMUDA.

HELENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 8 MPH...13 KM/HR...
AND A WEST TO WEST-NORTHWESTWARD MOTION IS EXPECTED FOR THE NEXT
24 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 115 MPH...185 KM/HR...WITH HIGHER
GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.

HELENE REMAINS A LARGE HURRICANE. HURRICANE FORCE WINDS EXTEND
OUTWARD UP TO 70 MILES...110 KM...FROM THE CENTER...AND TROPICAL
STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 960 MB...28.35 INCHES.

REPEATING THE 500 AM AST POSITION...24.4 N...52.1 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 8 MPH. MAXIMUM SUSTAINED WINDS...115
MPH. MINIMUM CENTRAL PRESSURE...960 MB.

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

$$
FORECASTER BROWN/STEWART