Weather forecast for 5th December

Weather

December 05. 2008
© Météo France

General synopsis by December 5, 2008 at 00h

Low 982 hPa 50S 022W, moving southeast and deepening, expected 958 hPa 59S 051E by 06/00 utc, then 950 hPa 63S 057E by 06/12 utc. Associated trough extending north.

Low 956 hPa 67S 035E, moving southwest. Associated trough extending northeast soon.

Low 999 hPa 33S 031W, moving southeast, expected 999 hPa 38S 019W by 06/00 utc, then 1001 hPa 41S 010W by 06/12 UTC.

Low 993 hPa 38S 025W, moving southeast and deepening, expected 990 hPa 49S 002E by 06/00 utc, then 992 hPa 50S 010E by 06/12 utc.

Low 1013 hPa 36S 042E, moving southeast, expected 1008 hPa 35S 055E by 06/12 utc.

New low expected 974 hPa 54S 026W by 06/00 utc, expected 967 hPa 58S 017W by 06 à 12h UTC.


High 1024 hPa 33S 008E, with litle move. Associated ridge extending southeast.

High 1010 hPa 45S 001E, moving northeast and building, expected 1021 hPa 43S 028E by 06/00 utc, then 1023 hPa 42S 034E by 06/12 utc.

High 1027 hPa 44S 065E, moving southeast, expected 1028 hPa 42S 079E by 06/12 utc.

Weather forecast from December 5, 2008 at 9UTC to December 6, 2008 at 12UTC

South of TRINIDADE

in west: Cyclonic 25/30kt gusts 40/50 kt, becoming Southwesterly 15/20 kt later, decreasing South or Southwest 05/10kt at the end.

in east: Northwesterly 25/30kt gusts 40/50 kt, becoming cyclonic 10/20 kt at the end.

Sea rough or very rough. Thundersqualls with severe gusts.

 

Southwest of SAINTE HELENE

variable clockwise 10/15kt, locally North or North 20/25kt gusts 35/40kt in far southwest. Sea moderate or rough, locally very rough in far southwest. Showers.

 

West of TRISTAN

Cyclonic 25/35 kt gusts 40/45kt, decreasing West or Southwest 20/25kt later, becoming West or Northwest 25/30kt gusts 35/40kt at the end. Sea rough or very rough. Rain.

 

East of TRISTAN

Northwesterly 35/40kt gusts 50/60kt, locally Northwest 25/30 kt gusts 40/45 kt in far northest, becoming cyclonic 25/35 kt gusts 35/40 kt at the end. Sea very rough or high ( wave of 5 or 7 m ). Rain and thundersqualls.

 

North of WEDDEL

in west: Westerly 20/25kt, becoming West or Northwest 25/30kt gusts 40/45kt later, decreasing 20/25kt gusts 35/40 kt at the end.

in east: Variable clockwise 10/20kt, becoming quickly cyclonic 25/30kt gusts 40/50 kt, becoming West or Northwest 20/30kt gusts 40/50 kt at the end.

Sea rough or very rough. Rain and showers.

 

North of ESPERANCE

Westerly 15/25 kt, locally variable clockwise 5/15 kt in far north. Sea rough. Isolated thundersqualls.

 

South of ESPERANCE

in far west: Cyclonic 15/25kt gusts 30/35kt, increasing quickly Northwest 30/35 kt gusts 40/50 kt.

elsewhere: variable clockwise 5/15kt, becoming North or Northwest 20/25kt gusts 35/40kt later, increasing Northwest 25/30kt gusts 40/50kt at the end.

Sea very rough or high ( wave of 5 or 7m ). Sea becoming rough or very rough. Rain ou squalls.

 

North of BOUVET

in west: North or Northwest 15/25kt, becoming cyclonic 25/35kt gusts 45/55kt later, becoming Northwesterly 30/35 kt gusts 50/60kt at the end.

in east: Southwesterly 20/30kt gusts 35/45kt, becoming West or Northwest later, increasing Northwesterly 25/35kt gusts 40/50kt at the end.

Sea very rough or high ( wave of 5 or 7 m ). Rain or squalls.

 

MARION

in far north: Variable 5/15kt mainly Southwesterly. Sea moderate. Thundersqualls with gusts east.

Elsewhere: Northwesterly 30/40kt raf 50/60kt, backing West or Southwest 25/35kt gusts 40/45 soon, becoming Variable clockwise 10/25kt from west at the end. Sea very rough or high (wave 6 or 8m) decreasing.

 

North of NAPIER

Northwesterly 30/40 kt gusts 50/65kt, backing West or Southwest 30/40kt gusts 45/50 kt from west soon. Sea high (wave 7 or 9m) decreasing. Rain and showers.

Further outlook for next 24 hours

Strong wind warning (> 40 kt)

TRISTAN, northeast of WEDDEL, North of BOUVET: Northwesterly 40kt, gusts to 50/60kt.

 

High wave warning (> 6 m)

South of TRISTAN, north of WEDDEL, Southwest of ESPERANCE, North of BOUVET, south of MARION and north of NAPIER: wave of 6 to 7 m.


on Friday, December 5, 2008 at 07:47 UTC

Hervé Fortuny

Météo-France