000 WTNT33 KNHC 251146 TCPAT3 BULLETIN HURRICANE RINA INTERMEDIATE ADVISORY NUMBER 8A NWS NATIONAL HURRICANE CENTER MIAMI FL AL182011 800 AM EDT TUE OCT 25 2011 ...RINA MOVING SLOWLY WEST-NORTHWESTWARD...ADDITIONAL STRENGTHENING EXPECTED... SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...17.4N 83.8W ABOUT 215 MI...345 KM SW OF GRAND CAYMAN ABOUT 305 MI...490 KM ESE OF CHETUMAL MEXICO MAXIMUM SUSTAINED WINDS...100 MPH...160 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 3 MPH...6 KM/H MINIMUM CENTRAL PRESSURE...975 MB...28.79 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * THE EAST COAST OF THE YUCATAN PENINSULA FROM NORTH OF PUNTA GRUESA TO CANCUN A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE EAST COAST OF THE YUCATAN PENINSULA FROM CHETUMAL TO PUNTA GRUESA A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL STORM FORCE WINDS... CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREAS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM EDT...1200 UTC...THE CENTER OF HURRICANE RINA WAS LOCATED NEAR LATITUDE 17.4 NORTH...LONGITUDE 83.8 WEST. RINA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 3 MPH...6 KM/H. A GRADUAL TURN TOWARD THE NORTHWEST WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT 48 HOURS. ON THE FORECAST TRACK...THE CENTER OF RINA WILL APPROACH THE EAST COAST OF THE YUCATAN PENINSULA BY THURSDAY MORNING. MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 KM/H...WITH HIGHER GUSTS. RINA IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT DAY OR SO...AND RINA COULD BECOME A MAJOR HURRICANE BY TONIGHT OR EARLY WEDNESDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 15 MILES...30 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 975 MB...28.79 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE TROPICAL STORM AND HURRICANE WATCH AREAS BY LATE WEDNESDAY...WITH HURRICANE CONDITIONS POSSIBLE IN THE HURRICANE WATCH AREA BY EARLY THURSDAY. RAINFALL...RINA IS EXPECTED TO PRODUCE RAINFALL AMOUNTS OF 2 TO 4 INCHES OVER THE CAYMAN ISLANDS. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM EDT. $$ FORECASTER BRENNAN