HURRICANE EARL FORECAST/ADVISORY NUMBER 36 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010 0900 UTC FRI SEP 03 2010 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... ALL WARNINGS HAVE BEEN DISCONTINUED SOUTH OF CAPE LOOKOUT NORTH CAROLINA...AND FOR THE WESTERN PORTION OF THE ABLEMARLE SOUND. THE HURRICANE WATCH HAS BEEN DISCONTINUED NORTH OF THE NORTH CAROLINA/VIRGINIA BORDER TO CAPE HENLOPEN DELAWARE. ENVIRONMENT CANADA HAS ISSUED A TROPICAL STORM WARNING FOR THE COAST OF NOVA SCOTIA FROM LISMORE SOUTHWARD AND EASTWARD TO ECUM SECUM...AND FOR PRINCE EDWARD ISLAND. ENVIRONMENT CANADA HAS ISSUED A TROPICAL STORM WATCH FOR CAPE BRETON ISLAND AND THE MAGDALEN ISLANDS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * CAPE LOOKOUT NORTH CAROLINA NORTHEASTWARD TO THE NORTH CAROLINA/VIRGINIA BORDER INCLUDING THE PAMLICO AND THE EASTERN ALBEMARLE SOUNDS * WESTPORT MASSACHUSETTS EASTWARD AROUND CAPE COD TO HULL MASSACHUSETTS INCLUDING MARTHAS VINEYARD AND NANTUCKET ISLAND A HURRICANE WATCH IS IN EFFECT FOR... * NOVA SCOTIA FROM MEDWAY HARBOUR TO DIGBY A TROPICAL STORM WARNING IS IN EFFECT FOR... * NORTH OF THE NORTH CAROLINA/VIRGINIA BORDER TO SANDY HOOK NEW JERSEY...INCLUDING DELAWARE BAY SOUTH OF SLAUGHTER BEACH AND THE CHESAPEAKE BAY SOUTH OF NEW POINT COMFORT * THE COAST OF LONG ISLAND NEW YORK FROM FIRE ISLAND INLET EASTWARD ON THE SOUTH SHORE AND PORT JEFFERSON HARBOR EASTWARD ON THE NORTH SHORE * NEW HAVEN CONNECTICUT TO WEST OF WESTPORT MASSACHUSETTS... INCLUDING BLOCK ISLAND * NORTH OF HULL MASSACHUSETTS TO THE MERRIMACK RIVER * STONINGTON MAINE EASTWARD TO EASTPORT MAINE * THE COAST OF NOVA SCOTIA FROM LISMORE SOUTHWARD AND EASTWARD TO ECUM SECUM * PRINCE EDWARD ISLAND A TROPICAL STORM WATCH IS IN EFFECT FOR... * NORTH OF THE MERRIMACK RIVER TO WEST OF STONINGTON MAINE * THE COAST OF LONG ISLAND WEST OF FIRE ISLAND INLET ON THE SOUTH SHORE AND WEST OF PORT JEFFERSON HARBOR ON THE NORTH SHORE * NEW BRUNSWICK FROM THE U.S./CANADA BORDER EASTWARD TO FORT LAWRENCE AND FROM TIDNISH WESTWARD TO SHEDIAC * NOVA SCOTIA FROM ECUM SECUM NORTHEASTWARD TO POINT TUPPER...AND EAST OF LISMORE TO POINT TUPPER * CAPE BRETON ISLAND AND THE MAGDALEN ISLANDS HURRICANE CENTER LOCATED NEAR 35.3N 74.0W AT 03/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 20 DEGREES AT 16 KT ESTIMATED MINIMUM CENTRAL PRESSURE 955 MB MAX SUSTAINED WINDS 90 KT WITH GUSTS TO 110 KT. 64 KT....... 60NE 60SE 60SW 45NW. 50 KT.......100NE 90SE 120SW 100NW. 34 KT.......180NE 180SE 150SW 150NW. 12 FT SEAS..360NE 420SE 300SW 220NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 35.3N 74.0W AT 03/0900Z AT 03/0600Z CENTER WAS LOCATED NEAR 34.6N 74.4W FORECAST VALID 03/1800Z 37.8N 72.4W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 60NE 60SE 60SW 40NW. 50 KT...100NE 90SE 120SW 100NW. 34 KT...180NE 180SE 150SW 150NW. FORECAST VALID 04/0600Z 41.6N 68.9W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 60NE 60SE 50SW 40NW. 50 KT... 90NE 100SE 90SW 80NW. 34 KT...180NE 180SE 150SW 140NW. FORECAST VALID 04/1800Z 45.9N 64.3W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 80NE 90SE 80SW 70NW. 34 KT...190NE 180SE 140SW 120NW. FORECAST VALID 05/0600Z 50.7N 60.0W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. 34 KT...160NE 160SE 120SW 100NW. FORECAST VALID 06/0600Z...ABSORBED BY LARGE EXTRATROPICAL CYCLONE REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 35.3N 74.0W NEXT ADVISORY AT 03/1500Z $$ FORECASTER BEVEN HURRICANE EARL DISCUSSION NUMBER 36 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010 500 AM EDT FRI SEP 03 2010 EARL CONTINUES TO SLOWLY WEAKEN...WITH THE EYE BECOMING INDISTINCT IN BOTH SATELLITE AND RADAR DATA. AN AIR FORCE RESERVE HURRICANE HUNTER REPORTED A CENTRAL PRESSURE OF 955 MB AT ABOUT 05Z. THE MAXIMUM 700 MB FLIGHT-LEVEL WINDS AT 03Z WERE 118 KT...WHILE THE MAXIMUM SFMR WINDS NEAR THAT TIME WERE 83 KT. A BLEND OF THESE DATA IS USED FOR THE INITIAL INTENSITY OF 90 KT. EARL SHOULD CONTINUE TO WEAKEN THROUGH 36 HR DUE TO INCREASING VERTICAL WIND SHEAR AND COOLER SEA SURFACE TEMPERATURES. HOWEVER...IT IS STILL FORECAST TO BE A HURRICANE AS IT PASSES NEAR OR OVER SOUTHEASTERN NEW ENGLAND AND NOVA SCOTIA. THE CYCLONE IS FORECAST TO BECOME EXTRATROPICAL BY 48 HR...AND TO BE ABSORBED BY A LARGER EXTRATROPICAL LOW BY 72 HR. |