Weather West Africa Meteorological Bulletin MET Area II (Abbreviated) - Cape Verde to Gulf of Guinea

FQNT52 LFPW 271926

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SECURITE

Weather bulletin on METAREA 2,

METEO-FRANCE Toulouse, Sunday 27 August 2017 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 : NO WARNING.

Part 2 : General synopsis, Sunday 27 at 12 UTC

Low 1010 over Portugal, slow-moving, expected 1013 by 29/00UTC.

Persistence of associated trough over Spain and south Bay of Biscay.

Low 996 56N28W, moving northeast, expected 983 over Iceland by 28/12

UTC, then moving northeast.

Relative low expected 1023 over west FARADAY by 29/00UTC, with

associated disturbance reaching FARADAY soon.

High 1028 39N36W moving east, expected 40N29W by 29/00UTC. Associated

ridge extending northeastwards.

Tropical wave from 25N27W to 25N30W moving W at 10 kt.

Monsoon trough extends from 09N13W to an embedded low 1009 near

08N15W, then to 14N25W, 11N40W.

Part 3 : Area forecasts to Tuesday 29 at 00 UTC

CAPE VERDE.

East or Northeast 4 or 5, but 3 or 4 in extreme south..

Moderate, but locally slight in south, gradually becoming mainly

moderate, except in extreme south.

Thundery showers, clearing in east later.

CAP BLANC.

North or Northeast 4 or 5, locally 6 with gusts in northeast.

Moderate.

Some thundery showers in extreme northwest at first.

CAP TIMIRIS.

Northeast 3 or 4, at times 5 in extreme northwest till later,

increasing Eaterly 4 or 5 in extreme south at end.

Slight or moderate.

Thundery showers in southeast later.

SIERRA LEONE.

In west : Variable 1 to 3 in north, West or Southwest 3 or 4 in

south.

In east : mainly Northeasterly 3 to 5 in north, Southwesterly 4 to 6

in south, becoming Variable Cyclonic 4 or 5 from east, locally 6 in

east, soon, then Southwest 3 to 5 in south later.

Slight or moderate.

Thundersqualls with severe gusts.

GULF OF GUINEA.

In west : South or Southwest 3 or 4, locally 5 in north, decreasing

Southerly 3 or 4 soon.

In east : West or Southwest 2 or 3, increasing 3 or 4 soon.

Moderate.

Thundersqualls with severe gusts, mainly in north.

POINTE NOIRE.

In west : Southeast 3 or 4, at times 5 in southwest.

In east : Southerly 1 to 3, increasing 3 or 4 later.

Moderate.

Some scattered showers in west.

Part 4 : outlook for next 24 hours

No near gale or gale expected.

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