Tag Archives: Weather Wisdom

Ship and Yacht Weather Routing Services

Ocean weather routing (Optimum ship routing) provides for a “best route” for ocean transits based on the existing weather forecasts, ship characteristics, ocean currents and special cargo requirements. Continue reading

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Florida West Coast Hurricanes 

September and October are the two months when the Florida West Coast is most at risk of encountering a landfalling hurricane.  Continue reading

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Gulf of Tehuantepec Gales

The onset of winter brings frequent cold outbreaks across the central and eastern US that can often result in sudden gale to storm force winds over the Gulf of Tehuantepec. The northerly winds that funnel through gaps in the Sierra Madre Mountains and spill out over the Gulf of Tehuantepec and out over the eastern North Pacific. Continue reading

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Tampa Bay Hurricane Storm Surge Scenarios

While no storm scenario is a good one for the Tampa Bay area, the worst case is when the hurricane center is located north of the Tampa Bay entrance such that the maximum winds associated with the eye wall occur at the mouth of the bay with storms making landfall farther north result in lower surges. Continue reading

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What is a Storm Surge?

Storm Surge is the abnormal sea level elevations (or depressions) caused by winds and atmospheric pressure. The components are: 1. Coastal set up (down) by the along shore wind stress.  In deep water, the Earth’s rotation causes a water to … Continue reading

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Tropical Cyclone Wind Speed probability graphic

In addition to the familiar National Hurricane Center’s (NHC) hurricane track forecast with it’s iconic cone, the NHC also produces a wind speed probabilities graphic. Continue reading

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Hurricane Storm Surges in Tampa Bay

The highest storm surges in Tampa Bay are usually associated with hurricanes, with the three highest tides occurring during Cat 3 storms in 1848, 1921 and 1985. Hurricane Elena in late August of 1985 caused the highest storm surge recorded … Continue reading

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Use of the 500 mb Chart at Sea

The 500mb forecast chart is an excellent tool for mariners to estimate where to anticipate the heaviest sea and swell conditions as well as a guide to the expected surface storm tracks and intensities.  The closer the height contours on … Continue reading

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What does a “Gale Warning” mean?

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

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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