Outdoor Warning System

Click on the image to view the Little Rock Outdoor Warning System (PDF)

56 Whelen WPS Sirens

• Tone 1 – WAIL – Wildfire Alert
• Tone 2 – ATTACK – Evacuation Tone
• Tone 3 – ALERT – Tornado Warning
• Tone 4 – HI/LO – Hazardous Materials Incident
• Tone 5 – AIR HORN – All Clear
• Tone 6 – SLOW WHOOP – Test