KWBA is the affiliate of The CW network in Tucson, Arizona. The station broadcasts on analog channel 58 and digital channel 44, and is licensed to Sierra Vista, Arizona. KWBA signed on the air January 1, 1999 and is owned by the Cascade Broadcasting Group.
The station began November 22, 1996 with a construction permit granted to KM Communications to serve Sierra Vista and Tucson on analog channel 58. The call letters were originally KAUC, but in August 1997, the station changed their call letters to KWBA to reflect their affiliation deal with The WB. KWBA began broadcasting under Program Test Authority on January 1, 1999 and was licensed on May 24, 1999. Also in May 1999, KM Communications transferred the station to Cascade Broadcasting Group.
KWBA entered into an agreement with local CBS affiliate KOLD and launched a 9pm newscast in April 2003. FOX affiliate KMSB-TV soon followed with their own 9pm newscast. KWBA's 9pm news was short-lived, as it went off the air in December 2005...
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