SOARING FORECAST FOR GREAT FALLS, MT DATE...7/13/2025...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 | -10.1 | 75 | 170 5000 FT ASL | -8.6 | 77 | 208 6000 FT ASL | -8.0 | 78 | 265 7000 FT ASL | -7.3 | 79 | 322 8000 FT ASL | -6.9 | 80 | 389 9000 FT ASL | -6.3 | 81 | 447 10000 FT ASL | -5.8 | 82 | 507 11000 FT ASL | -3.7 | 86 | 531 12000 FT ASL | -1.3 | 90 | 542 13000 FT ASL | 0.7 | 94 | 573 14000 FT ASL | 1.8 | 97 | 616 15000 FT ASL | 2.6 | 98 | 667 HEIGHT OF THE -3 THERMAL INDEX....11269 TOP OF THE LIFT............12663 GREAT FALLS, MT MAX TEMPERATURE FORECAST.........93 DEGREES F FIRST USABLE LIFT..........79 DEGREES F HEIGHT OF FIRST USABLE LIFT..........6676 FT ASL GREAT BASIN SOARING INDEX (max lift)...557 FT/MIN UPPER LEVEL WINDS - Height (Feet Above MSL) | Direction | Speed (knots) Morning #### Afternoon 4000 268 13 #### 266 7 5000 292 12 #### 269 8 6000 299 12 #### 271 8 7000 298 6 #### 274 8 8000 278 5 #### 277 8 9000 268 8 #### 279 9 10000 272 11 #### 281 9 11000 282 15 #### 287 11 12000 293 17 #### 292 15 13000 302 17 #### 294 19 14000 304 18 #### 291 20 15000 306 19 #### 289 22 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.