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

FQNT52 LFPW 202051

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Weather bulletin on METAREA 2,

METEO-FRANCE Toulouse, Sunday 20 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 : WARNING NR 365.

Part 2 : General synopsis, Sunday 20 at 12 UTC

Low 1001 53N30W, moving east, expected 1006 53N21W by 22/00 UTC.

Associated disturbance over FARADAY, ALTAIR, and northwest of ACORES,

expected ROMEO and northwest CHARCOT tomorrow.

Shallow low 1016 over southwest Spain, expected 1013 near cape

Finistere by 22/00 UTC.

Persistence low pressure about 1013 over west Morocco.

Thermal low 1007 over Sahara, expected 1005 by 22/00 UTC.

High 1027 over Bay of Biscay, drifting east, expected 1024 over

Germany by 21/12UTC, building towards North Sea at end. Associated

ridge towards Azores islands weakening soon.

High 102743N49W, drifting east, expected 1023 40N36W by 22/00 UTC.

Low 1009 over Cape Verde islands, moving west 15 kt.

The monsoon trough extends along 14N17W, 10N25W, 07N35W.

Part 3 : Area forecasts to Tuesday 22 at 00 UTC

North of CAPE VERDE.

East or Northeast 4 or 5.

Rough in NE swell, decreasing moderate later.

Some showers. Sand haze.

South of CAPE VERDE, Northwest of SIERRA LEONE.

Cyclonic 3 to 5 from east, at times 6.

Moderate, locally rough in north in NE swell till later.

Thundersqualls with severe gusts. Sand haze.

CAP BLANC.

Northerly 3 or 4, at times 5 in far northeast tonight.

Moderate.

Some showers. Sand haze.

CAP TIMIRIS.

In north: Easterly 2 to 4, becoming Variable later.

In south: Southeast 3 or 4, at times 5 at first, gradually veering

Southwesterly.

Moderate.

Thundersqualls with gusts.

Southeast of SIERRA LEONE.

Southwesterly 4 to 6, decreasing 3 or 4 near coast soon.

Moderate.

Thundersqualls with severe gusts.

GULF OF GUINEA.

In west: South 4 or 5. In east: Southwest 3 or 4.

Moderate.

Some thundersqualls with gusts in far east.

POINTE NOIRE.

In west: Southeast 4 or 5. In east: South 3 or 4.

Moderate.

Some showers in east.

Part 4 : outlook for next 24 hours

Persistence of East near gale over GIBRALTAR STRAIT at first.

Threat of North or Northeast near gale in east of AGADIR and between

islands over CANARIAS.

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