SOARING FORECAST FOR GREAT FALLS, MT DATE...4/29/2025...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 | -5.9 | 51 | 89 5000 FT ASL | -4.7 | 53 | 131 6000 FT ASL | -4.4 | 54 | 194 7000 FT ASL | -2.5 | 57 | 221 8000 FT ASL | -0.6 | 61 | 253 9000 FT ASL | -0.2 | 62 | 314 10000 FT ASL | 1.5 | 65 | 343 11000 FT ASL | 3.9 | 70 | 356 12000 FT ASL | 5.7 | 73 | 384 13000 FT ASL | 7.1 | 76 | 425 14000 FT ASL | 7.7 | 78 | 477 15000 FT ASL | 8.5 | 79 | 528 HEIGHT OF THE -3 THERMAL INDEX....6840 TOP OF THE LIFT............9219 GREAT FALLS, MT MAX TEMPERATURE FORECAST.........62 DEGREES F FIRST USABLE LIFT..........56 DEGREES F HEIGHT OF FIRST USABLE LIFT..........6676 FT ASL GREAT BASIN SOARING INDEX (max lift)...321 FT/MIN UPPER LEVEL WINDS - Height (Feet Above MSL) | Direction | Speed (knots) Morning #### Afternoon 4000 231 25 #### 250 18 5000 254 25 #### 253 20 6000 271 25 #### 257 20 7000 286 27 #### 264 22 8000 288 14 #### 282 24 9000 272 15 #### 288 27 10000 271 20 #### 291 28 11000 280 19 #### 286 28 12000 279 20 #### 283 30 13000 280 22 #### 279 31 14000 287 24 #### 274 32 15000 293 26 #### 268 34 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.