000 WTNT31 KNHC 080557 TCPAT1 BULLETIN HURRICANE IDA INTERMEDIATE ADVISORY NUMBER 15A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009 1200 AM CST SUN NOV 08 2009 ...IDA STRENGTHENING...MOVING NORTH-NORTHWESTWARD... A HURRICANE WATCH REMAINS IN EFFECT FOR THE YUCATAN PENINSULA OF MEXICO FROM TULUM TO CABO CATOCHE. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR GRAND CAYMAN ISLAND. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE YUCATAN PENINSULA OF MEXICO FROM PUNTA ALLEN NORTHWARD TO SAN FELIPE. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA...GENERALLY WITHIN 24 HOURS. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CUBAN PROVINCE OF PINAR DEL RIO. A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE ISLE OF YOUTH. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES... PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. AT 1200 AM CST...0600 UTC...THE CENTER OF HURRICANE IDA WAS LOCATED BY AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT NEAR LATITUDE 20.1 NORTH...LONGITUDE 85.3 WEST OR ABOUT 110 MILES...175 KM... EAST-SOUTHEAST OF COZUMEL MEXICO AND ABOUT 120 MILES...195 KM... SOUTH OF THE WESTERN TIP OF CUBA. IDA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...19 KM/HR... AND THIS GENERAL HEADING IS EXPECTED TO CONTINUE OVER THE NEXT 48 HOURS WITH AN INCREASE IN FORWARD SPEED. ON THE FORECAST TRACK ...IDA IS EXPECTED TO MOVE THROUGH THE YUCATAN CHANNEL AND INTO THE SOUTHEASTERN GULF OF MEXICO TODAY. DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 90 MPH...150 KM/HR...WITH HIGHER GUSTS. IDA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE SCALE. SOME ADDITIONAL STRENGTHENING IS EXPECTED DURING THE NEXT DAY OR SO...BUT A SLOW WEAKENING IS EXPECTED TO BEGIN ON MONDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 15 MILES...30 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM...FROM THE CENTER. NOAA BUOY 42056...LOCATED IN THE NORTHWESTERN CARIBBEAN SEA ABOUT 120 MILES...195 KM...EAST- SOUTHEAST OF COZUMEL MEXICO...RECENTLY REPORTED A ONE-MINUTE SUSTAINED WIND OF 56 MPH...91 KM/HR. THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON AN OBSERVATION FROM NOAA BUOY 42056 IS 980 MB...28.94 INCHES. IDA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 5 INCHES OVER PORTIONS OF THE YUCATAN PENINSULA AND WESTERN CUBA...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 10 INCHES. RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE ALSO POSSIBLE ACROSS THE CAYMAN ISLANDS. ...SUMMARY OF 1200 AM CST INFORMATION... LOCATION...20.1N 85.3W MAXIMUM SUSTAINED WINDS...90 MPH PRESENT MOVEMENT...NORTH-NORTHWEST OR 340 DEGREES AT 12 MPH MINIMUM CENTRAL PRESSURE...980 MB THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 300 AM CST. $$ FORECASTER BRENNAN/KIMBERLAIN