000 WTNT33 KNHC 271442 TCPAT3 BULLETIN TROPICAL STORM RINA ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL182011 1000 AM CDT THU OCT 27 2011 ...NOAA HURRICANE HUNTER AIRCRAFT FINDS THAT RINA HAS WEAKENED TO A TROPICAL STORM... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...19.2N 87.0W ABOUT 90 MI...145 KM S OF COZUMEL MEXICO ABOUT 100 MI...155 KM ENE OF CHETUMAL MEXICO MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NNW OR 330 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS CHANGED THE HURRICANE WARNING FOR THE NORTHEASTERN COAST OF THE YUCATAN PENINSULA TO A TROPICAL STORM WARNING. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * THE EAST AND NORTH COASTS OF THE YUCATAN PENINSULA FROM CHETUMAL TO PROGRESO PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION IN THE WARNING AREA. INTERESTS IN WESTERN CUBA SHOULD MONITOR THE PROGRESS OF RINA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1000 AM CDT...1500 UTC...THE CENTER OF TROPICAL STORM RINA WAS LOCATED NEAR LATITUDE 19.2 NORTH...LONGITUDE 87.0 WEST. RINA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 6 MPH...9 KM/H. A TURN TOWARD THE NORTH IS EXPECTED LATER TODAY...WITH A TURN TOWARD THE EAST AND A DECREASE IN FORWARD SPEED EXPECTED ON FRIDAY OR FRIDAY NIGHT. ON THE FORECAST TRACK...THE CENTER OF RINA WILL MOVE NEAR OR OVER THE NORTHEASTERN COAST OF THE YUCATAN PENINSULA TODAY THROUGH FRIDAY. REPORTS FROM A NOAA HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 70 MPH...110 KM/H...WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST DURING THE NEXT 48 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM FROM THE CENTER. THE MEXICAN AUTOMATED STATION AT BANCO CHINCHORRO RECENTLY REPORTED SUSTAINED WINDS OF 43 MPH...69 KM/H...AND A WIND GUST OF 55 MPH...88 KM/H. THE MINIMUM CENTRAL PRESSURE ESTIMATED BY THE HURRICANE HUNTER AIRCRAFT IS 989 MB...29.21 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE SPREADING ONTO THE COAST OF THE YUCATAN PENINSULA IN THE TROPICAL STORM WARNING AREA. THESE CONDITIONS SHOULD SPREAD NORTHWARD ALONG THE COAST IN THE WARNING AREA THROUGH THE REMAINDER OF TODAY AND TONIGHT. RAINFALL...RINA IS EXPECTED TO PRODUCE RAINFALL AMOUNTS OF 3 TO 6 INCHES OVER THE EASTERN YUCATAN PENINSULA AND COZUMEL THROUGH FRIDAY WITH ISOLATED MAXIMUM AMOUNTS TO 10 INCHES. STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS ALONG THE IMMEDIATE COAST NEAR AND TO THE RIGHT OF THE TRACK OF THE CENTER. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...100 PM CDT. NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER BEVEN