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

2. Hurricane Earl – Category 4 Storm

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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