Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
148
UXUS97 KSLC 281228
SRGSLC
Soaring Forecast
National Weather Service Salt Lake City, Utah
628 AM MDT Thursday, August 28, 2025
This forecast is for Thursday, August 28, 2025:
If the trigger temperature of 75.3 F/24.0 C is reached...then
Thermal Soaring Index....................... Good
Maximum rate of lift........................ 702 ft/min (3.6 m/s)
Maximum height of thermals.................. 13200 ft MSL (8273 ft AGL)
Forecast maximum temperature................... 80.0 F/27.1 C
Time of trigger temperature.................... 1245 MDT
Time of overdevelopment........................ 1800 MDT
Middle/high clouds during soaring window....... None
Surface winds during soaring window............ 20 mph or less
Height of the -3 thermal index................. 8036 ft MSL (3110 ft AGL)
Thermal soaring outlook for Friday 08/29....... Excellent
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 06:51:31 / 20:06:18 MDT
Total possible sunshine........... 13 hr 14 min 46 sec (794 min 46 sec)
Altitude of sun at 13:28:54 MDT... 57.99 degrees
Upper air data from rawinsonde observation taken on 08/28/2025 at 0600 MDT
Freezing level.................. 14083 ft MSL (9156 ft AGL)
Convective condensation level... 14344 ft MSL (9417 ft AGL)
Lifted condensation level....... 14035 ft MSL (9109 ft AGL)
Lifted index.................... -0.6
K index......................... +17.1
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 -24.2 -11.6 245 20 10 5.9 3.2 40.9 105.7 11.3 M M
24000 -20.0 -4.0 255 12 6 7.0 3.9 38.1 100.6 9.1 M M
22000 -15.8 3.6 260 11 6 7.2 3.9 36.2 97.2 7.7 M M
20000 -11.5 11.3 265 10 5 7.3 4.0 34.4 93.9 6.3 M M
18000 -7.6 18.3 270 8 4 6.3 3.4 32.2 90.0 4.5 M M
16000 -3.9 25.0 300 7 4 6.2 3.4 29.9 85.8 2.5 M M
14000 0.1 32.2 320 8 4 7.3 4.0 27.9 82.2 0.6 M M
12000 4.4 39.9 345 9 5 7.9 4.3 26.3 79.4 -0.9 594 3.0
10000 9.2 48.6 360 8 4 8.4 4.6 25.4 77.7 -2.0 392 2.0
9000 11.7 53.1 005 6 3 8.8 4.8 25.0 77.1 -2.4 288 1.5
8000 14.7 58.5 015 6 3 8.7 4.8 24.6 76.3 -3.1 159 0.8
7000 17.0 62.6 020 5 2 7.3 4.0 24.1 75.3 -3.7 60 0.3
6000 18.8 65.8 050 3 2 3.4 1.9 23.0 73.4 -4.9 M M
5000 15.8 60.4 105 5 3 -86.6 -47.5 17.1 62.7 -10.9 39 0.2
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
08/28/2025 at 0900 MDT | 08/28/2025 at 1200 MDT
|
CAPE... +385.7 LI... -1.2 | CAPE... +430.0 LI... -2.0
CINH... -20.9 K Index... +26.1 | CINH... -4.8 K Index... +26.2
|
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 -24.5 -12.1 245 25 13 6.5 3.6 | -24.0 -11.2 245 23 12 6.0 3.3
24000 -20.5 -4.9 250 19 10 7.1 3.9 | -20.1 -4.2 250 18 9 7.1 3.9
22000 -15.7 3.7 255 17 9 7.0 3.8 | -15.9 3.4 255 16 8 7.2 3.9
20000 -11.7 10.9 255 15 8 7.0 3.8 | -12.2 10.0 255 14 7 6.3 3.5
18000 -7.9 17.8 260 13 7 6.5 3.6 | -7.9 17.8 260 11 6 6.5 3.6
16000 -4.2 24.4 280 13 7 6.2 3.4 | -4.3 24.3 285 12 6 6.5 3.5
14000 -1.0 30.2 295 13 6 4.9 2.7 | -0.8 30.6 300 11 6 6.0 3.3
12000 2.6 36.7 300 12 6 7.5 4.1 | 2.9 37.2 310 11 6 7.4 4.0
10000 7.0 44.6 310 11 5 8.6 4.7 | 7.4 45.3 305 9 5 9.3 5.1
9000 9.0 48.2 310 9 5 7.8 4.3 | 9.6 49.3 310 7 4 8.2 4.5
8000 11.3 52.3 305 6 3 6.4 3.5 | 12.0 53.6 315 5 3 7.9 4.3
7000 13.4 56.1 265 3 2 7.0 3.8 | 14.4 57.9 310 5 2 9.3 5.1
6000 15.4 59.7 215 2 1 8.0 4.4 | 17.1 62.8 310 4 2 10.7 5.9
5000 18.5 65.3 175 2 1 20.8 11.4 | 19.9 67.8 310 4 2 13.7 7.5
08/28/2025 at 1500 MDT | 08/28/2025 at 1800 MDT
|
CAPE... +259.6 LI... -1.5 | CAPE... +91.6 LI... -0.3
CINH... -6.8 K Index... +23.7 | CINH... -36.5 K Index... +18.4
|
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 -23.7 -10.7 240 26 14 5.8 3.2 | -23.7 -10.7 240 30 15 6.2 3.4
24000 -19.9 -3.8 245 18 9 7.0 3.8 | -19.9 -3.8 245 21 11 6.8 3.7
22000 -15.8 3.6 255 13 7 7.0 3.8 | -15.4 4.3 245 13 6 6.8 3.7
20000 -12.0 10.4 260 13 7 6.5 3.5 | -11.4 11.5 260 11 6 6.9 3.8
18000 -7.8 18.0 260 12 6 6.3 3.4 | -7.7 18.1 270 10 5 6.3 3.4
16000 -4.1 24.6 280 10 5 6.5 3.6 | -3.8 25.2 285 9 5 6.7 3.7
14000 -0.2 31.6 290 10 5 6.7 3.7 | 0.4 32.7 300 11 5 7.4 4.1
12000 3.8 38.8 300 9 5 7.6 4.2 | 4.9 40.8 315 11 6 7.7 4.2
10000 8.5 47.3 305 8 4 10.0 5.5 | 9.5 49.1 330 9 5 8.2 4.5
9000 10.8 51.4 305 8 4 8.2 4.5 | 11.9 53.4 330 8 4 8.8 4.8
8000 13.4 56.1 310 7 4 8.3 4.5 | 14.5 58.1 335 7 4 8.2 4.5
7000 16.0 60.8 310 7 4 10.4 5.7 | 16.9 62.4 335 7 3 8.9 4.9
6000 18.7 65.7 315 7 4 11.1 6.1 | 19.4 66.9 335 6 3 10.7 5.9
5000 21.5 70.7 315 7 3 13.8 7.6 | 22.2 72.0 335 6 3 11.3 6.2
________________________________________________________________________________
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