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 19 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 Gale Warning 4 issued 190715UTC:
Area bounded by 43S152E 40S153E 36S155E 35S160E 37S160E 38S158E 43S154E 43S153E.
New Zealand Gale Warning 586 issued at 190600UTC:
Low 996hPa near 44S 162E moving north 25kt.
In a belt 180 nautical miles wide centred on a line 36S 160E 36S 162E 36S 163E:
Clockwise 35kt developing next 6-12 hours.
Part 2 Situation at 0600 UTC
Refer to latest warnings.
Trough [1] from Low [1] 999 hPa 43S157E to low [2] 998 hPa near 44S165E to
44S170E. Forecast low [1] 996 hPa near 40S165E to 40S170E at 200600UTC.
Trough [2] 37S138E 45S135E 50S134E. Forecast 37S147E to low [3] 1007 hPa near
46S141E to 50S140E at 200600UTC.
Ridge [1] 38S144E 45S145E 50S150E. Forecast 28S148E 42S150E to high 1014 hPa
near 48S152E 50S154E at 200600UTC.
Ridge [2] near 39S129E 38S144E. Forecast 39S129E to high 1016 hPa 40S132E
28S148E at 200600UTC.
Part 3 Forecast
Refer to latest warnings.
Within 180nm of ridges and within 240 nm of highs:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.
Remainder east of ridge [1]:
Southerly quarter winds tending westerly quarter north of trough [1], turning
clockwise within 360 nm of lows and easterly quarter south of trough [1]. Wind
speeds 20/30 knots increasing to 25/33 knots within 120nm of warning area.
Moderate to rough seas. Moderate swell.
Remainder west of ridge [1]:
Variable winds below 25 knots tending clockwise 20/30 knots within 240nm of low
[2]. Northerly quarter winds 20/30 knots shifting southwest quarter 15/25 knots
west of front. Moderate to rough seas. Moderate swell.
Rain areas, scattered showers and isolated thunderstorms within 240nm of troughs
and within 360nm of lows. Isolated showers remainder east of ridge [1].
Visibility below 2nm in precipitation.
WEATHER MELBOURNE
The next routine forecast will be issued at 2200 UTC 19 May 2013
