


Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
043 UXUS97 KSLC 291228 SRGSLC Soaring Forecast National Weather Service Salt Lake City, Utah 628 AM MDT Friday, August 29, 2025 This forecast is for Friday, August 29, 2025: If the trigger temperature of 75.9 F/24.4 C is reached...then Thermal Soaring Index....................... Excellent Maximum rate of lift........................ 1023 ft/min (5.2 m/s) Maximum height of thermals.................. 16058 ft MSL (11131 ft AGL) Forecast maximum temperature................... 82.0 F/28.2 C Time of trigger temperature.................... 1130 MDT Time of overdevelopment........................ None Middle/high clouds during soaring window....... None Surface winds during soaring window............ 20 mph or less Height of the -3 thermal index................. 9523 ft MSL (4597 ft AGL) Thermal soaring outlook for Saturday 08/30..... Excellent Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 06:52:30 / 20:04:43 MDT Total possible sunshine........... 13 hr 12 min 12 sec (792 min 12 sec) Altitude of sun at 13:28:36 MDT... 57.65 degrees Upper air data from rawinsonde observation taken on 08/29/2025 at 0600 MDT Freezing level.................. 13587 ft MSL (8660 ft AGL) Convective condensation level... 14195 ft MSL (9268 ft AGL) Lifted condensation level....... 14932 ft MSL (10006 ft AGL) Lifted index.................... -1.5 K index......................... +24.3 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 -26.3 -15.3 300 19 10 8.3 4.5 38.3 100.9 8.3 M M 24000 -21.6 -6.9 305 17 9 7.2 3.9 37.0 98.5 7.4 M M 22000 -17.3 0.9 310 16 8 7.2 4.0 35.1 95.2 6.0 M M 20000 -12.6 9.3 315 14 7 7.3 4.0 33.1 91.5 4.3 M M 18000 -9.3 15.3 310 10 5 5.9 3.2 30.4 86.6 1.9 M M 16000 -5.4 22.3 315 7 3 6.6 3.6 28.2 82.8 -0.1 1016 5.2 14000 -1.1 30.0 005 6 3 8.7 4.8 26.7 80.0 -1.7 829 4.2 12000 4.2 39.6 010 9 4 8.8 4.8 26.1 79.0 -2.3 612 3.1 10000 9.5 49.1 360 9 5 8.4 4.6 25.7 78.2 -2.8 393 2.0 9000 12.0 53.6 360 9 4 8.7 4.8 25.3 77.6 -3.2 286 1.5 8000 14.5 58.1 360 7 3 8.5 4.7 24.9 76.9 -3.7 184 0.9 7000 17.1 62.8 020 3 2 6.6 3.6 24.0 75.3 -4.7 68 0.3 6000 18.4 65.1 125 3 1 3.2 1.7 22.5 72.6 -6.4 M M 5000 17.1 62.8 125 4 2 -60.8 -33.3 18.3 65.0 -10.7 11 0.1 * * * * * * Numerical weather prediction model forecast data valid * * * * * * 08/29/2025 at 0900 MDT | 08/29/2025 at 1200 MDT | CAPE... +75.1 LI... -0.7 | CAPE... +393.1 LI... -1.8 CINH... -47.7 K Index... +25.7 | CINH... -19.7 K Index... +26.1 | 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 -24.0 -11.2 230 28 15 6.7 3.7 | -24.4 -11.9 225 29 15 7.4 4.1 24000 -20.1 -4.2 230 21 11 6.5 3.5 | -20.2 -4.4 230 22 11 6.2 3.4 22000 -15.7 3.7 250 14 7 6.3 3.5 | -16.1 3.0 255 11 6 6.4 3.5 20000 -12.2 10.0 260 9 5 6.1 3.3 | -12.4 9.7 270 5 3 6.4 3.5 18000 -8.5 16.7 280 6 3 6.5 3.6 | -8.7 16.3 305 3 2 6.3 3.5 16000 -4.7 23.5 300 5 2 6.7 3.7 | -5.1 22.8 330 3 2 5.9 3.3 14000 -0.7 30.7 340 4 2 7.6 4.1 | -0.9 30.4 360 4 2 7.9 4.4 12000 3.8 38.8 010 6 3 8.2 4.5 | 4.0 39.2 010 5 3 8.6 4.7 10000 8.7 47.7 020 7 4 9.0 5.0 | 9.1 48.4 015 4 2 9.2 5.1 9000 11.2 52.2 025 6 3 8.6 4.7 | 11.6 52.9 360 4 2 9.0 4.9 8000 13.8 56.8 025 6 3 7.5 4.1 | 14.3 57.7 355 3 2 7.8 4.3 7000 16.1 61.0 035 4 2 7.0 3.9 | 16.8 62.2 335 4 2 9.7 5.3 6000 18.0 64.4 045 3 2 5.3 2.9 | 19.3 66.7 315 4 2 11.3 6.2 5000 20.3 68.5 065 1 1 15.7 8.6 | 22.0 71.6 310 4 2 14.2 7.8 08/29/2025 at 1500 MDT | 08/29/2025 at 1800 MDT | CAPE... +312.1 LI... -1.3 | CAPE... +210.6 LI... -1.0 CINH... -14.4 K Index... +25.2 | CINH... -34.2 K Index... +24.1 | 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 -25.3 -13.5 235 26 13 7.5 4.1 | -26.0 -14.8 250 23 12 7.3 4.0 24000 -21.0 -5.8 240 20 11 7.1 3.9 | -21.7 -7.1 250 18 9 7.4 4.1 22000 -16.2 2.8 250 12 6 7.1 3.9 | -17.3 0.9 255 12 6 7.5 4.1 20000 -12.1 10.2 245 7 3 7.0 3.8 | -12.4 9.7 260 9 5 7.4 4.0 18000 -8.3 17.1 245 3 2 6.4 3.5 | -8.3 17.1 265 7 4 6.9 3.8 16000 -4.5 23.9 280 2 1 6.5 3.6 | -4.1 24.6 270 6 3 7.4 4.1 14000 -0.2 31.6 315 3 1 7.6 4.2 | 0.3 32.5 280 6 3 7.7 4.2 12000 4.5 40.1 320 4 2 8.4 4.6 | 5.0 41.0 300 6 3 8.1 4.4 10000 9.5 49.1 320 6 3 8.4 4.6 | 10.8 51.4 315 7 4 8.3 4.6 9000 12.1 53.8 315 7 4 8.8 4.8 | 12.5 54.5 315 8 4 9.1 5.0 8000 14.8 58.6 315 8 4 8.0 4.4 | 15.1 59.2 320 8 4 9.0 4.9 7000 17.3 63.1 315 9 4 9.2 5.1 | 17.6 63.7 315 8 4 9.2 5.0 6000 20.0 68.0 310 9 5 10.3 5.6 | 20.2 68.4 315 7 4 10.1 5.5 5000 25.6 78.1 310 8 4 82.8 45.5 | 24.8 76.6 315 7 3 46.6 25.5 ________________________________________________________________________________ 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