


Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
253 UXUS97 KSLC 191228 SRGSLC Soaring Forecast National Weather Service Salt Lake City, Utah 628 AM MDT Tuesday, August 19, 2025 This forecast is for Tuesday, August 19, 2025: If the trigger temperature of 91.7 F/33.2 C is reached...then Thermal Soaring Index....................... Excellent Maximum rate of lift........................ 1562 ft/min (7.9 m/s) Maximum height of thermals.................. 20726 ft MSL (15800 ft AGL) Forecast maximum temperature................... 99.0 F/37.7 C Time of trigger temperature.................... 1145 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................. 12526 ft MSL (7600 ft AGL) Thermal soaring outlook for Wednesday 08/20.... Excellent Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 06:42:40 / 20:20:00 MDT Total possible sunshine........... 13 hr 37 min 20 sec (817 min 20 sec) Altitude of sun at 13:31:20 MDT... 60.90 degrees Upper air data from rawinsonde observation taken on 08/19/2025 at 0600 MDT Freezing level.................. 16588 ft MSL (11662 ft AGL) Convective condensation level... 23228 ft MSL (18302 ft AGL) Lifted condensation level....... 22285 ft MSL (17359 ft AGL) Lifted index.................... +1.7 K index......................... +16.1 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 -20.9 -5.6 240 31 16 6.2 3.4 43.6 110.4 5.0 M M 24000 -16.9 1.6 235 26 13 7.4 4.1 41.4 106.5 3.2 M M 22000 -12.0 10.4 220 22 11 5.6 3.0 39.4 102.9 1.6 M M 20000 -8.8 16.2 210 21 11 6.0 3.3 36.6 97.9 -1.0 1498 7.6 18000 -4.0 24.8 205 19 10 9.7 5.3 35.5 95.9 -2.0 1295 6.6 16000 1.7 35.1 205 14 7 9.3 5.1 35.3 95.5 -2.3 1067 5.4 14000 7.1 44.8 205 8 4 9.2 5.1 34.9 94.8 -2.8 846 4.3 12000 12.6 54.7 215 4 2 9.0 4.9 34.5 94.1 -3.1 621 3.2 10000 18.0 64.4 230 5 3 8.4 4.6 34.1 93.4 -3.6 398 2.0 9000 20.8 69.4 220 6 3 8.3 4.6 33.9 93.0 -3.8 287 1.5 8000 23.8 74.8 205 6 3 7.5 4.1 33.3 91.9 -4.4 158 0.8 7000 25.8 78.4 185 7 4 5.9 3.2 32.2 90.0 -5.5 71 0.4 6000 27.0 80.6 165 8 4 -0.3 -0.1 30.4 86.7 -7.2 5 0.0 5000 20.1 68.2 115 7 4 -99.0 -54.3 20.6 69.1 -17.1 182 0.9 * * * * * * Numerical weather prediction model forecast data valid * * * * * * 08/19/2025 at 0900 MDT | 08/19/2025 at 1200 MDT | CAPE... 0.0 LI... +4.3 | CAPE... +0.1 LI... +3.8 CINH... -0.4 K Index... +3.2 | CINH... -0.0 K Index... -2.2 | 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 -22.3 -8.1 250 17 9 5.5 3.0 | -21.6 -6.9 235 21 11 6.0 3.3 24000 -18.3 -0.9 260 10 5 7.8 4.3 | -17.7 0.1 225 12 6 7.1 3.9 22000 -13.6 7.5 285 7 4 8.2 4.5 | -13.5 7.7 175 5 3 7.8 4.3 20000 -7.9 17.8 255 8 4 8.5 4.6 | -7.9 17.8 195 7 4 8.2 4.5 18000 -3.2 26.2 245 11 6 7.6 4.2 | -3.4 25.9 205 10 5 7.7 4.2 16000 0.9 33.6 230 11 5 6.8 3.7 | 1.2 34.2 210 13 7 7.8 4.3 14000 5.2 41.4 205 8 4 8.2 4.5 | 5.9 42.6 210 13 7 8.2 4.5 12000 10.5 50.9 190 7 3 9.1 5.0 | 11.0 51.8 195 11 6 9.2 5.0 10000 16.1 61.0 185 6 3 9.9 5.4 | 16.5 61.7 185 9 5 9.6 5.3 9000 18.7 65.7 190 6 3 8.5 4.6 | 19.1 66.4 190 7 4 8.6 4.7 8000 21.2 70.2 195 7 3 7.5 4.1 | 21.8 71.2 195 6 3 8.4 4.6 7000 23.3 73.9 195 8 4 6.8 3.7 | 24.4 75.9 200 6 3 9.4 5.2 6000 24.7 76.5 185 8 4 4.6 2.5 | 27.2 81.0 210 5 3 10.1 5.5 5000 26.1 79.0 150 5 2 14.2 7.8 | 32.8 91.0 225 4 2 78.5 43.1 08/19/2025 at 1500 MDT | 08/19/2025 at 1800 MDT | CAPE... +0.3 LI... +2.0 | CAPE... +0.1 LI... +1.5 CINH... -0.3 K Index... -0.4 | CINH... -0.3 K Index... +4.1 | 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 -21.1 -6.0 230 25 13 6.2 3.4 | -20.7 -5.3 235 26 13 6.8 3.7 24000 -17.2 1.0 215 18 9 6.6 3.6 | -16.7 1.9 220 22 11 6.6 3.6 22000 -12.6 9.3 175 14 7 7.7 4.2 | -12.2 10.0 190 21 11 7.5 4.1 20000 -8.1 17.4 180 14 7 7.6 4.2 | -7.7 18.1 180 19 10 7.4 4.1 18000 -3.3 26.1 190 14 7 8.5 4.6 | -3.0 26.6 185 17 9 8.9 4.9 16000 1.8 35.2 195 13 7 8.7 4.8 | 2.3 36.1 190 15 7 9.0 4.9 14000 7.1 44.8 195 12 6 9.1 5.0 | 7.8 46.0 195 12 6 9.3 5.1 12000 12.5 54.5 200 10 5 9.2 5.0 | 13.3 55.9 200 9 5 9.2 5.0 10000 17.9 64.2 200 7 4 8.6 4.7 | 18.8 65.8 215 5 2 8.6 4.7 9000 20.7 69.3 210 6 3 9.3 5.1 | 21.7 71.1 250 3 2 9.6 5.3 8000 23.5 74.3 225 5 2 9.3 5.1 | 24.3 75.7 285 4 2 9.1 5.0 7000 26.3 79.3 250 4 2 9.8 5.4 | 27.0 80.6 315 4 2 9.1 5.0 6000 29.2 84.6 275 4 2 10.2 5.6 | 29.7 85.5 325 5 3 9.4 5.1 5000 35.2 95.4 295 5 2 91.9 50.4 | 34.4 93.9 330 6 3 55.5 30.4 ________________________________________________________________________________ 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