


Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
680 UXUS97 KSLC 201228 SRGSLC Soaring Forecast National Weather Service Salt Lake City, Utah 628 AM MDT Sunday, April 20, 2025 This forecast is for Sunday, April 20, 2025: If the trigger temperature of 58.3 F/14.6 C is reached...then Thermal Soaring Index....................... Excellent Maximum rate of lift........................ 849 ft/min (4.3 m/s) Maximum height of thermals.................. 14568 ft MSL (9642 ft AGL) Forecast maximum temperature................... 64.0 F/18.2 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................. 8963 ft MSL (4037 ft AGL) Thermal soaring outlook for Monday 04/21....... Good Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 06:40:31 / 20:12:43 MDT Total possible sunshine........... 13 hr 32 min 12 sec (812 min 12 sec) Altitude of sun at 13:26:37 MDT... 60.45 degrees Upper air data from rawinsonde observation taken on 04/20/2025 at 0600 MDT Freezing level.................. 10191 ft MSL (5265 ft AGL) Convective condensation level... 13325 ft MSL (8399 ft AGL) Lifted condensation level....... 13719 ft MSL (8793 ft AGL) Lifted index.................... -1.1 K index......................... +23.2 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 -38.5 -37.3 255 58 30 8.3 4.5 25.8 78.5 6.3 M M 24000 -33.5 -28.3 255 55 28 8.4 4.6 24.8 76.6 5.6 M M 22000 -28.4 -19.1 255 52 27 7.6 4.2 23.0 73.4 4.3 M M 20000 -23.9 -11.0 255 49 25 7.5 4.1 21.4 70.5 3.0 M M 18000 -19.4 -2.9 255 46 24 8.1 4.5 20.0 68.1 1.8 M M 16000 -14.6 5.7 250 43 22 8.4 4.6 19.0 66.3 0.8 M M 14000 -9.9 14.2 255 35 18 7.9 4.3 17.8 64.1 -0.4 796 4.0 12000 -4.8 23.4 260 29 15 8.8 4.8 17.1 62.8 -1.2 584 3.0 10000 0.3 32.5 260 24 12 7.4 4.1 16.3 61.3 -1.9 372 1.9 9000 2.3 36.1 265 20 10 6.9 3.8 15.4 59.7 -2.8 281 1.4 8000 3.8 38.8 280 14 7 4.6 2.5 13.9 57.0 -4.3 209 1.1 7000 5.2 41.4 295 8 4 4.8 2.6 11.7 53.1 -6.6 128 0.7 6000 7.0 44.6 280 5 3 6.2 3.4 10.6 51.0 -7.8 45 0.2 5000 6.6 43.9 225 3 2 -3.5 -1.9 7.4 45.3 -11.2 27 0.1 * * * * * * Numerical weather prediction model forecast data valid * * * * * * 04/20/2025 at 0900 MDT | 04/20/2025 at 1200 MDT | CAPE... 0.0 LI... +3.5 | CAPE... +0.8 LI... +3.3 CINH... -0.0 K Index... +12.5 | CINH... -0.5 K Index... +7.5 | 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 -36.9 -34.4 305 40 21 7.3 4.0 | -36.3 -33.3 300 41 21 7.3 4.0 24000 -32.6 -26.7 305 35 18 7.2 4.0 | -32.0 -25.6 300 36 19 7.3 4.0 22000 -27.9 -18.2 305 31 16 7.9 4.4 | -27.0 -16.6 295 31 16 7.3 4.0 20000 -22.5 -8.5 310 28 14 7.8 4.3 | -22.6 -8.7 295 28 14 7.5 4.1 18000 -17.9 -0.2 310 26 14 7.5 4.1 | -18.1 -0.6 295 25 13 7.4 4.1 16000 -14.2 6.4 305 24 12 3.7 2.0 | -13.9 7.0 290 22 11 5.8 3.2 14000 -12.0 10.4 295 22 11 5.3 2.9 | -11.1 12.0 285 19 10 4.4 2.4 12000 -8.0 17.6 290 20 10 8.1 4.4 | -7.9 17.8 275 18 9 7.7 4.2 10000 -2.8 27.0 285 13 7 8.9 4.9 | -2.7 27.1 265 13 6 8.8 4.8 9000 -0.1 31.8 270 10 5 8.9 4.9 | 0.1 32.2 260 10 5 9.6 5.3 8000 2.5 36.5 255 9 4 8.2 4.5 | 2.8 37.0 255 8 4 8.9 4.9 7000 4.8 40.6 225 9 4 6.2 3.4 | 5.6 42.1 250 7 4 9.1 5.0 6000 6.5 43.7 200 10 5 5.1 2.8 | 8.4 47.1 255 6 3 9.5 5.2 5000 8.1 46.6 180 8 4 11.1 6.1 | 13.9 57.0 265 5 3 81.0 44.4 04/20/2025 at 1500 MDT | 04/20/2025 at 1800 MDT | CAPE... +3.5 LI... +2.2 | CAPE... 0.0 LI... +1.4 CINH... -0.7 K Index... +8.9 | CINH... -0.1 K Index... +13.0 | 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 -36.5 -33.7 285 39 20 7.7 4.2 | -37.1 -34.8 280 47 24 7.8 4.3 24000 -31.9 -25.4 285 38 20 7.7 4.2 | -32.3 -26.1 280 42 22 7.9 4.3 22000 -26.9 -16.4 285 35 18 7.3 4.0 | -27.4 -17.3 280 39 20 8.3 4.5 20000 -22.4 -8.3 285 31 16 7.5 4.1 | -22.2 -8.0 280 35 18 7.2 4.0 18000 -18.0 -0.4 280 27 14 7.3 4.0 | -17.9 -0.2 275 32 17 7.2 3.9 16000 -13.9 7.0 275 24 12 6.9 3.8 | -13.7 7.3 270 29 15 7.1 3.9 14000 -10.1 13.8 260 19 10 6.0 3.3 | -9.5 14.9 260 24 12 7.4 4.1 12000 -6.3 20.7 245 16 8 7.9 4.3 | -4.9 23.2 240 18 9 8.6 4.7 10000 -1.2 29.8 245 13 7 8.3 4.6 | 0.4 32.7 240 14 7 8.1 4.5 9000 1.5 34.7 250 10 5 9.3 5.1 | 3.1 37.6 245 11 6 8.9 4.9 8000 4.2 39.6 260 8 4 9.6 5.3 | 5.6 42.1 255 8 4 8.7 4.7 7000 7.1 44.8 275 7 4 9.7 5.3 | 8.2 46.8 270 5 3 8.6 4.7 6000 9.9 49.8 285 6 3 10.4 5.7 | 10.7 51.3 310 4 2 10.4 5.7 5000 15.6 60.1 305 6 3 82.5 45.2 | 14.1 57.4 330 4 2 20.3 11.1 ________________________________________________________________________________ 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