


Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
209 UXUS97 KSLC 061228 SRGSLC Soaring Forecast National Weather Service Salt Lake City, Utah 628 AM MDT Saturday, September 6, 2025 This forecast is for Saturday, September 6, 2025: If the trigger temperature of 80.1 F/26.7 C is reached...then Thermal Soaring Index....................... Excellent Maximum rate of lift........................ 1105 ft/min (5.6 m/s) Maximum height of thermals.................. 16588 ft MSL (11662 ft AGL) Forecast maximum temperature................... 85.0 F/29.9 C Time of trigger temperature.................... 1245 MDT Time of overdevelopment........................ 1500 MDT Middle/high clouds during soaring window....... Broken/overcast thin middle Surface winds during soaring window............ 20 mph or less Height of the -3 thermal index................. 8227 ft MSL (3301 ft AGL) Thermal soaring outlook for Sunday 09/07....... Excellent Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 07:00:19 / 19:51:42 MDT Total possible sunshine........... 12 hr 51 min 23 sec (771 min 23 sec) Altitude of sun at 13:26:01 MDT... 54.87 degrees Upper air data from rawinsonde observation taken on 09/06/2025 at 0600 MDT Freezing level.................. 14267 ft MSL (9341 ft AGL) Convective condensation level... 14187 ft MSL (9261 ft AGL) Lifted condensation level....... 14880 ft MSL (9954 ft AGL) Lifted index.................... -2.2 K index......................... +28.1 Height Temperature Wind Wind Spd Lapse Rate ConvectionT Thermal Lift Rate ft MSL deg C deg F Dir kt m/s C/km F/kft deg C deg F Index fpm m/s -------------------------------------------------------------------------------- 26000 -24.8 -12.6 265 27 14 7.8 4.3 39.8 103.7 8.2 M M 24000 -20.1 -4.2 265 26 13 7.9 4.3 38.4 101.2 7.3 M M 22000 -14.8 5.4 270 23 12 7.0 3.8 37.0 98.6 6.2 M M 20000 -11.3 11.7 265 18 10 6.1 3.3 34.2 93.6 3.9 M M 18000 -8.1 17.4 260 16 8 6.2 3.4 31.5 88.8 1.4 M M 16000 -4.1 24.6 265 16 8 7.6 4.2 29.7 85.4 -0.4 1046 5.3 14000 0.6 33.1 265 16 8 8.6 4.7 28.5 83.4 -1.6 847 4.3 12000 6.0 42.8 260 15 8 9.6 5.3 28.1 82.7 -2.1 626 3.2 10000 11.7 53.1 250 14 7 9.0 4.9 28.1 82.7 -2.2 395 2.0 9000 14.4 57.9 240 13 6 8.1 4.4 27.9 82.2 -2.5 286 1.5 8000 17.3 63.1 220 12 6 7.5 4.1 27.2 81.0 -3.3 163 0.8 7000 19.1 66.4 200 12 6 6.3 3.4 26.2 79.2 -4.4 78 0.4 6000 19.6 67.3 175 14 7 -1.1 -0.6 23.9 75.0 -6.8 33 0.2 5000 17.4 63.3 145 7 4 -76.6 -42.0 18.8 65.8 -12.0 70 0.4 * * * * * * Numerical weather prediction model forecast data valid * * * * * * 09/06/2025 at 0900 MDT | 09/06/2025 at 1200 MDT | CAPE... +126.8 LI... -1.4 | CAPE... +515.2 LI... -2.1 CINH... -106.8 K Index... +30.0 | CINH... -32.6 K Index... +32.0 | Height Temperature Wnd WndSpd Lapse Rate | Temperature Wnd WndSpd Lapse Rate ft MSL deg C deg F Dir kt m/s C/km F/kft | deg C deg F Dir kt m/s C/km F/kft -------------------------------------------------------------------------------- 26000 -24.2 -11.6 210 9 4 7.3 4.0 | -23.9 -11.0 220 11 6 7.6 4.2 24000 -20.0 -4.0 210 10 5 6.9 3.8 | -19.6 -3.3 210 11 6 6.6 3.6 22000 -16.0 3.2 210 12 6 7.0 3.8 | -15.8 3.6 205 12 6 6.6 3.6 20000 -11.6 11.1 205 13 6 6.6 3.6 | -11.4 11.5 195 13 7 6.8 3.7 18000 -7.8 18.0 195 13 7 6.3 3.5 | -7.8 18.0 190 14 7 5.8 3.2 16000 -4.1 24.6 185 13 7 6.7 3.7 | -4.2 24.4 190 14 7 6.9 3.8 14000 0.1 32.2 185 10 5 7.8 4.3 | -0.3 31.5 190 14 7 7.1 3.9 12000 4.8 40.6 190 7 4 8.4 4.6 | 4.5 40.1 195 12 6 9.0 4.9 10000 9.7 49.5 205 5 3 7.2 4.0 | 9.6 49.3 200 10 5 7.3 4.0 9000 12.1 53.8 205 4 2 7.7 4.2 | 12.0 53.6 200 10 5 8.1 4.5 8000 14.3 57.7 205 5 2 7.6 4.1 | 14.3 57.7 200 9 5 8.5 4.7 7000 16.4 61.5 195 6 3 5.8 3.2 | 16.8 62.2 200 9 5 8.3 4.5 6000 17.9 64.2 180 8 4 3.2 1.7 | 19.2 66.6 200 8 4 11.1 6.1 5000 19.9 67.8 150 6 3 8.1 4.4 | 21.8 71.2 200 6 3 12.4 6.8 09/06/2025 at 1500 MDT | 09/06/2025 at 1800 MDT | CAPE... +519.3 LI... -2.0 | CAPE... +716.4 LI... -2.7 CINH... -6.5 K Index... +31.5 | CINH... -19.3 K Index... +30.5 | Height Temperature Wnd WndSpd Lapse Rate | Temperature Wnd WndSpd Lapse Rate ft MSL deg C deg F Dir kt m/s C/km F/kft | deg C deg F Dir kt m/s C/km F/kft -------------------------------------------------------------------------------- 26000 -23.6 -10.5 240 10 5 7.7 4.2 | -23.4 -10.1 265 17 9 8.3 4.5 24000 -19.2 -2.6 235 10 5 7.0 3.8 | -18.8 -1.8 265 17 9 6.7 3.7 22000 -15.1 4.8 225 11 6 7.1 3.9 | -14.9 5.2 265 16 8 6.9 3.8 20000 -10.9 12.4 225 13 6 6.3 3.5 | -10.8 12.6 270 16 8 6.2 3.4 18000 -7.3 18.9 230 15 8 6.0 3.3 | -7.1 19.2 265 17 9 6.3 3.4 16000 -3.7 25.3 220 16 8 6.5 3.6 | -3.4 25.9 260 19 10 6.8 3.7 14000 0.4 32.7 210 16 8 7.5 4.1 | 0.7 33.3 245 18 9 8.1 4.5 12000 4.8 40.6 205 14 7 8.3 4.6 | 5.5 41.9 240 14 7 8.7 4.8 10000 9.7 49.5 210 11 6 8.0 4.4 | 10.6 51.1 240 10 5 7.9 4.4 9000 12.5 54.5 215 10 5 9.5 5.2 | 13.3 55.9 240 8 4 8.9 4.9 8000 15.3 59.5 220 8 4 9.6 5.3 | 16.0 60.8 245 5 3 8.8 4.8 7000 18.2 64.8 230 7 3 9.5 5.2 | 18.6 65.5 265 2 1 9.0 4.9 6000 21.0 69.8 245 6 3 10.0 5.5 | 21.0 69.8 020 2 1 9.7 5.3 5000 26.1 79.0 260 4 2 68.1 37.4 | 25.1 77.2 030 3 1 39.5 21.6 ________________________________________________________________________________ This product is issued once per day by approximately 0600 MST/0700 MDT (1300 UTC). This product is not continuously monitored nor updated after the initial issuance. The information contained herein is based on the 1200 UTC rawinsonde observation at the Salt Lake City, Utah International Airport and/or numerical weather prediction model data representative of the airport. These data may not be representative of other areas along the Wasatch Front. Erroneous data such as these should not be used. The content and format of this report as well as the issuance times are subject to change without prior notice. 042025