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Caribbean Compass Yachting Magazine January 2015

Welcome to Caribbean Compass, the most widely-read boating publication in the Caribbean! THE MOST NEWS YOU CAN USE - feature articles on cruising destinations, regattas, environment, events...

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NASA<br />

SELECTED ON-LINE<br />

WEATHER<br />

SOURCES<br />

JANUARY <strong>2015</strong> CARIBBEAN COMPASS PAGE 32<br />

GUY DEAN<br />

“Red sky at night…” When was the last time you really looked at the sky during<br />

happy hour For that matter, when was the last time you even tapped the barometer<br />

Yet weather prediction occupies a large part of a <strong>Caribbean</strong> sailor’s attention<br />

— especially at this time of year.<br />

According to Wikipedia, it was not until the invention of the electric telegraph in<br />

1835 that the modern age of weather forecasting began. Before this time, it was not<br />

widely practicable to transport information about the current state of the weather<br />

any faster than a steam train (and the train also was a very new technology at that<br />

time). By the late 1840s, the telegraph allowed reports of weather conditions from a<br />

wide area to be received almost instantaneously, allowing forecasts to be made from<br />

knowledge of weather conditions farther upwind… In the United States, the first<br />

public radio forecasts were made in 1925 on WEEI, the Edison Electric Illuminating<br />

station in Boston. Television forecasts followed in Cincinnati in 1940 or 1947 on the<br />

DuMont Television Network. The Weather Channel is a 24-hour cable network that<br />

began broadcasting in 1982, and sailors have been known to cluster around<br />

<strong>Caribbean</strong> beach-bar TVs during hurricane season.<br />

The technology used to disseminate weather forecasts is continually evolving.<br />

Although it’s been a very long time since people tried seriously to predict the weather<br />

by examining onion skins or seeing whether or not the groundhog went back in<br />

his hole, it has also been a while since mariners routinely listened to good old WWV<br />

radio for marine storm warnings (Atlantic high seas warnings are still broadcast by<br />

WWV at eight and nine minutes after the hour on 2.5, 5, 10, 15 and 20 Mhz),<br />

because they no longer need WWV’s “time ticks” to ensure the timing accuracy of<br />

sextant sights. The use of once-popular weatherfax has, to a great extent, been<br />

replaced by GRIB (GRIdded Binary) files.<br />

Although SSB radio is still indispensable, today, with WiFi so widely available<br />

in the <strong>Caribbean</strong>, increasing numbers of sailors get their weather information<br />

from on-line sources. Here we present a selection that various <strong>Caribbean</strong> cruisers<br />

have recommended.<br />

<strong>Caribbean</strong> National, Regional and Island Weather Websites<br />

• Barbados Weather Radar: www.barbadosweather.org/<br />

barbados-weather-Radar-SABDriver.php<br />

• Cuba Met Institute: www.met.inf.cu (in Spanish)<br />

• Curaçao Met Department: www.meteo.an<br />

• Dominican Republic Met Office: www.onamet.gov.do (in Spanish)<br />

• French West Indies Weather: http://outremer.meteofrance.com (in French)<br />

• Martinique Weather Radar: www.meteo.fr/temps/domtom/antilles/pack-public/<br />

animation/animMOSAIC_ant.html (in French)<br />

• SXM Cyclone/St. Martin: www.sxmcyclone.com (in French)<br />

• Trinidad & Tobago Weather Radar: www.metoffice.gov.tt/radar<br />

• US National Weather Service (for USVI and Puerto Rico): www.srh.noaa.gov/sju<br />

International/General Weather Websites<br />

• Desperate Sailors: www.desperatesailors.com/page/weather/carib_sxm<br />

• NOAA’s Environmental Visualization Laboratory: www.nnvl.noaa.gov<br />

(great satellite images, animations and more visual storm stuff)<br />

• PassageWeather: http://passageweather.com (provides seven-day wind, wave<br />

and weather forecasts to help sailors with passage planning and weather routing)<br />

• Weather Underground: www.wunderground.com/hurricane<br />

Commercial Marine Weather Service Websites<br />

• Buoyweather: www.buoyweather.com<br />

(supplies free two-day forecasts in addition to paid-for custom forecasts)<br />

• Chris Parker’s Marine Weather center: www.mwxc.com (paid-for custom forecasts)<br />

• Crown Weather Services: www.crownweather.com (provides a good Tropical<br />

Weather page in addition to paid-for custom forecasts)<br />

Hurricane Information Websites<br />

• <strong>Caribbean</strong> Hurricane Network: www.stormcarib.com<br />

• US National Hurricane Center: www.nhc.noaa.gov<br />

In addition, surf forecasts (great for those “iffy” anchorages) are provided at<br />

http://magicseaweed.com — see the animated swell height and swell<br />

period charts.<br />

Finally, this site includes a list of many other <strong>Caribbean</strong> weather sources:<br />

www.tropicalwx.com<br />

Happy weather windows!

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