


Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
133 UXUS97 KSLC 281231 SRGSLC Soaring Forecast National Weather Service Salt Lake City, Utah 631 AM MDT Saturday, June 28, 2025 This forecast is for Saturday, June 28, 2025: If the trigger temperature of 84.5 F/29.2 C is reached...then Thermal Soaring Index....................... Excellent Maximum rate of lift........................ 1530 ft/min (7.8 m/s) Maximum height of thermals.................. 20622 ft MSL (15698 ft AGL) Forecast maximum temperature................... 93.0 F/34.3 C Time of trigger temperature.................... 1130 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................. 12396 ft MSL (7472 ft AGL) Thermal soaring outlook for Sunday 06/29....... Excellent Wave Soaring Index............................. Not available Remarks... Sunrise/Sunset.................... 05:59:08 / 21:03:20 MDT Total possible sunshine........... 15 hr 4 min 12 sec (904 min 12 sec) Altitude of sun at 13:31:14 MDT... 71.27 degrees Upper air data from rawinsonde observation taken on 06/28/2025 at 0600 MDT Freezing level.................. 15423 ft MSL (10499 ft AGL) Convective condensation level... 17708 ft MSL (12784 ft AGL) Lifted condensation level....... 18529 ft MSL (13604 ft AGL) Lifted index.................... -2.7 K index......................... +23.7 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 -24.8 -12.6 275 21 11 7.5 4.1 39.4 103.0 4.4 M M 24000 -20.5 -4.9 270 19 10 6.8 3.7 37.6 99.7 2.9 M M 22000 -15.9 3.4 275 18 9 7.2 4.0 35.3 95.5 1.0 M M 20000 -11.6 11.1 280 20 10 7.7 4.2 33.6 92.6 -0.5 1462 7.4 18000 -6.8 19.8 280 20 10 8.8 4.8 32.7 90.9 -1.6 1259 6.4 16000 -1.5 29.3 270 18 9 9.1 5.0 32.2 89.9 -2.2 1042 5.3 14000 3.9 39.0 270 15 8 9.1 5.0 31.8 89.3 -2.6 819 4.2 12000 9.3 48.7 260 10 5 8.8 4.8 31.3 88.4 -3.1 600 3.0 10000 14.3 57.7 235 6 3 8.0 4.4 30.5 87.0 -4.0 389 2.0 9000 16.8 62.2 225 5 3 7.2 3.9 30.1 86.2 -4.4 285 1.4 8000 18.9 66.0 230 4 2 5.4 3.0 29.3 84.7 -5.3 193 1.0 7000 20.6 69.1 260 1 1 4.3 2.4 27.4 81.3 -7.3 104 0.5 6000 21.1 70.0 245 1 0 -0.2 -0.1 25.0 77.0 -9.7 59 0.3 5000 16.9 62.4 105 4 2 -99.0 -54.3 17.8 64.0 -17.0 158 0.8 * * * * * * Numerical weather prediction model forecast data valid * * * * * * 06/28/2025 at 0900 MDT | 06/28/2025 at 1200 MDT | CAPE... +68.4 LI... +0.8 | CAPE... +77.5 LI... -0.5 CINH... -41.2 K Index... +16.3 | CINH... -66.3 K Index... +18.6 | 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 -25.4 -13.7 260 17 9 8.1 4.4 | -25.4 -13.7 265 16 8 7.9 4.3 24000 -20.8 -5.4 255 16 8 7.1 3.9 | -20.8 -5.4 260 17 9 7.5 4.1 22000 -16.6 2.1 255 15 8 7.2 3.9 | -16.3 2.7 250 17 9 7.5 4.1 20000 -12.2 10.0 250 15 8 7.5 4.1 | -12.1 10.2 245 18 9 7.1 3.9 18000 -6.9 19.6 250 15 8 9.2 5.0 | -7.0 19.4 245 20 10 8.9 4.9 16000 -1.5 29.3 255 15 8 9.3 5.1 | -1.6 29.1 250 18 9 8.8 4.9 14000 4.1 39.4 260 15 8 9.2 5.1 | 3.6 38.5 265 17 9 8.7 4.8 12000 9.2 48.6 265 12 6 7.5 4.1 | 8.6 47.5 275 14 7 8.3 4.5 10000 13.3 55.9 270 7 4 5.8 3.2 | 13.1 55.6 280 8 4 6.7 3.7 9000 15.3 59.5 255 6 3 6.4 3.5 | 15.5 59.9 280 6 3 7.7 4.2 8000 17.0 62.6 235 5 3 5.9 3.2 | 17.9 64.2 275 4 2 7.7 4.2 7000 18.7 65.7 215 6 3 5.7 3.1 | 20.2 68.4 275 4 2 8.8 4.8 6000 20.1 68.2 210 6 3 7.5 4.1 | 22.7 72.9 280 5 3 11.7 6.4 5000 22.3 72.1 215 5 2 12.4 6.8 | 25.6 78.1 285 6 3 14.7 8.1 06/28/2025 at 1500 MDT | 06/28/2025 at 1800 MDT | CAPE... +170.3 LI... -0.4 | CAPE... +55.3 LI... +0.8 CINH... -50.3 K Index... +16.8 | CINH... -58.3 K Index... +17.6 | 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 -25.2 -13.4 260 14 7 8.0 4.4 | -25.1 -13.2 265 14 7 8.1 4.4 24000 -20.4 -4.7 260 16 8 8.0 4.4 | -20.2 -4.4 260 15 8 8.3 4.5 22000 -15.6 3.9 255 17 9 7.8 4.3 | -15.2 4.6 260 17 9 8.1 4.5 20000 -11.6 11.1 250 19 10 6.8 3.7 | -10.9 12.4 260 19 10 7.4 4.0 18000 -6.7 19.9 250 21 11 8.9 4.9 | -6.0 21.2 260 22 11 8.2 4.5 16000 -1.5 29.3 250 19 10 8.6 4.7 | -1.0 30.2 260 22 11 9.1 5.0 14000 3.9 39.0 260 17 9 9.0 5.0 | 4.4 39.9 260 19 10 9.2 5.1 12000 9.1 48.4 270 15 8 8.5 4.7 | 9.7 49.5 265 15 8 8.9 4.9 10000 14.0 57.2 285 11 6 7.1 3.9 | 14.9 58.8 285 12 6 7.7 4.2 9000 16.6 61.9 290 10 5 8.3 4.5 | 17.4 63.3 295 10 5 8.5 4.7 8000 19.1 66.4 300 9 4 8.6 4.7 | 19.9 67.8 310 8 4 8.8 4.9 7000 21.7 71.1 310 8 4 10.1 5.5 | 22.6 72.7 320 7 4 9.7 5.3 6000 24.4 75.9 310 8 4 11.5 6.3 | 25.2 77.4 330 6 3 10.5 5.8 5000 27.4 81.3 315 8 4 14.3 7.9 | 28.0 82.4 335 6 3 11.7 6.4 ________________________________________________________________________________ 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