Today we have a blend of many COMPUTER MODELS that do all the forecasting and forecasters decide which one they like or they average them out to come up with a best guess scenario for storm systems. They have proven to be quite accurate tools for the trade however when it comes to severe weather such as supercell thunderstorms, tornadoes and flooding that will always need the storm chaser, storm tracker, or weather spotters.
Although it seems the technology seeks to replace man I prefer real people to spot and report tornadoes and various other severe thunderstorm criteria including flooding, hail, wind damage, etc. NEXRAD RADAR improvements have come a long way and are very helpful and there is less excuse today for people to not know what is going on weather-wise:
...developing...