Marine Weather for HS 026

Forecast
securite
weather bulletin for shipping - Metarea 6-
00:00 UTC 15, December 2017.
National Weather Service (nws)
sea ice and icebergs issued by shn pressure hpa Beaufort scale winds
part 1 gale warning:
271/2017 strong baric gradient on 60s 63w 60s 55w 63s 63w 63s 55w mov
E deepening provokes winds force 8 from se in southern portion of
Drake Strait
272/2017 strong baric gradient on 64s 62w 64s 50w 66s 62w 66s 50w mov
E deepening will provoke winds force 8 from sector S in erebus y
terror Gulf from 15/0300
273/2017 strong baric gradient on 73s 42w 73s 30w 77s 42w 77s 30w mov
E deepening will provoke winds force 8 from se in southern Weddell Sea
from 15/0600
part 2 general synopsis at 21:00utc
low 969hpa 61s 60w mov se dpn extends cfnt at 61s 60w 60s 58w
low 963hpa 68s 85w mov E wkn extends ofnt at 68s 85w 64s 82w 63s 90w
ridge 65s 65w 70s 60w 75s 55w mov NE intsf
141400z sea ice limit 5920s 02000w 5800s 02200w 5836s 03130w 5824s
04100w 6012s 04406w 6012s 04612w 5924s 04618w 6024s 05030w 6254s
05506w 6400s 06106w 6536s 06700w icebergs greater than 10 nm b15t
6039s 05223w 25x6nm b15z 5910s 04848w 15x7nm b09d 5504s 02825w 19x6nm
b09f 6138s 05346w 18x7nm c28b 6134s 05220w 17x11nm d21a 5830s 02733w
10x4nm a61 5543s 02056w 10x4nm
part 3 forecast issued 00:00 UTC valid until 00:00 UTC 2017-12-16
coastal areas:
southern portion of Drake Strait : se 6/7 gust with 8 intensity decr
prob of mist prob ofintermittent snow fall starting nigth vis very
poor to moderate
Mar de la flota coasts : NE 6/7 veer se 8 prob of fog mist prob
ofintermittent snow fall during the nigth vis very poor to moderate
gerlache Strait : NW 3/4 veer NE prob of mist worsening with prob
ofisol snow fall during the early morning vis moderate ocnl poor
Margarita Bay : sector N 3/4 veer E vis good
erebus y terror Gulf : se 5/6 veer sector S 8 with gusts prob of
worsening with prob ofintermittent snow fall starting early morning
vis moderate ocnl poor
oceanic areas:
norther Bellingshausen Sea (60-66s 70-90w): NE 3/4 veer se 5 prob of
mist prob ofintermittent snow fall impr vis moderate to good
southern Bellingshausen Sea (66-73s 70-90w): sector E 4/5 veer sector
S prob of fog and mist in patches worsening with prob ofisol snow fall
during the early morning vis moderate to poor
northern Weddell Sea (60-68s 20-50w): se 3/4 veer sector S 5 worsening
with prob of intermittent snow fall during the early morning vis good
to moderate ocnl poor
southern Weddell Sea (68-78s 20-60w): sector N 4/5 veer se 6 with
gusts mod snow fall during the nigth vis moderate
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