We engineer all our installations to withstand 105-110-mile-an-hour winds, well below the current expectations of Ana.
However, homeowners should make sure that all loose items like outdoor furniture, planters, toys, etc. are secured. If the power goes off the system should automatically shut down, but to be safe we recommend that homeowners trip the disconnect switch on the PV system.
The tips on this link were prepared for Hawaii’s last storm watch — Iselle and Julio — but the name of the storm doesn’t matter — preparation does!
You can track tropical storm Ana here: http://www.weather.gov/