UP Black-Ice Morning Chip

Corridor + temp/dewpoint/precip heuristic → black-ice risk chip for named UP corridors before dawn.

Use freeFull core runs in your browser — no account required.

ProFree core + $3.99 pro. One-time unlock on this device.

Local-firstYour data stays in the browser unless you export it.

UP corridor

Inputs

Time of day bias

Air temp °F

Dewpoint °F

Road surface

Precip type (last 12h / now)

Wind mph (optional)