Nearest official station · pressure anchor
1008.2hPa
▼ falling
NOAA 8720218 — Mayport (St. Johns R.) · simulated feed for demo
ℹ️ Browsers can't read your phone's barometer — pressure anchors come from official stations. (An optional native companion app can add phone pressure for power users.)
Your phone's in-browser sensors (real)
Uses the accelerometer via your browser — no install. iOS will ask once. Requires HTTPS.
Location
Geolocation needs HTTPS (see README). Fallback picker always works.
Badges
What are you seeing?
Severity — 3/5
Note (the LLM structures this)
+50 pts · +30 bonus if severity ≥4 · retroactive +25 if your report becomes part of a confirmed triangle
When 2 of 3 channels agree but the third is missing, the twin asks nearby people to be the third tape. One tap. +10 pts.
⛈ Storm leaderboard
🥇 SquareSquirrel 1240 · 🥈 UrbanCoreUF 980 · 🥉 ParkStPaddler 760 · You 0