Subseasonal

variability

What is subseasonal variability?

(Image from NAS Report) Schematic illustration of time series depicting variations in an arbitrary quantity relevant to weather/climate, showing variations typical of weather (blue), subseasonal variability (green), and seasonal variability (red) over a 6-month period starting from t=0. The line colors and spectrum of colors from which they are drawn are meant to illustrate the continuum of phenomena/processes across these indicated timescales (i.e., frequencies) with notable peaks in the spectrum highlighting a subset of the continuum that typically are found to be sources of predictability.

Selected Publications:

  • Son, R., P.-L. Ma, H. Wang, P. J. Rasch, S.-Y. Wang, H. Kim, J.-H. Jeong, K.-S. Lim, J.-H. Yoon, 2022: Machine Learning provides substantial improvements to county-level fire weather forecasting over the western United States. Journal of Advances in Modeling Earth Systems, DOI: 10.1029/2022MS002995 (PDF)


  • Wang, S.-Y., H. Kim, D. Coumou, J.-H. Yoon, L. Zhao, and R. R. Gillies, 2019: Consecutive extreme flooding and heat wave in Japan: Are they becoming a norm? Atmospheric Science Letters, DOI:10.1002/asl.933 (PDF).


  • Lin, Y.-H., and S.-Y. Wang, 2018: Multidecadal variability in the subseasonal peak of low-level convergence over the Pacific warm pool. Atmosphere (Special Issue on Monsoons), DOI:10.3390/atmos9050158 (PDF).


  • Fosu, B., S.-Y. Wang, K. Pegion, 2018: Synoptic and Climate Attributions of the December 2015 Extreme Flooding in Missouri. Water, 10(4), 350; doi: 10.3390/w10040350 (PDF)


  • Wu, C.-H., S.-Y. Wang, and H.-H. Hsu, 2017: Large-Scale Control of the Arabian Sea Monsoon Inversion in August. Climate Dynamics, DOI:10.1007/s00382-017-4029-7. (PDF).


  • Wang, S.-Y., J.-H. Yoon, E. Becker, and R. R. Gillies, 2017: California from drought to deluge. Nature Climate Change, 7, 465-468 (PDF)


  • Promchote, P., S.-Y. Wang, et al., 2017: A seasonal prediction for the wet-cold spells leading to winter crop damage in northwestern Taiwan with a combined empirical-dynamical approach. International Journal of Climatology, DOI: 10.1002/joc.5194 (PDF).


  • Schroeder, M., S.-Y. Wang, and R. R. Gillies, and H.-H. Hsu, 2016: Extracting the tropospheric short-wave influences on subseasonal prediction of precipitation in the United States using CFSv2. Climate Dynamics, doi: 10.1007/s00382-016-3314-1, (PDF)


  • Wang, S.-Y., Lin, Y.-H.♟, and Wu, C.-H., 2016: Interdecadal change of the active-phase summer monsoon in East Asia (Meiyu) since 1979. Atmosph. Sci. Lett., 17: 128–134. doi: 10.1002/asl.603 (open-access)


  • Wang, S.-Y., W.-R. Huang, H.-H. Hsu, and R. R. Gillies, 2015: Role of strengthened El Nino teleconnection in the May 2015 floods over the southern Great Plains. Geophysical Research Letters, DOI: 10.1002/2015GL065211.


  • Fosu, B. O., and S.-Y. Wang, 2014: Bay of Bengal: Coupling of pre-monsoon tropical cyclones with the monsoon onset in Myanmar. Climate Dynamics, DOI: 10.1007/s00382-014-2289-z, (PDF).


  • Wang, S.-Y., L. Hipps, R. R. Gillies, and J.-H. Yoon, 2014: Probable causes of the abnormal ridge accompanying the 2013-14 California drought: ENSO precursor and anthropogenic warming footprint. Geophysical Research Letters. DOI: 10.1002/2014GL059748


  • Wang, S.-Y., R. R. Gillies, and H. van den Dool, 2014: On the yearly phase delay of winter intraseasonal mode in the western United States. Climate Dynamics, DOI: 10.1007/s00382-013-1784-y


  • Wang, S.-Y., H.-H. Chia, R. R. Gillies, and X. Jiang, 2013: Quasi-biweekly mode and its modulation on the diurnal rainfall in Taiwan forecasted by the CFS. Weather and Forecasting. 28, 981-993 (pdf).


  • Wang, S.-Y., R. R. Gillies, R. Martin, R. E. Davies, and M. R. Booth, 2012: Connecting subseasonal movements of the winter ridge in western North America to inversion climatology in Cache Valley, Utah. Journal of Applied Meteorology and Climatology, 51, 617-627. (pdf)


  • Wang, S.-Y., R. E. Davies, W.-R. Huang, and R. R. Gillies, 2011: Pakistan’s two-stage monsoon and links with the recent climate change. Journal of Geophysical Research, 116, D16114. (PDF)


  • Gillies, R. R., S.-Y. Wang, and M. R. Booth, 2010: Atmospheric scale interaction on wintertime Intermountain West low-level inversions. Wea. Forecasting, 25, 1196–1210.


  • Gillies, R. R., S.-Y. Wang, J.-H. Yoon, and S. Weaver, 2010: CFS prediction of winter persistent inversions in the Intermountain Region. Wea. Forecasting, 25, 1211–1218.


  • Wang, S.-Y., and T.-C. Chen, 2009: The late spring maximum of rainfall over the U.S. Central Plains and the role of the low-level jet. J. Climate, 22, 4696–4709.


  • Chen, T.-C., S.-Y. Wang, M.-C. Yen, and A. J. Clark, 2009: Impact of the intraseasonal variability of large-scale circulation over the Western North Pacific on the characteristics of tropical cyclone track. Wea. Forecasting, 24, 646–666.


  • Chen, T.-C., S.-Y. Wang, W.-R. Huang, and M.-C. Yen, 2004: Variation of the East Asian summer monsoon rainfall. J. Climate, 17, 744–762.