


Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
864 UXUS97 KSLC 111230 SRGSLC Soaring Forecast National Weather Service Salt Lake City, Utah 630 AM MDT Monday, August 11, 2025 This forecast is for Monday, August 11, 2025: If the trigger temperature of 84.7 F/29.3 C is reached...then Thermal Soaring Index....................... Excellent Maximum rate of lift........................ 1012 ft/min (5.1 m/s) Maximum height of thermals.................. 16115 ft MSL (11190 ft AGL) Forecast maximum temperature................... 92.0 F/33.8 C Time of trigger temperature.................... 1200 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................. 10961 ft MSL (6036 ft AGL) Thermal soaring outlook for Tuesday 08/12...... Excellent Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 06:34:46 / 20:31:09 MDT Total possible sunshine........... 13 hr 56 min 23 sec (836 min 23 sec) Altitude of sun at 13:32:57 MDT... 63.26 degrees Upper air data from rawinsonde observation taken on 08/11/2025 at 0600 MDT Freezing level.................. 15948 ft MSL (11023 ft AGL) Convective condensation level... 20033 ft MSL (15108 ft AGL) Lifted condensation level....... 18074 ft MSL (13149 ft AGL) Lifted index.................... +2.3 K index......................... +13.7 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 -19.7 -3.5 305 8 4 7.8 4.3 45.2 113.4 9.4 M M 24000 -15.3 4.5 320 7 4 7.0 3.8 43.5 110.3 8.2 M M 22000 -10.7 12.7 330 7 4 6.9 3.8 41.3 106.4 6.5 M M 20000 -6.5 20.3 335 9 5 6.9 3.8 39.3 102.7 4.9 M M 18000 -2.9 26.8 325 8 4 4.6 2.5 36.7 98.0 2.8 M M 16000 -0.1 31.8 285 6 3 5.3 2.9 33.4 92.1 -0.2 1003 5.1 14000 4.3 39.7 225 6 3 8.8 4.8 32.1 89.7 -1.7 813 4.1 12000 9.2 48.6 215 2 1 8.7 4.8 31.3 88.4 -2.6 606 3.1 10000 14.4 57.9 010 1 1 8.5 4.7 30.7 87.3 -3.3 391 2.0 9000 16.9 62.4 015 2 1 7.8 4.3 30.3 86.6 -3.8 286 1.5 8000 19.8 67.6 020 2 1 7.5 4.1 29.5 85.1 -4.6 164 0.8 7000 21.4 70.5 045 1 1 5.0 2.8 28.3 82.9 -5.9 85 0.4 6000 22.4 72.3 120 4 2 1.2 0.7 26.3 79.3 -7.9 26 0.1 5000 17.5 63.5 115 7 3 -99.0 -54.3 18.4 65.1 -15.8 144 0.7 * * * * * * Numerical weather prediction model forecast data valid * * * * * * 08/11/2025 at 0900 MDT | 08/11/2025 at 1200 MDT | CAPE... 0.0 LI... +5.9 | CAPE... 0.0 LI... +5.5 CINH... 0.0 K Index... +16.9 | CINH... -1.6 K Index... +12.7 | 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 -21.0 -5.8 355 23 12 7.5 4.1 | -20.6 -5.1 360 23 12 7.8 4.3 24000 -16.4 2.5 350 24 12 7.9 4.3 | -15.9 3.4 355 24 12 7.7 4.2 22000 -11.1 12.0 340 25 13 7.2 4.0 | -10.8 12.6 355 24 12 6.7 3.7 20000 -6.9 19.6 340 24 13 7.1 3.9 | -6.8 19.8 350 22 12 6.7 3.7 18000 -3.6 25.5 340 22 11 4.0 2.2 | -3.1 26.4 350 20 10 4.8 2.7 16000 -1.2 29.8 345 20 10 4.8 2.7 | -0.5 31.1 355 14 7 4.5 2.4 14000 2.1 35.8 350 17 9 7.0 3.9 | 2.5 36.5 355 10 5 7.0 3.9 12000 6.5 43.7 355 10 5 7.8 4.3 | 6.9 44.4 340 6 3 8.2 4.5 10000 11.2 52.2 040 5 2 8.0 4.4 | 12.0 53.6 315 3 2 8.6 4.7 9000 13.7 56.7 065 4 2 8.2 4.5 | 14.7 58.5 305 3 2 9.3 5.1 8000 16.2 61.2 080 4 2 7.3 4.0 | 17.3 63.1 300 4 2 8.7 4.8 7000 18.3 64.9 090 4 2 6.2 3.4 | 19.8 67.6 300 5 2 8.4 4.6 6000 19.9 67.8 105 3 2 4.6 2.5 | 22.4 72.3 300 5 3 10.4 5.7 5000 21.6 70.9 130 3 1 10.0 5.5 | 28.3 82.9 305 6 3 86.9 47.7 08/11/2025 at 1500 MDT | 08/11/2025 at 1800 MDT | CAPE... +0.2 LI... +4.9 | CAPE... +0.2 LI... +4.4 CINH... -0.0 K Index... +4.2 | CINH... -0.1 K Index... +4.9 | 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 -19.9 -3.8 005 20 10 7.9 4.3 | -19.6 -3.3 010 14 7 7.4 4.1 24000 -15.4 4.3 360 19 10 7.3 4.0 | -15.2 4.6 360 13 7 7.2 3.9 22000 -10.5 13.1 005 17 9 6.4 3.5 | -10.4 13.3 355 12 6 6.4 3.5 20000 -6.6 20.1 005 16 8 6.4 3.5 | -6.5 20.3 005 10 5 6.4 3.5 18000 -2.9 26.8 360 15 7 6.1 3.4 | -2.8 27.0 015 9 5 6.6 3.6 16000 0.5 32.9 005 10 5 5.6 3.1 | 1.1 34.0 035 7 4 6.7 3.7 14000 3.8 38.8 360 6 3 6.6 3.6 | 5.1 41.2 065 6 3 7.1 3.9 12000 8.1 46.6 340 6 3 8.5 4.7 | 9.2 48.6 035 5 3 7.5 4.1 10000 13.0 55.4 320 7 4 8.1 4.5 | 13.8 56.8 345 7 4 7.9 4.4 9000 15.8 60.4 315 8 4 8.9 4.9 | 16.4 61.5 335 8 4 8.9 4.9 8000 18.3 64.9 315 9 5 8.7 4.8 | 19.0 66.2 330 9 5 8.7 4.7 7000 20.9 69.6 315 10 5 9.9 5.4 | 21.6 70.9 325 9 4 9.1 5.0 6000 23.6 74.5 315 10 5 11.9 6.5 | 24.2 75.6 325 8 4 10.7 5.9 5000 26.6 79.9 315 9 5 15.1 8.3 | 29.2 84.6 320 7 4 58.1 31.9 ________________________________________________________________________________ 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