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Changes in extreme temperature and precipitation in the Arab region: long‐term trends and variability related to ENSO and NAO

Donat, M. G., Peterson, T. C., Brunet, M., King, A. D., Almazroui, M., Kolli, R. K., Boucherf, Djamel, Al‐Mulla, Anwar Yousuf, Nour, Abdourahman Youssouf, Aly, Ahmed Attia, Nada, Tamer Ali Ali, Semawi, Muhammad M., Al Dashti, Hasan Abdullah, Salhab, Tarek G., El Fadli, Khalid I., Muftah, Mohamed K., Dah Eida, Sidaty, Badi, Wafae, Driouech, Fatima, El Rhaz, Khalid, Abubaker, Mohammed J. Y., Ghulam, Ayman S., Erayah, Amani Sanhouri, Mansour, Maher Ben, Alabdouli, Waleed O., Al Dhanhani, Jemie Salem, Al Shekaili, Majed N.·2014·International Journal of Climatology

Abstract

A workshop was held in Casablanca, Morocco, in March 2012, to enhance knowledge of climate extremes and their changes in the Arab region. This workshop initiated intensive data compilation activities of daily observational weather station data from the Arab region. After conducting careful control processes to ensure the quality and homogeneity of the data, climate indices for extreme temperatures and precipitation were calculated. This study examines the temporal changes in climate extremes in the Arab region with regard to long‐term trends and natural variability related to ENSO and NAO. We find consistent warming trends since the middle of the 20th Century across the region. This is evident in the increased frequencies of warm days and warm nights, higher extreme temperature values, fewer cold days and cold nights and shorter cold spell durations. The warming trends seem to be particularly strong since the early 1970s. Changes in precipitation are generally less consistent and characterised by a higher spatial and temporal variability; the trends are generally less significant. However, in the western part of the Arab region, there is a tendency towards wetter conditions. In contrast, in the eastern part, there are more drying trends, although, these are of low significance. We also find some relationships between climate extremes in the Arab region and certain prominent modes of variability, in particular El Niño‐Southern Oscillation (ENSO) and North Atlantic Oscillation (NAO). The relationships of the climate extremes with NAO are stronger, in general, than those with ENSO, and are particularly strong in the western part of the Arab region (closer to the Atlantic Ocean). The relationships with ENSO are found to be more significant towards the eastern part of the area of study. © 2013 Royal Meteorological Society

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Authors
Donat, M. G., Peterson, T. C., Brunet, M., King, A. D., Almazroui, M., Kolli, R. K., Boucherf, D., Al‐Mulla, A. Y., Nour, A. Y., Aly, A. A., Nada, T. A. A., Semawi, M. M., Al Dashti, H. A., Salhab, T. G., El Fadli, K. I., Muftah, M. K., Dah Eida, S., Badi, W., Driouech, F., El Rhaz, K., Abubaker, M. J. Y., Ghulam, A. S., Erayah, A. S., Mansour, M. B., Alabdouli, W. O., Al Dhanhani, J. S., & Al Shekaili, M. N.
Venue
International Journal of Climatology
Publisher
Wiley
Published
2013-05-06
Volume
34
Issue
3
Pages
581-592
ISSN
  • 0899-8418 (ISSN-L)
  • 1097-0088
OpenAlex
W2096685903
Cited by
391
References
25
FWCI
16.62
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Changes in extreme temperature and precipitation in the Arab region: long‐term trends and variability related to ENSO and NAO. https://app.cochat.ai/papers/10.1002/joc.3707
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Donat, M. G., Peterson, T. C., Brunet, M., King, A. D., Almazroui, M., Kolli, R. K., Boucherf, D., Al‐Mulla, A. Y., Nour, A. Y., Aly, A. A., Nada, T. A. A., Semawi, M. M., Al Dashti, H. A., Salhab, T. G., El Fadli, K. I., Muftah, M. K., Dah Eida, S., Badi, W., Driouech, F., . . . Al Shekaili, M. N. (2014). Changes in extreme temperature and precipitation in the Arab region: long‐term trends and variability related to ENSO and NAO. International Journal of Climatology. https://doi.org/10.1002/joc.3707

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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