Disclaimer: This visualization is experimental and for informational purposes only. Storm-cell characteristics are algorithmically determined and are not human-issued warnings. False positives may occur. Life and death decisions should not be made using these data. For official warnings, use the Severe Weather BrowserActive Storm Cells Visualization
Note: Storm cells that meet multiple criteria are categorized with the most severe category.
● Tornadic – Radar detects a potential tornadic vortex signature (TVS).
● Rotating – A high probability of significant rotation is detected.
● Hail – A high probability of hail size estimated at .25″ or greater.
● General – All other storm cells
● Rotating – A high probability of significant rotation is detected.
● Hail – A high probability of hail size estimated at .25″ or greater.
● General – All other storm cells
By Storm Cell Category
By Storm Cell Category
By State
Direction
Speed (mph)
Storm Top (1000 ft)
Hail Probabilities (%)
Est. Hail Size (inches)
Precip Rate (dBZ)
VIL (kg/m2)