The WALT Tornado model 2 forecast the tornado intensity of the Norman Oklahoma tornado at EF-0 to EF-2. Damage within the actual tracks ranged from EF-0 to EF-2. WALT Model 2 also forecast three days in advance on Twitter the tornadoes near Norman with EF- intensities. In the past, WALT Model 2 has forecast for Durant Oklahoma Emergency Manager and was accurate. One can purchase WALT Model 2 for selected regions at SONFIRE ALMANACS LLC Tornado Intensity Tracking - Payhip.