Frisco, TX

Whelen WPS-2910 - Elm St & 7th St. Frisco tests their outdoor warning system on  the 1st, Wensday's at noon, (Full Test) and on the remaining Wensday's of the month  at noon (Voice Test), weather permitting. Pictures taken July 23rd 2025. Submitted by Gavin The Fire Alarm and Siren Guy.

Whelen WPS-4004 - (33.1285581, -96.7960330). This is one of the few 4004s still remaining in Frisco. Frisco test there sirens every Wednesday @12:00. Submitted by TornadoSirensOfDFW.