FREEZE WARNING TONIGHT - The National Weather Service has issued a freeze warning, beginning tonight at 10 o'clock and lasting through 10 a.m. tomorrow. The counties included in the warning area are Pima, Southeast Pinal and Santa Cruz. A cold air mass will be over Arizona starting today, lasting through the beginning of next week. Crews from the Tucson Department of Transportation (TDOT) will spray magnesium chloride on approximately 70 bridge decks within city limits. Magnesium chloride lowers the freezing temperature of water and prevents ice from bonding on a roadway. A light coating produces no negative effects on water or vegetation. Magnesium chloride is an effective ice suppressant agent lasting for approximately 10 days. Read the story on
Tucson Water tips on protecting your pipes.

FEDERAL U.S./MEXICO TRADE HEARING SCHEDULED FOR TUCSON - The U.S. House of Representatives Committee on Foreign Affairs, Subcommittee on the Western Hemisphere, will hold a hearing in the Mayor and Council Chambers of City Hall on Monday, Dec. 9, 2013, beginning at 9:30 a.m.  The subject is a field hearing on "Promoting Best Practices in U.S.-Mexico Trade."  U.S. Representative Matt Salmon of Arizona is the Chairperson of the Subcommittee. Tucson 12 will provide live coverage of the event. Witnesses scheduled to testify.

COMMUNITY LEARNS ABOUT STREETCAR SAFETY - As Sun Link Tucson Streetcar vehicles go through testing along the tracks, the streetcar's management team continues to educate community members and streetcar operators about safety. The streetcar's "Be Street-Smart" educational safety campaign is an ongoing effort to educate citizens about the streetcars presence and how to be safe around the tracks. Read the story on the Arizona Daily Wildcat.

REID PARK ZOO PREPARING FOR ELEPHANT BIRTH - Reid Park Zoo's "Semba," a 24-year-old African elephant, is preparing for the birth of her 200-plus pound calf next summer. Tucson 12's "Zoo News" recently went behind the scenes to see what's involved in preparing for the birth. Semba already has two healthy calves. Watch the story.

WINTER WONDERLAND THIS SATURDAY - Children's Museum Tucson hosts "Winter Wonderland" Saturday to kick off its holiday season.  Enjoy hands-on activities and pictures with Santa and one of his elves. The Children's Museum, in the heart of Downtown Tucson, is in the historic site of what was once the Carnegie Library.