Extreme point rainfall temporal scaling: a long term (1805–2014) regional and seasonal analysis in Spain

González, Sergi; Bech, Joan

doi:10.1002/joc.5144

Cited by 34 publications

(30 citation statements)

References 45 publications

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“…The geographical configuration of the IP, the Balearic and the Canary Islands produces great variations in the spatial distribution of any climatic event and especially of precipitation. Furthermore, the spatial patterns of the extreme precipitation also vary depending on the temporal resolution of the original data (Gonzalez and Bech, ). Many previous works characterized their trends based on a few stations, but comparing their results with those based on high‐resolution data set the difference is clear because the use of a higher number of stations allows to show the local variations and a more reliable temporal evolution of any climatic variable.…”

Section: Discussionsupporting

confidence: 77%

“…Precipitation in Spain is characterized by a great spatial variability caused by its orographic configuration, its latitudinal position between the Atlantic Ocean and the Mediterranean Sea and local factors as orientation or altitude (De Luis et al, ). High‐intensity precipitation events are relatively frequent, especially in the eastern side of the Iberian Peninsula (IP) and the Balearic Islands (Romero et al, ; Domínguez‐Castro et al, ; Monjo et al, ; Gonzalez and Bech, ), mostly related to convective atmospheric conditions that are able to discharge great amounts of precipitation in a few days or even hours (Martin‐Vide, ; Meseguer‐Ruiz et al, ). Conversely, the western side of the IP has a more regular inter‐annual pluviometric regime (De Luis et al, ), but the extreme events in this area related to the Atlantic cyclonic conditions can also lead to heavy environmental risks (Rasilla Álvarez and García Codron, ; Fernández‐Montes et al, ; Garmendia Pedraja et al, ).…”

Section: Introductionmentioning

confidence: 99%

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Recent trends reveal decreasing intensity of daily precipitation in Spain

Serrano‐Notivoli

Beguería

Saz

et al. 2018

Intl Journal of Climatology

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A comprehensive analysis of the spatial and temporal variability of daily precipitation in Spain in the period 1950-2012 was carried out based on the high-resolution gridded data set SPREAD at a 5 × 5 km spatial resolution. Temporal trends of 12 daily precipitation indices were computed by application of the Sen's slope and the Mann-Kendall tests. The spatial distribution of the trends showed (a) a global slight increase in the duration of the precipitation events, especially along the Mediterranean fringe; (b) an increase of the frequency of low precipitation events and a decrease of the frequency of high and very high events (inverse in the Mediterranean coast); and (c) a slight decrease of the intensity when considering single events (1-or 5-day duration), but a significant negative trend in mean and median precipitation when considering all the precipitation days (p > 0), especially in the Mediterranean coast.

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Section: Discussionsupporting

confidence: 77%

Section: Introductionmentioning

confidence: 99%

Recent trends reveal decreasing intensity of daily precipitation in Spain

Serrano‐Notivoli

Beguería

Saz

et al. 2018

Intl Journal of Climatology

View full text Add to dashboard Cite

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“…Then, they replace each value with its correspondent percentile and consider an extreme event as a day exceeding 85 percentile. Gonzalez and Bech () consider the maximum amount registered in one meteorological station for temporal periods spanning from 10 min to 2 years. Liebmann et al () and Carvalho et al () define an extreme event when the precipitation at one station represents the 20% of the seasonal climatological rainfall in that station.…”

Section: Methodsmentioning

confidence: 99%

Dynamics of extreme rainfall events in summer in southern Uruguay

Ungerovich

Barreiro

2019

Intl Journal of Climatology

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We investigate the characteristics of extreme rainfall events in southern Uruguay during the summer season. The focus of this work is to understand the dynamics of these events. Therefore, we define the southern area with a clustering analysis of the meteorological stations. Then, we divide the events into three classes, considering the principal components of the 2m temperature. For each class, we calculate composites of atmospheric variables. We find three basic dynamics that can be associated to extreme events. The first group is characterized by atmospheric instability and a cold front that triggers the event. The second group is associated with deep convection that was initiated in central Argentina. The third group is represented by an intense surface low pressure in Uruguay that is favoured by the 200 hPa circulation. The results are in good agreement with the previous studies.

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“…() and Bouin et al . (), the last two dealing with an extreme event that holds the all‐time record in Spain for 4, 5 and 6 h rainfall amounts (216 mm, 248 mm and 275 mm) as reported by Gonzalez and Bech ().…”

Section: Introductionmentioning

confidence: 92%

Coastally trapped disturbances caused by the tramontane wind on the northwestern Mediterranean: numerical study and sensitivity to short‐wave radiation

González

Callado

Werner

et al. 2018

Quart J Royal Meteoro Soc

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The Tramontane-Cierzo wind system is a recurrent feature of the northwestern Mediterranean basin in front of the Catalan coast (northeast Spain). Associated with this feature, northeast wind surges occasionally affect the coast and become a weather hazard for low-level aircraft operations, affecting for example the Barcelona international airport. This article first reports these surges characterizing them as Coastal-Trapped Disturbances (CTDs). Climatological features are described, showing that CTDs occur frequently during the warm season and between the afternoon and the evening. We classified CTDs into two synoptic patterns related to the location of a mid-level tropospheric geopotential trough and the Iberian Peninsula: pattern A, with the trough crossing eastwards along the north of Spain; and pattern B, with the trough over the Mediterranean, after crossing the Iberian Peninsula. To study the CTDs in detail, numerical simulations were conducted using the non-hydrostatic and convection-permitting numerical weather prediction model HARMONIE-AROME. Two cases, one for each synoptic pattern, were studied showing that CTDs generate in the discontinuity between cool outflows and warmer air progressing southward as a density current, trapped by the mountain ranges parallel to the coastline. Cool outflows may have two different sources: in Pattern A the origin of the cold air is the tramontane itself, while in Pattern B convective outflows associated with storm downdraughts play this role. Both cases show similarities with CTDs studied on the California coast, showing an antitriptic and ageostrophic flow behind the CTD. An additional numerical sensitivity experiment was conducted by varying the short-wave radiation to explore the effects of diabatic warming on CTDs. It is demonstrated that a large warming influences CTDs by enhancing the potential temperature gradient between the density current and the environment, modulating their intensity and speed.

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Extreme point rainfall temporal scaling: a long term (1805–2014) regional and seasonal analysis in Spain

Cited by 34 publications

References 45 publications

Recent trends reveal decreasing intensity of daily precipitation in Spain

Recent trends reveal decreasing intensity of daily precipitation in Spain

Dynamics of extreme rainfall events in summer in southern Uruguay

Coastally trapped disturbances caused by the tramontane wind on the northwestern Mediterranean: numerical study and sensitivity to short‐wave radiation

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