Abstract Recently, all major weather centres issue ensemble forecasts, which differ both in size and spatial resolution – even while covering the same domain. These parameters directly determine forecast skill of prediction computation cost. In last few years, plans upgrading configuration Integrated Forecast System European Centre for Medium-Range Weather Forecasts (ECMWF) from a single with 9...

The July 2020 Mw7.8 Alaska tsunamigenic earthquake was a fresh call for potential large tsunamis associated with the Aleutian subduction zone. second largest ever-recorded worldwide (Mw 9.2) occurred in this zone 1964 indicating its massive and tsunami risk. Our analysis of revealed that it involves very long period waves (51–64 min) which is unusual an earthquake. coastal amplitude small (~0.5...