Wintertime orographic precipitation over western Tasmania

Abstract

The wintertime (April - October) precipitation across western Tasmania (west of 147°E) has been studied for two years (2014 and 2015). Using the AWAP precipitation analysis, the average daily rainfall across western Tasmania was found to be 4.49 mm day-1 for all winter days and 6.99 mm day-1 for rain days (average precipitation greater than 1 mm day-1). Rain days were observed for ~63% of all days during the winter months. Rain days were frequently recorded after the pas-sage of a cold front, when winds are typically from the west and southwest, off the open Southern Ocean. The daily precipitation was found to be highly correlated (r = 0.55) with the 12 UTC ERA-Interim 1000 m wind speed at a..