Ross Wagenseil for PGDM April 2001 Wind Wave Surge 10yr25yr50yr100yr SELECT 1 Antigua Topography PGDM May N W N W 0 > 350 m < - 50 m sea level 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Grid: British West Indies Projection: Transverse Mercator Spheroid: Clarke 1880 Unit of Measurement: Meter Meridian of Origin: 62° West of Greenwich Latitude of Origin : Equator Scale Factor at Origin: False Co-ords of Origin: 400,000 m Easting, Nil Northing Datum: USNHO Astro 1943 Molodensky dx/dy/dz: Resolution: 6 arc-seconds. (~ m) The model used great-circle distances on the WGS84 datum. Scale varies with output device: Letter paper, 8½” X 11” ~ 1/172,000 15” monitor ~ 1/160,000 17” monitor ~ 1/141,000 19” monitor ~ 1/126,000 APPROXIMATELY Points of Interest: English and Falmouth Harbours: International yachting centers. 2. Parham: Town and harbour at the end of a broad, shallow bay. Important desalinization and power plants at Crabs Peninsula, 2 Km northeast of the town. Flood plain west of town. 1. St. John’s: Main town, with the harbour at the end of a deep inlet. Includes commercial, recreational, and fishing facilities. 4. Jolly Harbour: Major resort complex with hotel on beach and yacht harbour dredged from natural lagoon N Notes: 1. Roads are shown for visual reference only. 2. Waves and surges for Points of Interest are reported from the nearest cell offshore. Directory Topo. Map

Wind Speeds knots mph kph m/s Storm Category Antigua Winds Wind Wave Surge 10yr25yr50yr100yr SELECT Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W English and Falmouth Harbours Nelson’s Dockyard 30 m/s Falmouth SE 25 m/s Falmouth NW 32 m/s 2. Parham Desalinization plant 31 m/s Waterfront by town 29 m/s Hill above town 33 m/s 1. St. John’s Downtown 27 m/s East side of town 32 m/s 4. Jolly Harbour Channel entrance 27 m/s Inner boat basin 26 m/s Beach front 28 m/s N Probability 10% / year, 10-Year Return Time Directory Topo. Map

Probability 10% / year, 10-Year Return Time Waves Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Wave Heights Meters Feet Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W N 3. English and Falmouth Harbours Nelson’s Dockyard 1.2 m Falmouth SE 1.2 m Falmouth NW 1.5 m 2. Parham Desalinization plant 1.6 m Waterfront by town 1.4 m Flood plain west of town 0.9 m 1. St. John’s Waterfront by market 1.3 m North of Rat Island 1.1 m Cruise Ship terminal 0.1 m Week Point 3.0 m 4. Jolly Harbour Channel entrance 1.2 m Inner boat basin 1.2 m Beach front 1.1 m Directory Topo. Map

Probability 10% / year, 10-Year Return Time Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Surge Heights Meters Feet Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W N 3. English and Falmouth Harbours Nelson’s Dockyard 0.2 m Falmouth SE 0.2 m Falmouth NW 0.2 m 2. Parham Desalinization plant 0.5 m Waterfront by town 0.6 m Flood plain west of town 0.2 m 1. St. John’s Waterfront by market 0.4 m North of Rat Island 0.4 m Cruise Ship terminal 0.4 m 4. Jolly Harbour Channel entrance 0.3 m Inner boat basin 0.3 m Beach front 0.3 m Note: surges are reported as elevation above sea level, not depth of water. Surges Directory Topo. Map

Probability 4% / year, 25-Year Return Time Wind Speeds knots mph kph m/s Storm Category Winds Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W English and Falmouth Harbours Nelson’s Dockyard 38 m/s Falmouth SE 33 m/s Falmouth NW 41 m/s 2. Parham Desalinization plant 39 m/s Waterfront by town 37 m/s Hill above town 42 m/s 1. St. John’s Downtown 36 m/s East side of town 40 m/s 4. Jolly Harbour Channel entrance 36 m/s Inner boat basin 35 m/s Beach front 36 m/s N Directory Topo. Map

Probability 4% / year, 25-Year Return Time Waves Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Wave Heights Meters Feet Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W N 3. English and Falmouth Harbours Nelson’s Dockyard 1.3 m Falmouth SE 1.3 m Falmouth NW 1.5 m 2. Parham Desalinization plant 1.6 m Waterfront by town 1.7 m Flood plain west of town 0.5 m 1. St. John’s Waterfront by market 1.3 m North of Rat Island 1.3 m Cruise Ship terminal 1.0 m Week Point 3.3 m 4. Jolly Harbour Channel entrance 1.3 m Inner boat basin 1.3 m Beach front 1.3 m Directory Topo. Map

Probability 4% / year, 25-Year Return Time Surges Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Surge Heights Meters Feet Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W N 3. English and Falmouth Harbours Nelson’s Dockyard 0.3 m Falmouth SE 0.3 m Falmouth NW 0.4 m 2. Parham Desalinization plant 0.8 m Waterfront by town 1.0 m Flood plain west of town 1.8 m 1. St. John’s Waterfront by market 0.7 m North of Rat Island 0.8 m Cruise Ship terminal 0.7 m 4. Jolly Harbour Channel entrance 0.5 m Inner boat basin 0.6 m Beach front 0.6 m Note: surges are reported as elevation above sea level, not depth of water. Directory Topo. Map

Probability 2% / year, 50-Year Return Time Wind Speeds knots mph kph m/s Storm Category Winds Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W English and Falmouth Harbours Nelson’s Dockyard 42 m/s Falmouth SE 36 m/s Falmouth NW 47 m/s 2. Parham Desalinization plant 45 m/s Waterfront by town 42 m/s Hill above town 47 m/s 1. St. John’s Downtown 40 m/s East side of town 46 m/s 4. Jolly Harbour Channel entrance 40 m/s Inner boat basin 40 m/s Beach front 40 m/s N Directory Topo. Map

Probability 2% / year, 50-Year Return Time Waves Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Wave Heights Meters Feet Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W N 3. English and Falmouth Harbours Nelson’s Dockyard 1.4 m Falmouth SE 1.4 m Falmouth NW 1.6 m 2. Parham Desalinization plant 1.7 m Waterfront by town 1.8 m Flood plain west of town 0.6 m 1. St. John’s Waterfront by market 1.4 m North of Rat Island 1.4 m Cruise Ship terminal 1.2 m Week Point 3.6 m 4. Jolly Harbour Channel entrance 1.5 m Inner boat basin 1.4 m Beach front 1.5 m Directory Topo. Map

Probability 2% / year, 50-Year Return Time Surges Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Surge Heights Meters Feet Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W N 3. English and Falmouth Harbours Nelson’s Dockyard 0.4 m Falmouth SE 0.5 m Falmouth NW 0.6 m 2. Parham Desalinization plant 1.1 m Waterfront by town 1.3 m Flood plain west of town 2.4 m 1. St. John’s Waterfront by market 1.0 m North of Rat Island 1.0 m Cruise Ship terminal 1.0 m 4. Jolly Harbour Channel entrance 0.8 m Inner boat basin 0.9 m Beach front 0.9 m Note: surges are reported as elevation above sea level, not depth of water. Directory Topo. Map

Probability 1% / year, 100-Year Return Time Wind Speeds knots mph kph m/s Storm Category Winds Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W N 3. English and Falmouth Harbours Nelson’s Dockyard 48 m/s Falmouth SE 41 m/s Falmouth NW 52 m/s 2. Parham Desalinization plant 50 m/s Waterfront by town 47 m/s Hill above town 53 m/s 1. St. John’s Downtown 47 m/s East side of town 51 m/s 4. Jolly Harbour Channel entrance 45 m/s Inner boat basin 44 m/s Beach front 45 m/s Directory Topo. Map

Probability 1% / year, 100-Year Return Time Wave Heights Meters Feet Waves Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W English and Falmouth Harbours Nelson’s Dockyard 1.6 m Falmouth SE 1.6 m Falmouth NW 1.7 m 2. Parham Desalinization plant 1.8 m Waterfront by town 2.1 m Flood plain west of town 0.8 m 1. St. John’s Waterfront by market 1.6 m North of Rat Island 1.5 m Cruise Ship terminal 1.3 m Week Point 3.6 m 4. Jolly Harbour Channel entrance 1.6 m Inner boat basin 1.6 m Beach front 1.7 m N Directory Topo. Map

Probability 1% / year, 100-Year Return Time Surges Surge Heights Meters Feet Antigua Wind Wave Surge 10yr25yr50yr100yr SELECT Min Max 5 ARC-MINUTES 0 5 KILOMETERS 0 10 MILES 0 5 Ross Wagenseil for PGDM April 2001 PGDM May N W N W N 3. English and Falmouth Harbours Nelson’s Dockyard 0.6 m Falmouth SE 0.6 m Falmouth NW 0.8 m 2. Parham Desalinization plant 1.5 m Waterfront by town 1.7 m Flood plain west of town 2.9 m 1. St. John’s Waterfront by market 1.3 m North of Rat Island 1.4 m Cruise Ship terminal 1.2 m 4. Jolly Harbour Channel entrance 1.1 m Inner boat basin 1.2 m Beach front 1.2 m Note: surges are reported as elevation above sea level, not depth of water. Directory Topo. Map