000 WTNT31 KNHC 071752 TCPAT1 BULLETIN TROPICAL STORM IDA INTERMEDIATE ADVISORY NUMBER 13A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009 100 PM EST SAT NOV 07 2009 ...HURRICANE HUNTER AIRCRAFT FIND IDA STRONGER... 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 IS IN EFFECT FOR THE CUBAN PROVINCE OF PINAR DEL RIO. A TROPICAL STORM WATCH IS IN EFFECT FOR THE ISLE OF YOUTH. INTERESTS ELSEWHERE IN THE YUCATAN PENINSULA OF MEXICO...WESTERN CUBA AND THE CAYMAN ISLANDS SHOULD MONITOR THE PROGRESS OF IDA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. AT 100 PM EST...1800 UTC...THE CENTER OF TROPICAL STORM IDA WAS LOCATED NEAR LATITUDE 18.5 NORTH...LONGITUDE 84.1 WEST OR ABOUT 230 MILES...370 KM...SOUTHEAST OF COZUMEL MEXICO AND ABOUT 230 MILES...370 KM...SOUTH OF THE WESTERN TIP OF CUBA. IDA IS MOVING TOWARD THE NORTH NEAR 9 MPH...15 KM/HR. A TURN TOWARD THE NORTH-NORTHWEST WITH A GRADUAL INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...IDA IS EXPECTED TO MOVE OVER OR JUST EAST OF THE NORTHEASTERN PORTION OF THE YUCATAN PENINSULA ON SUNDAY. IDA IS EXPECTED TO MOVE INTO THE SOUTHEASTERN GULF OF MEXICO SUNDAY NIGHT. REPORTS FROM AN AIR FORCE RESERVE AIRCRAFT INDICATE THAT THE MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. IDA COULD BECOME A HURRICANE LATER TODAY OR TONIGHT BUT WEAKENING IS EXPECTED AFTER IDA ENTERS THE GULF OF MEXICO. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 120 MILES...165 KM MAINLY NORTH FROM THE CENTER. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY RECONNAISSANCE AIRCRAFT WAS 990 MB...29.23 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 100 PM EST INFORMATION... LOCATION...18.5N 84.1W MAXIMUM SUSTAINED WINDS...70 MPH PRESENT MOVEMENT...NORTH OR 360 DEGREES AT 9 MPH MINIMUM CENTRAL PRESSURE...990 MB THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 400 PM EST. $$ FORECASTER BROWN/CANGIALOSI/BLAKE