Results 111 to 120 of about 24,573,848 (241)

How Can the Latent Heat Entrainment Flux in the Convective Boundary Layer be Characterized?

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 20, 28 October 2026.
Abstract A proposed theoretical description of the latent heat entrainment flux at the top of a convective boundary layer (CBL) was tested. It is related to the vertical velocity scale times the ratio of the water vapor mixing ratio (WVMR) gradient to the Brunt‐Väisälä frequency. This relation was tested with different LiDAR and radiosonde measurements.
Linus von Klitzing   +4 more
wiley   +1 more source

Comparing upper tropospheric humidity from microwave satellite instruments and IGRA radiosonde data

open access: yes, 2010
In this study, Advanced Microwave Sounding Unit (AMSU-B) and Microwave Humidity Sounder (MHS) observations are compared to radiosonde data from the Integrated Global Radiosonde Archive (IGRA) dataset.
Stefan A. Buehler   +5 more
core   +1 more source

Extreme Atmospheric Moistening and Drying Events at Ny‐Ålesund and Their Relation to Weather Systems

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 20, 28 October 2026.
Abstract Understanding the role of water vapor in Arctic amplification requires a detailed evaluation of its spatio‐temporal variability. In this work, we use an integrated water vapor (IWV) data set from a ground‐based microwave radiometer at Ny‐Ålesund, Svalbard, covering 2012–2024, to characterize temporal IWV variability.
Christian Buhren   +6 more
wiley   +1 more source

Application of GNSS Methodologies to Obtain Precipitable Water Vapor (PWV) and Its Comparison with Radiosonde Data

open access: yesProceedings, 2019
A processing methodology with GNSS observations to obtain Zenith Tropospheric Delay using Bernese GNSS Software version 5.2 is revised in order to obtain Precipitable Water Vapor (PWV). The most traditional PWV observation method is the radiosonde and it
Raquel Perdiguer-López   +2 more
doaj   +1 more source

Global Multi‐Model Eddy Dissipation Rate Probability Density Functions for Clear‐Air Turbulence Under Climate Change

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 20, 28 October 2026.
Abstract Atmospheric turbulence poses a major risk to aviation, and it is expected to intensify as a response to climate change. The probability density functions (PDFs) of dozens of different clear‐air turbulence (CAT) diagnostics have been found to shift to higher values in response to climate change, consistent with strengthened vertical wind shear ...
Joana de Medeiros, Paul D. Williams
wiley   +1 more source

Determination of Radiosonde Station Elevation from Observational Data

open access: yesJournal of Applied Meteorology, 2002
Correct radiosonde station elevation (balloon release height) is important in quality control of radiosonde soundings. Incorrect heights introduce errors in calculated temperature trends and numerical forecasts. Radiosonde metadata frequently contain erroneous information regarding station elevations.
Oleg A. Alduchov, Robert E. Eskridge
openaire   +1 more source

Climatology of Atmospheric Boundary Layer Height Over Nearshore and Open Ocean Regions of the Western North Pacific

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 20, 28 October 2026.
Abstract Atmospheric boundary layer height (ABLH) plays an important role in air–sea interactions and regional climate over the western North Pacific (WNP). Using ERA5 reanalysis data from 1979 to 2025, this paper investigates the interannual variability, monthly variations, and seasonal spatial patterns of ABLH.
Yucheng Xue, Qiusheng Li
wiley   +1 more source

Microphysics and Kinematics of a High Flash Rate Storm With a Bottom‐Heavy Charge Structure

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 19, 16 October 2026.
Abstract An atypical thunderstorm with unusual lightning and charge structure characteristics propagated through Cordoba province, Argentina, during the austral warm season in late 2018. This storm exhibited echo tops near 10.5 km, with high lightning activity concentrated at low altitudes.
Bruno L. Medina   +4 more
wiley   +1 more source

Comparison between ATSR2 stereo, MOS O2-A band and ground-based cloud top heights [PDF]

open access: yes, 2007
A new method to retrieve cloud top heights stereoscopically using the dual-view facility of the Along Track Scanning Radiometer 2 (ATSR2) instrument is assessed.
Muller, J
core  

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