gchange  > 影响、适应和脆弱性
DOI: 10.1016/j.atmosres.2018.10.002
Scopus ID: 2-s2.0-85054449575
Title:
Synoptic climatology and sea surface temperatures teleconnections for warm season heat waves in Saudi Arabia
Author: Alghamdi A.S.; Harrington J.; Jr
Source Publication: Atmospheric Research
ISSN: 1698095
Indexed By: SCI ; SCI-E ; EI
Publishing Year: 2019
Volume: 216
pages begin: 130
pages end: 140
Language: 英语
Keyword: Arabian heat low ; Heat waves ; Saudi Arabia ; SSTs ; Synoptic climatology ; Thermal lows
Scopus Keyword: Atmospheric temperature ; Sea level ; Submarine geophysics ; Surface properties ; Surface waters ; Heat low ; Heat waves ; Saudi Arabia ; SSTs ; Synoptic climatology ; Thermal lows ; Climatology
English Abstract: Little information is available about the synoptic weather patterns and physical factors contributing to the formation and intensity of heat waves (HWs) in Saudi Arabia. The research objectives were to identify the synoptic situations that are related to HW occurrence, to match different HW aspects (frequency and intensity) related to different circulation types, and to examine the possible links/associations between HW days and the sea surface temperature (SST) anomalies of closely associated water bodies (i.e., Mediterranean Sea, Black Sea, Caspian Sea, Arabian Gulf, Arabian Sea, and Red Sea). Using a time-sensitive approach, a HW was defined as a period of at least two consecutive days with a daily maximum temperature equal or higher than the 90th percentile of the monthly maximum and with a daily minimum temperature equal or higher than the 85th percentile of the monthly minimum for the decade in question. Using reanalysis data for 1985–2014, three weather/circulation types were identified using Ward's method for cluster determination. Together, weather types 1 and 3 induced 57.5% of HW days and connected with negative anomalies in sea level pressure with lower heights and warmer temperatures at the 850 hPa level. Weather type 2 induced 42.5% of HW days and was related to positive anomalies at all heights. Intensification of Indian Summer Monsoon Trough and Arabian heat lows were key atmospheric features related to weather types 1 and 3. Anomalies of SSTs of the Red Sea, Arabian Gulf, Caspian Sea, Black Sea, and Mediterranean Sea displayed positive values for both weather types 1 and 3. SSTs anomalies seem to be a more important factor for intensity of a HW day. HWs in Saudi Arabia tend to occur during regional warming due to atmospheric circulation conditions and SST teleconnections. © 2018 Elsevier B.V.
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Document Type: 期刊论文
Identifier: http://119.78.100.177/globalchange/handle/2HF3EXSE/109042
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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Affiliation: Department of Geography, King Saud University, P.O. BOX 2456, Riyadh, 11451, Saudi Arabia; Department of Geography, Kansas State University, 1002 Seaton Hall, Manhattan, KS 66506, United States

Recommended Citation:
Alghamdi A.S.,Harrington J.,Jr. Synoptic climatology and sea surface temperatures teleconnections for warm season heat waves in Saudi Arabia[J]. Atmospheric Research,2019-01-01,216
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