Possible connection between summer tropical cyclone frequency and spring Arctic Oscillation over East Asia

Choi, Ki-Seon; Wu, Chun‐Chieh; Byun, Hi-Ryong

doi:10.1007/s00382-011-1088-z

Cited by 36 publications

(23 citation statements)

References 36 publications

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“…Lim and Schubert (2011) revealed that both winter mean temperature anomalies and the number of days of extreme cold in the southeastern United States are closely linked to variations in AO especially in the recent past . Choi et al (2012) showed that the frequency of summer tropical cyclones in Japan, Korea, and Taiwan in the middle latitudes of East Asia, has a positive correlation with AO occurring during the preceding spring, while summer tropical cyclone frequency in the Philippines, located in the low latitudes, has a negative correlation with the AO of the preceding spring. Park et al (2011) studied changes in the characteristics of cold surges over East Asia associated with the AO and found that the blocking type of cold surge tends to occur during negative AO periods.…”

Section: Correlations With Aa and Aao Indicesmentioning

confidence: 99%

HIRS channel 12 brightness temperature dataset and its correlations with major climate indices

2013

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A new version of the High-Resolution Infrared Radiation Sounder (HIRS) upper tropospheric water vapor channel (channel 12) brightness temperature dataset is developed using intersatellite calibrated data. In this dataset, only those pixels affected by upper tropospheric clouds are discarded. Compared to the previous version that was based on column-clear-sky data, the new version has much better daily spatial coverage. The HIRS observation patterns are compared to microwave sounder measurements. The differences between the two types of sounders vary with respect to brightness temperature with larger differences for higher (dry) values. Correlations between the HIRS upper tropospheric water vapor channel brightness temperatures and several major climate indices show strong signals during cold seasons. The selected climate indices track climate variation signals covering regions from the tropics to the poles. Qualitatively, moist signals are correlated with troughs and ascending branches of the circulation, while dry signals occur with ridges and descent. These correlations show the potential of using the upper tropospheric water vapor channel brightness temperature dataset together with a suite of many atmospheric variables to monitor regional climate changes and locate global teleconnection patterns

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Section: Correlations With Aa and Aao Indicesmentioning

confidence: 99%

HIRS channel 12 brightness temperature dataset and its correlations with major climate indices

2013

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“…Although sprung from the polar regions, more and more studies have indicated that the AO and AAO can affect climate variability in remote, subtropical regions (e.g. Wang and Fan, 2005;Choi et al, 2012); it would be reasonable to have these two indices in the list. To account for possible transoceanic interactions addressed by some studies (Hong et al, 2014b), the NAO index, referred to as the meridional seesaw of the SLP field with the northern and southern centres near Iceland and the Azores, respectively, is also included.…”

Section: Streamflow Data Teleconnection Indices and Other Data Setsmentioning

confidence: 99%

“…Wang et al, 2000;Yang et al, 2002;Wang and Fan, 2005;Choi et al, 2012) have investigated the various effects of teleconnection patterns on East Asian regions. The main motivation for our work thus comprises two primary objectives:…”

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confidence: 99%

Variations in the correlation between teleconnections and Taiwan's streamflow

Chen

Lee

2017

Hydrol. Earth Syst. Sci.

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Abstract. Interannual variations in catchment streamflow represent an integrated response to anomalies in regional moisture transport and atmospheric circulations and are ultimately linked to large-scale climate oscillations. This study conducts correlation analysis to calculate how summertime (July–September, JAS) streamflow data derived at 28 upstream and 13 downstream gauges in Taiwan correlate with 14 teleconnection indices in the current or preceding seasons. We find that the western Pacific (WP) and Pacific–Japan (PJ) patterns, both of which play a critical role in determining cyclonic activity in the western North Pacific basin, exhibit the highest concurrent correlations (most significant r = 0. 50) with the JAS flows in Taiwan. Alternatively, the Quasi-Biennial Oscillation (QBO) averaged over the period from the previous October to June of the current year is significantly correlated with the JAS flows (most significant r = −0. 66), indicating some forecasting utility. By further examining the correlation results using a 20-year moving window, peculiar temporal variations and possible climate regime shifts (CRSs) can be revealed. A CRS test is employed to identify suspicious and abrupt changes in the correlation. The late 1970s and 1990s are identified as two significant change points. During the intermediate period, Taiwan's streamflow and the PJ index exhibit a marked in-phase relationship (r > 0. 8). It is verified that the two shifts are in concordance with the alteration of large-scale circulations in the Pacific basin by investigating the changes in pattern correlation and composite maps before and after the change point. Our results suggest that empirical forecasting techniques should take into account the effect of CRSs on predictor screening.

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“…A number of studies have reported that the AO could exert a significant impact on climate anomalies over the NH extratropics (e.g. Gong et al, 2001;Gong and Ho, 2002;Wu and Wang, 2002;Gong and Ho, 2003;Chen et al, 2005;Jeong and Ho, 2005;Wu et al, 2006;Chen and Li, 2007;Gong et al, 2011;Yang, 2011;Park et al, 2011;Cheung et al, 2012;Choi et al, 2012;Kim and Ahn, 2012;Woo et al, 2012;Chen et al, 2013aChen et al, , 2013dChoi et al, 2013). For example, Jeong and Ho (2005) showed that the frequency of the wintertime cold surge occurrence over East Asia is relatively higher during the negative AO phase than * Correspondence to: W. Chen, Center for Monsoon System Research, Institute of Atmospheric Physics Chinese Academy of Sciences, Beijing 100190, China.…”

Section: Introductionmentioning

confidence: 96%

“…Gong et al (2011) reported that springtime AO could exert influences on the following East Asian summer monsoon variability via modulating the summer western North Pacific subtropical high. Choi et al (2012) found that spring AO can impact the frequency of the following summer tropical cyclones over middle latitudes of East Asia through modulating large-scale atmospheric circulation.…”

Section: Introductionmentioning

confidence: 98%

Influence of the November Arctic Oscillation on the subsequent tropical Pacific sea surface temperature

Chen

et al. 2015

Intl Journal of Climatology

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Previous studies suggested that the variability of boreal spring Arctic Oscillation (AO) can exert a significant influence on the sea surface temperature (SST) anomalies in the Niño-3.4 region during the following winter. This study further reveals that AO in November can have a pronounced influence on the tropical central-eastern Pacific SST anomalies during the following spring and summer. When the November AO is in its positive (negative) phase, SST anomalies tend to be positive (negative) during the following spring and summer in the tropical central-eastern Pacific. The influence of the AO is accomplished by atmospheric circulation anomalies over the subtropical North Pacific through an interaction between the synoptic-scale eddy and the low-frequency mean flow. In the positive November AO years, pronounced cyclonic circulation and atmospheric heating anomalies are observed over the subtropical North Pacific. The atmospheric heating anomalies sustain westerly wind anomalies over the tropical western North Pacific through a Gill-like atmospheric response. The westerly wind anomalies extend eastward subsequently through positive air-sea feedback mechanism, and result in SST warming during the following spring and summer in the tropical central-eastern Pacific. Results of this study imply that the November AO index can be used as an effective predictor of SST anomalies in the Niño-3.4 region during the following spring and summer.

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Possible connection between summer tropical cyclone frequency and spring Arctic Oscillation over East Asia

Cited by 36 publications

References 36 publications

HIRS channel 12 brightness temperature dataset and its correlations with major climate indices

HIRS channel 12 brightness temperature dataset and its correlations with major climate indices

Variations in the correlation between teleconnections and Taiwan's streamflow

Influence of the November Arctic Oscillation on the subsequent tropical Pacific sea surface temperature

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