PPT-INFLUENCE OF HURRICANES ON NAVIGATION IN THE NORTH ATLANTIC

Nenad Leder Faculty of Maritime Studies Ruđera Boškovića 37 21000 Split Croatia nenadlederpfsthr Zvonimir Lušić Faculty of Maritime Studies Ruđera Boškovića 37 21000 Split Croatia. WHAT DO HURRICANES AND TORNADOES HAVE IN COMMON?. Low Pressure . Strong Winds . Hazardous to Life and Property . HOW DO THEY DIFFER?. Location . Size . Duration . Season of Occurrence . Distinctive Hazards. l. inking intra. -seasonal, inter-annual and longer time scales. Alessandra Giannini. , . Seyni. . Salack. , . Tiganadaba. . Lodoun. , . Abdou. . Ali. , . Amadou. . T Gaye and . Ousmane. . Ndiaye. WHAT DO HURRICANES AND TORNADOES HAVE IN COMMON?. Low Pressure . Strong Winds . Hazardous to Life and Property . HOW DO THEY DIFFER?. Location . Size . Duration . Season of Occurrence . Distinctive Hazards. Hurricanes. What is a hurricane?. A hurricane is a huge storm! It can be up to 600 miles across and have strong winds . increase . inward and upward at speeds of 75 to 200 mph. Each hurricane usually lasts for over a week, moving 10-20 miles per hour over the open ocean. Hurricanes gather heat and energy through contact with warm ocean waters. Evaporation from the seawater increases their power. Hurricanes rotate in a counter-clockwise direction around an . Progression of Tropical Events. Easterly Wave (Tropical Disturbance). Tropical Depression. Tropical Storm. Hurricane. 10-25%. 50-60%. Easterly Wave. Tropical Cyclones and Sea-Surface Temperatures. Geography of storm names. Atlantic . and eastern Pacific. : . “hurricanes” . Indian Ocean and Australia: . “cyclones”. Western Pacific, N. hemisphere: . “typhoons”. Western Pacific typhoons, 2011 . B039 OpSpec , NAT HLA B054 OpSpec , Oceanic/ Remote using S-LRNS OSWG Gordy Rother and Kevin Kelley November 4, 2015 North Atlantic (NAT) Minimum Navigation Performance Specification (MNPS) Changes Suzana J. Camargo,. Mingfang. Ting and . Yochanan. . Kushnir. LDEO, Columbia University. GloDecH. Meeting, OCP, LDEO, December 14, 2011.. Atlantic PDI . (power dissipation index ~. . V. 3. max. ) . North Atlantic Low Salt Marsh High Salt Marsh North Atlantic Low Salt Marsh Other Urban or Build-up Recreational Little Bluestem Old Field Overwash Dune Grassland Northeastern Old Field Maritime Rock Fact Sheet July 2016NATO Enlargement & Open DoorNATO’s “open door policy” is based on Article 10 of the Alliance’s founding document, the North Atlantic Treaty (1949). e Treat Kerry Emanuel. Lorenz Center. Department of Earth, Atmospheric, and Planetary Sciences, MIT. Program. Overview of hurricanes. Basic theory of hurricanes. What have hurricanes been like in the past, and how will they be affected by global warming?. reconstructions and tectonic implications. Randell . Stephenson et al.. A sub-crustal piercing point for North Atlantic . reconstructions and tectonic implications. Randell . Stephenson et al.. a . “tie” from one conjugate margin to . Tony . Doré. , Christian Schiffer, . R. . Foulger. , Dieter Franke, Laurent Geoffroy, Laurent . Gernigon. , Bob . Holdsworth. , Ken McCaffrey, Alex Peace, . Kenni. Petersen, Randell Stephenson, Kim Welford (and others?). cont. ). High/Positive phase: . the jet is shifted towards higher latitude, the polar vortex is intensified, and cold air is walled off in the polar vortex. . Low/Negative phase. , the vortex is weaker, the jet is shifted southward, and cold air outbreaks are more common.