Sensitivity of Local Numerical Weather Prediction Models

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Meteorology".

Deadline for manuscript submissions: closed (6 February 2024) | Viewed by 1072

Special Issue Editor


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Guest Editor
Hellenic National Meteorological Service, GR16777 Athens, Greece
Interests: numerical weather prediction; weather forecasting; atmospheric physics

Special Issue Information

Dear Colleagues,

The operation of Local Numerical Weather Prediction (NWP) Models has become a widespread activity regarding the support of weather forecasting. This endeavor is carried out using a broad spectrum of sources ranging from International Organizations and Regional Meteorological Services to Academic Institutes and Companies, even to the enthusiastic aspirant in the area of meteorology with modest computing resources available. However, in addition to the complexities of installing NWP Models to the many different computer architectures as well as data assimilation issues, such an undertaking is quite challenging regarding the proper choice of the many internal parameter values for the NWP Models to have the optimum performance. A significant step towards this direction is to estimate the sensitivity of the various NWP Models in reference to a variety of parameters related to its many physical constituents (e.g., turbulence, convection, land‒sea properties, grid-scale microphysics, or cloud cover) on a comparative basis. The Special Issue invites contributions that gauge the sensitivity of Local NWP Models for the community of atmospheric sciences to obtain important and operationally useful insights on which parameters display the greatest effect over a variety of domains and weather situations. It is expected that these works will provide a significant resource over a wide framework of relevant methodologies. Additionally, it will motivate and guide researchers, developers, and end users in general to improve the model performance either heuristically or systematically by adopting the available optimization techniques.

Dr. Euripides N. Avgoustoglou
Guest Editor

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Keywords

  • computer simulation
  • model parameters
  • sensitivity
  • optimization
  • numerical schemes
  • resolution
  • convection
  • extreme weather events

Published Papers (1 paper)

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Research

17 pages, 1283 KiB  
Article
Towards a Model of Snow Accretion for Autonomous Vehicles
by Mateus Carvalho, Sadegh Moradi, Farimah Hosseinnouri, Kiran Keshavan, Eric Villeneuve, Ismail Gultepe, John Komar, Martin Agelin-Chaab and Horia Hangan
Atmosphere 2024, 15(5), 548; https://doi.org/10.3390/atmos15050548 - 29 Apr 2024
Viewed by 568
Abstract
Snow accumulation on surfaces exposed to adverse weather conditions has been studied over the years due to a variety of problems observed in different industry sectors, such as aeronautics and wind and civil engineering. With the growing interest in autonomous vehicles (AVs), this [...] Read more.
Snow accumulation on surfaces exposed to adverse weather conditions has been studied over the years due to a variety of problems observed in different industry sectors, such as aeronautics and wind and civil engineering. With the growing interest in autonomous vehicles (AVs), this concern extends to advanced driver-assistance systems (ADAS). Weather stressors, such as snow and icing, negatively influence the sensor functionality of AVs, and their autonomy is not guaranteed by manufacturers during episodes of intense weather precipitation. As a basis for mitigating the negative effects caused by heavy snowfall, models need to be developed to predict snow accumulation over critical surfaces of AVs. The present work proposes a framework for the study of snow accumulation on road vehicles. Existing icing and snow accretion models are reviewed, and adaptations for automotive applications are discussed. Based on the new capabilities developed by the Weather on Wheels (WoW) program at Ontario Tech University, a model architecture is proposed in order to progress toward adequate snow accretion predictions for autonomous vehicle operating conditions, and preliminary results are presented. Full article
(This article belongs to the Special Issue Sensitivity of Local Numerical Weather Prediction Models)
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