1988
DOI: 10.1175/1520-0493(1988)116<0824:aeotpo>2.0.co;2
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An Evaluation of the Performance of the ECMWF Operational System in Analyzing and Forecasting Easterly Wave Disturbances over Africa and the Tropical Atlantic

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Cited by 106 publications
(92 citation statements)
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“…extensively The two band-periods between 3 and 5 days correspond to studied over West Africa and the tropical Atlantic between the well-known easterly waves travelling over West Africa 5øN and 20øN during northern summer (Carlsbn, 1969a, b, and the tropical Atlantic. The band-period covering 6-9 Burpee, 1972, 1975, Reed et al, 1977, 1988a. days was also detected for different variables resulting from Typically they have a wavelength of about 2500-3000 kin, observations in meteorological stations, from a period of 3-5 days and propagate westward with a phase radiosounding, and from other analysis datasets (see velocity of about 7-8 degree longitude per day.…”
Section: Introductionmentioning
confidence: 87%
“…extensively The two band-periods between 3 and 5 days correspond to studied over West Africa and the tropical Atlantic between the well-known easterly waves travelling over West Africa 5øN and 20øN during northern summer (Carlsbn, 1969a, b, and the tropical Atlantic. The band-period covering 6-9 Burpee, 1972, 1975, Reed et al, 1977, 1988a. days was also detected for different variables resulting from Typically they have a wavelength of about 2500-3000 kin, observations in meteorological stations, from a period of 3-5 days and propagate westward with a phase radiosounding, and from other analysis datasets (see velocity of about 7-8 degree longitude per day.…”
Section: Introductionmentioning
confidence: 87%
“…- Reed and Chavas (2015) tracked tropical cyclones on a planet in radiative-convective equilibrium. Candidates were identified using SLP minima followed by a closed contour criteria that requires a pressure increase of at least 4 hPa in all directions within 5 • (great-circle distance), and using an early release of TempestExtremes.…”
Section: -Sugi Et Al (2002) Tracked Tropical Cyclones In a T106mentioning
confidence: 99%
“…Pointwise tracking is complementary to statistical techniques which typically examine the variability, for instance, in the African easterly jet (AEJ) (i.e., Ceron and Gueremy, 1999). The first manual study that identified and tracked African easterly wave was performed by Reed et al (1988) using positive relative vorticity anomalies. This strategy was also applied by Thorncroft and Hodges (2001), Hodges et al (2003) and Serra et al (2010).…”
Section: -Sugi Et Al (2002) Tracked Tropical Cyclones In a T106mentioning
confidence: 99%
“…To understand the subsequent sequence of events in this case, it is helpful to recall that there are two wave tracks over West Africa (e.g., Carlson 1969;Reed et al 1977), one to the north of the jet axis and the other to the south of the jet axis. The northern waves have their maximum amplitude near 850 hPa, while the southern waves have their maximum amplitude at the jet level (;600-700 hPa) (e.g., Reed et al 1988a,b;Pytharoulis and Thorncroft 1999).…”
Section: ) Pre-hurricane Fred (Pg25l)mentioning
confidence: 99%