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 2300 UTC 30 JULY 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 6 issued 302007UTC:
Area bounded by 34S121E 33S128E 34S135E 34S152E 40S160E 50S160E 50S142E 45S139E
45S131E 50S128E 50S109E 43S111E 34S121E.

Melbourne Gale Warning 1 issued 301945UTC:
Area bounded by 35S080E 36S094E 44S107E 50S109E 50S080E 35S080E.

 
Part 2 Situation at 1800 UTC
Refer to latest warnings.

Ridge [1] 29S090E to high 1032 hPa near 38S104E to 30S117E. Forecast 27S090E to
high 1030 hPa near 37S110E to 33S119E at 310600UTC and 27S091E to high 1028hPa
35S117E to 29S125E at 310600UTC.

Ridge [2] 50S101E to high 1032 hPa near 38S104E. Forecast 50S109E to high 1030
hPa near 37S110E at 310600UTC and 50S120E to high 1028hPa near 35S117E at
311800UTC.

Cold front [1] 32S123E 46S153E 50S152E. Forecast east of area by 310600UTC.

Cold front [2] 34S119E 38S127E to low [2] 974 hPa near 45S132E to 50S132E.
Forecast outside area by 310600UTC.

Trough [1] 43S111E 46S118E to low [3] 968 hPa near 50S124E. Forecast 37S121E
41S130E to low 979 hPa near 45S132E at 310600UTC and out of area by 311800UTC.

Trough [2] 32S078E 42S087E 50S090E. Forecast 30S081E 38S091E 50S096E at
310600UTC and near 30S090E 35S094E 44S101E 50S102E at 311800UTC.

Trough [3] approaching from west, forecast 34S079E 41S085E 42S086E 48S088E
50S088E at 310600UTC and near 32S084E 40S093E 50S095E at 311800UTC.


 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge [1], 240nm of high and 120nm of ridge [2]:
Variable winds to 20 knots. Slight to moderate seas. Moderate swell.

Remainder north of ridge [1]:
SE quarter winds 10/20 knots northeast of a line 12S105E 22S114E with slight to
moderate seas. SE quarter winds 15/25 knots remainder with moderate seas.
Moderate swell decreasing to low east of 120E.

Remainder south of ridge [1], east of ridge [2], outside warning area:
W quarter winds east of front [1], turning SW quarter west of front [1]. Wind
speeds 20/25 knots grading to 25/33 knots within 120nm of warning area. Rough
seas. Heavy swell.

Remainder south of ridge [1], west of ridge [2], outside warning area:
N quarter winds tending NW quarter west of trough [2]. Wind speeds 15/25 knots
grading to 25/33 knots within 120nm of warning area. Rough seas. Moderate to
heavy swell.

Rain areas, scattered showers and isolated thunderstorms within 240nm of fronts
and troughs. Scattered showers remainder south of ridge [1], east of ridge [2].
Visibility reducing below 2nm in precipitation.

 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0900  UTC 31 July 2014