12 HOUR PRECIPITATION FORECASTS FOR NAIROBI,KENYA

Radiosonde profiles of temperature and dewpoint temperature from one station are used to forecast 12-h precipitation over Nairobi,Kenya.The forecast scheme is based on statistical regression modelling.Four predictors are derived from data to use in a prognostic equation to get 12-h precipitation forecast.Observed and predicted rainfall values are plotted on a graph against time.Forecast verification shows that the forecasts are positively correlated with observations.