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Official Bureau of Meteorology Forecast

HIGH SEAS FORECAST for SOUTHEASTERN AUSTRALIA

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 27 JULY 2014

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 6 issued 270743UTC:
Area bounded by 43S080E 36S116E 38S133E 43S146E 46S148E 50S147E 50S135E 47S125E
47S110E 50S110E 50S090E 47S080E 43S080E.

Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge [1] from 28S170E to high [1] 1024 hPa near 30S170E to 46S170E to high [2]
1024 hPa near 48S167E to 50S165E. Forecast east of 170E by 271800UTC.

Ridge [2] from 37S149E 44S154E to high [2] 1024 hPa near 48S167E. Forecast
32S152E 44S157E 49S164E 49S170E at 271800UTC and 28S156E 49S162E 49S170E at
280600UTC.

Cold front 32S129E 44S145E 50S145E. Forecast 33S134E 42S147E 45S155E 50S156E at
271800UTC and 38S145E 44S155E 50S161E at 280600UTC.

Trough [1] from 28S160E 39S163E to low [1] 1009 hPa near 40S160E to 43S154E.
Forecast 28S164E 38S164E to low [1] 1008 hPa near 43S160E to 44S158E at
271800UTC and 28S166E 39S166E to low 1001 hPa near 48S163E at 280600UTC.

Trough [2] developing near 47S129E 46S132E. Forecast 49S129E 50S138E at
271800UTC and 49S129E 50S138E at 280600UTC.

Part 3 Forecast
Refer to latest warnings.

Within 120nm of ridges, 180nm of highs and east of ridge [1]:
Variable winds to 20 knots. Slight to moderate seas. Low to moderate swell.

Remainder west of ridge [1] and north of ridge [2]:
SW quarter winds west of trough [1], turning N quarter east of trough [1] north
of low [1] and then NE quarter east of trough [1] south of low. Winds tending
clockwise within 240 nm of low. Wind speeds 10/20 knots west of trough [1],
increasing to 15/25 knots east of trough [1] and reaching 20/30 knots within
480nm southeast of trough south of 40S. Slight to moderate seas west of trough
[1], rising to moderate to rough east of trough [1]. Low to moderate swell.

Remainder west of ridge [1] and south of ridge [2], outside warning area:
NW quarter winds, turning E quarter directly south of trough [2]. Wind speeds
20/30 knots, increasing to 25/33 knots within 120nm of warning area. Moderate to
rough seas. Moderate to heavy swell.

Scattered showers and isolated thunderstorms within 360nm of lows, troughs and
cold front. Isolated showers remainder west of front. Visibility reducing below
2nm in precipitation.

WEATHER MELBOURNE

The next routine forecast will be issued at 2100 UTC 27 July 2014
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