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Examples of Impact Based Warning Tags

Example - Tornado Warning

Tag: Radar Indicated or Observed

Radar Indicated: Evidence on radar and near storm environment is supportive, but no confirmation.
Observed: Tornado is confirmed by spotters, law enforcement, etc.

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note: Red highlighted areas indicate changes

Example  - Tornado Warning

Tag: Considerable

When there is credible evidence that a tornado, capable of producing considerable damage, is imminent or ongoing.

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note: Red highlighted areas indicate changes
note: After 2012 feedback, "Considerable" takes the place of "Significant" in the 2013 Impact Based Warning Products

Example - Tornado Warning

Tag: Catastrophic

When a severe threat to human life and catastrophic damage from a tornado is occurring, and will only be used when reliable sources confirm a violent tornado.

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note: Red highlighted areas indicate changes

Example - Severe Thunderstorm Warning

Tag: Tornado Possible

A severe thunderstorm has some potential for producing a tornado although forecaster confidence is not high enough to issue a Tornado Warning.

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note: Red highlighted areas indicate changes