Heimdall 
Visualization
heimdall.stormscale.io
Heimdall
Real-time and archive MRMS + ProbSevere interactive visualization, storm tracking, and alerting. Intended for CONUS-scale situational awareness and tracking of severe storms.
SPC Convective Outlooks
Forecast
NWS Storm Prediction Center
SPC Convective Outlooks
Day 1 through Day 8 severe thunderstorm outlooks issued by the NWS Storm Prediction Center. A mobile-friendly and interactive map + text discussion browser.
SPC Fire Outlooks
Forecast
NWS Storm Prediction Center
SPC Fire Outlooks
Day 1 through Day 8 fire weather outlooks issued by the NWS Storm Prediction Center. A mobile-friendly and interactive map + text discussion browser.