SOARING FORECAST FOR GREAT FALLS, MT DATE...6/20/2025...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 | 59 | 151 5000 FT ASL | -1.3 | 68 | 112 6000 FT ASL | 1.2 | 72 | 121 7000 FT ASL | 3.0 | 76 | 147 8000 FT ASL | 4.3 | 78 | 194 9000 FT ASL | 5.3 | 80 | 238 10000 FT ASL | 6.3 | 82 | 283 11000 FT ASL | 7.1 | 84 | 334 12000 FT ASL | 7.8 | 85 | 384 13000 FT ASL | 8.7 | 87 | 439 14000 FT ASL | 9.2 | 89 | 492 15000 FT ASL | 9.8 | 90 | 550 HEIGHT OF THE -3 THERMAL INDEX....4461 TOP OF THE LIFT............5610 GREAT FALLS, MT MAX TEMPERATURE FORECAST.........70 DEGREES F FIRST USABLE LIFT..........75 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 280 9 #### 302 13 5000 217 12 #### 273 14 6000 197 17 #### 252 20 7000 204 17 #### 248 21 8000 213 18 #### 246 20 9000 213 18 #### 240 19 10000 212 20 #### 228 17 11000 216 21 #### 211 17 12000 214 22 #### 203 18 13000 212 23 #### 190 21 14000 213 24 #### 186 24 15000 215 26 #### 185 27 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.