Fires in East and Central Africa

Fires in Africa

29 November 2004

Fires were burning across central Africa in November  2004. The widespread nature of the fires and the time of year indicates that these fires are being set intentionally for agricultural purposes. Though not necessarily immediately hazardous, such large-scale burning—and the resulting smoke—can have a strong impact on weather, climate, human health, and natural resources. The following images were captured by the Moderate Resolution Imaging Spectroradiometer (MODIS).

Latest Modis Scenes from West to East:


28 November 2005


28 November 2005

Carbon Monoxide over Africa

November marks the beginning of the fire season in the Sahel, where fire is used to clear land and prepare fields for planting. Such fires are not harmful of themselves, but they do release particles and gases into the atmosphere that impact climate and human health. One of the gases released in combustion is carbon monoxide, so it is not surprising that the Measurements of Pollution in the Troposphere (MOPITT) instrument aboard the NASA’s Terra satellite detected enhanced levels of carbon monoxide (CO) over Central and West Africa in November 2004.
The false-color image above shows carbon monoxide concentrations at 700 hPa in the atmosphere (about 3 km altitude) during the week of November 21-28, 2004. Missing data due to persistent cloud coverage are color-coded in gray. Red and yellow colors show the CO produced by the vegetation fires and being transported by the South-East Trade winds out onto the Atlantic Ocean. Somewhat enhanced CO concentrations are also evident in parts of Southern Africa. As the fire season starts in West-Central Africa, the vegetation fires in the Southern part of the continent are dying down with the onset of the wet season. The fire season in West-Central Africa typically runs from November to April.

NASA image created by Jesse Allen, EarthObservatory, using data provided courtesy of the NCAR and University of Toronto MOPITT teams.

For background information on theFire Situation in Africa see:

RegionalWildland Fire Networks (AfriFireNet) and

IFFN Country Reports on CentralAfrican countries

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