I made a weather display with an LED strip and an ESP32 that runs from MQTT messages sent from Node Red. It shows (from top to bottom):
Alerts (system alerts, unused as of yet)
Wind speed (Off-->Green-->Yellow--Red)
Lightning (unused, need to wire up the lightning sensor)
Rain Rate (Off-->Green-->Yellow--Red)
Outside temperature (White-->Blue-->Green-->Yellow-->Red)
Outdoor air quality (Green-->Yellow-->Orange-->Red-->Purple-->Maroon)
So far I'm happy with it. Now I'm thinking of doing an Apocalypse meter that scours the web (maybe particular news sites?) for certain keywords and calculates the "probability" of certain types of disasters:
Earthquakes and nearby lightning storms along with nearby traffic and/or public transport incidents would all be things that might be useful. Floods as well of course.