Real-Time Analysis of Local Wind Patterns for Application to Nuclear-Emergency Response

Thuillier, Richard H.

doi:10.1175/1520-0477(1987)068<1111:rtaolw>2.0.co;2

Cited by 13 publications

(9 citation statements)

References 1 publication

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“…The first special data source is a three-station network operated by PG&E in support of their Diablo Canyon nuclear power plant (Thuillier 1987). These stations consist of a 10-m tower located at Pt.…”

Section: Satellite Imagery and Meteorologicalmentioning

confidence: 99%

An Unusual Aerial Photograph of an Eddy Circulation in Marine Stratocumulus Clouds

Muller

Herbster

Mosher

2015

Monthly Weather Review

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An aerial photograph of a cyclonic, von Kármán-like vortex in the marine stratocumulus clouds off the California coast, taken by a commercial pilot near Grover Beach, is presented. It is believed that this is the first photograph of such an eddy, taken from an airplane, to appear in publication.The eddy occurred with a strong inversion above a shallow marine boundary layer, in the lee of high, inversion-penetrating terrain. Tower and surface wind measurements plotted on satellite imagery demonstrate that the Grover Beach eddy was not just a cloud-level feature, but extended through the marine atmospheric boundary layer (MABL) to the surface. Evolution of the flow during the formation of the eddy appears similar to idealized numerical simulations of blocked MABL flow from the literature. The tower measurements sampled the northern part of the eddy circulation during its formation just offshore. The 28-38C temperature increases and then decreases during and after the eddy passage may be indicative of warmer air, from sheltered locations to the southeast, and/or downslope flow, being advected by and included into the eddy circulation. Satellite data compared with sequences of wind reversals at two different levels of the meteorological tower suggest that the eddy is tilted with height, at least during its formation stage. Formation mechanisms are discussed, but the subsynoptic observations are inadequate to resolve basic questions about the flow; ultimately a high-resolution model simulation is needed.

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Section: Satellite Imagery and Meteorologicalmentioning

confidence: 99%

An Unusual Aerial Photograph of an Eddy Circulation in Marine Stratocumulus Clouds

Muller

Herbster

Mosher

2015

Monthly Weather Review

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“…The network includes seven sites operated by Pacific Gas and Electric Company (PG&E) for emergency response at DCNPP; 15 six sites operated by the San Luis Obispo County Air Pollution Control District (APCD) and five additional airport, buoy, and lighthouse sites. This network was supplemented by aircraft temperature soundings at five additional sites.…”

Section: Meteorological Measurementsmentioning

confidence: 99%

Evaluation of a Puff Dispersion Model in Complex Terrain

Thuillier¹

1992

Journal of the Air & Waste Management Association

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“…A rise in storm-related monetary losses for Europe in the course of the 20th century has been observed by Barredo [3], explained principally by changes in economic and demographic conditions, with much of the recent infrastructure in various parts of the world increasingly constructed in zones at risk from severe weather [2]. Therefore, the knowledge of atmospheric circulation patterns, particularly the one dealing with atmospheric patterns conducive to risky meteorological situations related to extreme wind events, is especially important for wind energy applications [4][5][6]. Forecasters, energy producers and grid operators have different views on what extremes related to wind generation are.…”

Section: Introductionmentioning

confidence: 99%

Spanish Extreme Winds and Their Relationships with Atlantic Large-Scale Atmospheric Patterns

Pascual

Valero

Martín

et al. 2013

AJCC

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The purpose of this work is to review procedures to obtain relationships between wind and large-scale atmospheric fields, with special emphasis on extreme situation results. Such relationships are obtained by using different methods and techniques such as wind cumulative probability functions and composite maps. The analyses showed different mean atmospheric situations associated with the different wind patterns, in which strong atmospheric gradients can be related to moderate to strong winds in Spain. Additionally, a statistical downscaling analog model, developed by the authors, is used for diagnosing large-scale atmospheric circulation patterns and subsequently estimating extreme wind probabilities. From an atmospheric circulation pattern set obtained by multivariate methodology applied to a large-scale atmospheric circulation field, estimations of wind fields, particularly extreme winds, are obtained by means of the analogs methodology. Deterministic and probabilistic results show that gust behaviour is quite better approximated than mean wind speed, in general. The model presents some underestimations except for strong winds. Moreover, the model shows better probabilistic wind results over the Spanish northern area, highlighting that the atmospheric situations coming from the Atlantic Ocean are better recovered to predict mean wind and gusts in the Northern Peninsula.

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Real-Time Analysis of Local Wind Patterns for Application to Nuclear-Emergency Response

Cited by 13 publications

References 1 publication

An Unusual Aerial Photograph of an Eddy Circulation in Marine Stratocumulus Clouds

An Unusual Aerial Photograph of an Eddy Circulation in Marine Stratocumulus Clouds

Evaluation of a Puff Dispersion Model in Complex Terrain

Spanish Extreme Winds and Their Relationships with Atlantic Large-Scale Atmospheric Patterns

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