Live NWS Alerts
Watches, warnings, and emergencies plotted the instant they're issued — tornado, severe, flash flood, marine, and more, with full polygon geometry.
Live severe weather platform
Every storm. Every alert.
Every storm. Every alert.
In real time.
DarkCell brings live NWS alerts, multi-product radar, SPC outlooks, satellite, and decades of storm history together in one fast, free dashboard — built to watch severe weather the moment it happens.
Real-timeAlerts plotted on issue
FreeNo account, no paywall
1950 – NowTornado-track archive
SearchableFull alert history & stats
Capabilities
One dashboard, the whole sky.
Everything you need to follow severe weather — together in one fast, free app.
Multi-Product Radar
Reflectivity, velocity, and dual-pol rendered right in your browser — smooth, fast, and frame-accurate from any site in the network.
SPC Outlooks
Categorical, tornado, wind, and hail probabilities — plus mesoscale discussions — refreshed straight from the Storm Prediction Center.
Satellite Imagery
Live GOES visible, infrared, and water-vapor layers pulled directly from NOAA — overlaid on the same map as everything else.
Forecast Models
High-resolution model guidance overlaid on the map, so you can see what's coming — not just what's already on top of you.
Historical Storm Tools
Replay past events, scrub archived radar frame-by-frame, and explore official tornado tracks reaching back to 1950.
Tropical Tracking
NHC advisories, forecast cones, and live tropical cyclone positions for the Atlantic and eastern Pacific basins.
Live Lightning
Real-time lightning strike mapping near the active storm, so you can watch a cell electrify as it intensifies.
Alert Statistics
Every warning is logged and counted — browse the busiest days, search the full alert history, and see how active a season really was.
Why DarkCell
Everything in one place.
Most setups scatter your weather across a radar site, a model viewer, and a separate watch-and-warning map. DarkCell pulls it all into one fast, free tool — live radar with alerts and lightning right on the map, plus outlooks, satellite, and models a click away.
- ✓ Live radar, alerts & lightning together on one map
- ✓ Browser-rendered radar that stays smooth under load
- ✓ Every alert logged — searchable history and stats
- ✓ Completely free — no account, no paywall
Trusted sources
Straight from the source.
No middlemen, no stale feeds. DarkCell pulls straight from the organizations that issue and archive the data.
National Weather Service
Storm Prediction Center
National Hurricane Center
Iowa Environmental Mesonet
NOAA GOES
Unidata NEXRAD Archive
Stay ahead of the storm.
Open DarkCell and track severe weather as it develops — completely free, no account required.
Launch DarkCell →