Impact of Weather Types on Weather Research and Forecasting Model Skill for Temperature and Precipitation Forecasting in Northwest Greece
The accuracy of the Weather Research and Forecasting (WRF) model’s predictions for air temperature and precipitation in northwestern Greece varies under different weather conditions. However, there is a lack of understanding regarding how well the model performs for specific Weather Types (WTs), esp...
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MDPI AG
2024-12-01
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| Series: | Atmosphere |
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| Online Access: | https://www.mdpi.com/2073-4433/15/12/1516 |
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| author | Dimitrios C. Chaskos Christos J. Lolis Vassiliki Kotroni Nikolaos Hatzianastassiou Aristides Bartzokas |
| author_facet | Dimitrios C. Chaskos Christos J. Lolis Vassiliki Kotroni Nikolaos Hatzianastassiou Aristides Bartzokas |
| author_sort | Dimitrios C. Chaskos |
| collection | DOAJ |
| description | The accuracy of the Weather Research and Forecasting (WRF) model’s predictions for air temperature and precipitation in northwestern Greece varies under different weather conditions. However, there is a lack of understanding regarding how well the model performs for specific Weather Types (WTs), especially in regions with a complex topography like NW Greece. This study evaluates the WRF model’s ability to predict 2 m air temperature and precipitation for 10 objectively defined WTs. Forecasts are validated against observations from the station network of the National Observatory of Athens, focusing on biases and skill variation across WTs. The results indicate that anticyclonic WTs lead to a significant overestimation of early morning air temperatures, especially for inland stations. The precipitation forecast skill varies depending on the threshold and characteristics of each WT, showing optimal results for WTs where precipitation is associated with a combination of depression activity, and orographic effects. These findings indicate the need for adjustments based on WT in operational forecasting systems for regions with similar topographical complexities. |
| format | Article |
| id | doaj-art-0cf0963d0dba4c2d8c663cb6c1c79817 |
| institution | Kabale University |
| issn | 2073-4433 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Atmosphere |
| spelling | doaj-art-0cf0963d0dba4c2d8c663cb6c1c798172024-12-27T14:10:00ZengMDPI AGAtmosphere2073-44332024-12-011512151610.3390/atmos15121516Impact of Weather Types on Weather Research and Forecasting Model Skill for Temperature and Precipitation Forecasting in Northwest GreeceDimitrios C. Chaskos0Christos J. Lolis1Vassiliki Kotroni2Nikolaos Hatzianastassiou3Aristides Bartzokas4Laboratory of Meteorology and Climatology, Department of Physics, University of Ioannina, 45110 Ioannina, GreeceLaboratory of Meteorology and Climatology, Department of Physics, University of Ioannina, 45110 Ioannina, GreeceInstitute of Environmental Research, National Observatory of Athens, 15236 Athens, GreeceLaboratory of Meteorology and Climatology, Department of Physics, University of Ioannina, 45110 Ioannina, GreeceLaboratory of Meteorology and Climatology, Department of Physics, University of Ioannina, 45110 Ioannina, GreeceThe accuracy of the Weather Research and Forecasting (WRF) model’s predictions for air temperature and precipitation in northwestern Greece varies under different weather conditions. However, there is a lack of understanding regarding how well the model performs for specific Weather Types (WTs), especially in regions with a complex topography like NW Greece. This study evaluates the WRF model’s ability to predict 2 m air temperature and precipitation for 10 objectively defined WTs. Forecasts are validated against observations from the station network of the National Observatory of Athens, focusing on biases and skill variation across WTs. The results indicate that anticyclonic WTs lead to a significant overestimation of early morning air temperatures, especially for inland stations. The precipitation forecast skill varies depending on the threshold and characteristics of each WT, showing optimal results for WTs where precipitation is associated with a combination of depression activity, and orographic effects. These findings indicate the need for adjustments based on WT in operational forecasting systems for regions with similar topographical complexities.https://www.mdpi.com/2073-4433/15/12/1516WRF evaluationair temperatureprecipitationweather types |
| spellingShingle | Dimitrios C. Chaskos Christos J. Lolis Vassiliki Kotroni Nikolaos Hatzianastassiou Aristides Bartzokas Impact of Weather Types on Weather Research and Forecasting Model Skill for Temperature and Precipitation Forecasting in Northwest Greece Atmosphere WRF evaluation air temperature precipitation weather types |
| title | Impact of Weather Types on Weather Research and Forecasting Model Skill for Temperature and Precipitation Forecasting in Northwest Greece |
| title_full | Impact of Weather Types on Weather Research and Forecasting Model Skill for Temperature and Precipitation Forecasting in Northwest Greece |
| title_fullStr | Impact of Weather Types on Weather Research and Forecasting Model Skill for Temperature and Precipitation Forecasting in Northwest Greece |
| title_full_unstemmed | Impact of Weather Types on Weather Research and Forecasting Model Skill for Temperature and Precipitation Forecasting in Northwest Greece |
| title_short | Impact of Weather Types on Weather Research and Forecasting Model Skill for Temperature and Precipitation Forecasting in Northwest Greece |
| title_sort | impact of weather types on weather research and forecasting model skill for temperature and precipitation forecasting in northwest greece |
| topic | WRF evaluation air temperature precipitation weather types |
| url | https://www.mdpi.com/2073-4433/15/12/1516 |
| work_keys_str_mv | AT dimitrioscchaskos impactofweathertypesonweatherresearchandforecastingmodelskillfortemperatureandprecipitationforecastinginnorthwestgreece AT christosjlolis impactofweathertypesonweatherresearchandforecastingmodelskillfortemperatureandprecipitationforecastinginnorthwestgreece AT vassilikikotroni impactofweathertypesonweatherresearchandforecastingmodelskillfortemperatureandprecipitationforecastinginnorthwestgreece AT nikolaoshatzianastassiou impactofweathertypesonweatherresearchandforecastingmodelskillfortemperatureandprecipitationforecastinginnorthwestgreece AT aristidesbartzokas impactofweathertypesonweatherresearchandforecastingmodelskillfortemperatureandprecipitationforecastinginnorthwestgreece |