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 1100 UTC 31 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 310622UTC:
Area bounded by 50S139E 47S135E 48S127E 44S127E 41S131E 40S141E 38S149E 41S152E
45S152E 50S149E 50S139E.

New Zealand Gale Warning 597 issued 310624UTC:
Over waters east of 160E.
Low 962hPa near 59S160E moving east 15kt.
In a belt 600 nautical miles wide centred on a line 52S160E 52S163E 51S170E:
Clockwise 35kt.
Gale area slow moving.

 
Part 2 Situation at 0600 UTC
Ridge [1] 28S163E to high 1020 hPa near 32S166E to 32S170E. Forecast 28S164E
31S167E to high 1022 hPa near 32S172E at 311800UTC and 28S164E 32S170E at
010600UTC.

Ridge [2] west of area, forecast near 35S129E 32S133E at 010001UTC and 36S129E
33S135E at 010600UTC.

Trough 35S140E 42S141E. Forecast 37S148E 39S150E 45S151E at 311800UTC and
merging with cold front [1] by 010600UTC.

Cold front [1] 34S129E 39S134E to low 980 hPa near 47S138E. Forecast 38S144E
45S147E 48S146E to low 970 hPa near 49S143E at 311800UTC and 34S151E 41S157E
50S159E with low 968 hPa near 49S147E at 010600UTC.

Cold front [2] 45S131E 50S132E, weakening by 311800UTC.

Warm front from low 980 hPa near 47S138E to 48S149E. Forecast from low 970 hPa
near 49S142E to 49S156E at 311800UTC and south of 50S at 010600UTC.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridges, 240nm of high, northeast of ridge [1] and northwest of
ridge [2]:
Variable winds below 20 knots. Slight to moderate seas. Moderate swell.

Remainder east of cold front and north of warm front, outside warning areas:
NW quarter winds tending anticlockwise within 720nm of high, W quarter west of
trough. Winds clockwise within 240nm of low, extending to within 600nm of low by
311800UTC. Wind speeds 15/25 knots north of 40S east from 160E, increasing to
20/33 knots elsewhere outside warning area and extending to within 480nm east of
cold front after 010001UTC. Moderate to rough seas. Moderate to heavy swell.

Remainder west of cold front and south of warm front, outside warning areas:
Clockwise winds within 300nm of low, extending to within 600nm of low by
311800UTC. E quarter winds south of warm front becoming SW quarter elsewhere.
Wind speeds 20/30 knots increasing to 25/33 knots within 120nm of warning areas.
Moderate to rough seas. Moderate swell.

Scattered showers and isolated thunderstorms within 180nm of fronts and trough.
Scattered showers remainder west of cold front [1] away from ridge [2].
Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2000  UTC 31 October 2014