


Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
734 UXUS97 KSLC 051228 SRGSLC Soaring Forecast National Weather Service Salt Lake City, Utah 628 AM MDT Friday, September 5, 2025 This forecast is for Friday, September 5, 2025: If the trigger temperature of 76.6 F/24.8 C is reached...then Thermal Soaring Index....................... Excellent Maximum rate of lift........................ 1284 ft/min (6.5 m/s) Maximum height of thermals.................. 17256 ft MSL (12329 ft AGL) Forecast maximum temperature................... 88.0 F/31.6 C Time of trigger temperature.................... 1030 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................. 12974 ft MSL (8047 ft AGL) Thermal soaring outlook for Saturday 09/06..... Excellent Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 06:59:21 / 19:53:22 MDT Total possible sunshine........... 12 hr 54 min 1 sec (774 min 1 sec) Altitude of sun at 13:26:21 MDT... 55.22 degrees Upper air data from rawinsonde observation taken on 09/05/2025 at 0600 MDT Freezing level.................. 14464 ft MSL (9537 ft AGL) Convective condensation level... 13018 ft MSL (8091 ft AGL) Lifted condensation level....... 14381 ft MSL (9453 ft AGL) Lifted index.................... -5.2 K index......................... +29.3 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 -23.8 -10.8 205 10 5 7.0 3.8 41.1 105.9 7.8 M M 24000 -19.7 -3.5 205 10 5 6.8 3.8 39.0 102.2 6.3 M M 22000 -15.7 3.7 205 12 6 6.9 3.8 36.9 98.5 4.6 M M 20000 -11.1 12.0 195 11 6 7.0 3.8 34.7 94.4 2.7 M M 18000 -7.2 19.0 180 11 6 6.3 3.4 32.6 90.7 0.9 M M 16000 -3.5 25.7 175 9 4 7.2 4.0 30.3 86.6 -1.3 972 4.9 14000 1.1 34.0 185 5 3 8.6 4.7 29.2 84.5 -2.5 772 3.9 12000 6.1 43.0 230 4 2 8.3 4.6 28.4 83.1 -3.5 565 2.9 10000 10.5 50.9 245 4 2 6.5 3.6 27.2 80.9 -4.9 373 1.9 9000 12.6 54.7 235 4 2 6.1 3.3 26.3 79.4 -5.9 283 1.4 8000 14.4 57.9 215 4 2 6.0 3.3 25.4 77.7 -6.9 197 1.0 7000 16.4 61.5 190 6 3 5.0 2.8 23.8 74.8 -8.7 100 0.5 6000 17.6 63.7 170 8 4 2.8 1.5 22.2 71.9 -10.5 34 0.2 5000 17.5 63.5 135 6 3 6.8 3.8 19.0 66.2 -13.6 9 0.0 * * * * * * Numerical weather prediction model forecast data valid * * * * * * 09/05/2025 at 0900 MDT | 09/05/2025 at 1200 MDT | CAPE... +16.7 LI... -1.0 | CAPE... +223.6 LI... -1.9 CINH... -98.6 K Index... +27.1 | CINH... -39.9 K Index... +27.0 | 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 -24.6 -12.3 325 13 6 6.9 3.8 | -24.7 -12.5 300 11 6 6.9 3.8 24000 -20.7 -5.3 335 10 5 6.4 3.5 | -20.7 -5.3 305 7 4 6.5 3.6 22000 -16.9 1.6 330 8 4 6.3 3.5 | -16.9 1.6 310 4 2 6.5 3.6 20000 -12.8 9.0 290 6 3 7.2 4.0 | -12.8 9.0 295 6 3 7.1 3.9 18000 -8.1 17.4 260 7 4 7.1 3.9 | -8.3 17.1 295 6 3 6.9 3.8 16000 -3.9 25.0 295 6 3 7.5 4.1 | -3.8 25.2 320 8 4 8.4 4.6 14000 1.0 33.8 310 7 4 8.6 4.7 | 1.3 34.3 325 8 4 9.1 5.0 12000 6.0 42.8 300 7 4 8.2 4.5 | 6.4 43.5 310 6 3 8.3 4.5 10000 10.7 51.3 275 5 3 6.1 3.4 | 11.0 51.8 275 5 3 6.4 3.5 9000 13.1 55.6 255 5 2 7.3 4.0 | 13.6 56.5 255 5 2 8.1 4.4 8000 15.3 59.5 230 4 2 7.1 3.9 | 16.0 60.8 245 5 2 8.7 4.8 7000 17.3 63.1 205 4 2 5.9 3.3 | 18.7 65.7 245 4 2 9.0 4.9 6000 19.1 66.4 190 5 3 5.5 3.0 | 21.4 70.5 250 4 2 9.9 5.4 5000 22.2 72.0 160 4 2 29.8 16.4 | 27.0 80.6 260 3 2 82.1 45.0 09/05/2025 at 1500 MDT | 09/05/2025 at 1800 MDT | CAPE... +272.0 LI... -1.6 | CAPE... +93.2 LI... -0.8 CINH... -18.9 K Index... +25.6 | CINH... -29.4 K Index... +22.0 | 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 -24.5 -12.1 290 12 6 7.1 3.9 | -23.7 -10.7 285 14 7 7.4 4.1 24000 -20.4 -4.7 280 8 4 7.0 3.8 | -19.5 -3.1 285 11 5 6.5 3.6 22000 -16.2 2.8 270 6 3 7.0 3.8 | -15.7 3.7 280 7 4 6.6 3.6 20000 -12.1 10.2 270 5 2 7.2 4.0 | -11.6 11.1 275 4 2 7.0 3.9 18000 -7.5 18.5 285 4 2 6.8 3.7 | -6.8 19.8 270 3 1 7.4 4.1 16000 -3.3 26.1 310 5 3 7.7 4.2 | -2.5 27.5 280 3 2 7.6 4.2 14000 1.6 34.9 315 6 3 9.1 5.0 | 2.3 36.1 310 4 2 8.3 4.5 12000 7.0 44.6 310 6 3 9.4 5.1 | 7.4 45.3 320 6 3 8.9 4.9 10000 12.3 54.1 305 6 3 6.9 3.8 | 12.7 54.9 320 7 3 7.4 4.1 9000 15.0 59.0 300 7 4 8.7 4.8 | 15.5 59.9 320 7 4 9.4 5.2 8000 17.6 63.7 300 7 4 8.9 4.9 | 18.2 64.8 325 7 4 9.4 5.2 7000 20.1 68.2 305 8 4 9.4 5.2 | 20.8 69.4 325 7 3 8.8 4.9 6000 22.8 73.0 315 8 4 10.3 5.7 | 23.3 73.9 330 7 3 9.9 5.4 5000 27.1 80.8 320 8 4 29.6 16.3 | 26.7 80.1 335 6 3 18.7 10.3 ________________________________________________________________________________ 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