over the next several days , marie progressively degraded Cause_change_of_position_on_a_scale to below hurricane Catastrophe strength Cause_change_of_strength as it moved Motion into an increasingly hostile environment with cooler waters and a more stable atmosphere .

Thelma ultimately succumbed Death to wind shear and degraded Cause_change_of_position_on_a_scale to a tropical depression .

The system degraded Cause_change_of_position_on_a_scale below gale-intensity on February 11 , just 24 hours after it peaked Arriving , and was last noted early on February 12 .

The CIA 's Phoenix Program further degraded Cause_change_of_position_on_a_scale the NLF 's membership and capabilities .