Results 41 to 50 of about 516,730 (208)

Stratospheric wave driving events as an alternative to sudden stratospheric warmings [PDF]

Weather and Climate Dynamics, 2022
Natural variations in the strength of the northern stratospheric polar vortex, so-called polar vortex events, help to improve subseasonal-to-seasonal (S2S) predictions of winter climate.
T. Reichler, M. Jucker, M. Jucker
doaj   +1 more source

Improved predictability of the troposphere using stratospheric final warmings [PDF]

, 2011
The final warming of the stratospheric polar vortex at the end of northern hemisphere winter is examined in ECMWF ERA-Interim reanalysis data and an ensemble of chemistry climate models, using 20 years of data from each.
Braesicke, Peter, Michou, M., Shaw, T., Peter Braesicke, Hardiman, S. C., Hardiman, S., Martyn Chipperfield, Akiyoshi, Hideharu, Garcia, Rolando R., Shaw, Tiffany A., Garcia, R., Hideharu Akiyoshi, Martin Dameris, Chipperfield, Martyn, Kiyotaka Shibata, Neal Butchart, Shaw, T. A., Hardiman, Steven, Tiffany A. Shaw, Slimane Bekki, Akiyoshi, H., Charlton-Perez, A., Baumgaertner, Andreas, Hardiman, Steven C., Braesicke, P., Dameris, Martin, Baumgaertner, A., Chipperfield, M., Garcia, R. R., Bekki, Slimane, Butchart, Neal, Eugene Rozanov, Charlton‐Perez, Andrew J., Butchart, Neil, Steven C. Hardiman, Dameris, M., Steven Pawson, Andrew J. Charlton-Perez, Bekki, S., Andreas Baumgaertner, Rozanov, Eugene, Martine Michou, Rolando R. Garcia, Charlton-Perez, Andrew J., Shibata, Kiyotaka, Shibata, K., Pawson, Steven, Butchart, N., Rozanov, E., Michou, Martine, Pawson, S., Charlton-Perez, A. J.   +51 more
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The stratospheric polar vortex and sudden stratospheric warmings [PDF]

Weather, 2020
The polar vortex is the dominant feature of the wintertime stratosphere. Sometimes, it is unusually strong, while at others it is very weak or destroyed in an event known as a sudden stratospheric warming (SSW). Both can play an important role in driving the type and predictability of the weather we experience at the surface.
openaire   +1 more source

Equatorial counter electrojets and polar stratospheric sudden warmings – a classical example of high latitude-low latitude coupling? [PDF]

Annales Geophysicae, 2009
Favored occurrences of Equatorial Counter Electrojets (CEJs) with a quasi 16-day periodicity over Trivandrum (8.5° N, 76.5° E, 0.5° N diplat.) in association with the polar Stratospheric Sudden Warming (SSW) events are presented.
C. Vineeth, T. Kumar Pant, R. Sridharan
doaj   +1 more source

Multimodel climate and variability of the stratosphere [PDF]

, 2011
The stratospheric climate and variability from simulations of sixteen chemistry‐climate models is evaluated. On average the polar night jet is well reproduced though its variability is less well reproduced with a large spread between models.
T. Nakamura, Garny, Hella, Morgenstern, O, J.-F. Lamarque, Osprey, Scott, H. Teyssèdre, Eyring, V, M. Dameris, Hardiman, S. C., Garny, H., S. M. Osprey, Garcia, R., Kushner, PJ, J. Perlwitz, D. Smale, D. Plummer, Haynes, P.H., Charlton-Perez, AJ, Akiyoshi, H, J. Pyle, E. Rozanov, Nakamura, T, Akiyoshi, H., Charlton-Perez, A., Morgenstern, O., Perlwitz, J, Pyle, J, Butchart, N, Haynes, PH, M. Marchand, Lamarque, J-F, Y. Yamashita, Lamarque, J. F., Braesicke, P., Brühl, C., Baumgaertner, A., Kushner, P., Dameris, Martin, Kushner, P. J., Chipperfield, M., Butchart, Neal, Chipperfield, M, Wang, L., Joeckel, P, M. Sigmond, Tian, W., Wang, L, Bekki, S, Perlwitz, J., Dameris, M, Osprey, S. M., H. Akiyoshi, R. Garcia, V. Eyring, K. Krüger, Bekki, S., Eyring, V., A. Baumgaertner, Jöckel, P., Osprey, S., et, al., Rozanov, E, P. H. Haynes, M. Michou, Yamashita, Y, Plummer, D, S. Bekki, Scinocca, J, Newman, P. A., Shepherd, T. G., Marchand, M, Krüger, Kirstin, Eyring, Veronika, Dhomse, S, Butchart, N., D. Waugh, Haynes, P. H., Rozanov, E., Pawson, S., Lamarque, J.-F., Charlton-Perez, A. J., Osprey, SM, J. Austin, Newman, PA, Smale, D., Austin, J., Michou, M., Marchand, M., Garny, H, Newman, P., Hardiman, S., Waugh, D., Cionni, Irene, Teyssedre, H, J. Scinocca, Sigmond, M, A. J. Charlton-Perez, Waugh, D, P. J. Kushner, Bruehl, C, S. C. Hardiman, Braesicke, P, Smale, Dan, Marchand, Marion, K. Shibata, H. Garny, S. Pawson, Cionni, I., Sigmond, M., T. G. Shepherd, Hardiman, SC, C. Brühl, S. Dhomse, Baumgaertner, A, P. Braesicke, P. A. Newman, Shepherd, T., Scinocca, J., Bekki, Slimane, M. Chipperfield, I. Cionni, Garcia, R, Plummer, D., Dameris, M., Morgenstern, Olaf, Pawson, S, N. Butchart, Lamarque, J., Krueger, K, Dhomse, S., Yamashita, Y., Haynes, P., Austin, J, Smale, D, Tian, W, P. Jöckel, Pyle, J., Teyssèdre, H., L. Wang, O. Morgenstern, Charlton-Perez, Andrew J., Newman, P.A., Shibata, K, Krüger, K., W. Tian, Shibata, K., Hardiman, S.C., Shepherd, TG, Michou, M, Charlton-Perez, A.J., Jöckel, Patrick, Osprey, S.M., Nakamura, T., Michou, Martine, Cionni, I   +154 more
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Associations between stratospheric variability and tropospheric blocking [PDF]

, 2010
There is widely believed to be a link between stratospheric flow variability and stationary, persistent “blocking” weather systems, but the precise nature of this link has proved elusive.
Charlton-Perez, Andrew James, Woollings, Tim James, Marshall, A. G., Woollings, Tim, Ineson, S., Marshall, AG, Masato, G, Woollings, T, Ineson, S, Charlton-Perez, A, Masato, Giacomo   +10 more
core   +1 more source

Defining Sudden Stratospheric Warmings

Bulletin of the American Meteorological Society, 2015
Abstract Sudden stratospheric warmings (SSWs) are large, rapid temperature rises in the winter polar stratosphere, occurring predominantly in the Northern Hemisphere. Major SSWs are also associated with a reversal of the climatological westerly zonal-mean zonal winds.
Amy H. Butler, Dian J. Seidel, Steven C. Hardiman, Neal Butchart, Thomas Birner, Aaron Match   +5 more
openaire   +1 more source

The role of convective overshooting clouds in tropical stratosphere–troposphere dynamical coupling [PDF]

Atmospheric Chemistry and Physics, 2015
This paper investigates the role of deep convection and overshooting convective clouds in stratosphere–troposphere dynamical coupling in the tropics during two large major stratospheric sudden warming events in January 2009 and January 2010.
K. Kodera, B. M. Funatsu, C. Claud, N. Eguchi   +3 more
doaj   +1 more source

Effects of the stratospheric sudden warming on the temperature in the MLT region [PDF]

, 2003
P(論文)We investigate effects of the stratospheric sudden warming on the temperature in the MLT (mesosphere and lower thermosphere) region by using a general circulation model up to 150km height.
Miyoshi, Yasunobu
core   +1 more source

The Major Sudden Stratospheric Warming Impact on Mid-Latitude Surface Weather [PDF]

EPJ Web of Conferences, 2020
The possible relation of a major sudden stratospheric warming (SSW) with the mid-latitude surface weather conditions was investigated using data from the ERA-Interim and NCEP–NCAR reanalyzes.
Wang Yuke, Evtushevsky Oleksandr, Milinevsky Gennadi, Shulga Valery, Yukhymchuk Yuliia, Han Wei, Shulga Dmitri, Grytsai Asen   +7 more
doaj   +1 more source