Floods and mon­soons

Port Douglas & Mossman Gazette - - NEWS - An­gelique Pat­ter­son

FLOOD warn­ings are still in place for Dain­tree and Moss­man rivers, af­ter ex­pected heavy rains last night over the Dain­tree river catch­ment.

The of­fi­cer-in-charge of the Cairns Bureau of Me­te­o­rol­ogy of­fice, Greg Con­nor, said it is a mi­nor flood warn­ing and the fi­nal one with lev­els slowly eas­ing be­low the flood lev­els.

‘‘At this stage we are not an­tic­i­pat­ing floods warn­ings to con­tinue over the week­end, how­ever, the sit­u­a­tion could change depend­ing on the amount of rain­fall (from last night) so keep a watch on the sit­u­a­tion,’’ Mr Con­nor said.

‘‘Over the next three days for your area (Dou­glas) we are ex­pect­ing mostly mod­er­ate falls.’’

Mr Con­nor said the rea­son for the mon­soonal trough was be­cause of the ex-trop­i­cal cy­clone Fletcher sit­u­ated in the Gulf.

‘‘Even though the cur­rent ma­jor low sys­tems are a long way from the Dain­tree area, it has an in­di­rect effect from the ex-cy­clone Fletcher, which is drag­ging lots of mois­ture in over the eastern trop­ics caus­ing in­creased rain­falls,’’ he said.

‘‘Be­cause the mon­soon trough is so ac­tive there are a num­ber of small lows near the ma­jor sys­tems and when you get lows near to each other they tend to ro­tate around each other and some­times they do merge.

‘‘Re­ports of ‘ Su­per cy­clones’ are un­war­ranted, we be­lieve these sys­tems in the Gulf will stay rel­a­tively weak even though it’s bring­ing high lev­els of rain­fall.’’

Mr Con­nor said while this is an ac­tive phase of a mon­soonal trough, the Bureau of Me­te­o­rol­ogy are pre­dict­ing there will be more troughs and it will not be the last this sum­mer.

‘‘Mon­soonal troughs tend to oc­cur ev­ery 30-40 days, so we are ex­pect­ing at least an­other surge of the mon­soon in late March,’’ he said.

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