Flash Flood Area Warning Signs | National Forest Service
The Flash Flood Area warning sign may also be posted at appropriate locations along roads within long stream corridors outside of developed recreation sites when the Forest Service has determined these areas are vulnerable to flash flooding.
- PRODUCT ID: JUAFW818A(XXXX)(H)A
- Size (XXXX):
(3636) 36" x 36" for use on Single Lane/Multi-Lane (Conventional) Roads
(3030) 30" x 30" for use on Low Volume Roads 30 MPH or Less Only (typical size)
(2424) 24" x 24" for use on Low Volume Roads 30 MPH or Less Only (minimum size) - Reflective Sheeting:
(H) High Intensity Prismatic - Substrate: .080" Aluminum
- NFS Sign Designation: FW8-18a
