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Saturday, July 16, 2011

RTB Weather Forecast for Saturday, July 16, 2011

Roatan Weather Forecast
As presented by Radio Roatan, FM 101.1 or www.roatanradio.com
and
CoCoView Resort, www.cocoviewresort.com, 800-282-8932
CoCoView is at 16.3°N Latitude x 86.5°W Longitude
In the
NW Caribbean Sea
Saturday July 16, 2011
Skies will be sunny with mid to high level cloudiness. Winds will be easterly at 20 to25 mph. They will increase to 25 to 30 mph, this afternoon and evening. The seas are choppy at 2 to 4 feet or higher. Expect stronger winds and higher seas tomorrow.
The leading edge of the tropical wave, passed over us late yesterday and is well to the West, this morning, 
( See Fig 5 ). An active monsoonal trough persists over much of Central America, ( See Fig 4 ). Heavy rainfall, especially at higher elevations, on the main land, is possible. This rainfall, may create life threatening flash floods and mudslides. From satellite imagery, ( See Figs 5 & 6 ), it appears most of this rain will remain south of the Bay Islands
Elsewhere, tropical storm formation is not expected for the next 24 hours.


Fig 1 - Forecast Wind Speed, Direction & Precipitation_110716

Fig 2 - Forecast Wind Map, 110716_1500LT 
Fig 3 - Forecast Isobars, Cloud Cover, and Precipitation 110716_1500LT 

Fig 4 - Graphicast

Fig 5 - Water Vapor and Tropical Wave Position, early am_110716 

Fig 6 - Caribbean IR Satellite, early am_110716

Fig 7 - Wind Speeds, yesterday, 110715, at the Roatan Airport

The air temperatures will be in the 80s to the mid 90s (F) or 27 to 32 (C).
At depth, ocean water temperatures are about 82F to 84F or 28C to 29C . Visibility is generally 60 to 80 feet.


The Tides:                                                  Moon and Sun
low tide 3:33 am LT                                      Moon Rise –7:31 pm LT
high tide 9:15 am LT                                                 Moon Set – 6:34 am LT
low tide 3:20 pm LT                                              Sunrise – 5:24 am LT
high tide 10:01 pm LT                                              Sunset – 6:23 pm LT






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