Daily Rainfall Patterns During Storm “Daniel” Based on Different Satellite Data

Extreme rainfall from a long-lived weather system called storm “Daniel” occurred from 4th to 11th September 2023 over the central and eastern Mediterranean, leading to many devastating flood events mainly in central Greece and the western coastal parts of Libya. This study analyzes the daily rainfal...

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Main Authors: Stavros Kolios, Niki Papavasileiou
Format: Article
Language:English
Published: MDPI AG 2024-10-01
Series:Atmosphere
Subjects:
Online Access:https://www.mdpi.com/2073-4433/15/11/1277
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author Stavros Kolios
Niki Papavasileiou
author_facet Stavros Kolios
Niki Papavasileiou
author_sort Stavros Kolios
collection DOAJ
description Extreme rainfall from a long-lived weather system called storm “Daniel” occurred from 4th to 11th September 2023 over the central and eastern Mediterranean, leading to many devastating flood events mainly in central Greece and the western coastal parts of Libya. This study analyzes the daily rainfall amounts over all the affected geographical areas during storm “Daniel” by comparing three different satellite-based rainfall data products. Two of them are strictly related to Meteosat multispectral imagery, while the other one is based on the Global Precipitation Measurement (GPM) satellite mission. The satellite datasets depict extreme daily rainfall (up to 450 mm) for consecutive days in the same areas, with the spatial distribution of such rainfall amounts covering thousands of square kilometers almost during the whole period that the storm lasted. Moreover, the spatial extent of the heavy rainfall patterns was calculated on a daily basis. The convective nature of the rainfall, which was also recorded, characterizes the extremity of this weather system. Finally, the intercomparison of the datasets used highlights the satisfactory efficiency of the examined satellite datasets in capturing similar rainfall amounts in the same areas (daily mean error of 15 mm, mean absolute error of up to 35 mm and correlation coefficient ranging from 0.6 to 0.9 in most of the examined cases). This finding confirms the realistic detection and monitoring of the different satellite-based rainfall products, which should be used for early warning and decision-making regarding potential flood events.
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spelling doaj-art-0e9aa4afb6514536a6fb35b7ab61c8c22025-08-20T02:26:54ZengMDPI AGAtmosphere2073-44332024-10-011511127710.3390/atmos15111277Daily Rainfall Patterns During Storm “Daniel” Based on Different Satellite DataStavros Kolios0Niki Papavasileiou1Department of Aerospace Science and Technology, Faculty of Sciences, National Kapodistrian University of Athens (NKUA), 34400 Psachna, GreeceDepartment of Aerospace Science and Technology, Faculty of Sciences, National Kapodistrian University of Athens (NKUA), 34400 Psachna, GreeceExtreme rainfall from a long-lived weather system called storm “Daniel” occurred from 4th to 11th September 2023 over the central and eastern Mediterranean, leading to many devastating flood events mainly in central Greece and the western coastal parts of Libya. This study analyzes the daily rainfall amounts over all the affected geographical areas during storm “Daniel” by comparing three different satellite-based rainfall data products. Two of them are strictly related to Meteosat multispectral imagery, while the other one is based on the Global Precipitation Measurement (GPM) satellite mission. The satellite datasets depict extreme daily rainfall (up to 450 mm) for consecutive days in the same areas, with the spatial distribution of such rainfall amounts covering thousands of square kilometers almost during the whole period that the storm lasted. Moreover, the spatial extent of the heavy rainfall patterns was calculated on a daily basis. The convective nature of the rainfall, which was also recorded, characterizes the extremity of this weather system. Finally, the intercomparison of the datasets used highlights the satisfactory efficiency of the examined satellite datasets in capturing similar rainfall amounts in the same areas (daily mean error of 15 mm, mean absolute error of up to 35 mm and correlation coefficient ranging from 0.6 to 0.9 in most of the examined cases). This finding confirms the realistic detection and monitoring of the different satellite-based rainfall products, which should be used for early warning and decision-making regarding potential flood events.https://www.mdpi.com/2073-4433/15/11/1277Meteosathydrology satellite application facilitiesstorm Danielsatellite-based rainfall dataGPM
spellingShingle Stavros Kolios
Niki Papavasileiou
Daily Rainfall Patterns During Storm “Daniel” Based on Different Satellite Data
Atmosphere
Meteosat
hydrology satellite application facilities
storm Daniel
satellite-based rainfall data
GPM
title Daily Rainfall Patterns During Storm “Daniel” Based on Different Satellite Data
title_full Daily Rainfall Patterns During Storm “Daniel” Based on Different Satellite Data
title_fullStr Daily Rainfall Patterns During Storm “Daniel” Based on Different Satellite Data
title_full_unstemmed Daily Rainfall Patterns During Storm “Daniel” Based on Different Satellite Data
title_short Daily Rainfall Patterns During Storm “Daniel” Based on Different Satellite Data
title_sort daily rainfall patterns during storm daniel based on different satellite data
topic Meteosat
hydrology satellite application facilities
storm Daniel
satellite-based rainfall data
GPM
url https://www.mdpi.com/2073-4433/15/11/1277
work_keys_str_mv AT stavroskolios dailyrainfallpatternsduringstormdanielbasedondifferentsatellitedata
AT nikipapavasileiou dailyrainfallpatternsduringstormdanielbasedondifferentsatellitedata