BINCASTS : BGS Index Nowcasts and Forecasts

We describe high quality real time (”nowcast”) geomagnetic indices that are produced by BGS, using geomagnetic data provided by observatories and institutes contributing to official IAGA indices. The data are currently available on the BGS web site. However both nowcast and forecast data will soon be available through SWENET for academic purposes. Near real time geomagnetic index data estimates are given for Ap, ap, Aa and aa. Short-term (1-27 day) forecasts of Ap, DRX (the daily range in the north component of the field in the UK), and solar F are made. Long-term (1-60 smoothed monthly) forecasts of F , sunspot number, Ap and Aa are also provided. These data will be supported and developed by BGS in response to user needs.