NASA Earth Surface and Interior

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February 9, 2018
UAVSAR image of Montecito debris flows.
Extreme winter rains in January 2018 following the Thomas Fire in Ventura and Santa Barbara Counties caused severe debris flows, destroying 73 homes and damaging over 160 structures in the town on Montecito, just east of Santa Barbara. NASA UAVSAR airborne radar platform detected changes caused by the debris flows between two images acquired on November 2, 2017 and February 5, 2018. An enhanced image pair (top left) show disturbed areas in orange. The two image pairs can’t be matched and decorrelate in areas of severe surface disruption from the fire scar and debris flows (top right). In the...