24.7 C
Port Moresby
November 28, 2021
Emergency Papua New Guinea

Heavy Rain and Flood Warning Advice for Public

Heavy rain and flood warning advice issued by Port Moresby National Weather Service Forecasting and Warning Centre at 2.00 pm 16/12/2016, for northern PNG/Indonesian border to Vanimo to Wewak to Madang and Manus.


A confluent asymptote extends from northern PNG/Indonesian border to Bougainville on which, a well-defined convergence of cross-equatorial northwest winds created the uplift mechanism for the moist northwest maritime-tropical (mt) air mass to rise and precipitate.

The uplift mechanism is also enhanced by the accelerated air mass (or strong winds) induced by the convergence of cross-equatorial northwest winds.

North of the confluent asymptote is a trough with northwest-southeast orientation and south of the confluent asymptote is the monsoon trough which lies over southern region to Milne Bay to southern Solomon Sea and extending further south-eastward.


Heavy rains are forecasted to occur over the area mentioned within the next 12/24 hours and may cause heavy flooding and possible landslides.

All affected communities are asked to take necessary precautions.


Source: PNG National Weather Service

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