From: Commanders’ Weather
To: Charles Darbyshire , Musandam ,updateoman
Subject: weather Sat 2-14
Date: 14/02/2009 13:25:40
To: Charles Darbyshire and the crew of
“Musandam”
From: Commanders Weather Corp
Event: sail around the world
Last Position: 49 26s/ 93 28w at 1145utc Sat Feb 14, 2009
Prepared: 1300utc Sat Feb 14, 2009
SummaryÖ a couple of slow days then brief N gale Sunday night/Monday.
1) Low pressure trough to your W will evolve into small low pressure system
near 49s/89w by 00 utc
Sun.
2) With the low nearby next several hours your winds could drop briefly to <
10 kts.
3) Then will freshen from the S after 00 utc Sun as the low pulls away.
4) Winds speeds increase to 15-20 kts by 12 utc Sun and will be stronger to
the N and lighter to the S
of your expected position.
5) But this breeze will be temporary as well as narrow high pressure ridge
moves thru around 18 utc
Sun dropping your winds briefly down to 10 kt range.
6) Then attention turns to next front approaching from the W .
7) Expect your winds will back into the NW-N with speeds building to 30-45
kts off the SW tip of South
America as the wind gets concentrated there 12 utc Mon.
8) Fortunately this front moves on thru by 18 utc Mon so the N gale lasts
about 12 hours before winds
shift to WNW and diminish Monday pm.
9) Then with low pressure to the SE and SW of Cape Horn expect W-WNW winds
as you round Cape
Horn in the 25-35 kt range
10) E of Cape Horn winds will diminish Tue night and Wed and could get quite
light Thu E of the
Fauklands.
11) Will want to avoid that area of light air if possible but that far out
subject to change.
12) Will want to know if your ice people have any specific areas to avoid in
the South Atlantic.
a) For now expect you will want to route NE from Staten
Island, north of rhumb line not
wanting to turn E until 45s to minimize ice
threat.
13) Let us know what you think.
RoutingÖGeneral direction toward 56s/ 70w south of Cape Horn tacking and
gybing as needed.
– Some estimated positions below
Wind directions are TRUE, wind speed in kts, and time is UTC
Sat, Feb 14
18: 270-290/4-8
WeatherÖConsiderable cloudiness with risk few showers
Seas 15-20 ft WSW swell slowly diminishing
Sun, Feb 15- winds stronger N , lighter S
00: bcmg 200-180/ 8-12
06: 180-250/10-15
12: 180-200/15-20 nr 51s/86w
18: 220-240/ 8-12
WeatherÖ Mostly cloudy risk few showers.
Seas diminishing to 8-12 ft WSW swell
Mon, Feb 16
00: 320-340/15-20
06: 340-360/25-35 g 40
12: 350-010/30-45 nr 54s/77w
18: 320-280/40-30 ñ winds diminish and back
WeatherÖMostly cloudy with squally showers possible
Seas increase to 10-15 ft
Tue, Feb 17
00: 280-300/18-25
06: 270-290/25-32
12: 290-310/25-32 E of Cape Horn, S of Staten Island
18: 290-310/25-35
WeatherÖCloudy to partly cloudy
Seas 8-12 ft W swell
Wed, Feb 18
00: 280-300/ 15-22
06: 250-270/ 15-22
12: 250-270/ 15-20 ESE of Faukland Islands.
18: 250-270/ 10-15
WeatherÖ.Considerable cloudiness
Seas 8-12 ft W swell
Thu, Feb 19
00: 270-290/ 5-10
12: 290-310/ 5-10 nr 51s/ 48w
WeatherÖVariable cloudiness
Seas 6-10 ft W swell
Best regards, Tom Mattus
—
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