Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
489
UXUS97 KSLC 211227
SRGSLC
Soaring Forecast
National Weather Service Salt Lake City, Utah
627 AM MDT Thursday, August 21, 2025
This forecast is for Thursday, August 21, 2025:
If the trigger temperature of 88.1 F/31.1 C is reached...then
Thermal Soaring Index....................... Excellent
Maximum rate of lift........................ 1419 ft/min (7.2 m/s)
Maximum height of thermals.................. 17956 ft MSL (13030 ft AGL)
Forecast maximum temperature................... 96.0 F/36.0 C
Time of trigger temperature.................... 1145 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................. 11046 ft MSL (6120 ft AGL)
Thermal soaring outlook for Friday 08/22....... Excellent
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 06:44:38 / 20:17:03 MDT
Total possible sunshine........... 13 hr 32 min 25 sec (812 min 25 sec)
Altitude of sun at 13:30:51 MDT... 60.27 degrees
Upper air data from rawinsonde observation taken on 08/21/2025 at 0600 MDT
Freezing level.................. 16434 ft MSL (11508 ft AGL)
Convective condensation level... 16766 ft MSL (11840 ft AGL)
Lifted condensation level....... 17237 ft MSL (12311 ft AGL)
Lifted index.................... -2.4
K index......................... +28.5
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 -20.2 -4.4 260 26 13 6.7 3.7 44.4 112.0 6.9 M M
24000 -16.1 3.0 255 23 12 7.1 3.9 42.3 108.2 5.3 M M
22000 -11.9 10.6 250 21 11 6.8 3.7 40.6 105.0 3.8 M M
20000 -7.7 18.1 265 15 8 6.6 3.6 37.9 100.3 1.6 M M
18000 -3.4 25.9 270 13 7 7.2 4.0 36.4 97.5 -0.0 1218 6.2
16000 1.1 34.0 270 12 6 8.5 4.7 35.1 95.2 -1.3 1023 5.2
14000 6.4 43.5 275 10 5 8.9 4.9 34.6 94.2 -1.9 806 4.1
12000 11.6 52.9 265 8 4 8.4 4.6 34.0 93.1 -2.5 589 3.0
10000 16.4 61.5 260 4 2 7.9 4.3 33.0 91.3 -3.6 387 2.0
9000 18.8 65.8 255 2 1 7.6 4.2 32.5 90.4 -4.1 285 1.4
8000 21.1 70.0 290 1 1 7.1 3.9 31.8 89.2 -4.8 189 1.0
7000 23.4 74.1 050 1 0 6.0 3.3 30.5 86.9 -6.2 82 0.4
6000 24.6 76.3 105 2 1 1.1 0.6 28.8 83.9 -8.0 18 0.1
5000 20.7 69.3 105 5 3 -99.0 -54.3 22.1 71.7 -14.8 103 0.5
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
08/21/2025 at 0900 MDT | 08/21/2025 at 1200 MDT
|
CAPE... +103.6 LI... -0.3 | CAPE... +57.6 LI... -0.4
CINH... -242.1 K Index... +26.9 | CINH... -97.7 K Index... +27.3
|
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 -20.5 -4.9 250 23 12 5.7 3.1 | -19.6 -3.3 240 22 11 6.2 3.4
24000 -16.7 1.9 240 23 12 7.2 4.0 | -15.9 3.4 235 22 11 6.6 3.6
22000 -12.4 9.7 230 24 12 7.7 4.2 | -12.0 10.4 235 23 12 7.0 3.9
20000 -7.3 18.9 230 24 12 7.9 4.3 | -7.4 18.7 235 25 13 7.3 4.0
18000 -2.8 27.0 230 24 12 7.6 4.2 | -3.4 25.9 235 25 13 7.4 4.0
16000 1.8 35.2 230 21 11 8.4 4.6 | 1.2 34.2 230 22 11 8.7 4.8
14000 6.9 44.4 235 17 9 8.9 4.9 | 6.6 43.9 230 17 9 8.6 4.7
12000 12.1 53.8 235 11 6 8.5 4.6 | 11.7 53.1 225 11 5 8.6 4.7
10000 17.0 62.6 220 6 3 7.1 3.9 | 16.7 62.1 220 6 3 7.5 4.1
9000 19.3 66.7 200 6 3 7.1 3.9 | 19.1 66.4 235 4 2 7.6 4.2
8000 21.4 70.5 195 4 2 6.4 3.5 | 21.3 70.3 270 3 2 7.1 3.9
7000 22.7 72.9 200 4 2 4.4 2.4 | 22.9 73.2 300 4 2 7.4 4.1
6000 23.1 73.6 220 2 1 3.0 1.7 | 24.3 75.7 305 5 3 10.2 5.6
5000 23.5 74.3 250 2 1 11.3 6.2 | 26.8 80.2 300 6 3 16.8 9.2
08/21/2025 at 1500 MDT | 08/21/2025 at 1800 MDT
|
CAPE... +68.0 LI... -0.4 | CAPE... +36.9 LI... -0.2
CINH... -56.7 K Index... +28.0 | CINH... -100.8 K Index... +26.7
|
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 -19.0 -2.2 235 23 12 7.0 3.8 | -19.2 -2.6 240 23 12 7.0 3.8
24000 -15.2 4.6 235 22 11 6.0 3.3 | -15.3 4.5 240 23 12 6.4 3.5
22000 -11.8 10.8 235 21 11 7.0 3.8 | -11.6 11.1 240 23 12 7.1 3.9
20000 -7.0 19.4 240 22 11 7.4 4.0 | -6.8 19.8 245 21 11 7.4 4.1
18000 -2.8 27.0 245 22 11 7.7 4.2 | -2.4 27.7 250 18 9 7.4 4.1
16000 1.6 34.9 245 20 10 7.8 4.3 | 2.1 35.8 255 15 8 8.1 4.4
14000 6.7 44.1 245 17 9 8.9 4.9 | 7.2 45.0 255 13 7 8.8 4.8
12000 12.0 53.6 245 14 7 8.9 4.9 | 12.6 54.7 265 11 6 8.8 4.8
10000 17.1 62.8 250 8 4 7.1 3.9 | 17.7 63.9 280 9 5 7.8 4.3
9000 19.7 67.5 285 5 3 8.5 4.7 | 20.3 68.5 305 7 4 8.5 4.7
8000 22.3 72.1 310 5 3 8.6 4.7 | 22.7 72.9 325 7 4 8.5 4.7
7000 24.7 76.5 325 6 3 8.3 4.5 | 25.1 77.2 340 7 4 8.2 4.5
6000 27.1 80.8 320 7 3 10.1 5.5 | 27.2 81.0 335 7 4 9.5 5.2
5000 29.9 85.8 315 7 4 13.0 7.1 | 29.7 85.5 325 7 4 10.9 6.0
________________________________________________________________________________
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