WOCN31 CWHX 141200 POST-TROPICAL STORM FLORENCE INFORMATION STATEMENT ISSUED BY THE CANADIAN HURRICANE CENTRE OF ENVIRONMENT CANADA AT 9.30 AM NDT THURSDAY 14 SEPTEMBER 2006. THIS IS THE FINAL STORM STATEMENT FROM THE CHC ON THIS STORM. ...POST-TROPICAL STORM FLORENCE CONTINUES TO MOVE AWAY FROM NEWFOUNDLAND... 1. CURRENT POSITION, STRENGTH, CENTRAL PRESSURE AND MOTION AT 9.30 AM NDT... POST-TROPICAL STORM FLORENCE WAS LOCATED NEAR LATITUDE 49.5 N AND LONGITUDE 45.8 W... ABOUT 295 NAUTICAL MILES OR 550 KM EAST NORTHEAST OF ST JOHNS . MAXIMUM SUSTAINED WINDS ARE ESTIMATED AT 60 KNOTS... 111 KM/H... AND CENTRAL PRESSURE AT 968 MB. FLORENCE IS MOVING EAST-NORTHEAST AT 21 KNOTS... 39 KM/H. 2. FORECAST POSITION, CENTRAL PRESSURE AND STRENGTH DATE TIME LAT LON MSLP MAX WIND NDT MB KTS KMH SEP 14 9.30 AM 49.5N 45.8W 968 60 111 POST-TROPICAL SEP 14 3.30 PM 49.9N 42.6W 972 55 102 POST-TROPICAL 3. PUBLIC WEATHER IMPACTS AND WARNINGS SUMMARY BELOW IS A STORM SUMMARY WHICH CAN ALSO BE FOUND UNDER HEADER AWCN16 CWHX WHICH WAS ISSUED AT 7:30 AM NDT. ------------------------------------------------------------------- AN INTENSE STORM ASSOCIATED WITH THE REMNANTS OF HURRICANE FLORENCE STRUCK NEWFOUNDLAND ON WEDNESDAY SEPTEMBER 13TH. HURRICANE FLORENCE BECAME A POST-TROPICAL STORM TUESDAY EVENING SEPTEMBER 12TH WHEN IT WAS APPROXIMATELY 500 KILOMETRES SOUTH OF SABLE ISLAND. AS THE STORM MOVED TOWARD THE AVALON PENINSULA OF NEWFOUNDLAND..AN UPPER-LEVEL TROUGH OF LOW PRESSURE OVER THE MARITIMES BEGAN TO INTERACT WITH THE STORM WHICH LEAD TO ITS REINTENSIFICATION AND MORE NORTHWARD TRACK. THE CENTRE OF THE STORM MOVED JUST SOUTH OF CAPE RACE LATE WEDNESDAY AFTERNOON WITH A CENTRAL PRESSURE ESTIMATED TO BE AROUND 963 MB. POST-TROPICAL STORM FLORENCE HAD A VERY LARGE WIND FIELD WITH TROPICAL STORM-FORCE WINDS (65 KM/H) LOCATED SEVERAL HUNDRED KILOMETRES FROM ITS CENTRE. SOME OF THE HIGHEST WINDS OCCURRED ON THE WEST AND NORTHWEST SIDE OF THE STORM OVER THE BURIN PENINSULA AND ALONG THE COAST FROM FORTUNE BAY TO BURGEO INCLUDING ST. PIERRE AND MIQUELON. WINDS IN THIS REGION GUSTED BETWEEN 130 AND 160 KM/H AND WERE SUSTAINED JUST OVER HURRICANE FORCE (120 KM/H) ON SAGONA ISLAND IN FORTUNE BAY. THE STORM WAS RESPONSIBLE FOR SOME DAMAGE IN THE FORM OF BLOWN DOWN TREES..DAMAGE TO SHINGLES AND SIDING OF HOMES..AND IN ONE INSTANCE A HOUSE WAS BLOWN FROM ITS FOOTING IN THE COMMUNITY OF FRANCOIS. SOME BOATS AND ROADWAYS WERE DAMAGED IN AND AROUND THE BURIN PENINSULA FROM HEAVY SURF CONDITIONS. POWER OUTAGES WERE ALSO REPORTED IN THE ST. JOHN'S AREA. THE FOLLOWING IS A LIST OF PEAK WIND SPEEDS AND STORM TOTAL RAINFALLS FROM VARIOUS WEATHER STATIONS RANKED IN ORDER OF WIND SPEEDS. SITE PEAK WIND RAINFALL (KM/H) (MM) SAGONA ISLAND 163 ST. LAWRENCE 133 47 ST. PIERRE 128 BONAVISTA 109 33 CAPE RACE 107 25 GRATES COVE 107 POOL'S ISLAND 107 ST. JOHN'S 102 48 *** TWILLINGATE 100 22 BURGEO 98 14 ARGENTIA 91 35 GANDER 78 56 TERRA NOVA PARK 58 CAPE PINE* 41 SALT POND** 67 * PRIVATE WEATHER STATION ON THE SOUTHERN AVALON ** WEATHER WATCHER ON THE BURIN PENINSULA *** 48 MILLIMETRES FELL AT ST. JOHN'S AIRPORT AND 52 MILLIMETRES IN MOUNT PEARL. ------------------------------------------------------------------- 4. MARINE WEATHER IMPACTS AND WARNINGS SUMMARY GALE AND STORM FORCE WIND WARNINGS REMAIN IN EFFECT FOR EASTERN NEWFOUNDLAND WATERS. 5. TECHNICAL DISCUSSION A. ANALYSIS SATELLITE IMAGERY SHOWS THAT THE CENTRE OF THE STORM IS NOW EAST OF CANADIAN WATERS BUT THE CIRCULATION EXTENDS WELL TO THE WEST. B. PROGNOSTIC THE STORM WILL CONTINUE TO MOVE EASTWARD TODAY AND WEAKEN. STRONG WINDS ON THE WEST SIDE OF THE LOW WILL GRADUALLY DIMINISH TODAY. C. PUBLIC WEATHER SEE ABOVE. D. MARINE WEATHER SEE ABOVE. END FOGARTY/BOWYER