Results 51 to 60 of about 1,738 (184)

Comparison of microwave satellite humidity data and radiosonde profiles: A survey of European stations [PDF]

open access: yesAtmospheric Chemistry and Physics, 2005
A method to compare upper tropospheric humidity (UTH) from satellite and radiosonde data has been applied to the European radiosonde stations. The method uses microwave data as a benchmark for monitoring the performance of the stations.
V. O. John, S. A. Buehler
doaj  

Comparison Analysis of Total Precipitable Water of Satellite-Borne Microwave Radiometer Retrievals and Island Radiosondes

open access: yesAtmosphere, 2019
Total precipitable water (TPW) of satellite-borne microwave radiometer retrievals is compared with the data that were collected from 49 island radiosonde stations for the period 2007−2015.
Ji-Ping Guan   +4 more
doaj   +1 more source

EFFECT OF THE CONVECTIVE BOUNDARY LAYER ON RADIOSONDE FLIGHT PATH OVER BAGHDAD AIRPORT STATION (CASE STUDY)

open access: yesThe Iraqi Journal of Agricultural science, 2023
This research was aimed to investigate effect of the convection conditions resulted from surface heating at different weather condition on movement track of radiosonde.
A. F. Hassoon, T. O. Roomi
doaj   +1 more source

Impact of Weak‐Constraint Four‐Dimensional Variational data assimilation on the prediction of a sudden stratospheric warming event in 2024

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
The Weak‐Constraint Four‐Dimensional Variational (WC‐4DVAR) system markedly improved the analysis and forecasting of the 2024 sudden stratospheric warming (SSW) event. It reduced biases and enhanced 7–9 day predictions of temperature across the SSW life cycle, with the most pronounced gains for winds also during the critical onset period.
Shaoying Li   +5 more
wiley   +1 more source

Enhancing the Data Coverage in the Integrated Global Radiosonde Archive [PDF]

open access: yesJournal of Atmospheric and Oceanic Technology, 2018
AbstractThe Integrated Global Radiosonde Archive (IGRA) is a collection of historical and near-real-time radiosonde and pilot balloon observations from around the globe. Consisting of a foundational dataset of individual soundings, a set of sounding-derived parameters, and monthly means, the collection is maintained and distributed by the National ...
Imke Durre   +4 more
openaire   +1 more source

Wavelet covariance approach to measure convective boundary‐layer structure

open access: yesQuarterly Journal of the Royal Meteorological Society, EarlyView.
This study introduces a wavelet‐based framework that applies the Haar discrete wavelet transform (DWT) to radiosonde profiles of potential temperature and water vapor mixing ratio for diagnosing convective boundary‐layer (CBL) structure. The method objectively identifies key CBL parameters, including the surface‐layer height, entrainment zone depth ...
Song‐Lak Kang   +2 more
wiley   +1 more source

Insights From the Alphasat Aldo Paraboni Experiment at Tito Scalo and Spino d'Adda: Characterizing Scintillation and Rain Attenuation at Ka‐ and Q‐Band Frequencies

open access: yesInternational Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT We present experimental results on the relationship between rain attenuation and simultaneous scintillation during rain events, based on beacon signal measurements at 19.7 (Ka‐band) and 39.4 GHz (Q‐band) from the geosynchronous Alphasat satellite (25° E), received at two Italian ground stations, Spino d'Adda (42.1° slant path) and Tito Scalo ...
Miles Turner   +5 more
wiley   +1 more source

30 years of upper air soundings on board of R/V POLARSTERN [PDF]

open access: yesEarth System Science Data, 2016
The research vessel and supply icebreaker POLARSTERN is the flagship of the Alfred-Wegener-Institut in Bremerhaven (Germany) and one of the infrastructural pillars of German Antarctic research. Since its commissioning in 1982, POLARSTERN has conducted 30
A. Driemel   +4 more
doaj   +1 more source

Impacts to the mountain‐valley circulation from the 2023 annular solar eclipse

open access: yesWeather, EarlyView.
In October 2023, as part of the Nationwide Eclipse Ballooning Project (NEBP), faculty and students from the University of North Dakota (UND) in coordination with Pueblo Community College Southwest collected weather observations during an annular solar eclipse colloquially known as a ‘ring of fire’ eclipse.
Jared W. Marquis   +4 more
wiley   +1 more source

Assessing the performance of troposphere tomographic modeling using multi-source water vapor data during Hong Kong's rainy season from May to October 2013 [PDF]

open access: yesAtmospheric Measurement Techniques, 2016
Acquiring accurate atmospheric water vapor spatial information remains one of the most challenging tasks in meteorology. The tomographic technique is a powerful tool for modeling atmospheric water vapor and monitoring the water vapor spatial and temporal
B. Chen, Z. Liu
doaj   +1 more source

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