DUST FORECAST OVER PART OF WEST AFRICA

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Presentation transcript:

DUST FORECAST OVER PART OF WEST AFRICA

EXEMPLE OF DUST EVENTS ON JANUARY 09 th 2010, OVER WEST AFRICA

09 AM

01 PM

3 PM

HOW TO MAKE THE FORECAST -Based on satellite images -Based on ground observations -Wind at the level 925 hPa using a threshold of 20 kt superposed to the force. -Wind direction at 700 hPa.

WIND DIRECTION AND FORCE

AREAS OF DUST GENERATION OVER WEST AFRICA

THE RESULTS OF THE FORECAST

THE USERS The users are not clearly defined yet but at the met office we have a list of institutions or persons whom we send our daily forecast fore different use.

Thank you