Results 81 to 90 of about 336,021 (269)

Modelling the influence of soil moisture on the Turkana jet

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
High‐resolution convection‐permitting experiments demonstrate that the Turkana jet is sensitive to soil moisture variations. When examining realistic dry and wet conditions, dry soils amplify a surface‐induced thermal low, which intensifies the along‐channel pressure gradient and strengthens the Turkana jet.
Joshua Talib   +6 more
wiley   +1 more source

Regional to large‐scale mechanisms controlling intraseasonal variability of low‐level clouds in Western Equatorial Africa

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
(a) Location map with the 26 stations as yellow squares superimposed on the topography in metres above sea level. Correlations between intraseasonal variability of the stratiform cloud cover over Western Equatorial Africa (WEAisv) and (b) observed low‐cloud fraction (LCF), (c) ERA5 LCF at the same location as stations with the same missing entries, (d)
Vincent Moron   +4 more
wiley   +1 more source

Local identification of equatorial mixed Rossby–gravity waves

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
A method for the local identification of mixed Rossby–gravity (MRG) waves at specific longitudes is proposed. The technique jointly identifies eastward mixed Rossby–gravity (EMRG) and westward mixed Rossby–gravity (WMRG) waves. Comparison with global identification methods already found in the literature shows very good accuracy of the newly developed ...
João B. Cruz   +2 more
wiley   +1 more source

Air–sea feedback in the northeastern tropical Atlantic in boreal summer at intraseasonal time‐scales

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
This study investigates air–sea interactions in the northeastern tropical Atlantic at intraseasonal time‐scales, focusing on the feedback between sea‐surface temperature (SST) and surface winds. It finds that trade wind anomalies drive SST changes, creating a feedback loop that lasts 2–3 weeks.
Mamadou Thiam   +4 more
wiley   +1 more source

ampycloud: an open-source algorithm to determine cloud base heights and sky coverage fractions from ceilometer data [PDF]

open access: yesAtmospheric Measurement Techniques
Ceilometers are used routinely at aerodromes worldwide to derive the height and sky coverage fraction of cloud layers. This information, possibly combined with direct observations by human observers, contributes to the production of meteorological ...
F. P. A. Vogt   +10 more
doaj   +1 more source

Links between hail hazard and climate modes of variability across Australia

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Climate modes of variability influence hail‐prone atmospheric conditions, but links between these drivers and hail hazard across Australia have not been well constrained. We examine relationships between the El Niño Southern Oscillation (ENSO), Indian Ocean Dipole (IOD), and Southern Annular Mode (SAM) and proxy‐derived hail‐prone days across the ...
Quincy F. Tut   +2 more
wiley   +1 more source

THz spectroscopy of the atmosphere for climatology and meteorology applications [PDF]

open access: yesSPIE Proceedings, 2017
We present a new satellite-based instrument concept that will enable global measurements of atmospheric temperature and humidity profiles with unprecedented resolution and accuracy, compared to currently planned missions. It will also provide global measurements of essential climate variables related to ice clouds that will better constrain global ...
Peter Charles Hargrave   +5 more
openaire   +1 more source

Climatology of Surface Meteorology, Surface Fluxes, Cloud Fraction, and Radiative Forcing over the Southeast Pacific from Buoy Observations

open access: yes, 2009
A 5-yr climatology of the meteorology, including boundary layer cloudiness, for the southeast Pacific region is presented using observations from a buoy located at 20°S, 85°W.
V. Ghate   +3 more
semanticscholar   +1 more source

Sensitivities of warm conveyor belt ascent, associated precipitation characteristics and large‐scale flow pattern: Insights from a perturbed parameter ensemble

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Cloud microphysical processes and low‐level moisture availability affect the ascent of the warm conveyor belt (WCB) airstream. We quantify the relative influence of perturbations to uncertain cloud microphysical model parameters and environmental conditions in the lower troposphere on WCB ascent, as well as on associated precipitation characteristics ...
Annika Oertel   +3 more
wiley   +1 more source

Influence of Disdrometer Type on Weather Radar Algorithms from Measured DSD: Application to Italian Climatology

open access: yesAtmosphere, 2018
Relations for retrieving precipitation and attenuation information from radar measurements play a key role in radar meteorology. The uncertainty in such relations highly affects the precipitation and attenuation estimates.
E. Adirosi   +4 more
semanticscholar   +1 more source

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