WOCN31 CWHX 140600 TROPICAL STORM ALBERTO INFORMATION STATEMENT ISSUED BY THE CANADIAN HURRICANE CENTRE OF ENVIRONMENT CANADA AT 3.00 AM ADT WEDNESDAY 14 JUNE 2006. THE NEXT STATEMENT WILL BE ISSUED BY 9.00 AM ADT ...ALBERTO EXPECTED TO APPROACH ATLANTIC CANADA AS A POST-TROPICAL STORM LATER THIS WEEK... 1. CURRENT POSITION, STRENGTH, CENTRAL PRESSURE AND MOTION AT 3.00 AM ADT... TROPICAL STORM ALBERTO WAS LOCATED NEAR LATITUDE 32.6 N AND LONGITUDE 81.9 W... ABOUT 45 NAUTICAL MILES OR 80 KM NORTHWEST OF SAVANNAH GEORGIA. MAXIMUM SUSTAINED WINDS ARE ESTIMATED AT 35 KNOTS... 65 KM/H... AND CENTRAL PRESSURE AT 1004 MB. ALBERTO IS MOVING NORTHEAST AT 20 KNOTS... 37 KM/H. 2. FORECAST POSITION, CENTRAL PRESSURE AND STRENGTH DATE TIME LAT LON MSLP MAX WIND ADT MB KTS KMH JUN 14 3.00 AM 32.6N 81.9W 1004 35 65 JUN 14 3.00 PM 35.0N 78.0W 1004 30 56 POST-TROPICAL JUN 15 3.00 AM 38.0N 71.0W 1001 35 65 POST-TROPICAL JUN 15 3.00 PM 41.3N 63.8W 998 45 83 POST-TROPICAL JUN 16 3.00 AM 45.0N 57.0W 996 45 83 POST-TROPICAL JUN 16 3.00 PM 48.5N 50.5W 999 40 74 POST-TROPICAL JUN 17 3.00 AM 51.0N 43.0W 1000 35 65 POST-TROPICAL JUN 17 3.00 PM 53.9N 34.1W 995 40 74 POST-TROPICAL JUN 18 3.00 AM 56.2N 25.5W 995 40 74 POST-TROPICAL 3. PUBLIC WEATHER IMPACTS AND WARNINGS SUMMARY ALTHOUGH PERIODS OF RAIN WILL DEVELOP OVER PORTIONS OF NOVA SCOTIA ON THURSDAY AS POST-TROPICAL STORM ALBERTO PASSES NEAR SABLE ISLAND..IT NOW APPEARS THE HEAVIER AMOUNTS WILL REMAIN OFFSHORE FOR THE MOST PART. WE WILL HOLD OFF ON HEAVY RAINFALL WARNINGS FOR NOVA SCOTIA FOR THE TIME BEING..BUT OF COURSE THE SITUATION WILL BE MONITORED CLOSELY. PERIODS OF HEAVY RAIN ARE ALSO LIKELY FOR SOUTHERN NEWFOUNDLAND BEGINNING LATE THURSDAY EVENING AND PERSISTING INTO FRIDAY MORNING..AND IF THE CURRENT TRACK PROVES CORRECT HEAVY RAINFALL WARNINGS MAY BECOME REQUIRED FOR SOUTHEASTERN NEWFOUNDLAND. THE CURRENT TRACK WOULD KEEP THE STRONGER WINDS AWAY FROM MOST INLAND REGIONS OF NOVA SCOTIA AND NEWFOUNDLAND EXCEPT PERHAPS FOR PORTIONS OF THE AVALON PENINSULA FRIDAY MORNING. 4. MARINE WEATHER IMPACTS AND WARNINGS SUMMARY EVEN THOUGH ALBERTO IS EXPECTED TO HAVE LOST MUCH OF ITS TROPICAL CHARACTERISTICS BY THE TIME IT REACHES CANADIAN WATERS ON THURSDAY..GALES ARE STILL EXPECTED OVER MOST OFFSHORE WATERS AS THE SYSTEM TRANSFORMS INTO A FRONTAL LOW PRESSURE SYSTEM. AS A RESULT GALE WARNINGS HAVE NOW BEEN ISSUED FOR THE NOVA SCOTIA MARINE AREAS OF BROWNS BANK.. GEORGES BANK.. SOUTHWESTERN SHORE.. LAHAVE BANK.. WEST SCOTIAN SLOPE.. EASTERN SHORE.. SABLE.. EAST SCOTIAN SLOPE.. BANQUEREAU.. AND LAURENTIAN FAN. GALE WARNINGS WILL ALSO LIKELY BE REQUIRED FOR MOST SOUTHEASTERN NEWFOUNDLAND WATERS ON FRIDAY. 5. TECHNICAL DISCUSSION A. ANALYSIS ALBERTO IS STILL INLAND OVER SOUTHEASTERN GEORGIA AND IS NEARING THE SOUTH CAROLINA BORDER. MOST OF THE RAIN IS OCCURRING NORTH OF ALBERTO. B. PROGNOSTIC NUMERICAL GUIDANCE MAINTAINING A NORTHEAST PATH FOR ALBERTO OVER THE NEXT 3 DAYS. GEM MODEL CONTINUES TO SIGNIFICANTLY DEEPEN POST-TROPICAL ALBERTO ON THURSDAY AND THIS IS LIKELY THE MODEL OVERDOING THE LATENT HEAT RELEASE RESULTING IN CONVECTIVE FEEDBACK. THE GEM SOLUTION CONTINUES TO LOOK LIKE AN OUTLIER IN THIS CASE AS OTHER MODELS OFFER MUCH MORE MODEST DEEPENING. OUR FORECAST TRACK REMAINS GENERALLY IN THE MIDDLE OF THE GUIDANCE ENVELOPE WITH MINOR ADJUSTMENTS FROM THE PREVIOUS TRACK. C. PUBLIC WEATHER SEE ABOVE. D. MARINE WEATHER SEE ABOVE. END/LAFORTUNE