Results 101 to 110 of about 19,264 (293)

Physical oceanography on standard levels during Odon de Buen cruise CIRBAL_1101

open access: green, 2014
José Luís López‐Jurado   +9 more
openalex   +1 more source

The benefits and challenges of using dense Mode‐S aircraft winds at ECMWF

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
In November 2022 ECMWF stopped using Mode‐S winds because their very high density in central Europe caused problems for the assimilation system. The data were reintroduced operationally in November 2023 combined with an improved aircraft thinning algorithm.
Bruce Ingleby
wiley   +1 more source

Persistent Modulation of AMOC Multidecadal Variability on Tropical North Atlantic Subsurface Temperature Under Global Warming in the CESM1‐LE

open access: yesGeophysical Research Letters
Previous studies emphasized a significant linkage between Atlantic Meridional Overturning Circulation multidecadal variability (AMOC‐MV) and subsurface temperature in the Tropical North Atlantic (TNA). However, as AMOC‐MV weakens under global warming, it
Jun‐Chao Yang   +4 more
doaj   +1 more source

Exploring strongly coupled land/atmosphere data assimilation for numerical weather prediction

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Soil moisture and soil temperature can be analyzed effectively in a numerical weather prediction system by expanding the atmospheric ensemble‐based data assimilation to update the soil states also. The best results were obtained here using a strongly coupled land/atmosphere data assimilation to assimilate the standard atmospheric observations plus ...
Clara Draper   +2 more
wiley   +1 more source

Information‐based probabilistic verification scores and predictability measures: Seasonal prediction examples

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
Schematic of the computation of the logarithmic score and information gain. In panel (a), ensemble predictions (orange circles), observational reference (red circle), and historical observations (blue circles) are shown. An ensemble prediction probability distribution (orange line) and a climatological probability distribution (blue line) are also ...
Yuhei Takaya   +2 more
wiley   +1 more source

Evaluating seasonal forecast improvements over the past two decades

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
We have analysed the performance of operational seasonal forecasting models since their inception. Clear improvements are measured through the different model eras, particularly in the Tropics. For the extratropics, the strongest improvements are evident during the boreal winter season over the North Pacific/North America, linked to improvements in the
Christopher H. O'Reilly   +4 more
wiley   +1 more source

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