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Ross Wagenseil for CDMP January 2000

Barbuda Probable Storm Effects. 17.9 N. 62.05 W. 61.55 W. Ross Wagenseil for CDMP March 2000. 10yr. 25yr. 50yr. 100yr. SELECT. MILES. KILOMETERS. Wind. ARC-MINUTES. 20. CDMP. Wave. 30. 15. Surge. 17.4 N. 20. 10. 10. 10. 5. 0. 0. 0.

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Ross Wagenseil for CDMP January 2000

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  1. Barbuda Probable Storm Effects 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP Wave 30 15 Surge 17.4 N 20 10 10 10 5 0 0 0 The projection of the illustrations is Plate Carrée, a square grid of latitude and longitude. Resolution is 30 arc-seconds. North-South distances are true to scale. East-West distances are stretched 4.8% at 17.4 degrees North, and stretched 5.1% at 17.9 degrees North. All model results were calculated using great-circle distances based on the WGS84 datum. Ross Wagenseil for CDMP January 2000 Points of Interest: 1. Goat Point: Low ground surrounded by reefs. 1 Goat Point 2. Codrington: Harbour and main town on a lagoon Note: Waves and surges for Points of Interest are reported from the nearest cell offshore. 2 Codrington N • This set of maps is part of Section 2 of the Atlas of Probable Storm Effects in the Caribbean Sea, which was sponsored by the Caribbean Disaster Mitigation Project (CDMP), a joint effort of the Organization of American States (OAS) and the US Agency for International Development (USAID). These maps are a result of new techniques for modeling storms and estimating the probabilities of storms, developed in part under the patronage of CDMP. Refer to the Atlasfor explanatory materials. • WINDS represent sustained 1-minute winds at 10 m above the surface, and include both surface friction and topographic effects at a resolution of 30 arc-seconds. Friction factors derive from a Level I land-cover classification, with water, forest and open land predominating. If using wind damage models or building codes which internally include surface friction or topographic corrections, the nearest open-water wind speed from one of these maps may be used as input. Careful judgement is advised in reading and applying the values. • SURGES include astronomical tide and setups from pressure, wind and wave, but not wave runup. Surges over land are shown as elevation above sea level, not water depth. • WAVES are the heights of wave crests above the storm surge level in open water. Shoreline effects do not appear at this resolution.

  2. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP Wave 30 15 Surge 17.4 N Wind Speeds 0 1 2 3 4 5 20 Storm Category 10 10 knots 25 50 75 100 125 mph 10 25 50 75 100 150 125 5 kph 50 100 150 200 250 m/s Min 20 60 10 30 40 50 70 0 0 0 Max Winds 10-Year Return Time Barbuda 1. Goat Point: 32 m/s 1 2. Codrington: 32 m/s 2 N

  3. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP WaveHeights Wave 30 15 Surge 17.4 N 20 10 6 4 1 3 5 2 7 Meters 10 5 10 25 Feet 20 15 10 5 Min 0 0 0 Max Waves 10-Year Return Time Barbuda 1. Goat Point: 4.0 m 1 2. Codrington: 2.0 m 2 N

  4. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP Wave 30 Surge Heights 15 Surge 17.4 N 20 10 1 2 3 4 6 5 Meters 10 20 15 10 5 Feet 10 5 Min 0 0 0 Max Surges 10-Year Return Time Barbuda 1. Goat Point: 0.2 to 0.3 m near shore 1 2. Codrington: 0.5 m 2 N

  5. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP Wave 30 15 Surge 17.4 N Wind Speeds 0 1 2 3 4 5 20 Storm Category 10 10 knots 25 50 75 100 125 mph 10 25 50 75 100 150 125 5 kph 50 100 150 200 250 m/s Min 20 60 10 30 40 50 70 0 0 0 Max Winds 25-Year Return Time Barbuda 1. Goat Point: 41 m/s 1 2. Codrington: 41 m/s 2 N

  6. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP WaveHeights Wave 30 15 Surge 17.4 N 20 10 6 4 1 3 5 2 7 Meters 10 5 10 25 Feet 20 15 10 5 Min 0 0 0 Max Waves 25-Year Return Time Barbuda 1. Goat Point: 5.1 to 5.2 m 1 2. Codrington: 2.3 m 2 N

  7. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP Wave 30 Surge Heights 15 Surge 17.4 N 20 10 1 2 3 4 6 5 Meters 10 20 15 10 5 Feet 10 5 Min 0 0 0 Max Surges 25-Year Return Time Barbuda 1. Goat Point: 0.5 m 1 2. Codrington: 0.9 m 2 N

  8. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP Wave 30 15 Surge 17.4 N Wind Speeds 0 1 2 3 4 5 20 Storm Category 10 10 knots 25 50 75 100 125 mph 10 25 50 75 100 150 125 5 kph 50 100 150 200 250 m/s Min 20 60 10 30 40 50 70 0 0 0 Max Winds 50-Year Return Time Barbuda 1. Goat Point: 48 m/s 1 2. Codrington: 48 m/s 2 N

  9. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP WaveHeights Wave 30 15 Surge 17.4 N 20 10 6 4 1 3 5 2 7 Meters 10 5 10 25 Feet 20 15 10 5 Min 0 0 0 Max Waves 50-Year Return Time Barbuda 1. Goat Point: 6.1 m on the north, 6.0 m on the east, 5.3 m on the west 1 2. Codrington: 2.1 m 2 N

  10. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP Wave 30 Surge Heights 15 Surge 17.4 N 20 10 1 2 3 4 6 5 Meters 10 20 15 10 5 Feet 10 5 Min 0 0 0 Max Surges 50-Year Return Time Barbuda 1. Goat Point: 0.7 to 0.8 m 1 2. Codrington: 1.2 m 2 N

  11. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP Wave 30 15 Surge 17.4 N Wind Speeds 0 1 2 3 4 5 20 Storm Category 10 10 knots 25 50 75 100 125 mph 10 25 50 75 100 150 125 5 kph 50 100 150 200 250 m/s Min 20 60 10 30 40 50 70 0 0 0 Max Winds 100-Year Return Time Barbuda 1. Goat Point: 54 m/s 1 2. Codrington: 54 m/s 2 N

  12. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP WaveHeights Wave 30 15 Surge 17.4 N 20 10 6 4 1 3 5 2 7 Meters 10 5 10 25 Feet 20 15 10 5 Min 0 0 0 Max Waves 100-Year Return Time Barbuda 1. Goat Point: 6.8 m on the north, 6.3 m on the east, 5.5 m on the west 1 2. Codrington: 3.1 m 2 N

  13. 17.9 N 62.05 W 61.55 W Ross Wagenseil for CDMP March 2000 10yr 25yr 50yr 100yr SELECT MILES KILOMETERS Wind ARC-MINUTES 20 CDMP Wave 30 Surge Heights 15 Surge 17.4 N 20 10 1 2 3 4 6 5 Meters 10 20 15 10 5 Feet 10 5 Min 0 0 0 Max Surges 100-Year Return Time Barbuda 1. Goat Point: 1.0 m 1 2. Codrington: 1.8 m 2 N

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