<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0187-6236</journal-id>
<journal-title><![CDATA[Atmósfera]]></journal-title>
<abbrev-journal-title><![CDATA[Atmósfera]]></abbrev-journal-title>
<issn>0187-6236</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-62362022000400633</article-id>
<article-id pub-id-type="doi">10.20937/atm.52937</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Stratospheric temperature features over Saudi Arabia and their relationship to Atlantic SSTs and surface temperatures in winter]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hasanean]]></surname>
<given-names><![CDATA[H. M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Labban]]></surname>
<given-names><![CDATA[Abdulhaleem H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,King Abdulaziz University Department of Meteorology ]]></institution>
<addr-line><![CDATA[Jeddah ]]></addr-line>
<country>Saudi Arabia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>35</volume>
<numero>4</numero>
<fpage>633</fpage>
<lpage>650</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-62362022000400633&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-62362022000400633&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-62362022000400633&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Stratospheric temperature is an important climatic factor regionally and globally. This paper investigates temperature trends in the lower stratosphere at 50 hPa (T50), the mid-stratosphere at 30 hPa (T30), and the upper stratosphere at 10 hPa (T10), as well as their impacts on Atlantic Ocean sea surface temperature (SST) and Saudi Arabian surface air temperature (SAT) during the entire winter seasons of 1979-2019. The results show significant cooling for the T50 linear trend, progressive cooling for the T30 linear trend, and cooling for the T10 linear trend during the study period over Saudi Arabia. The results also indicate a significant nonlinear cooling trend for stratospheric temperature at T50 and T30, while a weak cooling at T10 is observed. Abrupt climatic changes towards warmth exist at all three levels of stratospheric temperature, which occur in 1992 for T50 and T30 and in 1983 for T10. These abrupt climate changes may be related to volcanic eruptions. Our results also indicate that a strong negative relationship exists between T50 and the SST of the tropical South Atlantic (TSA) and the Atlantic Multi-Decadal Oscillation (AMO), while T30 indicates a statistically negative relationship with the AMO. The lead-lag cross-correlation suggests that the SST of the Atlantic Ocean (tropical North Atlantic [TNA], TSA, and AMO) are linked to stratospheric temperatures at three lead winters. As a result of the teleconnection between SAT and stratospheric temperature over Saudi Arabia, the coupling of these two features occurs in winter, especially in the lower to mid-stratosphere layers.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La temperatura estratosférica es un factor climático importante a nivel regional y mundial. Este artículo investiga las tendencias de temperatura en la estratosfera inferior a 50 hPa (T50), la estratosfera media a 30 hPa (T30) y la estratosfera superior a 10 hPa (T10), así como sus impactos en la temperatura superficial en el océano (SST, por sus siglas en inglés) Atlántico y la temperatura superficial del aire (SAT) en Arabia Saudita durante la temporada de invierno de 1979 a 2019. Los resultados muestran un enfriamiento significativo en la tendencia lineal de T50, un enfriamiento progresivo en la tendencia lineal de T30 y un enfriamiento en la tendencia lineal de T10 durante el periodo de estudio en Arabia Saudita. Los resultados también indican una tendencia de enfriamiento no lineal significativa en la temperatura estratosférica de T50 y T30, así como un enfriamiento débil en T10. Existen cambios climáticos abruptos tendientes al aumento de la temperatura para T50 y T30 en 1992, y para T10 en 1983, los cuales pudieran estar relacionados con erupciones volcánicas. Los resultados del estudio también indican que existe una fuerte relación negativa entre T50 y las SST del Atlántico tropical del sur (TSA) con la oscilación atlántica multidecenal (AMO), en tanto que se observa una relación estadísticamente negativa con la AMO. La correlación cruzada entre adelanto y retraso sugiere que las TSM del Atlántico (Atlántico tropical del norte [TNA], TSA y AMO) están vinculadas con temperaturas estratosféricas en tres inviernos adelantados. Como resultado de la teleconexión entre el SAT y la temperatura estratosférica sobre Arabia Saudita, el acoplamiento del SAT y la temperatura estratosférica se produce en invierno, especialmente en las capas baja y media de la estratosfera.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Sea surface temperature]]></kwd>
<kwd lng="en"><![CDATA[Atlantic Ocean]]></kwd>
<kwd lng="en"><![CDATA[Surface temperature]]></kwd>
<kwd lng="en"><![CDATA[Saudi Arabia]]></kwd>
<kwd lng="en"><![CDATA[ArabiaIndices]]></kwd>
<kwd lng="en"><![CDATA[Teleconnection]]></kwd>
</kwd-group>
</article-meta>
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