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ZCZC MIASPFAT4 ALL TTAA00 KNHC DDHHMM HURRICANE GERT PROBABILITIES NUMBER 17 NATIONAL WEATHER SERVICE MIAMI FL 11 AM AST WED SEP 15 1999 PROBABILITIES FOR GUIDANCE IN HURRICANE PROTECTION PLANNING BY GOVERNMENT AND DISASTER OFFICIALS AT 11 AM AST...1500Z...THE CENTER OF GERT WAS LOCATED NEAR LATITUDE 17.6 NORTH...LONGITUDE 49.5 WEST CHANCES OF CENTER OF THE HURRICANE PASSING WITHIN 65 NAUTICAL MILES OF LISTED LOCATIONS THROUGH 8AM AST SAT SEP 18 1999 LOCATION A B C D E LOCATION A B C D E 18.5N 53.5W 53 X X X 53 TISX 177N 648W X X X 2 2 19.5N 55.5W 5 26 X X 31 TIST 183N 650W X X X 3 3 20.5N 57.5W X 14 9 1 24 TJSJ 184N 661W X X X 2 2 TFFR 163N 615W X X 1 2 3 ST CROIX VI X X X 2 2 TAPA 171N 618W X X 1 4 5 ST THOMAS VI X X X 3 3 TKPK 173N 627W X X 1 3 4 SAN JUAN PR X X X 2 2 TNCM 181N 631W X X 1 5 6 COLUMN DEFINITION PROBABILITIES IN PERCENT A IS PROBABILITY FROM NOW TO 8AM THU FOLLOWING ARE ADDITIONAL PROBABILITIES B FROM 8AM THU TO 8PM THU C FROM 8PM THU TO 8AM FRI D FROM 8AM FRI TO 8AM SAT E IS TOTAL PROBABILITY FROM NOW TO 8AM SAT X MEANS LESS THAN ONE PERCENT AVILA NNNN