


Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
954 UXUS97 KSLC 181229 SRGSLC Soaring Forecast National Weather Service Salt Lake City, Utah 629 AM MDT Monday, August 18, 2025 This forecast is for Monday, August 18, 2025: If the trigger temperature of 88.6 F/31.4 C is reached...then Thermal Soaring Index....................... Excellent Maximum rate of lift........................ 1205 ft/min (6.1 m/s) Maximum height of thermals.................. 17615 ft MSL (12689 ft AGL) Forecast maximum temperature................... 95.0 F/35.5 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................. 11089 ft MSL (6163 ft AGL) Thermal soaring outlook for Tuesday 08/19...... Excellent Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 06:41:40 / 20:21:27 MDT Total possible sunshine........... 13 hr 39 min 47 sec (819 min 47 sec) Altitude of sun at 13:31:34 MDT... 61.21 degrees Upper air data from rawinsonde observation taken on 08/18/2025 at 0600 MDT Freezing level.................. 16150 ft MSL (11224 ft AGL) Convective condensation level... 24806 ft MSL (19880 ft AGL) Lifted condensation level....... 22941 ft MSL (18015 ft AGL) Lifted index.................... +3.3 K index......................... +1.3 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 -22.0 -7.6 260 20 10 6.5 3.6 42.4 108.2 5.8 M M 24000 -17.9 -0.2 270 17 9 7.2 4.0 40.2 104.4 4.2 M M 22000 -12.9 8.8 275 16 8 8.5 4.6 38.4 101.0 2.7 M M 20000 -7.9 17.8 260 15 8 8.3 4.6 37.3 99.2 1.9 M M 18000 -3.7 25.3 240 14 7 6.4 3.5 35.5 95.9 0.4 M M 16000 0.4 32.7 220 11 6 7.6 4.2 33.7 92.6 -1.4 1052 5.3 14000 5.3 41.5 205 7 4 8.9 4.9 32.7 90.9 -2.4 847 4.3 12000 10.7 51.3 185 5 3 9.5 5.2 32.3 90.1 -2.9 626 3.2 10000 16.2 61.2 175 6 3 9.0 4.9 32.1 89.7 -3.2 400 2.0 9000 19.0 66.2 175 7 3 8.9 4.9 31.9 89.4 -3.4 287 1.5 8000 21.5 70.7 180 8 4 8.2 4.5 31.4 88.6 -3.9 183 0.9 7000 24.1 75.4 175 10 5 6.0 3.3 30.4 86.7 -4.9 67 0.3 6000 25.2 77.4 165 11 5 -1.8 -1.0 28.5 83.4 -6.8 5 0.0 5000 17.3 63.1 115 9 5 -99.0 -54.3 17.7 63.9 -17.7 212 1.1 * * * * * * Numerical weather prediction model forecast data valid * * * * * * 08/18/2025 at 0900 MDT | 08/18/2025 at 1200 MDT | CAPE... 0.0 LI... +2.8 | CAPE... 0.0 LI... +3.7 CINH... -0.2 K Index... +14.0 | CINH... -0.0 K Index... +7.6 | 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 -24.1 -11.4 245 14 7 7.5 4.1 | -23.4 -10.1 240 11 5 7.7 4.2 24000 -19.6 -3.3 240 15 7 7.2 4.0 | -18.8 -1.8 230 13 6 7.4 4.1 22000 -14.8 5.4 230 17 9 6.8 3.7 | -14.4 6.1 220 17 9 7.2 3.9 20000 -10.9 12.4 220 18 9 6.5 3.6 | -10.5 13.1 215 17 9 6.4 3.5 18000 -7.1 19.2 205 18 9 6.9 3.8 | -6.3 20.7 205 18 9 7.2 3.9 16000 -2.9 26.8 195 19 10 7.5 4.1 | -2.2 28.0 200 17 9 6.9 3.8 14000 2.1 35.8 190 14 7 9.0 4.9 | 2.1 35.8 190 15 8 8.4 4.6 12000 7.4 45.3 195 12 6 8.9 4.9 | 7.4 45.3 190 13 7 9.3 5.1 10000 12.8 55.0 210 13 7 8.7 4.8 | 12.9 55.2 195 12 6 8.5 4.7 9000 15.5 59.9 215 14 7 9.5 5.2 | 15.8 60.4 195 12 6 10.4 5.7 8000 18.0 64.4 210 14 7 8.8 4.8 | 18.6 65.5 200 12 6 9.6 5.3 7000 20.4 68.7 200 14 7 7.3 4.0 | 21.6 70.9 195 11 6 9.6 5.3 6000 22.1 71.8 180 15 7 5.1 2.8 | 24.5 76.1 195 10 5 10.3 5.7 5000 25.3 77.5 165 10 5 33.6 18.4 | 27.5 81.5 195 9 5 13.4 7.3 08/18/2025 at 1500 MDT | 08/18/2025 at 1800 MDT | CAPE... 0.0 LI... +3.7 | CAPE... +0.1 LI... +3.8 CINH... 0.0 K Index... +6.8 | CINH... -0.3 K Index... +6.3 | 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 -23.1 -9.6 245 10 5 7.9 4.3 | -22.8 -9.0 245 11 6 7.7 4.2 24000 -18.4 -1.1 235 10 5 7.6 4.2 | -18.1 -0.6 240 10 5 7.9 4.3 22000 -13.8 7.2 230 12 6 7.4 4.0 | -13.4 7.9 245 9 5 7.7 4.2 20000 -9.8 14.4 220 15 8 6.8 3.7 | -8.9 16.0 240 10 5 7.4 4.1 18000 -5.6 21.9 210 16 8 6.5 3.6 | -4.8 23.4 215 13 6 5.9 3.2 16000 -1.4 29.5 195 15 7 8.1 4.4 | -0.7 30.7 200 13 7 8.3 4.6 14000 3.7 38.7 190 14 7 9.1 5.0 | 4.7 40.5 195 13 7 9.5 5.2 12000 9.2 48.6 195 13 7 9.3 5.1 | 10.3 50.5 200 12 6 9.3 5.1 10000 14.7 58.5 200 11 6 9.0 4.9 | 15.8 60.4 210 8 4 8.7 4.8 9000 17.8 64.0 200 11 6 10.2 5.6 | 18.7 65.7 215 7 4 9.7 5.3 8000 20.7 69.3 205 10 5 9.8 5.4 | 21.5 70.7 230 6 3 9.5 5.2 7000 23.7 74.7 210 9 5 9.6 5.3 | 24.3 75.7 250 5 2 9.4 5.2 6000 26.6 79.9 215 8 4 10.1 5.5 | 27.1 80.8 275 4 2 9.8 5.4 5000 32.6 90.7 220 6 3 92.8 50.9 | 32.0 89.6 295 4 2 59.9 32.9 ________________________________________________________________________________ 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