Weather Alert System

  • CISD has equipped each campus and facility with a Perry Weather Alert System. Renters and community members are obligated to follow the instuctons located on each campus should the siren sound when there is severe wather in the area.  

    What the Sounds and Strobe Lights Mean:

    One Long 10-Second Horn Blast
    Lightning Detected - Seek Shelter Now

    Strobe Flashing
    Ligthning in Area - Under Alert - Seek Shleter Now

    Three Short 5-Second Horn Blast and Strobe Off
    All Clear - Safe to Resume Outdoor Activities

    What to Do:

    • Clear the fields and bleachers
    • Go to an enclosed automobile or truck
    • Get to an approved lightning shelter 


    • The outdoors
    • Metal fences
    • Water
    • Trees
    • Elevated ground
    • Golf carts
    • Open exposed areas
    • Overhead wires and power lines
    • Elevated ground
    • Rain shelters

    No place is safe during a thunderstorm! This system does not guarantee that conditions are safe.