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Predictability of June-September Rainfall in Ethiopia
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ABSTRACT
In much of Ethiopia, similar to the Sahelian countries to its west, rainfall from June to September contributes the majority of the annual total, and is crucial to Ethiopia's water resource and agriculture operations. Drought-related disasters could be mitigated by warnings if skillful summer rainfall predictions were possible with sufficient lead time. This study examines the predictive potential for June-September rainfall in Ethiopia using mainly statistical approaches. The...
Related newspaper, magazine, and journal articles from HighBeam Research
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Predictability of June-September Rainfall in Ethiopia
Monthly Weather Review
; ABSTRACT In much of Ethiopia, similar to the Sahelian countries to its west, rainfall from June to September contributes the majority of the annual total, and is crucial to Ethiopia's water resource and agriculture operations. Drought-related disasters could be mitigated by warnings if skillful
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North Atlantic Winter SLP Anomalies Based on the Autumn ENSO State
Journal of Climate
; ABSTRACT The winter sea level pressure (SLP) anomalies in the Northern Hemisphere have been analyzed over the period 1873-2000 based on the ENSO state during the previous autumn. First, a set of extreme cold and warm ENSO events and periods that may be regarded as normal is selected using the SST
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State of the climate in 2002
Bulletin of the American Meteorological Society
; ... values are calculated at Rutgers from weekly maps of snow cover produced by NOAA meteorologists ... visible satellite imagery to construct the maps. Near-record-low snow extents were observed ... in Figs. 13 and 14, which show anomaly maps for February and October 2002. Anomalies ...
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The Annual Cycle, Intraseasonal Oscillations, and Roadblock to Seasonal Predictability of the Asian Summer Monsoon
Journal of Climate
; ABSTRACT Factors responsible for limited predictability of the Asian summer monsoon (ASM) are investigated within a conceptual framework for predictability. Predictability of the seasonal mean depends on the interannual variability (IAV) of the monsoon annual cycle (MAC) and is determined by
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A hydrological definition of Indian monsoon onset and withdrawal
Journal of Climate
; ABSTRACT A diagnostic criterion that retrospectively assesses the onset and withdrawal dates of the Indian monsoon is derived from variability in the large-scale hydrologic cycle. The method is proposed as an improved means with which to understand interannual variability in the monsoon transitions
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The Role of Intraseasonal Variability in the Nature of Asian Monsoon Precipitation
Journal of Climate
; ABSTRACT The structure of the mean precipitation of the south Asian monsoon is spatially complex. Embedded in a broad precipitation maximum extending eastward from 70E to the northwest tropical Pacific Ocean are strong local maxima to the west of the Western Ghats mountain range of India, in
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Changes in Spread and Predictability Associated with ENSO in an Ensemble Coupled GCM
Journal of Climate
; ... extratropics, the spatial scale of the spread anomalies is smaller than that of the ensemble mean anomalies. In 500-hPa height anomaly maps, the extratropical response to ENSO in both the Northern and Southern Hemispheres is easily detected during El Nio years (Fig ...
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Toward a combined seasonal weather and crop productivity forecasting system: Determination of the working spatial scale
Journal of Applied Meteorology
; ABSTRACT A methodology is presented for the development of a combined seasonal weather and crop productivity forecasting system. The first stage of the methodology is the determination of the spatial scale(s) on which the system could operate; this determination has been made for the case of
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Role of Antecedent Land Surface Conditions in Warm Season Precipitation over Northwestern Mexico
Journal of Climate
; ... correlation signal in Fig. 14 and the composite maps in Figs. 10 and 12 indicate that the spring ... and 16b show SST and Ts anomaly composite maps for early and late monsoon years in MSa ... Fig. 16). In contrast, the Ts anomaly maps for wet and dry years (not shown) in May ...
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Role of Antecedent Land Surface Conditions on North American Monsoon Rainfall Variability*
Journal of Climate
; ... June surface temperature anomaly composite maps during wet and dry monsoon years. May and ... relationship consistent with the Ts composite maps during extreme monsoons (Fig. 13b). Statistically ... geopotential height (Z500) anomaly composite maps in extreme years for JFM and June. During ...
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