Friends and family are rushing to find out whether loved ones are at hospitals or shelters as deadly fires sweep across wide swaths of California and authorities announced new evacuation orders and new figures on homes and businesses that were loss.

Officials report that thousands of firefighters are battling nearly two dozen blazes in Northern California's wine country -- with additional help on the way.

As firefighters struggle to gain control of any of the fires, Gov. Jerry Brown held a press conference Wednesday and released the latest figures on the fight and response to the fires.

"We have had big fires in the past. This is one of the biggest, most serious, and it's not over," Brown said. 

CBS News has compiled some of the key numbers about the fires. All statistics are courtesy of Brown's office. 

California wildfires by the numbers:

  • 170,000+ acres scorched -- or the equivalent of at least 200 Central Parks or nearly 12 Manhattan islands
  • 3rd deadliest fire season in California's history
  • 21 confirmed deaths so far
  • 3,500 homes and businesses destroyed since Sunday
  • 22 fires burning, up from 17 on Tuesday, in 8 counties

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