Active Storm Cell Visualization and Statistics

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 Browser

Active 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
By Storm Cell Category
By Storm Cell Category
By State
Speed (mph)
Storm Top (1000 ft)
Hail Probabilities (%)
Est. Hail Size (inches)
Precip Rate (dBZ)
VIL (kg/m2)