A methodology to estimate the extent of areas affected by forest fires. as well as the burn severity levels using Sentinel 2 images (10 and 20 m) is proposed and applied to the fires occurred in October 2017 in Spain and Portugal. An extension larger than 250. 000 ha and 4 burn severity levels (low. https://foldlyers.shop/product-category/2-5-3-5-6-5mm-cables/