Results 231 to 240 of about 4,213 (306)

On the Cell Broadening of Mesoscale Cellular Convection in a Well‐Mixed Boundary Layer

open access: yesJournal of Advances in Modeling Earth Systems, Volume 18, Issue 7, July 2026.
Abstract Understanding what controls the horizontal scale of mesoscale cellular convection is central to explaining cloud self‐organization and its radiative impacts. Using a hierarchy of large‐eddy simulations, we investigate cell broadening in a well‐mixed boundary layer by isolating the roles of radiation, cloud microphysics, and water vapor.
Xiaoran Ouyang   +5 more
wiley   +1 more source

Alaskan Ridge Blocking and Associated Winter Cold Conditions Over North America

open access: yesInternational Journal of Climatology, Volume 46, Issue 8, 30 June 2026.
Multi‐decadal (1979–2023) analysis reveals that wintertime reductions in the meridional gradient of potential vorticity (PVy) over the Bering Sea are recurrent but episodic features of North Pacific circulation. These suppressed PVy states consistently co‐occur with amplified Alaskan ridging, weakened mid‐tropospheric westerlies and a downstream warm ...
Varunesh Chandra   +2 more
wiley   +1 more source

Contrasting pathways to tree longevity in gymnosperms and angiosperms. [PDF]

open access: yesNat Commun
Brienen RJW   +44 more
europepmc   +1 more source

Are West African Heat‐Lows Analogous to Dry Tropical Cyclones?

open access: yesInternational Journal of Climatology, Volume 46, Issue 8, 30 June 2026.
Heat‐lows qualitatively resemble dry tropical cyclones (TCs), though their underlying physics has yet to be compared. In this study, we show that West African transient heat‐low climatology correlates well with TC potential intensity generalised over land.
Aaron Kruskie   +2 more
wiley   +1 more source

Tree-ring stable isotopes from the European Alps reveal long-term summer drying over the Holocene. [PDF]

open access: yesSci Adv
Arosio T   +12 more
europepmc   +1 more source

Tropical Cyclone Rainfall Spatial Asymmetries in the Lesser Antilles

open access: yesInternational Journal of Climatology, Volume 46, Issue 8, 30 June 2026.
Rainfall is not proportional to the Saffir‐Simpson wind‐based categories. Lower category tropical cyclones (TS, H1, H2 and H3) can generate more intense rainfall than H4 and H5. Rainfall is asymmetric; as a tropical cyclone intensifies or weakens, the location of peak rainfall shifts.
Catherine Nabukulu   +3 more
wiley   +1 more source

Spatiotemporal Evolution of Hydroclimatic Variables in the Brazilian Semi‐Arid Region Through the Aridity Index and Susceptibility to Desertification

open access: yesInternational Journal of Climatology, Volume 46, Issue 8, 30 June 2026.
Over the past 60 years, noticeable changes have been observed in the main hydroclimatological variables, driven by both natural and anthropogenic factors. In the context of climate change, such behaviour may adversely affect the state's economic activities, as well as increase the recurrence of extreme events in the region.
Ronaldo Guilherme Santos Lima   +4 more
wiley   +1 more source

Increasing prevalence of hot drought across western North America since the 16th century. [PDF]

open access: yesSci Adv
King KE   +7 more
europepmc   +1 more source

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