Climate in-brief
/Very little going on in the Australian tropics with the MJO currently on the other side of the world. The latest NCEP reports states “The MJO is slow moving and weak, which the opposite of that expected during a La Niña”
A continued positive surge by the Southern Annular Mode has kept some colours in the rain forecast, albeit not big totals anticipated for the month of November
Multi-week models not showing consensus on rainfall today and not showing any real enthusiasm for decent totals through November, with rain-bearing systems mainly centred around the Fitzroy Valley, and the NSW Great Dividing Range as a consequence of moisture in-feed from a positive SAM
Temperatures to remain around normal for the remainder of November, and
Meet Dr Ali Theobald - what are the climatic influences on Australia’s biggest irrigation network? We investigate factors impacting inflow into the headwaters of the Snowy Mountains Scheme, supporting $5 billion in irrigation infrastructure.
The chart above shows humidity below normal across much of north and eastern Australia over the last 7-days, helping grain harvest but not summer crop establishment.
Australian weekly rainfall and relative landscape water balance
A spike in the SAM has helped activate moisture into SE NSW over the last week with little else to report for the remainder of Australia. http://www.bom.gov.au/jsp/awap/rain/
Water balance anomaly shows a dry area in SW Qld, which will hopefully get under a drop in the system coming off the coral sea this coming week
Australian relative landscape water balance ‘upper soil’ courtesy BOM