The monthly drill of Sumner’s lahar warning siren is scheduled for Monday at noon.

Pierce County Emergency Management is testing the warning sirens for up to one minute. Sumner has two All Hazards Alert Broadcast sirens The lahar sirens are designed for the outdoor and driving public and are one of the tools used to alert residents during a lahar.

The emergency management agency is testing the Pierce County ALERT system along with the lahar sirens.

Pierce County ALERT enables the county to contact residents and businesses during emergencies.

The morning of the siren drill, Emergency Management will call residents of the Puyallup River Valley to remind them of the test.