On August NUMBER@1 , Katrina was absorbed by a frontal boundary and became a powerful extratropical low , causing NUMBER@2 -- NUMBER@3 inches -LRB- NUMBER@4 -- NUMBER@5 mm -RRB- of rain in NUMBER@6 hours , as well as gale-force wind gusts from NUMBER@1 to NUMBER@7 mph -LRB- NUMBER@4 to NUMBER@8 km/h -RRB- in southeastern LOCATION@1 and northern LOCATION@2 .

On August NUMBER@1 , it was absorbed by a frontal boundary and became a powerful extratropical low , causing NUMBER@2 -- NUMBER@3 inches -LRB- NUMBER@4 -- NUMBER@5 mm -RRB- of rain in NUMBER@6 hours . It also caused gale-force wind gusts from NUMBER@1 to NUMBER@7 mph -LRB- NUMBER@4 to NUMBER@8 km/h -RRB- in southeastern LOCATION@1 and northern LOCATION@2 .
