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 National Meteorological and Oceanographic
Centre
FOR 24 HOURS COMMENCING 1100 UTC 19 APRIL 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
Perth Hurricane Force Wind Warning issued 190707UTC: 
Area affected within 90nm of tropical cyclone centre.

Melbourne Storm Force Wind Warning 2 issued 190711UTC:
Area bounded by 50S127E 48S127E 45S138E 47S149E 50S150E 50S127E.
 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

At 190600UTC Tropical Cyclone Jack was centred within 30nm of 13.2S090.9E.
Recent movement: southwest at 4 knots. Maximum winds: 50 knots. Central
pressure: 988 hPa. Forecast maximum winds to 50 knots near the centre increasing
to 65 knots by 200600UTC.

Ridge 37S080E 36S120E 34S129E. Forecast 40S080E 40S110E 37S129E at 191800UTC,
and from 38S080E to high 1028 hPa near 38S085E to 37S104E 41S129E at 200600UTC.

Cold front 37S119E 44S131E 50S135E and then moving east out of the area.
 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge:
Variable winds below 20 knots. Slight to moderate seas. Moderate to heavy swell.

Remainder north of ridge outside warning area:
Variable winds below 20 knots east of a line 12S105E 23S114E and east of 120E
south from 30S. SE quarter winds 15/25 knots elsewhere reaching 20/30 knots at
times north of 22S west of 100E and tending clockwise 25/33 knots within 240nm
of tropical cyclone outside warning area. Winds easing to 10/20 knots south of
30S. Moderate to rough seas. Moderate to heavy swell decreasing to low to
moderate north of 30S.

Remainder south of ridge outside warning area:
NW quarter winds east of cold front. SW quarter winds within 480nm west of cold
front tending westerly quarter elsewhere. Wind speeds 15/25 knots grading to
20/33 knots elsewhere at times south from 44S. Winds 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 cold front and
trough. Isolated showers and thunderstorms north of 21S becoming more widespread
within 240nm of tropical cyclone. Isolated showers remainder south of ridge.
Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2200  UTC 19 April 2014