Sonoma West Medical Center Available as a Place to Cool Down This Weekend: The Sonoma West Medical Center's reception area has excellent air conditioning, and is available to those who need a place to cool down over the weekend. The Medical Center is open 24/7, and is located at 501 Petaluma Avenue in Sebastopol. (823-8511). To the extent the heat continues into next week, the Sebastopol Community Cultural Center's Community Lounge is air conditioned and is open to the public Tuesday-Friday each week, from 10am to 4pm. The Community Center is at 390 Morris Street in Sebastopol (823-1511). This weekend, though, the place to go is the Medical Center at 501 Petaluma (823-8511).