


Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
748 UXUS97 KSLC 181229 SRGSLC Soaring Forecast National Weather Service Salt Lake City, Utah 629 AM MDT Friday, April 18, 2025 This forecast is for Friday, April 18, 2025: If the trigger temperature of 42.2 F/5.6 C is reached...then Thermal Soaring Index....................... Good Maximum rate of lift........................ 625 ft/min (3.2 m/s) Maximum height of thermals.................. 12943 ft MSL (8017 ft AGL) Forecast maximum temperature................... 50.0 F/10.5 C Time of trigger temperature.................... 1045 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................. 10451 ft MSL (5526 ft AGL) Thermal soaring outlook for Saturday 04/19..... Good Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 06:43:27 / 20:10:37 MDT Total possible sunshine........... 13 hr 27 min 9 sec (807 min 9 sec) Altitude of sun at 13:27:02 MDT... 59.75 degrees Upper air data from rawinsonde observation taken on 04/18/2025 at 0600 MDT Freezing level.................. 6335 ft MSL (1409 ft AGL) Convective condensation level... 14309 ft MSL (9383 ft AGL) Lifted condensation level....... 13486 ft MSL (8561 ft AGL) Lifted index.................... +9.7 K index......................... -14.7 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 -35.4 -31.7 025 68 35 6.5 3.5 30.1 86.1 15.7 M M 24000 -31.6 -24.9 025 62 32 6.5 3.6 27.6 81.7 14.1 M M 22000 -27.9 -18.2 025 54 28 6.1 3.3 24.9 76.8 12.2 M M 20000 -24.6 -12.3 020 46 23 4.8 2.6 21.9 71.4 10.0 M M 18000 -21.6 -6.9 020 35 18 5.5 3.0 18.5 65.3 7.3 M M 16000 -18.4 -1.1 015 27 14 5.2 2.8 15.5 59.9 4.9 M M 14000 -15.5 4.1 015 20 10 4.5 2.5 12.2 53.9 1.9 M M 12000 -13.0 8.6 025 16 8 4.6 2.5 8.6 47.6 -1.4 563 2.9 10000 -8.9 16.0 020 14 7 7.3 4.0 6.8 44.2 -3.3 383 1.9 9000 -6.7 19.9 015 12 6 9.0 4.9 6.1 42.9 -4.1 288 1.5 8000 -3.6 25.5 010 9 5 7.3 4.0 5.5 41.9 -4.7 158 0.8 7000 -1.3 29.7 010 8 4 7.1 3.9 4.9 40.8 -5.3 58 0.3 6000 0.8 33.4 025 5 3 5.8 3.2 4.0 39.3 -6.2 M M 5000 0.5 32.9 075 3 1 -42.1 -23.1 0.9 33.6 -9.5 M M * * * * * * Numerical weather prediction model forecast data valid * * * * * * 04/18/2025 at 0900 MDT | 04/18/2025 at 1200 MDT | CAPE... +49.2 LI... +1.3 | CAPE... +26.9 LI... +1.3 CINH... -0.2 K Index... +13.7 | CINH... -2.3 K Index... +14.3 | 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 -45.8 -50.4 345 4 2 0.3 0.2 | -46.2 -51.2 045 8 4 0.7 0.4 24000 -43.8 -46.8 255 8 4 3.5 1.9 | -44.0 -47.2 070 2 1 3.8 2.1 22000 -40.4 -40.7 245 10 5 8.6 4.7 | -39.6 -39.3 145 3 1 9.0 4.9 20000 -34.6 -30.3 255 5 2 8.8 4.8 | -34.2 -29.6 130 4 2 8.8 4.8 18000 -29.3 -20.7 295 3 2 8.5 4.7 | -29.0 -20.2 105 4 2 8.7 4.8 16000 -24.5 -12.1 345 3 1 8.1 4.4 | -23.9 -11.0 075 5 3 8.5 4.7 14000 -19.9 -3.8 350 4 2 7.6 4.2 | -19.5 -3.1 055 7 4 6.5 3.6 12000 -15.6 3.9 010 5 3 6.8 3.7 | -15.4 4.3 055 8 4 7.0 3.9 10000 -11.9 10.6 045 6 3 6.8 3.7 | -10.9 12.4 050 11 6 7.8 4.3 9000 -9.9 14.2 035 5 3 8.1 4.5 | -8.7 16.3 040 10 5 9.2 5.1 8000 -7.7 18.1 020 5 3 6.9 3.8 | -6.3 20.7 035 9 4 7.2 4.0 7000 -5.6 21.9 360 5 3 6.4 3.5 | -3.9 25.0 025 7 4 7.8 4.3 6000 -3.3 26.1 345 6 3 8.6 4.7 | -1.0 30.2 015 6 3 9.6 5.3 5000 1.0 33.8 330 5 3 10.0 5.5 | 2.8 37.0 360 5 3 23.2 12.7 04/18/2025 at 1500 MDT | 04/18/2025 at 1800 MDT | CAPE... +60.6 LI... +0.5 | CAPE... +21.4 LI... +1.3 CINH... -1.0 K Index... +15.6 | CINH... -2.2 K Index... +11.4 | 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 -45.7 -50.3 055 17 9 2.7 1.5 | -44.7 -48.5 030 20 10 3.9 2.1 24000 -43.0 -45.4 060 10 5 4.4 2.4 | -42.0 -43.6 055 11 5 4.6 2.5 22000 -38.5 -37.3 080 5 3 8.4 4.6 | -37.4 -35.3 060 5 3 8.2 4.5 20000 -33.4 -28.1 085 4 2 8.6 4.7 | -32.4 -26.3 020 5 3 8.6 4.7 18000 -28.2 -18.8 055 5 3 8.5 4.7 | -27.2 -17.0 015 6 3 8.5 4.7 16000 -23.3 -9.9 050 8 4 8.2 4.5 | -22.3 -8.1 010 8 4 7.8 4.3 14000 -18.8 -1.8 045 10 5 7.0 3.8 | -17.9 -0.2 020 13 7 7.3 4.0 12000 -14.4 6.1 045 14 7 7.9 4.3 | -13.9 7.0 030 18 9 7.0 3.8 10000 -9.3 15.3 035 15 8 8.7 4.8 | -8.7 16.3 030 19 10 8.9 4.9 9000 -6.7 19.9 030 14 7 9.8 5.4 | -6.0 21.2 035 19 10 10.0 5.5 8000 -4.1 24.6 020 13 7 7.9 4.3 | -3.1 26.4 030 18 9 9.4 5.2 7000 -1.3 29.7 010 12 6 7.9 4.3 | -0.3 31.5 030 17 9 8.3 4.5 6000 1.6 34.9 360 11 6 9.4 5.1 | 2.6 36.7 030 16 8 9.4 5.1 5000 7.4 45.3 345 9 5 15.0 8.2 | 7.5 45.5 025 11 6 11.6 6.3 ________________________________________________________________________________ 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