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West and south of southern Africa’s Lake Malawi (top right) scores of fires (red dots) were detected by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite on September 19, 2004. Fires are especially abundant in Mozambique (bottom right).
NASA image created by Jesse Allen, Earth Observatory, from data obtained courtesy of the MODIS Rapid Response team.
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Smoke filled river valleys in northeastern Washington and parts of British Columbia.
Lightning likely ignited several large fires that sent smoke pouring over the Canadian province in early September 2025.
Another major tributary reached the Australian outback lake in 2025, extending the months-long flood of the vast, ephemeral inland sea.
