IDY10210
SECURITE
HIGH SEAS FORECAST FOR METAREA 10
SOUTHEASTERN AREA: 28S/50S, 129E/170E
Issued by the Bureau of Meteorology National Meteorological and Oceanographic
Centre
FOR 24 HOURS COMMENCING 1100 UTC 25 MAY 2013
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 Final Gale Warning 1 issued 250704UTC:
Area bounded by 33S160E 31S157E 28S156E 28S160E 33S160E.
Melbourne Gale Warning 2 issued 250704UTC:
Area bounded by 50S138E 43S143E 43S146E 42S148E 41S160E 50S160E 50S138E.
New Zealand Gale Warning 805 issued 250801UTC:
Area bounded by 35S160E 30S160E 34S164E 36S164E 35S160E.
Southeast 35 knots easing next 6-12 hours. Gale area moving north 15kt.
New Zealand Gale Warning 804 issued 250801UTC:
Over waters east of 160E.
In a belt 420nm wide centred on a line 44S160E 44S163E 45S168E.
Westerly 40 knots developing next 6-12 hours.
New Zealand Gale Warning 806 issued 250801UTC:
Over waters east of 160E.
Low 966hPa near 52S 159E moving eastsoutheast 25kt.
In a belt 420nm wide centred on a line 46S152E 46S161E 50S173E.
Clockwise 40 knots. Gale area moving southeast 35kt.
Part 2 Situation at 0600 UTC
Refer to latest warnings.
Ridge [1] 36S129E to high 1030hPa near 34S133E 34S147E 41S170E. Forecast 42S129E
to high 1030 hPa near 37S135E 33S149E 33S170E at 260600UTC.
Ridge [2] developing from high 1030 hPa near 34S133E to 50S135E by 260600UTC.
Trough 28S161E 34S165E to low 1005 hPa near 36S168E 37S170E. Forecast 28S168E
30S170E at 260600UTC.
Cold front 40S160E 45S165E 50S167E. Moving east at 40 knots, forecast east of
area by 251800UTC.
Part 3 Forecast
Refer to latest warnings.
Within 180nm of ridges and 240nm of high centre:
Variable winds to 20 knots. Slight to moderate seas. Low to moderate swell.
North of ridge, outside warning areas:
Northwesterly quarter winds 15/25 knots east of trough, tending clockwise 15/25
knots within 180 nm of low, shifting southerly quarter 20/30 knots west of
trough and east of 150E. Wind speeds increasing to 25/33 knots within 120nm of
warning areas. Winds tending northeast quarter 10/20 knots remainder west of
150E. Moderate to rough seas. Moderate swell, increasing moderate to heavy west
of trough and east of 150E.
Remainder south of ridge, outside warning areas:
Northwesterly winds 15/25 knots east of cold front, shifting southwesterly
quarter 20/30 knots west of cold front. Wind speeds increasing to 25/33 knots
within 120nm of warning areas. Winds then tending northwesterly quarter 15/25
knots west of ridge [2] by 260600UTC. Moderate to rough seas. Moderate to heavy
swell.
Rain areas, scattered showers and isolated thunderstorms within 300nm of low and
240nm of trough and cold front. Isolated showers remainder away from ridges,
tending scattered south of 45S. Visibility below 2nm in precipitation.
WEATHER MELBOURNE
The next routine forecast will be issued at 2200 UTC 25 May 2013
