Search Results - "Johnson, Nathaniel C."

How Many ENSO Flavors Can We Distinguish? by Johnson, Nathaniel C.

“…It is now widely recognized that El Niño–Southern Oscillation (ENSO) occurs in more than one form, with the canonical eastern Pacific (EP) and more recently…”
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Influence of high-latitude atmospheric circulation changes on summertime Arctic sea ice by Ding, Qinghua, Schweiger, Axel, L’Heureux, Michelle, Battisti, David S., Po-Chedley, Stephen, Johnson, Nathaniel C., Blanchard-Wrigglesworth, Eduardo, Harnos, Kirstin, Zhang, Qin, Eastman, Ryan, Steig, Eric J.

“…The Arctic has seen rapid sea-ice decline in the past three decades, whilst warming at about twice the global average rate. Yet the relationship between Arctic…”
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Increasing occurrence of cold and warm extremes during the recent global warming slowdown by Johnson, Nathaniel C., Xie, Shang-Ping, Kosaka, Yu, Li, Xichen

“…The recent levelling of global mean temperatures after the late 1990s, the so-called global warming hiatus or slowdown, ignited a surge of scientific interest…”
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Contribution of changes in atmospheric circulation patterns to extreme temperature trends by Horton, Daniel E., Johnson, Nathaniel C., Singh, Deepti, Swain, Daniel L., Rajaratnam, Bala, Diffenbaugh, Noah S.

“…This study identifies statistically significant trends in mid-atmospheric circulation patterns that partially explain observed changes in extreme temperature…”
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Changes in the sea surface temperature threshold for tropical convection by Johnson, Nathaniel C, Xie, Shang-Ping

“…Deep convection over tropical oceans is observed generally above a threshold for sea surface temperatures, which falls in the vicinity of 26-28 °C…”
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Towards predictive understanding of regional climate change by Xie, Shang-Ping, Deser, Clara, Vecchi, Gabriel A., Collins, Matthew, Delworth, Thomas L., Hall, Alex, Hawkins, Ed, Johnson, Nathaniel C., Cassou, Christophe, Giannini, Alessandra, Watanabe, Masahiro

“…This Review considers recent advances in our understanding of regional climate change, critically discusses outstanding issues, and recommends targets for…”
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The impact of eastern equatorial Pacific convection on the diversity of boreal winter El Niño teleconnection patterns by Johnson, Nathaniel C., Kosaka, Yu

“…It is widely recognized that no two El Niño episodes are the same; hence the predictable variations of the climate impacts associated with El Niño remain an…”
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The driving of North American climate extremes by North Pacific stationary-transient wave interference by Park, Mingyu, Johnson, Nathaniel C., Delworth, Thomas L.

“…Wave interference between transient waves and climatological stationary waves is a useful framework for diagnosing the magnitude of stationary waves. Here, we…”
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Fingerprints of internal drivers of Arctic sea ice loss in observations and model simulations by Ding, Qinghua, Schweiger, Axel, L’Heureux, Michelle, Steig, Eric J., Battisti, David S., Johnson, Nathaniel C., Blanchard-Wrigglesworth, Eduardo, Po-Chedley, Stephen, Zhang, Qin, Harnos, Kirstin, Bushuk, Mitchell, Markle, Bradley, Baxter, Ian

“…The relative contribution and physical drivers of internal variability in recent Arctic sea ice loss remain open questions, leaving up for debate whether…”
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Observed three‐dimensional structure of ocean cooling induced by Pacific tropical cyclones by Wang, Guihua, Wu, Lingwei, Johnson, Nathaniel C., Ling, Zheng

“…Sea surface cooling along tropical cyclone (TC) tracks has been well observed, but a complete understanding of the full three‐dimensional structure of upper…”
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Evolution and Prediction of Two Extremely Strong Atlantic Niños in 2019–2021: Impact of Benguela Warming by Li, Xiaofan, Tan, Wei, Hu, Zeng‐Zhen, Johnson, Nathaniel C.

“…As El Niño's little brother in the equatorial Atlantic Ocean, Atlantic Niño affects the climate variability in the tropical Atlantic Ocean and the vicinity. In…”
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The Continuum of North Pacific Sea Level Pressure Patterns: Intraseasonal, Interannual, and Interdecadal Variability by Johnson, Nathaniel C., Feldstein, Steven B.

“…This study combinesk-means cluster analysis with linear unidimensional scaling to illustrate the spatial and temporal variability of the wintertime North…”
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Windows of Opportunity for Skillful Forecasts Subseasonal to Seasonal and Beyond by Mariotti, Annarita, Baggett, Cory, Barnes, Elizabeth A., Becker, Emily, Butler, Amy, Collins, Dan C., Dirmeyer, Paul A., Ferranti, Laura, Johnson, Nathaniel C., Jones, Jeanine, Kirtman, Ben P., Lang, Andrea L., Molod, Andrea, Newman, Matthew, Robertson, Andrew W., Schubert, Siegfried, Waliser, Duane E., Albers, John

“…There is high demand and a growing expectation for predictions of environmental conditions that go beyond 0–14-day weather forecasts with outlooks extending to…”
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Unveiling the Indian Ocean forcing on winter eastern warming – western cooling pattern over North America by Hou, Yurong, Xie, Shang-Ping, Johnson, Nathaniel C., Wang, Chunzai, Yoo, Changhyun, Deng, Kaiqiang, Sun, Weijun, Li, Xichen

“…While the tropical Pacific teleconnection to North America has been studied extensively, the impact of the Indian Ocean on North American climate has received…”
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Tropical cyclone sensitivities to CO2 doubling: roles of atmospheric resolution, synoptic variability and background climate changes by Vecchi, Gabriel A., Delworth, Thomas L., Murakami, Hiroyuki, Underwood, Seth D., Wittenberg, Andrew T., Zeng, Fanrong, Zhang, Wei, Baldwin, Jane W., Bhatia, Kieran T., Cooke, William, He, Jie, Kapnick, Sarah B., Knutson, Thomas R., Villarini, Gabriele, van der Wiel, Karin, Anderson, Whit, Balaji, V., Chen, Jan–Huey, Dixon, Keith W., Gudgel, Rich, Harris, Lucas M., Jia, Liwei, Johnson, Nathaniel C., Lin, Shian-Jiann, Liu, Maofeng, Ng, Ching Ho Justin, Rosati, Anthony, Smith, James A., Yang, Xiaosong

“…Responses of tropical cyclones (TCs) to CO 2 doubling are explored using coupled global climate models (GCMs) with increasingly refined atmospheric/land…”
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Multi‐Time Scale Variations in Atlantic Niño and a Relative Atlantic Niño Index by Tan, Wei, Liu, Yunyun, Li, Xiaofan, Johnson, Nathaniel C., Hu, Zeng‐Zhen

“…Atlantic Niño is a leading mode of climate variability in the tropical Atlantic Ocean with important regional impacts. Tropical Atlantic sea surface…”
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Cold Springs Over Mid‐Latitude North America Induced by Tropical Atlantic Warming by Hou, Yurong, Johnson, Nathaniel C., Chang, Chueh‐Hsin, Sun, Weijun, Man, Kai, Miao, Yujie, Li, Xichen

“…In recent decades, severe cold winters and springs have frequently occurred over mid‐latitude North America, despite the anthropogenic global warming trend. In…”
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On the future zonal contrasts of equatorial Pacific climate: Perspectives from Observations, Simulations, and Theories by Lee, Sukyoung, L’Heureux, Michelle, Wittenberg, Andrew T., Seager, Richard, O’Gorman, Paul A., Johnson, Nathaniel C.

“…Changes in the zonal gradients of sea surface temperature (SST) across the equatorial Pacific have major consequences for global climate. Therefore, accurate…”
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The impact of the MJO on clusters of wintertime circulation anomalies over the North American region by Riddle, Emily E., Stoner, Marshall B., Johnson, Nathaniel C., L’Heureux, Michelle L., Collins, Dan C., Feldstein, Steven B.

“…Recent studies have shown that the Madden–Julian Oscillation (MJO) impacts the leading modes of intraseasonal variability in the northern hemisphere…”
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Seasonal Prediction and Predictability of Regional Antarctic Sea Ice by Bushuk, Mitchell, Winton, Michael, Haumann, F. Alexander, Delworth, Thomas, Lu, Feiyu, Zhang, Yongfei, Jia, Liwei, Zhang, Liping, Cooke, William, Harrison, Matthew, Hurlin, Bill, Johnson, Nathaniel C., Kapnick, Sarah B., McHugh, Colleen, Murakami, Hiroyuki, Rosati, Anthony, Tseng, Kai-Chih, Wittenberg, Andrew T., Yang, Xiaosong, Zeng, Fanrong

“…Compared to the Arctic, seasonal predictions of Antarctic sea ice have received relatively little attention. In this work, we utilize three coupled dynamical…”
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