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ZCZC MIATCPAT5 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL DEPRESSION KATRINA ADVISORY NUMBER 11 NATIONAL WEATHER SERVICE MIAMI FL 4 AM EST SUN OCT 31 1999 ...KATRINA OVER THE YUCATAN PENINSULA... AT 4 AM EST...0900Z...THE CENTER OF TROPICAL DEPRESSION KATRINA WAS LOCATED NEAR LATITUDE 18.9 NORTH...LONGITUDE 88.4 WEST OR ABOUT 100 MILES...160 KM...NORTH OF BELIZE CITY BELIZE. THE DEPRESSION IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 17 MPH ...28 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 12 HOURS WITH A GRADUAL TURN TOWARD THE NORTH AS THE SYSTEM EMERGES INTO THE GULF OF MEXICO. MAXIMUM SUSTAINED WINDS ARE NEAR 30 MPH... 45 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB...29.74 INCHES. ADDITIONAL RAINFALL AMOUNTS OF 4 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS...ARE POSSIBLE OVER PORTIONS OF BELIZE AND THE YUCATAN PENINSULA. REPEATING THE 4 AM EST POSITION...18.9 N... 88.4 W. MOVEMENT TOWARD...NORTH-NORTHWEST NEAR 17 MPH. MAXIMUM SUSTAINED WINDS... 30 MPH. MINIMUM CENTRAL PRESSURE...1007 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 10 AM EST. JARVINEN STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT5 AND WMO HEADER WTNT75 KNHC. NNNN