Extreme all-direction wave conditions and joint probabilities of high waves and high water levels are derived at selected locations in the southern Arabian Gulf. The wave conditions are obtained using the spectral wave model SWAN with wind and offshore wave information procured from ocean weather, supplemented with local water level records. Wave transformations from offshore to nearshore and w...

Wind has become increasingly important as a source of energy although the generation of wind energy is quite erratic because of its changeable nature. For a given location, wind speed and direction change over time and at different heights. Previous studies have discovered different pattern of wind profiles, however an improved understanding of its spatial, temporal and variation in heights is ...

Wind speed analyses are currently being employed in several fields, especially in wind power generation. In this study, we used wind speed data from records of Universal Fuess anemographs at an altitude of 10 m from 47 weather stations of the National Institute of Meteorology (Instituto Nacional de Meteorologia-INMET) from January 1986 to December 2011. The objective of the study was to investi...

Hanley et al. (2010, hereafter HBS) present a global climatology of wind–wave interaction based on the inverse wave age (U10 cosu)/cp, where U10 is the wind speed at a height of 10 m, cp is the phase speed of the waves at the spectral peak, and u is the angle between the wind and the direction of propagation of the dominant waves. Their paper examines the extent to which the local wave field is...

Aerosol signatures observed by ceilometers are frequently used to derive mixing-layer height (MLH) which is an essential variable for air quality modelling. However, Doppler wind lidar measurements of vertical velocity can provide a more direct estimation of MLH via simple thresholding. A case study reveals difficulties in the aerosol-based MLH retrieval during transition times when the mixing ...

BACKGROUND How accurately do people perceive extreme wind speeds and how does that perception affect the perceived risk? Prior research on human-wind interaction has focused on comfort levels in urban settings or knock-down thresholds. No systematic experimental research has attempted to assess people's ability to estimate extreme wind speeds and perceptions of their associated risks. METHOD ...

'Ihree upward looking acoustic Doppler current profilers (ADCP) were deployed beneath meteorological buoys in the Gulf of Tehuantepec. Mexico. during winter 1988-1989. Hourly averaged wind speed data from the buoys and from ship when in the vicinity were compared with surface acoustic backscatter intensity recorded at the ADCPs. The backscatter was found to be a significant predictor of wind sp...

In the second part of this work we study the day-to-day variability of the marine atmospheric boundary layer (MBL) over the subtropical southeast Pacific using primarily results from a numerical simulation that covered the whole VOCALS-REx period (October–November 2008). In situ and satellite-derived observations of the MBL height in the offshore region indicate rapid, significant variations (f...

Near-simultaneous multi-angle imagery from the Multi-angle Imaging SpectroRadiometer (MISR) forms the basis of a unique method able to simultaneously retrieve cloud motion and height from a polar orbiter platform. The method is fully automated and determines the characteristic horizontal wind for a mesoscale domain of 70.4×70.4 km. Provided the co-registration of the multiangle views is accurat...