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 1100 UTC 31 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 725 issued 310700UTC:
Over waters east of 160E and north of Ice Edge.
Low 948hPa near 55S161E moving southeast 35kt.
1. In a belt 300 nautical miles wide centred on a line 41S155E 46S162E 54S174E:
Clockwise 55kt. Storm area moving eastsoutheast 20kt.
2. Outside area 1 and within 240 nautical miles of low in northern semicircle:
Clockwise 55kt. Storm area moving southeast 35kt.
3. Outside areas 1 and 2 and within 360 nautical miles of low in sector from
west through north to southeast: Clockwise 40kt. Gale area moving southeast
35kt.
4. Outside areas 1 to 3 and within 240 nautical miles of low in sector from
southeast through southwest to west: Clockwise 35kt. Gale area moving southeast
35kt.

Melbourne Storm Force Wind Warning 6 issued 310807UTC:
Area bounded by 34S131E 34S135E 39S160E 49S160E 45S140E 45S131E 50S128E 50S120E
39S120E 34S131E.

 
Part 2 Situation at 0600 UTC
Refer to latest warnings.

Ridge 28S165E 32S170E, forecast weakened by 311800UTC.

Cold front 37S145E to low [1] 980 hPa near 44S151E to 50S168E. Forecast 34S150E
43S159E to low [1] 978 hPa near 48S158E to 50S165E at 311800UTC and 50S170E
40S160E 30S153E at 010600UTC.

Trough 39S127E 41S132E to low [2] 980 hPa near 44S132E to low [3] 970 hPa near
45S141E to 50S144E Forecast 35S138E to low [2] 994 hPa near 40S140E to low [3]
975 hPa near 45S148E to 50S160E at 311800UTC and 37S146E to low [3] 988 hPa near
45S154E to 48S160E at 010600UTC.
 
Part 3 Forecast
Refer to latest warnings.

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

Remainder east of trough outside warning area: 
W quarter winds tending clockwise within 180nm of low [3] and NW quarter east of
cold front also east of trough south from 44S. Wind speeds 20/30 knots grading
to 25/33 knots within 120nm of warning areas. Moderate to rough seas. Moderate
to heavy swell.

Remainder west of trough outside warning area:
SW quarter winds tending clockwise within 180nm of low [3]. Wind speed 20/30
knots with moderate to rough seas grading to 25/33 knots within 120nm of warning
area. Variable winds to 15 knots with slight seas within 240nm west of cold
front south from 47S. Heavy swell.

Scattered showers and isolated thunderstorms within 300nm of cold front, lows
and trough. Scattered showers remainder west of cold front and west of trough.
Visibility reducing below 2nm in precipitation.
 
WEATHER MELBOURNE
 
The next routine forecast will be issued at 2100  UTC 31 July 2014