Western Area High Seas Forecast

IDY10220
SECURITE
 
HIGH SEAS FORECAST FOR METAREA 10
WESTERN AREA: 12/30S 90/125E, 30/50S 80/129E
Issued by the Bureau of Meteorology Bureau National Operations Centre
FOR 24 HOURS COMMENCING 1100 UTC 18 SEPTEMBER 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 Storm Force Wind Warning 1 issued 180653UTC:
Within area bounded by 30S080E 37S088E 37S096E 30S089E 41S109E 50S120E 50S080E
30S080E.

 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge from 25S090E to high 1022 hPa near 26S102E to 40S129E is slow moving and
forecast 23S090E 24S101E 35S120E 34S129E at 190600UTC.

Cold front [1] 28S090E 39S107E 50S109E at 180600UTC. Forecast 34S116E 40S119E
50S120E at 181800UTC and 35S125E 50S131E at 190600UTC.

Cold front [2] 36S079E 42S086E 46S086E to low 959 hPa near 46S080E at 180600UTC.
Forecast 31S080E 41S097E 47S098E 48S093E to low 960 near 47S089E at 181800UTC
and  30S089E 46S107E 50S110E 52S100E to low 962 hPa near 49S096E at 190600UTC.

 
Part 3 Forecast
Refer to latest warnings.

Within 240nm of highs, 120nm of ridge and north of 20S east from 115E: 
Variable winds below 20 knots, increasing to N quarter 15/25 knots east of 120E.
Slight to moderate seas. Moderate swell.

Remainder north of ridge: 
E quarter winds 10/20 knots. Moderate seas. Moderate swell.

Remainder south of ridge and east of cold front [1], outside warning areas:
N quarter winds 20/30 knots, reaching 25/33 knots within 180nm of warning areas.
Moderate to rough seas. Moderate to heavy swell.

Remainder south of ridge and west of cold front [1], outside warning areas:
NW quarter winds, turning SW quarter west of cold front [2] and within 300nm
west of cold front [1]. Winds tending clockwise within 600nm of low. Wind speeds
20/30 knots, increasing to 25/33 knots within 180nm of warning areas. Moderate
to rough seas. Heavy swell.

Scattered showers and isolated thunderstorms within 420nm of cold fronts/lows
and remainder west of cold front [2]. Isolated showers remainder south of ridge.
Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2100  UTC 18 September 2014