This report summarises the meteorology and hydrology of the
3 - 4 October 2003 storm event in the Wellington region. The
report gives an overview of the synoptic weather patterns,
quantifies rainfall and river flows, and provides a frequency
analysis of the event using data from Greater Wellington's
environmental monitoring network.

During the storm landslides and flooding caused extensive
damage in Paekakariki and surrounding areas. This report does
not describe the damage that occurred. For a description of the
flooding and landslide activity the reader is referred to Duffill
Watts & Tse (2003).