Extreme Events
Date
2019Author
Lengaigne, M.
Feng, M.
Neetu, S.
Barbary, D.
Ramsay, H.A.
Vialard, J.
Walsh, K.
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Extreme Events such as Tropical cyclones, Marine heat waves (MHW) etc has to be accurately observed. TC intensification is influenced by SST and upper ocean stratification, while MHWs are influenced by air-sea flux and boundary current variability. Therefore, to better monitor, understand, and predict these extreme events requires accurate observations of: (1) Heat and momentum fluxes, sea level pressure, sea-level, and waves, both in regions of cyclogenesis and along cyclone tracks, at hourly resolution. (2) In situ measurements of SST and upper-ocean (0-200m) temperature, salinity, and velocity (hourly) in the contrasting TC prone regions, BoB and southern extra-tropical IO. (3) Temperature and velocity in the Leeuwin Current. (4) Upper ocean temperature, salinity, velocity, and turbulence, as well as air-sea fluxes in the MHW hotspots, such as off the tropical coast of northwest Australia and in the southwest tropical IO. Actionable recommendations are listed.
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