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ZCZC MIASPFAT4 ALL TTAA00 KNHC DDHHMM HURRICANE GERT PROBABILITIES NUMBER 18 NATIONAL WEATHER SERVICE MIAMI FL 5 PM AST WED SEP 15 1999 PROBABILITIES FOR GUIDANCE IN HURRICANE PROTECTION PLANNING BY GOVERNMENT AND DISASTER OFFICIALS AT 5 PM AST...2100Z...THE CENTER OF GERT WAS LOCATED NEAR LATITUDE 17.6 NORTH...LONGITUDE 50.7 WEST CHANCES OF CENTER OF THE HURRICANE PASSING WITHIN 65 NAUTICAL MILES OF LISTED LOCATIONS THROUGH 2PM AST SAT SEP 18 1999 LOCATION A B C D E LOCATION A B C D E 18.5N 54.5W 53 X X X 53 TNCM 181N 631W X X 1 7 8 19.2N 56.0W 17 16 X X 33 TISX 177N 648W X X X 4 4 20.5N 58.0W X 13 11 2 26 TIST 183N 650W X X X 4 4 TFFF 146N 610W X X X 2 2 TJSJ 184N 661W X X X 2 2 TDPR 153N 614W X X 1 3 4 ST CROIX VI X X X 4 4 TFFR 163N 615W X X 2 4 6 ST THOMAS VI X X X 4 4 TAPA 171N 618W X X 2 6 8 SAN JUAN PR X X X 2 2 TKPK 173N 627W X X 1 6 7 COLUMN DEFINITION PROBABILITIES IN PERCENT A IS PROBABILITY FROM NOW TO 2PM THU FOLLOWING ARE ADDITIONAL PROBABILITIES B FROM 2PM THU TO 2AM FRI C FROM 2AM FRI TO 2PM FRI D FROM 2PM FRI TO 2PM SAT E IS TOTAL PROBABILITY FROM NOW TO 2PM SAT X MEANS LESS THAN ONE PERCENT AVILA NNNN