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INFLUENCE OF SHADING AND SKY-VIEW FACTOR ON ROAD TEMPERATURE FORECAST
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SYSNO ASEP 0497881 Document Type C - Proceedings Paper (int. conf.) R&D Document Type O - Ostatní Title INFLUENCE OF SHADING AND SKY-VIEW FACTOR ON ROAD TEMPERATURE FORECAST Author(s) Sedlák, Pavel (UFA-U) RID, ORCID
Bližňák, Vojtěch (UFA-U) RID, ORCID
Pešice, Petr (UFA-U) RID, ORCID
Pop, Lukáš (UFA-U) RID, ORCID
Sokol, Zbyněk (UFA-U) RID, ORCID
Zacharov, Petr, jr. (UFA-U) RID, ORCIDNumber of authors 6 Source Title Proceedings of the 19th SIRWEC conference. - Washington : AASHTO, 2018 Number of pages 3 s. Publication form Online - E Action SIRWEC2018 Internation Road Weather Conference /19./ Event date 29.05.2018 - 01.06.2018 VEvent location Smolenice Country SK - Slovakia Event type WRD Language eng - English Country US - United States Keywords road weather forecasting ; shading ; direct shortwave radiation ; sky view restriction ; ICEWARN project Subject RIV DG - Athmosphere Sciences, Meteorology OECD category Meteorology and atmospheric sciences Institutional support UFA-U - RVO:68378289 Annotation Within the ICEWARN project, the Institute of Atmospheric Physics of CAS, Prague, and the Czech
Hydrometeorological Institute currently collaborate in developing and application of the FORTE model for a
linearly continuous road weather forecast in the city of Prague (1). The model stems from the METRo model (2),
the initial modifications being described in (3). The ensemble method (4) is not applied in the current project
ICEWARN. In cities, the impact of obstacles on the modification of radiation fluxes, and consequently on the
road temperature, is of a particular importance. The modification includes shading the direct shortwave
radiation and the sky view restriction. Our present contribution is focused on implementing and testing a
parametrization of these effects in the FORTE model.
When evaluating the model results for a winter period as a whole, shading effects were found for none of the
locations of road weather stations (RWS) in Prague. That was why we decided to test the model against the RWS
in the NW part of the Czech Republic.Workplace Institute of Atmospheric Physics Contact Kateřina Adamovičová, adamovicova@ufa.cas.cz, Tel.: 272 016 012 ; Kateřina Potužníková, kaca@ufa.cas.cz, Tel.: 272 016 019 Year of Publishing 2019
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