It selectively displays a label based on how severe a warning should be.
Simply add it to your chart, then open the code to make a copy for your own use.
Normally I would make this a library, but because libraries can't retain state (yet) and pine script doesn't allow classes (yet), I thought this would be nice to share as I find value in it myself.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.