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ARC PLUS WEATHER: 11/09 07Z - FORECAST UPDATE #1



ARC PLUS WEATHER: 11/09 07Z - FORECAST UPDATE #1
09 November 2014

PREPARED: NOVEMBER 09 07:30Z

FM: WEATHER ROUTING INC. (WRI)


SYNOPSIS: GOOD MORNING. THERMAL TROUGH OF LOW PRESSURE EXTENDS N'WARD ALONG W'RN AFRICAN COAST FROM SENEGAL INTO S'RN WESTERN SAHARA THIS MORNING, BUT WILL WEAKEN AND SLIDE S'WARD BELOW 24N THROUGH TOMORROW MORNING, THEN WEAKEN SIGNIFICANTLY AND LINGER ALONG THE SENEGAL COAST ON THE 11TH/12TH, SLIGHTLY DEEPENING N'WARD ON THE 13TH. HIGH PRESSURE RIDGING EXTENDS E'WARD OVER MADEIRA AND SE'WARD TO THE CAPE VERDE ISLANDS AND UP AGAINST THE THERMAL TROUGH THIS MORNING. RIDGING WILL FILL IN IN THE WAKE OF THE TROUGH TOMORROW, AND REMAIN IN PLACE THROUGH THE NEXT SEVERAL DAYS AS THE ASSOCIATED MID-OCEAN HIGH REMAINS SEMI-STATIONARY ACROSS THE CENTRAL ATLANTIC THROUGH THE 13TH/14TH.


CONCLUSION: INTERACTIONS BETWEEN HIGH PRESSURE RIDGING AND THERMAL TROUGH TODAY AND TOMORROW WILL LEAD TO FRESH AND AT TIMES GUSTY NE'LY WINDS ALONG GRIS GG AND BB, THOUGH OVERALL WINDS IN ALL GRIDS WILL LOWER INTO THE 11TH AS THERMAL TROUGH SLACKENS AND SLIDES S'WARD AS NOTED ABOVE. ENHANCED SWELLS WILL BUILD IN GRIDS BB AND GG TODAY AND TOMORROW, AND WILL GRADUALLY LOWER AS WINDS LOWER.

SWELLS WILL ALSO SHIFT TO A MORE NW'LY NATURE IN THE LONG RANGE DUE, MIXING WITH SHORTER PERIOD NE'LY CHOP FROM WINDS. IN THE LONG RANGE, WINDS ARE EXPECTED TO INCREASE SLIGHTLY ON THE 13TH/14TH AS THE THERMAL TROUGH STARTS TO REGAIN STRENGTH.


AA FORECAST:

09/12 GMT(T + 0):  WINDS N-NE(0 - 45)  16-21KTS.  SEAS 3-4  SWELLS N-NE  5-7FT (3SEC).  SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NE @ 0.9KTS.

10/00 GMT(T + 12):  WINDS N-NE(0 - 45)  16-21KTS.  SEAS 3-4  SWELLS N-NE  6-8FT  (3SEC).  SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NE @ 0.9KTS.

10/12 GMT(T + 24):  WINDS N-NE(0 - 45)  14-19KTS.  SEAS 3-4  SWELLS N-NE  5-7FT  (3SEC).  SKIES MOSTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NE @ 0.7KTS.

11/00 GMT(T + 36):  WINDS N-NE(0 - 45)  10-15KTS.  SEAS 2-3  SWELLS N-NE  4-6FT  (3SEC).  SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NE @ 0.5KTS.

11/12 GMT(T + 48):  WINDS N-NE(0 - 45)  10-15KTS.  SEAS 2-3  SWELLS N-NE  3-5FT  (3SEC).  SKIES MOSTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NE @ 0.4KTS.

12/00 GMT(T + 60):  WINDS NNE-ENE(23 - 68)  12-17 GUSTS 20KTS.  SEAS 2-3 SWELLS N-NE  2-4FT  (4SEC).  SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*.

CURRENTS FROM NE @ 0.3KTS.


EXTENDED FORECAST: (CONTACT WRI FOR LATEST FORECAST)

12/12 GMT(T + 72):  WINDS N-NE(0 - 45)  12-17 GUSTS 20KTS.  SEAS 2-3  SWELLS NNW-NNE  3-5FT  (14SEC).  SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*.

CURRENTS FROM NE @ 0.4KTS.

13/00 GMT(T + 84):  WINDS NNE-ENE(23 - 68)  11-16KTS.  SEAS 2-3  SWELLS WNW-NNW  4-6FT  (13SEC).  SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NE @ 0.4KTS.

13/12 GMT(T + 96):  WINDS NNE-ENE(23 - 68)  11-16KTS.  SEAS 2-3  SWELLS WNW-NNW  4-6FT  (12SEC).  SKIES PARTLY CLOUDY. CURRENTS FROM NE @ 0.4KTS.

14/00 GMT(T + 108):  WINDS N-NE(0 - 45)  14-19KTS.  SEAS 3-4  SWELLS NW-N 4-6FT  (11SEC).  SKIES MOSTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NE @ 0.5KTS.


BB FORECAST:

09/12 GMT(T + 0):  WINDS NNE-ENE(23 - 68)  19-24 GUSTS 27KTS.  SEAS 4-5  SWELLS NNE-ENE  7-9FT  (4SEC).  SKIES CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NNE @ 0.4KTS.

10/00 GMT(T + 12):  WINDS NNE-ENE(23 - 68)  17-22 GUSTS 25KTS.  SEAS 3-4 SWELLS NNE-ENE  7-9FT  (4SEC).  SKIES MOSTLY CLOUDY. ISOLATED SHWRS/SQUALLS*.

CURRENTS FROM E @ 0.3KTS.

10/12 GMT(T + 24):  WINDS NNE-ENE(23 - 68)  16-21 GUSTS 24KTS.  SEAS 3-4 SWELLS N-NE  7-9FT  (5SEC).  SKIES MOSTLY CLOUDY. ISOLATED SHWRS/SQUALLS*.

CURRENTS FROM NE @ 0.4KTS.

11/00 GMT(T + 36):  WINDS NNE-ENE(23 - 68)  15-20KTS.  SEAS 3-4  SWELLS N-NE 6-8FT  (5SEC).  SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM ENE @ 0.2KTS.

11/12 GMT(T + 48):  WINDS N-NE(0 - 45)  14-19KTS.  SEAS 3-4  SWELLS NNW-NNE 5-7FT  (6SEC).  SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NE @ 0.2KTS.

12/00 GMT(T + 60):  WINDS NNE-ENE(23 - 68)  13-18KTS.  SEAS 2-3  SWELLS NW-N 5-7FT  (6SEC).  SKIES PARTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM ENE @ 0.2KTS.

12/12 GMT(T + 72):  WINDS NNE-ENE(23 - 68)  10-15KTS.  SEAS 2-3  SWELLS WNW-NNW  5-7FT  (12SEC).  SKIES MOSTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM E / WEAKKTS.

13/00 GMT(T + 84):  WINDS NE-E(45 - 90)  09-14KTS.  SEAS 2-3  SWELLS WNW-NNW 6-8FT  (11SEC).  SKIES MOSTLY CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM ESE @ 0.2KTS.

13/12 GMT(T + 96):  WINDS NE-E(45 - 90)  09-14KTS.  SEAS 2-3  SWELLS WNW-NNW 6-8FT  (11SEC).  SKIES MOSTLY CLOUDY. CURRENTS FROM E @ 0.1KTS.

14/00 GMT(T + 108):  WINDS NNE-ENE(23 - 68)  13-18KTS.  SEAS 2-3  SWELLS NW-N 5-7FT  (10SEC).  SKIES CLOUDY. ISOLATED SHWRS/SQUALLS*. CURRENTS FROM NE @ 0.2KTS.


GG FORECAST:

09/12 GMT(T + 0):  WINDS NNE-ENE(23 - 68)  19-24KTS.  SEAS 4-5  SWELLS N-NE 7-9FT  (2SEC).  SKIES MOSTLY CLOUDY. CURRENTS FROM ENE @ 1KTS.

10/00 GMT(T + 12):  WINDS NNE-ENE(23 - 68)  19-24KTS.  SEAS 4-5  SWELLS N-NE 8-10FT  (2SEC).  SKIES MOSTLY CLOUDY. CURRENTS FROM ENE @ 0.6KTS.

10/12 GMT(T + 24):  WINDS NNE-ENE(23 - 68)  20-25KTS.  SEAS 4-5  SWELLS NNE-ENE  7-9FT  (2SEC).  SKIES MOSTLY CLOUDY. CURRENTS FROM E @ 1.4KTS.

11/00 GMT(T + 36):  WINDS NNE-ENE(23 - 68)  19-24KTS.  SEAS 4-5  SWELLS N-NE 7-9FT  (2SEC).  SKIES PARTLY CLOUDY. CURRENTS FROM ENE @ 0.6KTS.

11/12 GMT(T + 48):  WINDS NNE-ENE(23 - 68)  19-24KTS.  SEAS 4-5  SWELLS NNW-NNE  6-8FT  (2SEC).  SKIES PARTLY CLOUDY. CURRENTS FROM ENE @ 1.2KTS.

12/00 GMT(T + 60):  WINDS NNE-ENE(23 - 68)  17-22KTS.  SEAS 3-4  SWELLS NNW-NNE  6-8FT  (6SEC).  SKIES PARTLY CLOUDY. CURRENTS FROM ENE @ 0.8KTS.

12/12 GMT(T + 72):  WINDS NNE-ENE(23 - 68)  15-20KTS.  SEAS 3-4  SWELLS NW-N 6-8FT  (7SEC).  SKIES CLEAR. CURRENTS FROM ENE @ 1.1KTS.

13/00 GMT(T + 84):  WINDS NNE-ENE(23 - 68)  15-20KTS.  SEAS 3-4  SWELLS NW-N 6-8FT  (12SEC).  SKIES PARTLY CLOUDY. CURRENTS FROM ENE @ 0.8KTS.

13/12 GMT(T + 96):  WINDS NNE-ENE(23 - 68)  13-18KTS.  SEAS 2-3  SWELLS NW-N 6-8FT  (11SEC).  SKIES PARTLY CLOUDY. CURRENTS FROM NE @ 1.1KTS.

14/00 GMT(T + 108):  WINDS NNE-ENE(23 - 68)  12-17KTS.  SEAS 2-3  SWELLS NW-N 5-7FT  (11SEC).  SKIES CLOUDY. CURRENTS FROM ENE @ 0.9KTS.

* WINDS AND SEAS HIGHER IN SQUALLS


BEST REGARDS, WEATHER ROUTING INC. (WRI)

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