SOARING FORECAST FOR GREAT FALLS, MT DATE...12/24/2025...12Z (Based on model generated sounding profile) THERMAL INDEX (TI), TEMPERATURE of CONVECTION (TOC) and POTENTIAL LIFT at each level HEIGHT | TI | TOC | POTENTIAL LIFT 4000 FT ASL | 2.8 | 35 | 261 5000 FT ASL | 10.0 | 48 | 157 6000 FT ASL | 14.9 | 58 | 106 7000 FT ASL | 18.0 | 64 | 97 8000 FT ASL | 19.0 | 66 | 147 9000 FT ASL | 19.1 | 67 | 210 10000 FT ASL | 19.2 | 67 | 272 11000 FT ASL | 19.3 | 68 | 335 12000 FT ASL | 19.4 | 68 | 398 13000 FT ASL | 20.1 | 70 | 453 14000 FT ASL | 20.8 | 72 | 501 15000 FT ASL | 21.6 | 74 | 547 HEIGHT OF THE -3 THERMAL INDEX....3559 TOP OF THE LIFT............3887 GREAT FALLS, MT MAX TEMPERATURE FORECAST.........30 DEGREES F FIRST USABLE LIFT..........62 DEGREES F HEIGHT OF FIRST USABLE LIFT..........6676 FT ASL GREAT BASIN SOARING INDEX (max lift)...0 FT/MIN UPPER LEVEL WINDS - Height (Feet Above MSL) | Direction | Speed (knots) Morning #### Afternoon 4000 057 3 #### 060 8 5000 197 2 #### 188 22 6000 214 12 #### 200 34 7000 228 21 #### 217 38 8000 236 26 #### 226 32 9000 237 27 #### 239 36 10000 235 26 #### 240 39 11000 236 25 #### 244 34 12000 238 26 #### 232 20 13000 239 26 #### 216 16 14000 238 28 #### 219 19 15000 236 30 #### 225 24 IT IS EMPHASIZED...THIS EXPERIMENTAL SOARING FORECAST INFORMATION IS NOT CONTINUOUSLY MONITORED. THIS INFORMATION IS VALID ONLY FOR THE INDICATED SITE AREA AND FREQUENTLY WILL NOT APPLY TO OTHER AREAS IN THE REGION.