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Weather analysis > Weather bulletin of the 20th November 2012.

Weather bulletin of the 20th November 2012.

Weather analysis |

Weather analysis for the 20th November 2012 at 00 UTC.

General synopsis by  November20, 2012 at 00h UTC :
Ridge 1020 hPa along 28N40W to CASABLANCA, moving south and weakening, along 27N30W to Canarias at 21/00 UTC.
High 1029 hPa 41N49W, moving quickly southeast expected 1027 hPa 36N39W at 20/12 UTC then 1027 hPa 35N24W at 21/12 UTC.
Cold front over north areas, along 30N37W 40N18W, then expected from 29N16W extending to Spain  at 21/12 UTC.
ITCZ along 09N23W 08N27W 07N29W 08N32W, expected 04N23W 04N27W 04N33W at 21/12 UTC.
High 1026 hPa 35S23W, moving slowly east, expected 1028 hPa 34S02E at 21/12UTC. Associated ridge extending to Brazil.

Weather forecast for the 21 th November 2012 at 00 UTC.

Weather forecast from  November20, 2012 at 09h UTC to  November21, 2012 at 12h UTC :
East d'IRVING and MADEIRA : West or Southwest 15 or 20 kt, with gusts of 30 or 35 kt associated with cold frond, veering quickly North or Northeast 20 or 25 kt, decreasing Northeast 15 or 20 kt at the end. Sea rough cross with northwest swell 2.5 or 3 m, increasing 3 or 3.5 m at end. Rain.
East of METEOR : Variable anticyclonic 5 or 10 kt, becoming Northeasterly later, locally 15 or 20 kt in north with gusts 25 kt, increasing 10 or 15 kt in south at the end. Sea moderate, becoming rough cross with northwest swell 2.5 or 3 m at end. Rain in north.
West of CANARIAS : Variable anticyclonic 5 or 10 kt, becoming North or Northeast 8 or 12 kt later, increasing 15 or 20 kt with gusts 25 kt at the end. Sea moderate with Northerly swell 1 or 1.5m, becoming rough cross with northwest swell 2.5 or 3 m in north at end. Rain in north.
East of CAPE VERDE : East or Northeast 10 or 15 kt, gusts 20 kt near islands, increasing 15 or 20 kt, gusts 25 kt at the end. Sea moderate with northerly swell 1 or 1.5m.
North of SIERRA LEONE : Northeasterly 10 or 15 kt, increasing 12 or 18 kt later. Sea moderate in Northeasterly swell of 1.5 or 2m.
South of SIERRA LEONE :  East prevailing 5 or 10 kt, becoming East or Northeast 10 or 15 kt at the end. Sea moderate in Northeasterly swell of 1.5 or 2m. Thundersqualls with gusts of 30 to 35 kt.
North of ST-PAUL : East or Southeast 5 or 10 kt prevailing, becoming East or Northeast 10 or 15 kt at the end. Sea moderate and cross in Northeasterly swell of 1.5 or 2m. Thundersqualls with gusts of 30 or 35 kt.
South of ST-PAUL : Southeast 12 or 18 kt, decreasing 10 or 15 kt at the end. Sea moderate and cross in Northeasterly swell of 1.5 or 2m.
RECIFE : East or Southeast 12 or 18 kt. Sea moderate with east swell 1.5 or 2m.

Weather forecast for the 22 th November 2012 at 00 UTC.

Further outlook from  November21, 2012 at 12h UTC to  November22, 2012 at 12h UTC.
Strong wind warning greater than 40 nds :
None

High wave warning greater than 6 m :
None

On  Tuesday , November20, 2012 at 10h 36 UTC.
Christelle Alot
Météo-France

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