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Stratospheric Harbingers of Anomalous Weather Regimes

Baldwin, Mark P., Dunkerton, Timothy J.·2001·Science

Abstract

Observations show that large variations in the strength of the stratospheric circulation, appearing first above ∼50 kilometers, descend to the lowermost stratosphere and are followed by anomalous tropospheric weather regimes. During the 60 days after the onset of these events, average surface pressure maps resemble closely the Arctic Oscillation pattern. These stratospheric events also precede shifts in the probability distributions of extreme values of the Arctic and North Atlantic Oscillations, the location of storm tracks, and the local likelihood of mid-latitude storms. Our observations suggest that these stratospheric harbingers may be used as a predictor of tropospheric weather regimes.

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Metadata

Authors
Baldwin, M. P., & Dunkerton, T. J.
Venue
Science
Published
2001-10-19
Volume
294
Issue
5542
Pages
581-584
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1965765914
Cited by
1,950
References
0
FWCI
37.02
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Stratospheric Harbingers of Anomalous Weather Regimes. https://app.cochat.ai/papers/10.1126/science.1063315
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Baldwin, M. P., & Dunkerton, T. J. (2001). Stratospheric Harbingers of Anomalous Weather Regimes. Science. https://doi.org/10.1126/science.1063315

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