Results 91 to 100 of about 125 (108)
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Unexpected High Winds in Northern New Jersey: A Downslope Windstorm in Modest Topography
Weather and Forecasting, 2011Abstract This study presents the first evidence for the occurrence of a downslope windstorm in New Jersey. During the early morning hours of 4 January 2009, an unanticipated strong wind event was observed. Despite a zone forecast calling for winds less than 4 m s−1 issued 4 h prior to the event, winds up to 23 m s−1 were reported at High
Steven G. Decker, David A. Robinson
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Gravity waves induced by a downslope windstorm in modest terrain: a case study
Quarterly Journal of the Royal Meteorological SocietyAbstractThis study examines a typical episode of a downslope windstorm known as “Vento Norte” (VNOR; “North Wind” in Portuguese) in the state of Rio Grande do Sul, Brazil. The temporal and spatial evolution of the VNOR episode is analyzed by means of sonic anemometer data collected at 10 vertical levels on a 30 m tower, two automated weather stations ...
Michel Stefanello +7 more
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Special Issue on Characteristics of Downslope Windstorms for Engineering Applications
Wind and structures, 2017Activities in the field of wind engineering include social and economic impacts of wind effects, wind characteristics, local wind environments, wind loads and structural response, diffusion, pollutant dispersion and matter transport, wind effects on building heat loss and ventilation, wind effects on transport systems, wind power generation, and ...
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2017
The eastern Adriatic coast, roughly N Mediterranean, is well known for Bora wind - a gusty downslope windstorm which typically blows from the NE quadrant with sustained wind speeds between 5-20 ms^-1, its gusts surpassing 50-70 ms^-1 in the lee of the coastal mountains.
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The eastern Adriatic coast, roughly N Mediterranean, is well known for Bora wind - a gusty downslope windstorm which typically blows from the NE quadrant with sustained wind speeds between 5-20 ms^-1, its gusts surpassing 50-70 ms^-1 in the lee of the coastal mountains.
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A Severe Downslope Windstorm and Aircraft Turbulence Event Induced by a Mountain Wave
Journal of the Atmospheric Sciences, 1978Abstract A detailed analysis is presented of the large-scale, mesoscale and turbulent-scale features of a major downslope windstorm event in central Colorado on 11 January 1972. The storm is found to be associated with a moderate amplitude baroclinic disturbance moving across the northwestern United States within an intense zonal current.
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Multiscale simulations of bora downslope windstorm events
2019Bora events over the eastern Adriatic coast are well known for exceptional spatial and temporal wind variability. Such a wind climate is a challenge for wind studies which require knowledge of wind conditions in a relatively small area (e.g. 10 km x 10 km).
Horvath, Kristian, Kosović, Branko
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Downslope Windstorms. Part I: Effect of Air Density Decrease with Height
Journal of the Atmospheric Sciences, 1991Abstract In 1985 Smith published a solution of a nonlinear, steady-state, two-dimensional, mesoscale problem concerning airflow crossing a mountain ridge. He used his solution to explain the mechanism of severe downslope winds. In particular, Smith considered the 11 January 1972 windstorm in Boulder, when an undisturbed flow approaching the ridge ...
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Model representation of a downslope windstorm in north-west Iceland
2023The role of turbulent exchange of heat and moisture in the lee of mountains is not well understood, and these processes are generally not resolved or parametrised in numerical weather prediction (NWP) models. High resolution Met Office Unified Model (MetUM) simulations are run and compared to in-situ observations from 12th and 19th March 2018 over ...
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Analysis and predictability of the 1 December 2011 Wasatch downslope windstorm
2014A downslope windstorm on 1 December 2011 led to considerable damage along a narrow 50-km swath at the western base of the Wasatch Mountains in northern Utah. Operational forecasts issued by the Salt Lake City National Weather Service Forecast Office provided accurate guidance for the event at lead times of 1-2 days, based in part on their locally ...
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