| SREF 3 Hour Calibrated Thunderstorm |
| 51 Hour |
54 Hour |
57 Hour |
60 Hour |
 |
 |
 |
 |
| 63 Hour |
66 Hour |
69 Hour |
72 Hour |
 |
 |
 |
 |
| |
| SREF 51 Hour Calibrated Severe Thunderstorm |
| 51 Hour |
54 Hour |
57 Hour |
60 Hour |
 |
 |
 |
 |
| 63 Hour |
66 Hour |
69 Hour |
72 Hour |
 |
 |
 |
 |
| |
| SREF Probability MUCAPE >= 2000 J/k, Shear >30 Kts and QPF >= 0.01 |
| 51 Hour |
54 Hour |
57 Hour |
60 Hour |
 |
 |
 |
 |
| 63 Hour |
66 Hour |
69 Hour |
72 Hour |
 |
 |
 |
 |
| |
| Median Craven-Brooks Significant Severe |
| 51 Hour |
54 Hour |
57 Hour |
60 Hour |
 |
 |
 |
 |
| 63 Hour |
66 Hour |
69 Hour |
72 Hour |
 |
 |
 |
 |
| |
| SREF Median Supercell Composite Parameter >= 1 |
| 51 Hour |
54 Hour |
57 Hour |
60 Hour |
 |
 |
 |
 |
| 63 Hour |
66 Hour |
69 Hour |
72 Hour |
 |
 |
 |
 |
| |
| SREF Probability SigTor Parameter >= 1 |
| 51 Hour |
54 Hour |
57 Hour |
60 Hour |
 |
 |
 |
 |
| 63 Hour |
66 Hour |
69 Hour |
72 Hour |
 |
 |
 |
 |
