Results 251 to 260 of about 975,265 (377)

The dry‐season low‐level cloud cover over western equatorial Africa: A case study with a mesoscale atmospheric model

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
The atmospheric mechanisms responsible for the low‐level cloud cover (LCC) over western equatorial Africa in the dry season are poorly studied. This study brings a better understanding of the mechanisms accounting for the diurnal LCC formation and dissipation, and it highlights some potential interactions between local and regional dynamics by using a ...
Alexandre Berger   +5 more
wiley   +1 more source

Two archetypes of tornadic quasi‐linear convective systems in the United Kingdom: Relevance of horizontal shearing instability to vortexgenesis and maintenance

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Two archetypes of tornadic quasi‐linear convective systems with and without horizontal shearing instability. Modeled surface precipitation rates (mm ·hr$$ \cdotp \mathrm{hr} $$ −1$$ {}^{-1} $$; colored) and absolute vorticity (contours every 3×10−3$$ 3\times 1{0}^{-3} $$ s−1$$ {}^{-1} $$; dashed when negative) after vortexgenesis from the model domain.
Ty J. Buckingham   +3 more
wiley   +1 more source

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

Atmospheric and internal turbulence measured on the Very Large Telescope Interferometer with VINCI [PDF]

open access: green, 2003
E. Di Folco   +6 more
openalex   +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

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

Atmospheric turbulence at the South Pole and its implications for astronomy [PDF]

open access: bronze, 2003
Tony Travouillon   +4 more
openalex   +1 more source

Abrupt ending of the Madden–Julian Oscillation by convectively coupled Kelvin wave precipitation leaves a swath of flooding across Indonesia

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
During July 2021 there were widespread reports of flooding across the equatorial Maritime Continent. This analysis reveals how interactions between a system of convectively coupled Kelvin waves (CCKWs) and diurnally phase‐locked westward‐propagating inertio‐gravity waves during an active Madden–Julian Oscillation (MJO) caused these extreme rainfall ...
Natasha V. Senior   +7 more
wiley   +1 more source

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