Category Archives: Weather Wisdom

What does a “Gale Warning” mean?

Posted on October 29, 2018 by Fred Pickhardt

The National Weather Service has developed a multi-tier concept for forecasting hazardous weather which includes outlooks, watches, warnings and advisories.  Below are the visual day flag and nighttime light signals that warn of rough weather.  NOAA discontinued using the flags in … Continue reading →

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Predictability of Atlantic hurricanes

Posted on August 17, 2018 by Fred Pickhardt

By Judith Curry Cayman Financial Review  The 2017 Atlantic hurricane season was remarkable, including five landfalls of Category 5 storms in the Caribbean Basin, and three Category 4 strikes on the U.S. coastline. The 2017 landfalls cost hundreds of lives … Continue reading →

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North Atlantic Cooling will affect the Hurricane Season

Posted on June 1, 2018 by Fred Pickhardt

The main tropical development area for the North Atlantic continues to cool relative to recent averages suggesting a stronger than normal Bermuda-Azores ridge. When this high pressure ridge is stronger or displaced west, as it appears to be now, tropical storm … Continue reading →

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High Wind and Wave Events Crossing the Gulf Stream

Posted on February 27, 2018 by Fred Pickhardt

Crossing the Gulf Stream where ocean currents can exceed 2 knots takes some skill and if you try in under certain weather conditions, could be dangerous for any size vessel.  High wind and wave events can occur under certain conditions … Continue reading →

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What does a Small Craft Advisory mean?

Posted on February 18, 2018 by Fred Pickhardt

The National Weather Service has developed a multi-tier concept for forecasting hazardous weather which includes outlooks, watches, warnings and advisories. An outlook is issued to indicate that a hazardous weather or hydrologic event may occur over the next several days. … Continue reading →

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What is the risk of encountering a tropical storm or hurricane during your Caribbean cruise?

Posted on June 11, 2017 by Fred Pickhardt

                      Tropical cyclones are storms that originate over tropical and subtropical waters during the summer and fall seasons and are classified as follows: Tropical Depression:A tropical cyclone with maximum sustained … Continue reading →

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About Optimum Ship Routing

Posted on November 1, 2015 by Fred Pickhardt

A short history of weather routing The earliest form of ship routing may have been when early humans used the prevailing easterly winds to sail from island to island in the Pacific or when Arab traders sailed portions of the … Continue reading →

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Mariner’s Guide to Ocean Waves

Posted on October 29, 2015 by Fred Pickhardt

There are five types of ocean waves: 1. Wind generated 2. Tides 3. Seiches 4. Tsunamis 5. Pressure induced 1. Wind-Generated Wind-generated waves are the most common waves found on the ocean and are the result from stress on the … Continue reading →

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