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Published byAntony Parrish Modified over 9 years ago
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Explaining the extraordinary: operational oceanography in Australia David Griffin Madeleine Cahill, Jim Mansbridge
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“Yesterday’s news is today’s fish-and- chips wrapper” When something extraordinary happens, the number of people interested drops rapidly every day. In this talk, we’ll discuss how we’ve been satisfying the public demand for ocean information, using data sometimes a week old. Following talks pickup the thread of ocean forecasting The infant status of operational oceanography is demonstrated by how we dealt with the following cases
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20 deg in winter? Global warming?
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Zoom out a bit: WC unusual in Sept
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Just a localised anomaly, really. If not global warming, then what?
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#2: 15 deg in summer? Please explain
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No, its not cold currents from the south
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Its just cold water from 300m
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Coming up onto the shelf, and the beach
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But why? Watch this cyclone develop:
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14 Feb
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15 Feb
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16 Feb
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17 Feb
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18 Feb
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19 Feb
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20 Feb
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21 Feb
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22 Feb
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23 Feb
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23 Feb zoom in. Cold at Newcastle!
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Pan south Argo pr1
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Argo pr2
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Argo profile 1:
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Argo profile 2
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Also in February, two very strong (strongest since 1995?) upwellings occurred of SA-Vic. Explanation relatively simple, and Prediction of a third event proved correct
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Adelaide Advertiser:
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This has been running for 3yr now. Interest is growing, but: quality is decreasing, not increasing T/P: finished Oct 2005 Envisat: USO problem Feb-Jul 2006 GFO: batteries failing Aug 2006 - present Jason: 18d gap in Nov 2006. No more NRTSSHA
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How many altimeters does it take to adequately initialise a forecast?
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Thank you
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