HURRICANE EARL SUMMARY UPDATED SEPTEMBER 2, 2010 11:00 AM

Hurricane Earl – Category 4 Storm

HURRICANE EARL PROJECTION Major category 4 hurricane currently Earl will likely pass within 75 miles southeast of Nantucket late Friday evening Probably as Category 2 hurricane, but cannot rule out Category 3 Preparations should be complete by noon Friday

HURRICANE EARL WATCHES/WARNINGS Hurricane Warning: Westport to Hull But primary concern is with Cape Cod, Martha’s Vineyard, and Nantucket Tropical Storm Warning New Haven to Westport (southeast Connecticut and Rhode Island Coast including Block Island) Tropical Storm Watch: Hull, MA to Eastport, ME

SOUTHERN NEW ENGLAND IMPACTS Marine High seas, high surf, and dangerous rip currents through Saturday 4 to 7 foot swells already approaching south coast waters Dangerous rip currents likely along most ocean exposed beaches whether south or east facing this afternoon through Saturday Seas over open coastal waters 10 to 20 feet to left of track 20 to 30+ feet very near track 30 to 40+ feet to right of the track

HURRICANE EARL IMPACTS Wind Be prepared for: Hurricane force winds Nantucket, Cape Cod and Martha’s Vineyard At least Tropical Storm Force winds with hurricane force gusts Buzzards Bay coast and Plymouth County coast Tropical Storm Force winds (either sustained or in gusts) likely along the Rhode Island coast and Block Island Tropical Storm Force wind gusts possible rest of Massachusetts coast Tropical Storm Force gusts interior southeast Massachusetts Any further shift to the west of the track would shift stronger winds to W and NW

HURRICANE EARL IMPACTS Heavy Rain/Flooding 2 to 4 inches of rain Rhode Island and eastern Massachusetts likely Embedded spot amounts up to 6 inches possible somewhere within this area 1 to 3 inches possible eastern Connecticut into eastern Worcester County Massachusetts Streams and rivers with significant urban runoff likely to be biggest problems May need to issue Flood or Flash Flood Watches later today

HURRICANE EARL IMPACTS Storm Surge Flooding Storm surge of 2 to 4 feet may cause minor flooding along vulnerable portions of the Nantucket, Chatham and Martha’s Vineyard shoreline during the Friday evening high tide Surge of 2 to possibly 3 feet may cause spotty minor coastal flooding Narragansett Bay. Fox Point Barrier water level could approach 7 feet MLLW for Friday afternoon high tide Up to 2 feet of surge possible rest of Massachusetts east coast during Friday evening high tide with splashover possible Minor to moderate storm surge flooding possible for Wellfleet and Provincetown harbors after Earl passes Friday night 3 to 6 foot surge possible 3 to 5 AM but between high tides

POST HURRICANE EARL Sunny and breezy Saturday NW wind gusts to 30 mph Swells, surf, and rip currents subsiding during Saturday but still dangerous No hazardous weather rest of Labor Day Weekend