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| #307097 (Received by flhurricane at: 6:55 AM 09.Nov.2009) TCPAT1 BULLETIN HURRICANE IDA INTERMEDIATE ADVISORY NUMBER 22A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009 600 AM CST MON NOV 09 2009 ...IDA CONTINUES TO WEAKEN AS IT MOVES ACROSS THE GULF OF MEXICO... A HURRICANE WARNING REMAINS IN EFFECT FOR THE NORTHERN GULF COAST FROM PASCAGOULA MISSISSIPPI EASTWARD TO INDIAN PASS FLORIDA. A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A TROPICAL STORM WARNING AND A HURRICANE WATCH REMAIN IN EFFECT FOR THE NORTHERN GULF COAST FROM GRAND ISLE LOUISIANA EASTWARD TO WEST OF PASCAGOULA MISSISSIPPI...INCLUDING NEW ORLEANS AND LAKE PONTCHARTRAIN. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 24 HOURS. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 HOURS. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE NORTHERN GULF COAST FROM EAST OF INDIAN PASS FLORIDA TO AUCILLA RIVER FLORIDA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. AT 600 AM CST...1200 UTC...THE CENTER OF HURRICANE IDA WAS LOCATED NEAR LATITUDE 25.8 NORTH...LONGITUDE 88.2 WEST OR ABOUT 235 MILES... 380 KM...SOUTH-SOUTHEAST OF THE MOUTH OF THE MISSISSIPPI RIVER AND ABOUT 330 MILES...535 KM...SOUTH-SOUTHWEST OF PENSACOLA FLORIDA. IDA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 16 MPH...26 KM/HR. A TURN TOWARD THE NORTH WITH AN INCREASE IN FORWARD SPEED IS EXPECTED DURING THE NEXT 24 HOURS...FOLLOWED BY A TURN TOWARD THE NORTHEAST ON TUESDAY. ON THE FORECAST TRACK...IDA IS EXPECTED TO MOVE ACROSS THE GULF OF MEXICO TODAY...AND MAKE LANDFALL ALONG THE NORTHERN GULF COAST OVERNIGHT. DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 80 MPH...130 KM/HR...WITH HIGHER GUSTS. IDA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. ADDITIONAL WEAKENING IS FORECAST DURING THE NEXT 24 HOURS. HOWEVER...IDA COULD STILL BE A HURRICANE WHEN IT APPROACHES THE GULF COAST TONIGHT. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON DATA FROM THE HURRICANE HUNTER AIRCRAFT IS 993 MB...29.32 INCHES. RAINS WILL BE INCREASING WELL IN ADVANCE OF IDA ACROSS THE CENTRAL AND EASTERN GULF COAST...BUT WILL BECOME STEADIER AND HEAVIER LATER TODAY INTO TUESDAY. TOTAL STORM ACCUMULATIONS OF 3 TO 6 INCHES...WITH ISOLATED MAXIMUM STORM TOTALS OF 8 INCHES...ARE POSSIBLE THROUGH TUESDAY FROM THE CENTRAL AND EASTERN GULF COAST NORTHWARD INTO THE EASTERN PORTIONS OF THE TENNESSEE VALLEY AND THE SOUTHERN APPALACHIANS. A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 4 TO 6 FEET ABOVE GROUND LEVEL ALONG THE COAST NEAR AND TO THE EAST OF WHERE THE CENTER MAKES LANDFALL. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. ...SUMMARY OF 600 AM CST INFORMATION... LOCATION...25.8N 88.2W MAXIMUM SUSTAINED WINDS...80 MPH PRESENT MOVEMENT...NORTH-NORTHWEST OR 335 DEGREES AT 16 MPH MINIMUM CENTRAL PRESSURE...993 MB THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 900 AM CST. $$ FORECASTER BRENNAN/FRANKLIN |
