weather bulletin for shipping - Metarea 6-
09:00 UTC febrary 11, 2012
National Weather Service
part one: Gale Warning
strong baric gradient at 55 S 60 W 55 S 80 W and moving to east
to 20 kts provokes gale from west on northern portion of Drake
Strait
-----------------------------------------------------------------
part two: synoptic situation at 09:00 UTC, febrary/11/2012
high 1029 hpa at 43 S 25 W moving east at 10 kts extends ridge
at 45 S 30 W 46 S 40 W 44 S 50 W moving east at 10 kts
cold front at 55 S 20 W 53 S 28 W 51 S 40 W moving east at 20
kts
ridge at 51 S 48 W 57 S 48 W 64 S 50 W moving east at 20 kts
low 1000 hpa at 50 S 70 W deeppening moving southeast at 20 kts
extends cold front at 50 S 69 W 48 S 65 W 45 S 67 W 42 S 70 W
moving east at 20 kts
warm front at 50 S 69 W 51 S 64 W 51 S 60 W moving southeast at
20 kts
high 1016 hpa at 32 S 60 W weakening moving east at 15 kts
low 1004 hpa at 37 S 49 W moving southeast at 10 kts extends
occluded front at 35 S 51 W 38 S 51 W 40 S 48 W 39 S 43 W
low 1008 hpa at 40 S 43 W moving southeast at 10 kts extends
cold front at 40 S 43 W 27 S 45 W 22 S 50 W moving east at 10
kts
-----------------------------------------------------------------
parth three: forecast issued 12:00 UTC febrary 11,2012 valid
until 06:00 UTC febrary 12,2012
1- coastal areas:
outer Rio de la Plata: gentle to moderate breeze from sector
west veering to north/ fair sky/ fog and mist in patches
breaking up/ visibility moderate to good.
Inner Rio de la Plata: variable gentle breeze afterwards from
sector north/ clear sky/ fog and mist in patches/ visibility
moderate to good.
Islas Malvinas coasts: fresh to moderate breeze from sector
north changing to strong to gale from southwest/ gusts as from
daybreak/ variably cloudy/ worsening/ possible precipitation/
visibility poor to moderate.
36 17'23'' S a 38 s: variable gentle breeze afterwards moderate
to fresh breeze from sector north/ fair sky/ fog and mist in
patches breaking up/ visibility moderate to good.
38 S a 40 s: moderate breeze to strong breeze from sector north/
gusts as from afternoon/ fair sky/ visbility good to moderate.
40 S a 43 s: moderate breeze to strong breeze from northwest/
gusts veering to southwest increasing/ near gale variably
cloudy/ visbility good to moderate.
43 S a 46 s: moderate breeze to near gale from sector west/
gusts veering to sector south as from daybreak/ variably cloudy/
possible isolated rain/ improving/ visibility poor to moderate.
46 S a 50 s: moderate to fresh breeze from sector north changing
to strong to near gale from sector south/ gusts/ variably
cloudy/ possible precipitation/ speels of good weather/
visbility good to moderate.
50 S a 52 s: variable moderate breeze changing to fresh to near
gale from southwest/ gusts as from daybreak/ variably cloudy/
worsening/ possible precipitation/ visibility moderate to poor.
52 S a 55 s: moderate breeze to strong breeze from sector north
changing to near gale from sector west/ gusts/ cloudy increase/
worsening/ possible showers and storms during the night/
visibility good/ visibility poor.
-----------------------------------------------------------------
2- oceanic areas
35 S 20 W 40 S 20 W 40 S 32 W 35 S 32 W 35 S 20 W :moderate to
fresh breeze from sector east veering to north/ variably cloudy/
possible rain/ isolated drizzle/ improving/ visibility moderate
to good.
35 S 32 W 40 S 32 W 40 S 40 W 35 S 40 W 35 S 32 W :fresh to
strong breeze from northeast veering to north/ gusts/ variably
cloudy/ possible precipitation/ visibility moderate/
occasionally/ visibility poor.
35 S 40 W 38 S 40 W 38 S 45 W 35 S 45 W 35 S 40 W :fresh breeze
from sector north veering to west by the end of the forecast
period/ variably cloudy/ possible precipitation/ visibility
moderate/ occasionally/ visibility poor.
35 S 40 W 38 S 40 W 38 S 45 W 35 S 45 W 35 S 40 W :fresh breeze
from sector north veering to west by the end of the forecast
period/ variably cloudy/ possible precipitation/ visibility
moderate/ occasionally/ visibility poor.
35 S 45 W 40 S 45 W 40 S 50 W 35 S 50 W 35 S 45 W :strong to
fresh breeze from sector south/ gusts veering to west by the end
of the forecast period decreasing/ variably cloudy/ possible
showers/ improving/ visibility poor to moderate.
40 S 20 W 45 S 20 W 45 S 28 W 40 S 28 W 40 S 20 W :variable
gentle breeze afterwards fresh breeze from sector north/
variably cloudy/ fog and mist in patches breaking up/ visibility
poor to moderate.
40 S 28 W 45 S 28 W 45 S 40 W 40 S 40 W 40 S 28 W :fresh to
strong breeze from sector east veering to sector north/ gusts/
variably cloudy/ possible precipitation/ visibility moderate to
poor.
40 S 40 W 43 S 40 W 43 S 50 W 40 S 50 W 40 S 40 W :strong to
fresh breeze from sector east/ gusts changing to moderate
variable/ overcast/ possible precipitation/ visibility poor.
40 S 50 W 45 S 50 W 45 S 55 W 40 S 55 W 40 S 50 W :fresh breeze
changing to moderate variable afterwards from sector west/
variably cloudy/ possible isolated showers/ improving/
visibility moderate to good.
40 S 55 W 45 S 55 W 45 S 60 W 40 S 60 W 40 S 55 W :moderate
breeze to strong breeze from sector north/ fair sky to partly
cloudy/ unstable by the end of the forecast period/ visibility
good.
45 S 20 W 48 S 20 W 48 S 30 W 45 S 30 W 45 S 20 W :fresh to
strong breeze from sector west decreasing variable moderate
breeze/ cloudy/ fair sky to partly cloudy/ visbility good to
moderate.
45 S 30 W 48 S 30 W 48 S 40 W 45 S 40 W 45 S 30 W :fresh breeze
from northwest veering to sector east increasing/ fair sky to
partly cloudy/ worsening/ possible precipitation/ visbility good
to moderate.
43 S 40 W 48 S 40 W 48 S 50 W 43 S 50 W 43 S 40 W :moderate to
fresh breeze from sector west changing to sector east/ variably
cloudy/ worsening/ possible precipitation/ visbility good to
moderate.
45 S 50 W 50 S 50 W 50 S 55 W 45 S 55 W 45 S 50 W :variable
moderate breeze changing to fresh/ near gale from sector north/
gusts as from nightfall/ variably cloudy/ mist/ worsening/
possible precipitation/ visibility moderate to poor.
45 S 55 W 50 S 55 W 50 S 60 W 45 S 60 W 45 S 55 W :fresh to
strong breeze from sector north/ gusts veering to sector west
increasing/ variably cloudy/ worsening/ possible precipitation/
visibility moderate to poor.
48 S 20 W 53 S 20 W 53 S 35 W 48 S 35 W 48 S 20 W :near gale to
moderate breeze from sector west/ gusts veering to sector north
as from daybreak/ variably cloudy/ possible precipitation/
improving afterwards fog and mist in patches/ visibility poor to
moderate.
48 S 35 W 53 S 35 W 53 S 45 W 48 S 45 W 48 S 35 W :strong breeze
to moderate breeze from sector west veering to sector north
increasing fresh breeze/ variably cloudy/ possible isolated
precipitation/ speels of good weather/ mist/ visibility
moderate.
48 S 45 W 55 S 45 W 55 S 50 W 48 S 50 W 48 S 45 W :gentle to
moderate breeze afterwards variable gentle breeze changing to
fresh to strong from sector west/ variably cloudy/ fog and mist
in patches/ isolated drizzle/ visibility moderate.
50 S 50 W 55 S 50 W 55 S 55 W 50 S 55 W 50 S 50 W :moderate
breeze to strong breeze from sector west/ gusts/ fair sky to
partly cloudy/ worsening/ possible precipitation/ visbility good
to moderate.
53 S 20 W 60 S 20 W 60 S 30 W 53 S 30 W 53 S 20 W :strong breeze
from sector west/ gusts decreasing fresh breeze from northwest/
possible precipitation/ speels of good weather/ visibility
moderate to good.
53 S 30 W 60 S 30 W 60 S 35 W 53 S 35 W 53 S 30 W :strong breeze
to moderate breeze from sector west veering to north increasing/
variably cloudy/ possible precipitation/ speels of good weather
as from afternoon/ visibility moderate to good.
53 S 35 W 57 S 35 W 57 S 45 W 53 S 45 W 53 S 35 W :moderate to
fresh breeze from sector west veering to north increasing strong
breeze as from daybreak/ variably cloudy/ possible fog and mist
in patches afterwards precipitation/ visibility moderate to
poor.
57 S 35 W 60 S 35 W 60 S 45 W 57 S 45 W 57 S 35 W :strong breeze
from sector west/ gusts veering to west/ variably cloudy/
worsening/ possible precipitation/ visbility good to moderate.
55 S 50 W 60 S 50 W 60 S 62 W 55 S 62 W 55 S 50 W :strong to
fresh breeze from northwest/ gusts changing to southwest/
variably cloudy/ unstable/ visibility moderate.
55 S 62 W 60 S 62 W 60 S 67 W 55 S 67 W 55 S 62 W :gale from
sector north/ gusts changing to sector west decreasing strong
breeze/ variably cloudy/ possible precipitation/ visibility poor
to moderate.
-----------------------------------------------------------------
Nnnn
