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Wind

Virgin Is. (Northeast) Probable Storm Effects. 18.775 N. Ross Wagenseil for CDMP January 2000. 65.075 W. 20. 30. 15. 64.2 W. 20. 10. MILES. KILOMETERS. 10. ARC-MINUTES. 10. 5. 18.25 N. 0. 0. 0. 10yr. 25yr. 50yr. 100yr. SELECT. Wind. CDMP. Wave. Surge.

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Wind

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  1. Virgin Is. (Northeast) Probable Storm Effects 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP Wave Surge 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 5.3% at 18.25 degrees North, and stretched 5.7% at 18.775 degrees North. All model results were calculated using great-circle distances based on the WGS84 datum. Anegada Tortola Virgin Gorda 2 Road Town 1 St. Thomas St. John Charlotte Amalie • 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. N Points of Interest: Note: Waves and surges for Points of Interest are reported from the nearest cell offshore. 1. Charlotte Amalie: Major port and town. Note: Several small islands appear co-joined at this resolution. 2. Road Town: Main town and harbour

  2. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP Wave Surge Wind Speeds 0 1 2 3 4 5 Storm Category knots 25 50 75 100 125 mph 25 50 75 100 150 125 kph 50 100 150 200 250 m/s Min Max 20 60 10 30 40 50 70 Winds 10-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 32 m/s 2. Road Town: 32 m/s

  3. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP WaveHeights Wave Surge 6 4 1 3 5 2 7 Meters 5 10 25 Feet 20 15 Min Max Waves 10-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 4.0 m 2. Road Town: 4.0 m

  4. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP Wave Surge Heights Surge 1 2 3 4 6 5 Meters 20 15 10 5 Feet Min Max Surges 10-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 0.3 m 2. Road Town: 0.4 m

  5. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP Wave Surge Wind Speeds 0 1 2 3 4 5 Storm Category knots 25 50 75 100 125 mph 25 50 75 100 150 125 kph 50 100 150 200 250 m/s Min Max 20 60 10 30 40 50 70 Winds 25-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 42 m/s 2. Road Town: 41 m/s

  6. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP WaveHeights Wave Surge 6 4 1 3 5 2 7 Meters 5 10 25 Feet 20 15 Min Max Waves 25-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 5.2 m 2. Road Town: 5.1 m

  7. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP Wave Surge Heights Surge 1 2 3 4 6 5 Meters 20 15 10 5 Feet Min Max Surges 25-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 0.6 m 2. Road Town: 0.9 m

  8. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP Wave Surge Wind Speeds 0 1 2 3 4 5 Storm Category knots 25 50 75 100 125 mph 25 50 75 100 150 125 kph 50 100 150 200 250 m/s Min Max 20 60 10 30 40 50 70 Winds 50-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 48 m/s 2. Road Town: 48 m/s

  9. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP WaveHeights Wave Surge 6 4 1 3 5 2 7 Meters 5 10 25 Feet 20 15 Min Max Waves 50-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 6.0 m 2. Road Town: 6.0 m

  10. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP Wave Surge Heights Surge 1 2 3 4 6 5 Meters 20 15 10 5 Feet Min Max Surges 50-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 0.9 m 2. Road Town: 1.2 m

  11. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP Wave Surge Wind Speeds 0 1 2 3 4 5 Storm Category knots 25 50 75 100 125 mph 25 50 75 100 150 125 kph 50 100 150 200 250 m/s Min Max 20 60 10 30 40 50 70 Winds 100-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 55 m/s 2. Road Town: 54 m/s

  12. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP WaveHeights Wave Surge 6 4 1 3 5 2 7 Meters 5 10 25 Feet 20 15 Min Max Waves 100-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 6.9 m 2. Road Town: 6.8 m

  13. 18.775 N Ross Wagenseil for CDMP January 2000 65.075 W 20 30 15 64.2 W 20 10 MILES KILOMETERS 10 ARC-MINUTES 10 5 18.25 N 0 0 0 10yr 25yr 50yr 100yr SELECT Wind CDMP Wave Surge Heights Surge 1 2 3 4 6 5 Meters 20 15 10 5 Feet Min Max Surges 100-Year Return Time Virgin Islands, Northeast 2 1 N 1. Charlotte Amalie: 1.2 m 2. Road Town: 1.5 m

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