Search Results - "Thorncroft, C"

Interdecadal Variability of Easterly Waves Over the Tropical Northeastern Pacific by Torres, V. M., Thorncroft, C. D.

“…A time‐series analysis of Easterly Wave (EW) activity, based on dynamical and convective variance measures, was carried out over the tropical northeastern…”
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Sahel rainfall in multimodel CMIP5 decadal hindcasts by Martin, E. R., Thorncroft, C.

“…This study assesses the capability of Coupled Model Intercomparison Project 5 (CMIP5) decadal hindcasts to represent Sahel rainfall and a relative sea surface…”
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Overview and Applications of the New York State Mesonet Profiler Network by Shrestha, Bhupal, Brotzge, J. A., Wang, J., Bain, N., Thorncroft, C. D., Joseph, E., Freedman, J., Perez, S.

“…Vertical profiles of atmospheric temperature, moisture, wind, and aerosols are essential information for weather monitoring and prediction. Their availability,…”
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The diurnal cycle of the West African monsoon circulation by Parker, D. J., Burton, R. R., Diongue‐Niang, A., Ellis, R. J., Felton, M., Taylor, C. M., Thorncroft, C. D., Bessemoulin, P., Tompkins, A. M.

“…Using numerical model analyses, it is shown that there is a coherent diurnal cycle of the West African monsoon winds. As has been observed in previous studies…”
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African Easterly Wave Variability and Its Relationship to Atlantic Tropical Cyclone Activity by Thorncroft, Chris, Hodges, Kevin

“…Automatic tracking of vorticity centers in European Centre for Medium-Range Weather Forecasts analyses has been used to develop a 20-yr climatology of African…”
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The AMMA field campaigns: multiscale and multidisciplinary observations in the West African region by Lebel, T., Parker, D. J., Flamant, C., Bourlès, B., Marticorena, B., Mougin, E., Peugeot, C., Diedhiou, A., Haywood, J. M., Ngamini, J. B., Polcher, J., Redelsperger, J.‐L., Thorncroft, C. D.

“…AMMA—the African Monsoon Multidisciplinary Analysis—is the biggest programme of research into environment and climate ever attempted in Africa. AMMA has…”
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Large-scale overview of the summer monsoon over West Africa during the AMMA field experiment in 2006 by Janicot, S., Thorncroft, C. D., Ali, A., Asencio, N., Berry, G., Bock, O., Bourles, B., Caniaux, G., Chauvin, F., Deme, A., Kergoat, L., Lafore, J.-P., Lavaysse, C., Lebel, T., Marticorena, B., Mounier, F., Nedelec, P., Redelsperger, J.-L., Ravegnani, F., Reeves, C. E., Roca, R., de Rosnay, P., Schlager, H., Sultan, B., Tomasini, M., Ulanovsky, A.

“…The AMMA (African Monsoon Multidisciplinary Analysis) program is dedicated to providing a better understanding of the West African monsoon and its influence on…”
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The impact of moist processes on the African easterly jet–African easterly wave system by Cornforth, R. J., Hoskins, B. J., Thorncroft, C. D.

“…The African Easterly Jet–Easterly Wave (AEJ–AEW) system was explored in an idealised model. Prescribed zonally symmetric surface temperature and moisture…”
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The extratropical transition of hurricane Irene (1999): A potential‐vorticity perspective by Agusti‐panareda, A., Thorncroft, C. D., Craig, G. C., Gray, S. L.

“…Extratropical transition (ET) of tropical cyclones is common in all ocean basins where tropical cyclones recurve polewards. After the tropical cyclone…”
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The African easterly jet in the ECMWF Integrated Forecast System: 4D‐Var analysis by Tompkins, A. M., Diongue‐Niang, A., Parker, D. J., Thorncroft, C. D.

“…In August 2000, the Met Office C‐130 research flight aircraft conducted four sorties over the western Sahel region, making dropsonde measurements at an…”
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Linking boundary‐layer variability with convection: A case‐study from JET2000 by Taylor, C. M., Ellis, R. J., Parker, D. J., Burton, R. R., Thorncroft, C. D.

“…The properties of the planetary boundary layer (PBL) are crucial for understanding convection and dynamics in the tropical atmosphere. In semi‐arid regions,…”
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Intense convective systems in West Africa and their relationship to the African easterly jet by Mohr, Karen I., Thorncroft, Chris D.

“…For May–September 1998, convective systems in West Africa were identified from observations by the Tropical Rainfall Measuring Mission satellite Microwave…”
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Analysis of the African easterly jet, using aircraft observations from the JET2000 experiment by Parker, Douglas J., Thorncroft, Chris D., Burton, Ralph R., Diongue‐Niang, Aïda

“…Analyses of the African easterly jet (AEJ) are presented which are based on meridional transects of high‐resolution dropsonde observations made during JET2000,…”
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THE JET2000 PROJECT: Aircraft Observations of the African Easterly Jet and African Easterly Waves by Thorncroft, C. D., Parker, D. J., Burton, R. R., Diop, M., Ayers, J. H., Barjat, H., Devereau, S., Diongue, A., Dumelow, R., Kindred, D. R., Price, N. M., Saloum, M., Tayor, C. M., Tompkins, A. M.

“…Scientific background and motivation for the JET2000 aircraft observing campaign that took place in West Africa during the last week of August 2000 are…”
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Interannual variability of African wave activity in a general circulation model by Thorncroft, C. D., Rowell, D. P.

“…African easterly waves are an important part of the tropical climate, impacting on daily rainfall patterns as well as being the precursors for most Atlantic…”
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Observations of synoptic‐scale land surface variability and its coupling with the atmosphere by Taylor, Christopher M., Parker, Douglas J., Lloyd, Colin R., Thorncroft, Chris D.

“…Cloud‐free brightness temperatures from satellite are used to interpret changes in the state of the land surface energy balance from day to day across the…”
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THE TC DIURNAL CYCLE: THE LANDFALL BEFORE THE LANDFALL by Dunion, Jason P, Thorncroft, C, Velden, C, McNoldy, B

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Analysis of Convection and Its Association with African Easterly Waves by Mekonnen, Ademe, Thorncroft, Chris D., Aiyyer, Anantha R.

“…The association between convection and African easterly wave (AEW) activity over tropical Africa and the tropical Atlantic during the boreal summer is examined…”
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Climatology of Vertical Wind Shear over the Tropical Atlantic by Aiyyer, Anantha R., Thorncroft, Chris

“…The spatiotemporal variability of the 200–850-hPa vertical wind shear over the tropical Atlantic is examined for a period of 46 yr. This work extends and…”
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Shallow Meridional Circulations in the Tropical Atmosphere by Zhang, Chidong, Nolan, David S., Thorncroft, Christopher D., Nguyen, Hanh

“…A shallow meridional circulation (SMC) in the tropical atmosphere features a low-level (e.g., 700 hPa) flow that is in the opposite direction to the boundary…”
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