SOARING FORECAST FOR SEATTLE, WA DATE...9/16/2026...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 | 0.1 | 73 | 121 5000 FT ASL | 1.5 | 76 | 161 6000 FT ASL | 2.6 | 78 | 203 7000 FT ASL | 3.5 | 80 | 251 8000 FT ASL | 5.0 | 83 | 290 9000 FT ASL | 6.8 | 86 | 318 10000 FT ASL | 8.2 | 89 | 351 11000 FT ASL | 9.2 | 92 | 395 12000 FT ASL | 10.1 | 94 | 443 13000 FT ASL | 11.0 | 96 | 495 14000 FT ASL | 11.9 | 98 | 540 15000 FT ASL | 13.0 | 100 | 584 HEIGHT OF THE -3 THERMAL INDEX....2329 TOP OF THE LIFT............3969 SEATTLE, WA MAX TEMPERATURE FORECAST.........73 DEGREES F FIRST USABLE LIFT..........71 DEGREES F HEIGHT OF FIRST USABLE LIFT..........3231 FT ASL GREAT BASIN SOARING INDEX (max lift)...118 FT/MIN UPPER LEVEL WINDS - Height (Feet Above MSL) | Direction | Speed (knots) Morning #### Afternoon 4000 051 13 #### 044 13 5000 048 13 #### 071 11 6000 049 14 #### 083 14 7000 047 15 #### 076 14 8000 049 17 #### 065 14 9000 048 21 #### 063 14 10000 046 23 #### 069 13 11000 044 25 #### 078 12 12000 042 24 #### 089 11 13000 039 23 #### 099 11 14000 036 21 #### 100 12 15000 035 20 #### 087 17 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.