Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
607
UXUS97 KSLC 171230
SRGSLC
Soaring Forecast
National Weather Service Salt Lake City, Utah
630 AM MDT Sunday, August 17, 2025
This forecast is for Sunday, August 17, 2025:
If the trigger temperature of 83.3 F/28.5 C is reached...then
Thermal Soaring Index....................... Excellent
Maximum rate of lift........................ 1439 ft/min (7.3 m/s)
Maximum height of thermals.................. 19986 ft MSL (15060 ft AGL)
Forecast maximum temperature................... 93.0 F/34.3 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................. 16736 ft MSL (11809 ft AGL)
Thermal soaring outlook for Monday 08/18....... Excellent
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 06:40:41 / 20:22:53 MDT
Total possible sunshine........... 13 hr 42 min 12 sec (822 min 12 sec)
Altitude of sun at 13:31:47 MDT... 61.51 degrees
Upper air data from rawinsonde observation taken on 08/17/2025 at 0600 MDT
Freezing level.................. 14902 ft MSL (9976 ft AGL)
Convective condensation level... 20574 ft MSL (15648 ft AGL)
Lifted condensation level....... 20480 ft MSL (15553 ft AGL)
Lifted index.................... +1.2
K index......................... +16.2
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 -23.4 -10.1 245 17 9 8.0 4.4 41.4 106.5 5.9 M M
24000 -18.5 -1.3 240 19 10 6.2 3.4 39.3 102.8 4.4 M M
22000 -14.8 5.4 230 22 11 6.0 3.3 36.8 98.3 2.4 M M
20000 -11.4 11.5 215 20 10 5.8 3.2 33.9 93.1 -0.0 1436 7.3
18000 -7.6 18.3 205 17 9 7.4 4.0 31.8 89.2 -2.1 1262 6.4
16000 -3.0 26.6 200 16 8 8.5 4.7 30.5 87.0 -3.4 1067 5.4
14000 2.4 36.3 200 12 6 9.2 5.1 30.1 86.3 -3.9 845 4.3
12000 8.0 46.4 215 11 6 9.3 5.1 29.9 85.7 -4.3 620 3.1
10000 13.4 56.1 220 13 7 8.8 4.8 29.4 85.0 -4.8 398 2.0
9000 16.1 61.0 215 14 7 8.6 4.7 29.2 84.5 -5.1 288 1.5
8000 19.2 66.6 205 14 7 8.4 4.6 28.6 83.5 -5.7 157 0.8
7000 21.2 70.2 190 15 8 6.4 3.5 27.7 81.8 -6.7 68 0.3
6000 22.5 72.5 165 15 8 0.7 0.4 26.0 78.8 -8.4 M M
5000 18.3 64.9 135 9 5 -99.0 -54.3 18.9 66.1 -15.6 95 0.5
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
08/17/2025 at 0900 MDT | 08/17/2025 at 1200 MDT
|
CAPE... +16.6 LI... -1.6 | CAPE... +182.9 LI... -1.2
CINH... -48.2 K Index... +29.3 | CINH... -8.4 K Index... +29.5
|
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 -25.3 -13.5 245 9 4 7.4 4.0 | -25.6 -14.1 215 10 5 6.7 3.7
24000 -21.0 -5.8 250 10 5 6.9 3.8 | -21.5 -6.7 225 9 5 7.6 4.2
22000 -16.9 1.6 240 12 6 7.0 3.8 | -16.3 2.7 225 11 6 7.4 4.0
20000 -12.6 9.3 220 12 6 6.6 3.6 | -12.2 10.0 210 14 7 7.1 3.9
18000 -8.7 16.3 210 11 6 7.0 3.8 | -8.4 16.9 200 14 7 6.9 3.8
16000 -4.5 23.9 220 10 5 7.7 4.2 | -4.2 24.4 200 13 7 7.7 4.2
14000 0.6 33.1 225 11 5 9.2 5.1 | 0.8 33.4 210 11 6 9.1 5.0
12000 6.2 43.2 230 11 6 9.6 5.2 | 6.2 43.2 215 10 5 9.3 5.1
10000 11.7 53.1 230 12 6 8.1 4.4 | 11.7 53.1 215 10 5 8.4 4.6
9000 14.3 57.7 220 13 7 8.2 4.5 | 14.4 57.9 210 10 5 9.2 5.1
8000 16.7 62.1 210 13 7 7.8 4.3 | 17.2 63.0 205 10 5 9.7 5.3
7000 19.0 66.2 200 15 8 7.3 4.0 | 20.1 68.2 200 10 5 10.0 5.5
6000 20.7 69.3 180 16 8 4.8 2.6 | 23.0 73.4 200 10 5 10.9 6.0
5000 23.4 74.1 165 10 5 16.8 9.2 | 28.7 83.7 195 8 4 78.6 43.1
08/17/2025 at 1500 MDT | 08/17/2025 at 1800 MDT
|
CAPE... +190.4 LI... -1.4 | CAPE... +85.4 LI... -1.0
CINH... -7.8 K Index... +25.9 | CINH... -21.2 K Index... +23.5
|
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 -25.6 -14.1 205 15 8 7.0 3.9 | -25.1 -13.2 235 17 9 7.1 3.9
24000 -21.4 -6.5 200 13 7 7.3 4.0 | -20.7 -5.3 225 16 8 7.6 4.1
22000 -16.5 2.3 205 14 7 7.2 4.0 | -15.7 3.7 210 15 8 6.8 3.7
20000 -12.3 9.9 210 15 8 7.3 4.0 | -12.1 10.2 205 16 8 6.3 3.5
18000 -7.9 17.8 205 15 8 8.1 4.4 | -7.7 18.1 200 15 8 8.9 4.9
16000 -3.1 26.4 200 14 7 8.4 4.6 | -2.3 27.9 200 15 7 9.2 5.1
14000 2.3 36.1 200 13 7 9.3 5.1 | 3.1 37.6 200 14 7 9.5 5.2
12000 7.8 46.0 205 12 6 9.4 5.1 | 8.7 47.7 200 13 6 9.4 5.2
10000 13.4 56.1 210 10 5 7.9 4.3 | 14.3 57.7 205 10 5 7.3 4.0
9000 16.4 61.5 215 9 5 10.0 5.5 | 17.2 63.0 205 9 4 9.2 5.1
8000 19.4 66.9 220 9 5 10.0 5.5 | 20.2 68.4 215 8 4 9.7 5.3
7000 22.4 72.3 225 8 4 9.2 5.0 | 23.1 73.6 220 7 4 9.8 5.4
6000 25.3 77.5 235 7 4 10.0 5.5 | 25.9 78.6 230 5 3 10.0 5.5
5000 31.2 88.2 250 5 3 88.2 48.4 | 29.4 84.9 250 4 2 18.8 10.3
________________________________________________________________________________
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