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Monday, July 11, 2011

RTB Weather Forecast Monday, July 11, 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
Monday July 11, 2011
Skies will be mostly cloudy with intermittent showers and thunderstorms. Today, winds will be moderate and easterly, at 15 mph to 20 mph. The seas are relatively calm at 2 to 4 feet in height or less. Winds and seas maybe higher in areas of squalls. Expect winds and seas to increase this evening.
A tropical wave in the central Caribbean is moving W. It will reach the W Caribbean today. Then Central America and the far NW Caribbean tonight. It will be over us through Tuesday. ( See Fig 6 )
Model guidance, still indicates that the monsoon trough will begin to lift north, later in the week, across southern Mexico and the north central Caribbean. This will concentrate shower activity over these areas.
( See Fig 5 )
Else where, tropical storm formation is not expected in the next 24 hours.




Fig 1 - Forecast Wind Speed, Direction & Precipitation_110711

Fig 2 - Forecast Wind Map, 110711_1500 LT

Fig 3 - Forecast Isobars, Cloud Cover and Precipitation, 110711_1500 LT

Fig 4 - Graphicast

Fig 5 - Tropical Surface Analysis

Fig 6 - Water Vapor, early am_110711

Fig 7 - Caribbean IR

Fig 8 - Wind Speed, yesterday, 110710 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 12:02 am LT                                       Moon Rise –3:16 pm LT
high tide 5:15 am LT                                                    Moon Set – 1:49 am LT
low tide 12:08 am LT                                               Sunrise – 5:22 am LT
high tide 7:02 pm LT                                                    Sunset – 6:23 pm LT






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