SECURITE ON METAREA 2, METEO-FRANCE,
WARNING NR 374, MONDAY 25 SEPTEMBER 2023 AT 1925 UTC
GENERAL SYNOPSIS, MONDAY 25 OF SEPTEMBER AT 12 UTC.
LOW 1012 40N48W DEEPENING EASTWARDS, EXPECTED 1000 42N28W BY 26/12
UTC, THEN MOVING NORTHEAST, BECOMING STORM "AGNES" 981 48N18W BY
27/00 UTC.
FARADAY.
FROM 26/18 UTC TO 27/00 UTC AT LEAST.
WEST OR NORTHWEST 8 OR 9 IN FAR EAST. SEVERE GUSTS.
ROMEO.
FROM 26/18 UTC TO 27/00 UTC AT LEAST.
BECOMING CYCLONIC 9 OR 10 FROM SOUTHWEST. VIOLENT GUSTS.
BECOMING HIGH AND CROSS.
ALTAIR.
FROM 26/03 UTC TO 27/00 UTC.
CYCLONIC INCREASING 8 OR 9 FROM WEST. SEVERE GUSTS.
CHARCOT.
FROM 26/18 UTC TO 27/00 UTC AT LEAST.
SOUTHWESTERLY 8 OR 9 IN NORTHWEST. SEVERE GUSTS.
BECOMING HIGH IN FAR NORTHWEST.
NORTH OF ACORES.
FROM 26/06 UTC TO 26/12 UTC.
SOUTHWEST AT TIMES 8 IN FAR NORTH. GUSTS.
BT
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A
SECURITE
Weather bulletin on METAREA 2,
METEO-FRANCE Toulouse, Monday 25 September 2023 at 2215 UTC.
Wind speed in BEAUFORT SCALE.
Sea state in DOUGLAS SCALE.
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
significant height.
Part 1 : WARNING NR 374.
Part 2 : General synopsis, Monday 25 at 12 UTC
Low "EX-NIGEL" 975 just south Iceland slow moving northwest, expected
986 just southwest Iceland by 27/00 UTC. Associated trough in south
extending towards north Azores Islands moving northeast, crossing
British Isles on Tuesday.
Low 1012 40N48W deepening eastwards, expected 1000 42N28W by 26/12
UTC, then moving northeast, becoming storm "AGNES" 981 48N18W by
27/00 UTC.
Stationary ridge extending from Central Europe to France.
High 1025 33N39W slowly drifting southeast, expected 1021 31N33W by
27/00 UTC.
Tropical wave (AL91) along 31W between 03N-17N, moving westward at
10-15 kt.
Scattered moderate and isolated strong convection is noted from
07N-12N
between 27W-33W.
Monsoon trough near 17N16W and continues to a 1012 mb low pressure
(AL91) near 10N31W, to 08N32W.
ITCZ from 08N32W to 07N40W.
Part 3 : Area forecasts to Wednesday 27 at 00 UTC
FARADAY.
Westerly 4 or 5, becoming Northerly 2 to 4 from west soon, then
increasing West or Northwest 6 or 7 later in east, locally 8 or 9 in
far east at end, but backing West or Southwest 5 or 6, at times 7 in
west. Severe gusts.
Rough in N swell, increasing very rough and cross in far east at
end.
Moderate or poor visibility in rain or thundery showers.
ROMEO.
Westerly 4 or 5, at times 6, backing South or Southwest 5 or 6 later,
then increasing Cyclonic 9 or 10 from southwest at end. Violent
gusts.
Rough in W swell, locally very rough in east at first, increasing
very rough or high and cross with SW swell from southwest at end.
Moderate or poor visibility in rain or thundery showers.
ALTAIR.
West or Southwest 3 to 5, increasing Cyclonic 8 or 9 soon from west,
then decreasing West or Northwest 4 or 5 in west at end. Severe
gusts.
Rough in NW swell, increasing very rough and cross with SW swell from
west soon.
Moderate or poor visibility in rain or thundery showers.
CHARCOT.
West or Southwest 3 to 5, increasing Southwesterly 6 or 7 later, then
8 or 9 in northwest at end. Severe gusts.
Rough in NW swell, increasing very rough and cross with W or SW swell
in west at end.
Moderate or poor visibility in rain or thundery showers, mainly in
north.
ACORES.
West or Southwest 3 or 4, increasing Southwest 6 or 7 at first from
northwest, at times 8 in far north, then decreasing Clockwise 2 to 4,
at times 5 in west at end. Gusts.
Moderate or rough, increasing locally very rough in far north soon.
Moderate visibility in rain or showers.
JOSEPHINE.
Clockwise 2 to 4, increasing Southwest 5 or 6 in northwest later, at
times 7 in far northwest. Gusts.
Rough in long NW swell, becoming moderate or rough soon.
Moderate visibility in scattered showers.
IRVING.
Variable 2 to 4, but becoming locally Westerly 4 or 5 in north
later.
Moderate or rough.
Moderate visibility in scattered showers.
MADEIRA.
Mainly Northerly 2 to 4, veering Northeasterly 3 or 4 soon, but
becoming Variable 2 to 4 in northwest later.
Moderate or rough in long NW swell, decreasing moderate at end.
Moderate visibility in scattered showers.
PAZENN.
Southwest 5 or 6 from west, occasionally 7 in north, veering West or
Southwest 4 or 5 soon, then backing South or Southeast later, locally
6 or 7 in west at end. Gusts.
Rough or very rough with W or NW swell, becoming rough soon.
Moderate or poor vis in rain or showers.
IROISE, YEU.
Veering West or Southwest 3 to 5 at first, becoming Variable 2 to 4
later, then increasing Southerly 3 or 4 at end.
Rough in W swell, becoming moderate or rough later.
Moderate or poor vis in some rain or showers.
ROCHEBONNE, CANTABRICO.
Mainly Southeasterly 2 to 4, veering Westerly 3 or 4, locally 5 in
south, soon, then becoming Clockwise 2 to 4 later, mainly
Southeasterly at end.
Moderate or rough in W or NW swell.
FINISTERRE.
West or Southwest 3 to 5, locally 6 in far northwest at first,
decreasing Southwest 3 or 4 soon, then backing South or Southwest
later, locally 5 or 6 in northwest at end.
Rough.
Moderate vis in rain or scattered showers.
PORTO.
Variable 2 to 4, mainly North, increasing Southwest 3 to 5 in
northwest at end.
Rough in long NW swell, decreasing moderate later.
Moderate or poor visibility due to fog patches.
SAO VICENTE.
Northerly 3 to 5, locally Variable 2 to 4 in far southeast, at times
5.
Moderate or rough in long NW swell.
Moderate or poor visibility due to coastal fog patches.
CADIZ, GIBRALTAR STRAIT.
In and leeward Strait : Easterly 5 or 6, at times 7 over GIBRALTAR
STRAIT. Gusts.
Elsewhere : Variable 2 to 4.
Slight or moderate, increasing rough leeward strait at end.
Moderate visibility due to coastal fog patches.
CASABLANCA, AGADIR, TARFAYA.
North or Northeast 3 or 4, occasionally 5.
Moderate, increasing rough in north at first in long NW swell.
Moderate or poor visibility due to coastal fog patches.
METEOR.
East or Northeast 2 to 4 from north to south.
Moderate in long N or NW swell, occasionally rough in far north.
Moderate visibility in scattered showers.
CANARIAS.
Northeast 4 or 5, at times 6 between islands and in southeast.
Gusts.
Moderate.
Moderate visibility in scattered showers.
CAPE VERDE.
East or Northeast 4 or 5, increasing temporarily 6 soon in far
southwest.
Moderate, locally moderate or rough in west.
Moderate or poor visibility in thundersqualls with severe gusts in
far southwest soon.
CAP BLANC.
Northeast 5 or 6.
Moderate, locally rough in far south, increasing rough at end.
Moderate visibility due to sand haze.
CAP TIMIRIS.
Northerly 5 or 6 in north, but North or Northwest 3 or 4 in south.
Moderate, locally rough in north.
Moderate visibility due to sand haze.
SIERRA LEONE.
In west : Southeasterly 4 or 5, at times 6 in far northwest.
In east : Variable 2 to 4.
Moderate, locally rough in far northwest.
Poor visibility in thundersqualls with severe gusts.
GULF OF GUINEA.
Southerly 3 or 4.
Moderate.
Poor visibility in thundersqualls with severe gusts.
POINTE NOIRE.
Southeasterly 4 or 5, decreasing 3 or 4 at first.
Moderate.
Part 4 : outlook for next 24 hours
South or Southwest near gale or gale expected over PAZENN and
FINISTERRE, locally sever gale over PAZENN, then South or Southwest
near gale over IROISE and west YEU.
Persistence of Cyclonic very strong to violent flow over ROMEO and
CHARCOT.
Persistence of Easterly fresh to strong flow over GIBRALTAR STRAIT
and CADIZ.
Threat of Southwesterly fresh to strong flow over in north of 35N