Western Area High Seas Forecast

IDY10220
SECURITE

High Seas Forecast for Western Metarea 10
WESTERN AREA: 12/30S 90/125E, 30/50S 80/129E
Issued by the Australian Government Bureau of Meteorology, BNOC
For 24 hours commencing 1100 UTC 22 November 2014

PLEASE BE AWARE
Wind gusts can be a further 40 percent stronger than the averages given here,
and maximum waves may be up to twice the height.

Part 1 Warnings
Melbourne Gale Warning 1 issued 220606UTC:
Area bounded by 46S080E 47S086E 50S091E 50S080E 46S080E.

Melbourne Gale Warning 2 issued 220608UTC:
Area bounded by 49S104E 45S104E 41S111E 45S111E 49S105E 49S104E.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] 32S080E to high [1] 1028 hPa near 35S088E to 30S115E. Forecast
31S080E to high [1] 1027 hPa near 35S091E to 31S117E at 221800UTC and 30S080E
to high [1] 1027 hPa near 34S094E to 34S119E at 230600UTC.

Ridge [2] from high [1] to 44S095E 50S094E. Forecast from high [1] to 39S098E
45S102E 50S103E at 221800UTC and from high [1] to 41S110E 50S112E at 230600UTC.

Front [1] 38S113E 42S117E to low 991 hPa near 45S116E. Forecast 35S117E 39S123E
to low 990 hPa near 45S125E at 221800UTC and 35S129E 42S133E to low 991 hPa
near 47S130E at 230600UTC.

Front [2] approaching far southwest of area and forecast 41S080E 50S092E at
221800UTC and 37S080E 50S104E at 230600UTC.

Part 3 Forecast
Within 120nm of ridges, 180nm of high and east of a line 12S115E 22S115E:
Variable winds below 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder north of ridge [1]:
S quarter winds tending SE quarter west of 110E. Wind speeds 10/20 knots,
reaching 25 knots at times east of 112E. Slight to moderate seas. Low to
moderate swell.

Remainder south of ridge [1] and east of ridge [2] outside warning area:
Variable winds below 20 knots north of 35S, east of 124E with slight to
moderate seas. SW quarter winds remainder tending NW quarter east of front [1].
Wind speeds 15/25 knots within 240nm of ridges increasing to 20/30 knots
elsewhere and 25/33 knots within 120nm of warning area. Moderate to rough seas.
Moderate to heavy swell.

Remainder south of ridge [1] and west of ridge [2] outside warning area:
NW quarter winds tending W quarter west of front [2]. Wind speeds 15/25 knots
within 300nm of ridge [2] and north of 42S, extending to north of 45S after
221800UTC. Winds 20/30 knots over the remainder increasing to 25/33 knots
within 120nm of warning area. Moderate to rough seas. Moderate to heavy swell.

Scattered showers and isolated thunderstorms within 180nm of fronts. Isolated
to scattered showers remainder south of ridge [1] and away from ridge [2].
Visibility reducing below 2nm in precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 20:00 UTC Saturday.