Year 2018, Volume , Issue 13, Pages 1 - 12 2018-08-31

İstanbul’da 8-9 Eylül 2009’da Meydana Gelen Aşırı Yağışın HARMONIE, HIRLAM ve WRF-ARW ile Simülasyonu
Simulating Heavy Precipitation with HARMONIE, HIRLAM and WRF-ARW: A Flash Flood Case Study in İstanbul, Turkey

Hüseyin Toros [1] , Abdullah Kahraman [2] , Seyda Tilev-Tanriover [3] , Gertie Geertsema [4] , Gerard Cats [5]

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Türkiye'nin kuzeybatısında farklı yerlere birkaç saat içinde büyük miktarda yağış meydana gelmiştir. Sinoptik duruma bakıldığında Akdeniz üzerinde bir kaç günlük tipik bir sonbahar konvektif durum görülmektedir. Bu çalışmada, 8–9 Eylül 2009 tarihlerinde meydana gelen aşırı yağışın üç farklı sayısal hava modeli (HARMONIE, Yüksek Çözünürlük Sınırlı Alan Modeli (HIRLAM) ve WRF) kullanarak tahmin yeteneklerini değerllendirmektedir. Her bir model yağış tahminleri bölgedeki 28 yağış gözlemleriyle karşılaştırılmıştır. Sel felaketine sebep olan bu tehlikeli durumu farklı sayısal hava tahmin modelleri ile derinlemesine incelemek önemlidir. Hidrometeorolojik olay olan aşırı yağış ve ani selin tahmini özellikle çok kalabalık bölgelerde çok zordur. Ani seller yağış süre ve miktarı, topografya yer yürüzü kullanımı gibi çeşitli faktörlere bağlıdır. Tüm modeller İstanbul batısı baz alınarak çalıştırılmıştır. Her üç modelde bölgede yoğun yağış tahmin etmektedir, ancak, en yoğun yağış alanlarının yerleri onlarca kilometer uzaklıktadır. Modeller, aşırı yağışların sinyallerini iyi tahmin etmektedir, ancak maksimumların konumları, gözlenen yerlere göre farklıdır.

A big amount of precipitation was recorded in a few hours over different places in northwest Turkey. The synoptic situation covers a couple of days in a typical convective situation in autumn over the Mediterranean. The paper discusses the ability of three different NWP models (HARMONIE, High Resolution Limited Area Model (HIRLAM) and WRF) to forecast a heavy precipitation event that occurred on 8–9 September 2009. The precipitation forecast for each model is compared against rainfall observations from 28 meteorological stations in the region. This event was a destructive flood, and for that reason, it is important to study in depth the skill of different NWP models in such hazardous cases. Flash flood is a hydro meteorological phenomenon, and its forecast is a very difficult task, especially in very populated areas. Flash floods depend on several factors; the outstanding one, of course, is the amount of precipitation, but also the rate of precipitation, topography, etc. All models are performed on domains centred on the Thracian region (north-western Turkey). All three models forecast heavy rainfall in the area; however, the locations of the most intense rainfall are off by several tens of kilometres. The models forecast good signals of heavy precipitation, but locations of the forecasted maxima are shifted with respect to the observed locations.

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Primary Language en
Subjects Engineering
Journal Section Makaleler
Authors

Author: Hüseyin Toros (Primary Author)
Institution: Istanbul Technical University, Faculty of Aeronautics and Astronautics, Department of Meteorological Engineering, Istanbul, Turkey
Country: Turkey


Author: Abdullah Kahraman
Institution: Ondokuz Mayis University, Faculty of Aeronautics and Astronautics, Department of Meteorological Engineering
Country: Turkey


Author: Seyda Tilev-Tanriover
Institution: Abu Dhabi Polytechnic, Meteorology Department
Country: United Arab Emirates


Author: Gertie Geertsema
Institution: Royal Netherlands Meteorological Institute

Author: Gerard Cats

Bibtex @research article { ejosat417535, journal = {Avrupa Bilim ve Teknoloji Dergisi}, issn = {}, eissn = {2148-2683}, address = {Osman Sağdıç}, year = {2018}, volume = {}, pages = {1 - 12}, doi = {10.31590/ejosat.417535}, title = {Simulating Heavy Precipitation with HARMONIE, HIRLAM and WRF-ARW: A Flash Flood Case Study in İstanbul, Turkey}, key = {cite}, author = {Toros, Hüseyin and Kahraman, Abdullah and Tilev-Tanriover, Seyda and Geertsema, Gertie and Cats, Gerard} }
APA Toros, H , Kahraman, A , Tilev-Tanriover, S , Geertsema, G , Cats, G . (2018). Simulating Heavy Precipitation with HARMONIE, HIRLAM and WRF-ARW: A Flash Flood Case Study in İstanbul, Turkey. Avrupa Bilim ve Teknoloji Dergisi, (13), 1-12. DOI: 10.31590/ejosat.417535
MLA Toros, H , Kahraman, A , Tilev-Tanriover, S , Geertsema, G , Cats, G . "Simulating Heavy Precipitation with HARMONIE, HIRLAM and WRF-ARW: A Flash Flood Case Study in İstanbul, Turkey". Avrupa Bilim ve Teknoloji Dergisi (2018): 1-12 <http://dergipark.gov.tr/ejosat/issue/38980/417535>
Chicago Toros, H , Kahraman, A , Tilev-Tanriover, S , Geertsema, G , Cats, G . "Simulating Heavy Precipitation with HARMONIE, HIRLAM and WRF-ARW: A Flash Flood Case Study in İstanbul, Turkey". Avrupa Bilim ve Teknoloji Dergisi (2018): 1-12
RIS TY - JOUR T1 - Simulating Heavy Precipitation with HARMONIE, HIRLAM and WRF-ARW: A Flash Flood Case Study in İstanbul, Turkey AU - Hüseyin Toros , Abdullah Kahraman , Seyda Tilev-Tanriover , Gertie Geertsema , Gerard Cats Y1 - 2018 PY - 2018 N1 - doi: 10.31590/ejosat.417535 DO - 10.31590/ejosat.417535 T2 - Avrupa Bilim ve Teknoloji Dergisi JF - Journal JO - JOR SP - 1 EP - 12 VL - IS - 13 SN - -2148-2683 M3 - doi: 10.31590/ejosat.417535 UR - https://doi.org/10.31590/ejosat.417535 Y2 - 2018 ER -
EndNote %0 European Journal of Science and Technology Simulating Heavy Precipitation with HARMONIE, HIRLAM and WRF-ARW: A Flash Flood Case Study in İstanbul, Turkey %A Hüseyin Toros , Abdullah Kahraman , Seyda Tilev-Tanriover , Gertie Geertsema , Gerard Cats %T Simulating Heavy Precipitation with HARMONIE, HIRLAM and WRF-ARW: A Flash Flood Case Study in İstanbul, Turkey %D 2018 %J Avrupa Bilim ve Teknoloji Dergisi %P -2148-2683 %V %N 13 %R doi: 10.31590/ejosat.417535 %U 10.31590/ejosat.417535
ISNAD Toros, Hüseyin , Kahraman, Abdullah , Tilev-Tanriover, Seyda , Geertsema, Gertie , Cats, Gerard . "Simulating Heavy Precipitation with HARMONIE, HIRLAM and WRF-ARW: A Flash Flood Case Study in İstanbul, Turkey". Avrupa Bilim ve Teknoloji Dergisi / 13 (August 2018): 1-12. https://doi.org/10.31590/ejosat.417535