Incorporation of tropical cyclone avoidance into automated ship scheduling

View/ Open
Author
Lantz, Stephen W.
Date
2014-06Advisor
DeGrange, Walter
Second Reader
Regnier, Eva
Metadata
Show full item recordAbstract
The U.S. Navy’s Combat Logistics Force (CLF) provides at-sea resupply to U.S. and allied vessels throughout the world. The CLF scheduling system anticipates demand and schedules 45 days in advance to meet that demand. Tropical cyclones (TCs) frequently disrupt these plans, requiring diversions and inefficient steaming speeds. We evaluate the impact of adding anticipated TC positions in an operational planning tool called the Replenishment At Sea Planner. Various scenarios are used to test the impact of different geographic representations of the TC obstacle in CLF operational planning. Open-ocean scenarios explore TC impact in ocean crossings, with no limitations caused by land masses, while near-shore scenarios examine the pinching effect of TC landfall. Shorter distances are traveled by CLF ships in the scenarios when the TC obstacle is forecasted, but the present position is excluded. The recommended TC representation is the 24-hour advanced position, with no extended duration. This representation produces the shortest total travel distances for both the open-ocean and near-shore scenarios.
Description
Approved for public release; distribution is unlimited
Collections
Related items
Showing items related by title, author, creator and subject.
-
Creative use of scenarios
Tritten, James John (Monterey, California. Naval Postgraduate School, 1987-04); NPS-56-87-001Surprise and the Single Scenarios' is the title of an article by Sir James Cable. The essence of his thesis is that the United Kingdom should not prepare its military with just one contingency in mind. Related theses have ... -
An eddy kinetic energy view of physical and dynamical processes in distinct forecast scenarios for the extratropical transition of two tropical cyclones
Keller, Julia H.; Jones, Sarah C.; Harr, Patrick A. (American Meteorological Society, 2014-08);The extratropical transition (ET) of Hurricane Hanna (2008) and Typhoon Choi-Wan (2009) caused a variety of forecast scenarios in the European Centre for Medium-Range Weather Forecasts (ECMWF) Ensemble Prediction System ... -
Environmental impact on the Northern Persian Gulf: a mine drift and chemical spill study centered on Iraq's oil terminals using Navy's ocean-atmospheric physical and chemical models
Williams, Charles L. (Monterey, California. Naval Postgraduate School, 2007-03);An attack on, or chemical spill near, Iraq's oil terminals could have disastrous effects on Iraq's economy. The impacts from a drifting mine or chemical spill are highly dependent on environmental conditions that can ...