GMDSS_METAREA10-W_INMARSAT
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WOAU05 APRF 041138
40:3:1:31:10:11:00
IDW21100
SECURITE
HIGH SEAS WEATHER WARNING FOR METAREA 10
ISSUED BY THE AUSTRALIAN BUREAU OF METEOROLOGY, PERTH
AT  1130UTC 4 JULY 2009

Storm Force Wind Warning FOR THE WESTERN AREA
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.
SITUATION AT 1100UTC
Low 976hPa near 49S087E, expected near 46S089E at 042100UTC and near 50S100E at
051100UTC. Cold front near 30S085E 40S095E 40S095E 50S096E at 1100UTC, expected
near 30S100E 40S100E 50S098E at 052100UTC and near 35S105E 40S108E 50S105E at
051100UTC.

AREA AFFECTED
South of a line 43S080E 44S089E 50S092E at 041100UTC, moving to south of a line
35S080E 31S100E 33S110E 50S108E after 042100UTC and south of a line 44S080E
34S090E 33S110E 50S115E after 051100UTC.

FORECAST
N'ly winds 25/35 knots east of front increasing to 30/40 knots after 041800UTC.
Winds shifting NW/SW'ly 15/25 knots west of front. Winds within 400nm of low
tending clockwise around low centre 30/40 knots, increasing to 40/50 knots in
western semicircle south of 39S. Very rough to high seas moderate to heavy
swell.

WEATHER PERTH
NNNN

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FQAU23 APRF 041130
IDW11900

UPDATED 
SECURITE

HIGH SEAS FORECAST FOR METAREA 10
WESTERN AREA 12/30S 90/125E, 30/50S 80/129E
ISSUED BY THE AUSTRALIAN BUREAU OF METEOROLOGY, PERTH 

FOR 24 HOURS COMMENCING 1100UTC 4 JULY 2009

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
Storm Force Wind Warning south of a line 43S080E 44S089E 50S092E at 041100UTC,
moving to south of a line 35S080E 31S100E 33S110E 50S108E after 042100UTC and
south of a line 44S080E 34S090E 33S110E 50S115E after 051100UTC. 

PART 2  SITUATION AT 0900UTC
Refer to latest warning.
Ridge 20S080E to 22S110E to 30S120E 38S125E 40S129E.

PART 3  FORECAST
Within 120nm of ridge:
variable winds to 15 knots slight to moderate seas low to moderate swell.
Remainder north of ridge:
E/SE winds 10/20 knots tending NE 10/20 knots west of 105E moderate seas low to
moderate swell. Squalls to 35 knots possible near thunderstorms north of 20S. 
Remainder south of ridge, outside warning area:
NW/NE winds 15/25 knots increasing to 25/33 knots within 120nm of warning area
moderate to rough seas low to moderate swell.  

WEATHER PERTH

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