Results 221 to 230 of about 28,683 (300)

When Thunderstorms Reach the Stratosphere: Why Storm Structure May Matter for Climate

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 9, 16 May 2026.
Abstract Deep convection that overshoots the tropopause provides one of the fastest pathways for exchanging air between the troposphere and the stratosphere. Using extensive in situ observations from the dynamics and chemistry of the summer stratosphere (DCOTSS) campaign, Shepherd et al.
Francesco Cairo
wiley   +1 more source

Three‐Dimensional Structure of Cold‐Air Damming in the Kanto Plain, Japan, Revealed by Multiple‐Site Radiosonde Observations

open access: yesAtmospheric Science Letters, Volume 27, Issue 5, May 2026.
Multi‐site radiosonde observations were conducted to investigate the three‐dimensional structure of cold‐air damming (CAD) during a typical snowfall event in the Kanto Plain, Japan. (a) Photograph of the radiosonde launch at HKT, (b) Distributions of pressure (solid lines) and temperature (shading) around the Kanto Plain, (c) Vertical cross‐section of ...
Kazumasa Sengoku, Hiroyuki Kusaka
wiley   +1 more source

Flood Risk Management Using Representative Hillslopes: Insights From a Historical Flood in Southwest Germany

open access: yesHydrological Processes, Volume 40, Issue 5, May 2026.
A coupled hydrologic and hydraulic modelling framework relying on representative hillslope models and scaled using hydraulic routing schemes is proposed to simulate Hortonian overland flow at intermediate scales. Using a reconstructed historic summer storm in southwest Germany (1994), we show how hillslope scale nature‐based flood prevention measures ...
Ashish Manoj J.   +4 more
wiley   +1 more source

Tropics-wide intraseasonal oscillations. [PDF]

open access: yesProc Natl Acad Sci U S A
Bao J, Bony S, Takasuka D, Muller C.
europepmc   +1 more source

Geomorphic Effectiveness of an Extreme Flood in a Mountain River: Evidence From Pre‐ and Post‐Event Surveys in a Subtropical Region of Southern Brazil

open access: yesHydrological Processes, Volume 40, Issue 5, May 2026.
The extreme flooding of April 2024 caused a complete “geomorphic reset”, resulting in a 24% widening of the channel and a transition to critical or supercritical flow regimes. The energy of the event broke through the stable armouring layer, reducing the armouring ratio from 7.9 to 4.9 and intensely removing fine sediments from the subsurface.
Gabriel Augusto Feyh   +8 more
wiley   +1 more source

Seasonal Variability of Precipitating Systems in Four Radar Domains of Northeast Brazil

open access: yesInternational Journal of Climatology, Volume 46, Issue 6, May 2026.
This study analyzes the climatology and evaluates how the physical aspects of precipitating systems are influenced by the dry and wet seasons in Northeast Brazil, highlighting seasonal variations in the frequency, size, intensity, and duration of these systems in the regions of Natal, Maceió, Petrolina, and Salvador.
Amanda Carolina da Silva Queiroz   +1 more
wiley   +1 more source

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