WOCN31 CWHX 031145 TROPICAL CYCLONE INFORMATION STATEMENT UPDATED BY THE CANADIAN HURRICANE CENTRE OF ENVIRONMENT CANADA AT 9:26 AM ADT MONDAY 3 OCTOBER 2011. --------------------------------------------------------------------- TROPICAL CYCLONE INFORMATION STATEMENT FOR: NEWFOUNDLAND. FOR POST-TROPICAL STORM OPHELIA. THE NEXT INTERMEDIATE STATEMENT WILL BE ISSUED AT 12:00 PM ADT. FOLLOWED BY THE NEXT FULL STATEMENT ISSUED BY 3:00 PM ADT. OPHELIA CROSSING THE SOUTHERN AVALON PENINSULA THIS MORNING. NEAR TROPICAL STORM FORCE WINDS AND LARGE WAVES AT THE COAST. --------------------------------------------------------------------- ==DISCUSSION== 1. SUMMARY OF BASIC INFORMATION AT 9:00 AM ADT. LOCATION: NEAR 46.8 NORTH 54.8 WEST. ABOUT 80 KILOMETRES SOUTHWEST OF ARGENTIA. MAXIMUM SUSTAINED WINDS: NEAR 110 KM/HOUR. PRESENT MOVEMENT: EAST-NORTHEAST AT 80 KM/HOUR. MINIMUM CENTRAL PRESSURE: 980 MB. 2. PUBLIC WEATHER IMPACTS AND WARNINGS SUMMARY. A TROPICAL STORM WATCH IS IN EFFECT FOR THE AVALON PENINSULA. RAINFALL WARNINGS THAT REMAIN IN EFFECT WILL BE ENDED NEAR MIDDAY FOR BONAVISTA PENINSULA AREA. OPHELIA CONTINUES TO WEAKEN. RAIN FROM THE STORM IS MOVING RAPIDLY OFF THE ISLAND THIS MORNING A. WIND. NEAR TROPICAL STORM FORCE WINDS ARE BEING OBSERVED OVER THE SOUTHERN AVALON AND BURIN REGIONS THIS MORNING. B. RAINFALL. RAINFALL CONTINUES OVER NORTHEASTERN PORTIONS OF NEWFOUNDLAND AT FORECAST TIME AND RAPIDLY MOVING OFF THE ISLAND. RAINFALL RATES OF 20 MILLIMETRES/HOUR WERE OBSERVED OVER THE BURIN AND CONNAIGRE PENINSULAS CAUSING SOME FLOODING. C. SURGE/WAVES. ETREMELY LARGE WAVES WITH A SIGNIFICANT WAVE HEIGHT OF 13 METERS WERE MEASURED OVER THE LAURENTIAN FAN MARINE DISTRICT SOUTH OF SABLE ISLAND EARLIER THIS MORNING. THESE WAVES WILL CONTINUE TO MOVE DUE NORTH AND ARE EXPECTED TO ARRIVE AS 8 TO 10 METER WAVES AS THEY IMPACT THE BURIN AND CONNAIGRE PENINSULAS THIS MORNING. WAVES WILL CONTINUE TO BUILD TO 5 TO 7 METERS OVER THE SOUTHERN AVALON LATER THIS MORNING. HIGH TIDE WILL OCCUR THIS AFTERNOON SO WE ARE NOT EXPECTING COASTAL FLOODING, HOWEVER DANGEROUS SURF AND RIPTIDE CONDITIONS WILL OCCUR AND SPECTATORS SHOULD STAY WELL AWAY FROM THE WAVE-BREAKING ZONES. WITH REGARD TO STORM SURGE, 40 TO 60 CM IS POSSIBLE THIS MORNING AROUND THE SOUTHERN AVALON PENINSULA. SINCE HIGH TIDES WILL OCCUR EARLY THIS AFTERNOON AND THE STORM IS CROSSING THE AVALON THIS MORNING THIS SHOULD NOT POSE SIGNIFICANT PROBLEMS. CURRENTLY ST. LAWRENCE TIDE GAUGE SHOWS 40 CM OF SURGE BUT THE TIDE IS LOW. 3. MARINE WEATHER IMPACTS AND WARNINGS SUMMARY. GALE OR STORM WARNINGS ARE IN EFFECT NEAR AND SOUTH OF THE STORM TRACK OVER THE GRAND BANKS AND EASTERN NEWFOUNDLAND WATERS. OPHELIA'S WIND FIELD IS RELATIVELY COMPACT WITH ITS STRONGEST WINDS CONFINED VERY CLOSE TO ITS CENTER BUT WILL CONTINUE TO EXPAND AWAY FROM CENTRE ON THE SOUTH SIDE AS IT EXITS THE AVALON. LARGE WAVES WILL CONTINUE IN THE OFFSHORE - ESPECIALLY TO THE RIGHT (SOUTHEAST) AND CLOSE TO OPHELIA'S TRACK. THE GREATEST THREAT FOR LARGE WAVES IS OVER THE GRAND BANKS AND POSSIBLY THE SOUTH AND EAST COAST MARINE AREAS. EARLY THIS MORNING WAVE HEIGHTS OF 12 TO 14 METRES WERE OBSERVED WITH PEAK WAVE HEIGHTS REACHING 20-22 METRES AT BUOYS 44141 AND 44139. BUOY 44137 ON THE EAST SCOTIAN SLOPE REACHED 7.3 PEAKING AT 12.1 METRES. VISIT WEATHEROFFICE.GC.CA/HURRICANE (ALL IN LOWER CASE) FOR THE LATEST: - FORECAST POSITION, CENTRAL PRESSURE TABLE. - STRENGTH AND PREDICTED WIND RADII TABLE. - HURRICANE TRACK INFORMATION MAP. - TECHNICAL DISCUSSION. PLEASE ALSO REFER TO THE PUBLIC AND MARINE FORECASTS AND WARNINGS ISSUED BY ENVIRONMENT CANADA FOR YOUR AREA. END/FOGARTY/COUTURIER