SOARING FORECAST FOR SEATTLE, WA DATE...8/23/2026...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 | -2.2 | 71 | 150 5000 FT ASL | -0.7 | 74 | 185 6000 FT ASL | 0.2 | 75 | 234 7000 FT ASL | 2.1 | 79 | 261 8000 FT ASL | 4.2 | 83 | 287 9000 FT ASL | 6.9 | 89 | 289 10000 FT ASL | 7.8 | 91 | 335 11000 FT ASL | 8.5 | 92 | 388 12000 FT ASL | 9.0 | 93 | 444 13000 FT ASL | 9.6 | 95 | 506 14000 FT ASL | 10.1 | 96 | 560 15000 FT ASL | 10.8 | 98 | 611 HEIGHT OF THE -3 THERMAL INDEX....3723 TOP OF THE LIFT............5610 SEATTLE, WA MAX TEMPERATURE FORECAST.........75 DEGREES F FIRST USABLE LIFT..........68 DEGREES F HEIGHT OF FIRST USABLE LIFT..........3231 FT ASL GREAT BASIN SOARING INDEX (max lift)...209 FT/MIN UPPER LEVEL WINDS - Height (Feet Above MSL) | Direction | Speed (knots) Morning #### Afternoon 4000 239 10 #### 003 4 5000 227 8 #### 263 4 6000 253 6 #### 330 5 7000 318 5 #### 341 9 8000 333 8 #### 336 14 9000 304 10 #### 333 18 10000 291 12 #### 334 20 11000 289 12 #### 333 21 12000 288 12 #### 332 22 13000 284 13 #### 330 22 14000 277 14 #### 327 22 15000 273 15 #### 323 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.