High Seas Forecast for Metarea 10

south eastern area 28s/50s, 129e/170e.

Issued by the Bureau of Meteorology Melbourne

for 24 hours commencing 2300 UTC 20 November 2009

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

Adelaide Gale Warning issued 201918utc:

area bounded by 42s129e 43s132e 47s141e 50s141e 50s129e 42s129e.

Melbourne final Gale Warning issued 201859utc:

area bounded by 50s154e 48s157e 48s160e 50s160e 50s154e.

New Zealand Storm Warning 306 issued 201800utc:

over waters east of 160e and north of ice edge.

Low 962hpa near 55s166e moving east 25kt.

1. In an area bounded by 48s160e 49s170e 52s176e 56s178e 57s160e 48s160e:

clockwise 50kt. Storm area slow moving.

2. Outside area 1 and within 600 miles of low in sector from southwest through

northwest to east: clockwise 40kt. Gale area moving east 25kt.

3. Outside areas 1 and 2 and within 480 miles of low in sector from east through

south to southwest: clockwise 40kt. Gale area moving east 25kt.

Part 2 situation at 1800 UTC

ridge [1] 28s155e to high 1020 hpa 32s167e to 33s170e. Forecast near 28s158e

32s170e at 210600utc and 28s162e 30s170e at 211800utc.

Ridge [2] 40s129e 43s152e 50s146e. Forecast near 35s129e to high 1011 hpa

45s156e to 50s155e at 210600utc and 36s129e to high 1014 hpa 50s166e to 45s170e

at 211800utc.

Cold front/trough [1] 39s150e 46s165e 50s170e. Forecast near 34s151e 42s170e at

210600utc and low 998 hpa 38s136e to 40s170e at 211800utc.

Cold front [2] 40s116e 50s133e. Forecast near 38s129e 50s140e at 210600utc and

38s143e 50s146e at 211800utc.

Cold front [3] forecast near 42s122e 50s123e at 210600utc and 40s132e 50s132e at

211800utc.

Part 3 forecast

within 180nm of ridges and 240nm of highs:

variable winds to 15 knots, increasing to 20 knots at times near ridge [2].

Slight to moderate seas and low to moderate swell.

Remainder west of ridge [1], northeast of trough/front [1] and outside warning

areas:

northwesterly quarter winds, tending clockwise within 360 nm of low. Wind speed

15/25 knots east of 160e and increasing to 20/30 knots west of 160e. Moderate to

rough seas and low to moderate swell.

Remainder west of trough/front [1], east of ridge [2] and outside warning areas:

southwesterly quarter winds, tending southerly quarter north of 44s. Wind speed

15/25 knots, increasing to 25/33 knots within 120nm of warning area. Moderate to

rough seas and moderate to heavy swell.

Remainder southwest of ridge [2], east of front [2] and outside warning area:

northerly quarter winds 20/30 knots, increasing 25/33 knots within 120nm of

warning area. Moderate to rough seas and moderate swell.

Remainder west of front [2] and outside warning area:

westerly quarter winds, turning northwesterly quarter within 240 nm east of

front [3]. Wind speed 15/25 knots, increasing to 25/33 knots within 240 nm east

of front [3] and 120 nm of warning area. Moderate to rough seas and moderate to

heavy swell.

Scattered showers and thunderstorms within 240 nm of front/trough [1] and west

of front [3] reducing visibility to less than 2 nm. Isolated showers elsewhere

south of 40s reducing visibility to less than 3 nm.

Icebergs were sighted approximately 280km se of Auckland island on 18 November

2009 drifting slowly but exact movement not known. Berg estimated at 500-800m in

length.

Weather Melbourne