South Eastern Area High Seas Forecast

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 2300 UTC 30 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
New Zealand Storm Warning 712 issued 301800UTC:
Over waters east of 160E.
Low 950hPa near 51S 150E moving eastsoutheast 40kt.
1. Within 180 nautical miles of low in sector from west through north to
southeast: Clockwise 50kt.
2. Outside area 1 and within 360 nautical miles of low in sector from west
through north to southeast: Clockwise 35kt.
3. Outside areas 1 and 2 and within 300 nautical miles of low in sector from
southeast through southwest to west: Clockwise 35kt developing next 6-12 hours.
Storm and gale areas moving with low.

New Zealand Gale Warning 715 issued 301800UTC:
In a belt 120 nautical miles wide centred on a line 41S 174E 42S 175E 43S 176E:
Northwest 40kt at times.
Gale area slow moving.

New Zealand Gale Warning 716 issued 301800UTC:
Over waters east of 160E.
In an area bounded by 43S 160E 44S 166E 52S 174E 49S 160E 43S 160E: Northwest
40kt at times.
Gale area slow moving.

Melbourne Storm Force Wind Warning 6 issued 302007UTC:
Area bounded by 34S121E 33S128E 34S135E 34S152E 40S160E 50S160E 50S142E 45S139E
45S131E 50S128E 50S109E 43S111E 34S121E.

 
Part 2 Situation at 1800 UTC
Refer to latest warnings.

Slow moving ridge 21S148E 26S161E 32S170E.

Cold front [1 32S123E 47S155E 50S153E. Forecast 35S142E 44S152E 50S168E at
310600UTC and 34S149E 40S157E 45S163E 50S169E at 311800UTC.

Cold front [2] 34S119E 38S127E to low [1] 974 hPa near 45S132E to 50S132E.
Forecast 36S141E 44S145E to low [1] 970 hPa near 46S141E to 50S143E at 310600UTC
and 35S141E 44S150E to low [1] 975hPa 47S150E to 48S159E 50S165E.

Trough 37S121E 41S130E to low [2] 974hPa near 44S132E at 310600UTC. Forecast to
weaken by 311800UTC.


 
Part 3 Forecast
Refer to latest warnings.

Within 180nm of ridge and also northeast of ridge:
Variable winds to 15 knots. Slight to moderate seas. Low to moderate swell.

Remainder east of cold front [1] outside warning area: 
NW quarter winds 20/25 knots grading to 25/33 knots within 120nm of warning
areas. Moderate to rough seas. Moderate to heavy swell.

Remainder west of cold front [1] outside warning area:
Westerly quarter winds becoming southerly quarter by 311800UTC. Clockwise winds
within 180nm of lows. Wind speed 20/25 knots grading to 25/33 knots within 120nm
of warning areas. Seas rough to very rough with heavy swell.

Scattered showers and isolated thunderstorms within 300nm of fronts, lows and
trough. Scattered showers remainder west of front [1]. Visibility reducing below
2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 0900  UTC 31 July 2014