I see a lot of advice on chasing, but not much on forecasting. Unfortunately, getting good at forecasting takes a lot of practice, and a lot of days spent following events at the computer to begin to build a vision of what a tornadic vs. nontornadic setup looks like. And that is the easy part. Once you know basically what a "good" setup is, you can look through the plethora of model guidance well beforehand and the observations as the event draws closer in time to identify where things look to be coming together. Read the SPC outlooks, and then look through model products and observations to find the features that they are talking about. Those guys are pretty good forecasters of convective weather and often give thoughtful and thorough discussions. An over-reliance on models will often give disappointing results - particularly as the event draws nearer - and to really use them effectively beyond just trusting them as "perfect" (which is far from true), takes a lot of time following the model evolutions, learning their biases, and seeing how the forecast conditions compare to what actually occurs. Of course, this is a lot of work - and you can often do well just following the guidance of others (such as SPC) and using technology as a surrogate for accurate forecasting (use the model , NWS and SPC forecasts to get you in the neighborhood and then with the aid of new information in the field refine your position until you can go "visual" and follow the chasing tips).
Good luck,
Glen
