Weather Bulletin issued by the Vanuatu Meteorology and Geo-Hazards Department, Port Vila at 1:00 am Sunday, January 22, 2017
Synoptic Chart (211200Z).
A trough further north of Vanuatu, while a high-pressure system near east of north New Zealand extends a ridge over central Vanuatu.
Latest satellite (IR) imagery including a six-hour loop indicates few, scattered to broken low to mid-level clouds. Chances of few CBs are also evident about northern islands of Vanuatu. Latest Metar and Synoptic observations correlate with the imagery.
The trough mentioned above is expected to move further northward. A low-pressure system will develop further north of Vanuatu later tomorrow and will remain over that area until Friday this week. A high pressure currently near east of north New Zealand expected to move further east. Another high-pressure system will shift over to Tasman Sea later today and will pass by New Zealand later on Wednesday or Thursday.
Outlook for the next 7 days.
Partly cloudy about the group with chance of light showers over Northern islands, while chances of afternoon brief showers elsewhere. Partly cloudy to fine about the group with chance of afternoon brief showers tomorrow until Tuesday, tending to light showers later in the evening over the group. Partly cloudy with light showers over the group for Wednesday and Thursday. Partly cloudy to fine conditions over the group for Friday and Saturday with chance of light showers over TORBA. Light east and south, southeasterly winds persist throughout. Maximum temperatures range from 31oC down south to 32oC up north. Minimum temperatures range from 21oC down south to 25oC up north.