South Eastern Area High Seas Forecast

IDY10210
SECURITE
 
HIGH SEAS FORECAST FOR METAREA 10
SOUTHEASTERN AREA: 28S/50S, 129E/170E
Issued by the Bureau of Meteorology Bureau National Operations Centre
FOR 24 HOURS COMMENCING 2300 UTC 30 OCTOBER 2014
 
PLEASE BE AWARE 
Wind gusts can be 40 percent stronger than the averages given here, and maximum
waves may be up to twice the height.

 
Part 1 Warnings
Melbourne Gale Warning 3 issued 301849UTC:
Area bounded by 50S116E 45S121E 41S131E 40S140E 46S143E 50S143E 50S142E 46S140E
50S137E 50S116E.

New Zealand Gale Warning 589 issued 301809UTC:
At 301800UTC over waters east of 160E. Low 957hPa near 59S154E moving east 15kt.
In a belt 540 nautical miles wide centred on a line 54S148E 52S153E 51S166E:
Clockwise 35kt. Gale area moving ESE 15kt.

 
Part 2 Situation at 1800 UTC
Ridge 28S162E to high 1020 hPa near 31S166E to 31S170E. Forecast 28S163E to high
1020 hPa near 31S166E to 32S170E at 310600UTC and 28S164E 31S167E 32S170E at
311800UTC.

Trough 31S130E 41S134E. Forecast 35S140E 42S141E at 310600UTC and 37S149E
42S151E at 311800UTC.

Cold front [1] 42S129E to low 990 hPa near 45S133E. Forecast 34S129E 39S135E to
low 980 hPa near 47S138E at 310600UTC and 38S144E 45S147E 48S146E to low 970 hPa
near 49S142E at 311800UTC.

Cold front [2] 43S122E 47S124E 50S124E. Forecast 45S131E 50S132E at 310600UTC
and weakening by 311800UTC.

Warm front from low 990 hPa near 45S133E to 47S142E. Forecast from low 980 hPa
near 47S138E to 48S149E at 310600UTC and from low 970 hPa near 49S142E to
49S156E at 311800UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge and northeast of ridge:
Variable winds below 20 knots. Slight to moderate seas. Moderate swell.

Remainder east of 150E outside warning area:
W quarter winds tending N quarter north of 45S west from 160E and NW quarter
south of 45S west from 160E until 311200UTC. NW quarter winds throughout after
311200UTC tending W quarter west of trough and E quarter south of warm front
after 311800UTC. Wind speeds 15/25 knots increasing to 20/33 knots south of 45S
outside warning area until 310900UTC. After 310900UTC wind speeds 15/25 knots
north of 40S east from 160E increasing to 20/33 knots elsewhere outside warning
area. Moderate to rough seas. Moderate to heavy swell.

Remainder west 150E outside warning area:
Clockwise winds within 240nm of low. NW quarter winds remainder east of cold
front [1] tending W quarter between cold front [1] and trough and E quarter
south of warm front. SW quarter winds west of cold front [1] tending NW quarter
within 180nm east of cold front [2] south from 46S. Wind speeds 15/25 knots east
of 140E north from 42S until 310600UTC increasing to 20/33 knots after
310600UTC. Wind speeds 20/33 knots elsewhere outside warning area. Moderate to
rough seas. Moderate swell.

Scattered showers and isolated thunderstorms within 180nm of fronts and trough.
Scattered to isolated showers remainder west of cold front [1]. Visibility
reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0800  UTC 31 October 2014