Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
683
UXUS97 KSLC 201227
SRGSLC
Soaring Forecast
National Weather Service Salt Lake City, Utah
627 AM MDT Wednesday, August 20, 2025
This forecast is for Wednesday, August 20, 2025:
If the trigger temperature of 90.6 F/32.6 C is reached...then
Thermal Soaring Index....................... Excellent
Maximum rate of lift........................ 1688 ft/min (8.6 m/s)
Maximum height of thermals.................. 20380 ft MSL (15456 ft AGL)
Forecast maximum temperature................... 100.0 F/38.2 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................. 15398 ft MSL (10473 ft AGL)
Thermal soaring outlook for Thursday 08/21..... Excellent
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 06:43:39 / 20:18:32 MDT
Total possible sunshine........... 13 hr 34 min 53 sec (814 min 53 sec)
Altitude of sun at 13:31:05 MDT... 60.59 degrees
Upper air data from rawinsonde observation taken on 08/20/2025 at 0600 MDT
Freezing level.................. 16638 ft MSL (11714 ft AGL)
Convective condensation level... 19166 ft MSL (14242 ft AGL)
Lifted condensation level....... 19625 ft MSL (14700 ft AGL)
Lifted index.................... -1.8
K index......................... +27.0
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 -19.7 -3.5 255 26 13 5.7 3.1 44.9 112.9 5.7 M M
24000 -16.3 2.7 245 23 12 6.0 3.3 42.0 107.7 3.3 M M
22000 -12.2 10.0 235 23 12 8.2 4.5 39.4 102.8 0.9 M M
20000 -7.5 18.5 230 21 11 8.1 4.5 38.2 100.7 -0.2 1442 7.3
18000 -3.0 26.6 225 18 9 7.5 4.1 36.8 98.2 -1.6 1249 6.3
16000 1.6 34.9 230 14 7 8.7 4.8 35.7 96.2 -2.8 1049 5.3
14000 7.0 44.6 260 11 5 9.1 5.0 35.1 95.2 -3.4 830 4.2
12000 12.4 54.3 280 9 5 9.1 5.0 34.7 94.5 -3.8 608 3.1
10000 17.8 64.0 290 3 2 8.0 4.4 34.2 93.6 -4.3 388 2.0
9000 20.2 68.4 300 2 1 7.4 4.0 33.7 92.6 -4.9 286 1.5
8000 22.2 72.0 330 2 1 6.1 3.3 32.8 91.0 -5.8 195 1.0
7000 24.0 75.2 315 2 1 3.7 2.0 30.8 87.5 -7.8 106 0.5
6000 24.3 75.7 255 2 1 -1.0 -0.5 28.2 82.8 -10.4 67 0.3
5000 20.2 68.4 110 3 2 -99.0 -54.3 21.2 70.1 -17.6 160 0.8
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
08/20/2025 at 0900 MDT | 08/20/2025 at 1200 MDT
|
CAPE... +0.1 LI... +0.4 | CAPE... +0.5 LI... +0.8
CINH... -0.1 K Index... +16.9 | CINH... -11.6 K Index... +17.3
|
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 -20.7 -5.3 235 29 15 6.0 3.3 | -20.5 -4.9 240 27 14 5.6 3.1
24000 -17.1 1.2 230 25 13 6.4 3.5 | -16.8 1.8 235 22 12 6.9 3.8
22000 -13.3 8.1 220 21 11 6.7 3.7 | -12.3 9.9 225 20 10 6.3 3.5
20000 -8.9 16.0 205 21 11 6.9 3.8 | -8.6 16.5 225 19 10 6.4 3.5
18000 -3.8 25.2 200 17 9 9.5 5.2 | -3.6 25.5 215 18 9 9.1 5.0
16000 1.9 35.4 205 13 7 9.4 5.1 | 1.9 35.4 210 13 7 9.3 5.1
14000 7.4 45.3 200 10 5 9.1 5.0 | 7.4 45.3 205 10 5 9.3 5.1
12000 12.7 54.9 200 5 3 8.8 4.8 | 12.8 55.0 195 8 4 9.0 5.0
10000 17.8 64.0 205 3 2 7.8 4.3 | 18.0 64.4 190 7 4 7.6 4.2
9000 20.3 68.5 200 3 2 8.6 4.7 | 20.7 69.3 200 7 4 8.9 4.9
8000 22.6 72.7 190 4 2 7.6 4.1 | 23.1 73.6 210 7 3 8.3 4.6
7000 24.7 76.5 190 6 3 6.8 3.7 | 25.7 78.3 215 7 3 9.3 5.1
6000 26.3 79.3 185 8 4 4.9 2.7 | 28.4 83.1 225 6 3 10.4 5.7
5000 27.9 82.2 160 4 2 14.1 7.8 | 34.0 93.2 245 6 3 78.2 42.9
08/20/2025 at 1500 MDT | 08/20/2025 at 1800 MDT
|
CAPE... +24.6 LI... +1.0 | CAPE... +3.2 LI... +0.9
CINH... -28.2 K Index... +19.3 | CINH... -40.1 K Index... +22.2
|
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 -20.0 -4.0 230 25 13 6.0 3.3 | -19.6 -3.3 240 27 14 5.9 3.3
24000 -16.2 2.8 230 21 11 6.7 3.7 | -16.0 3.2 230 23 12 6.5 3.6
22000 -11.7 10.9 230 18 9 7.4 4.1 | -11.6 11.1 225 21 11 8.1 4.4
20000 -7.4 18.7 225 17 9 7.5 4.1 | -6.9 19.6 215 19 10 8.1 4.4
18000 -2.9 26.8 210 15 8 8.5 4.7 | -2.2 28.0 205 16 8 7.9 4.3
16000 2.3 36.1 205 14 7 9.1 5.0 | 2.8 37.0 200 15 8 8.9 4.9
14000 7.9 46.2 205 12 6 9.4 5.2 | 8.3 46.9 210 13 7 9.3 5.1
12000 13.4 56.1 210 10 5 9.3 5.1 | 13.9 57.0 225 10 5 9.2 5.1
10000 18.7 65.7 225 7 4 7.6 4.2 | 19.2 66.6 250 8 4 8.0 4.4
9000 21.5 70.7 245 7 3 8.6 4.7 | 22.0 71.6 270 7 3 9.0 4.9
8000 24.2 75.6 265 7 3 8.7 4.8 | 24.6 76.3 290 6 3 8.6 4.7
7000 26.7 80.1 290 8 4 9.0 4.9 | 27.2 81.0 310 7 3 8.6 4.7
6000 29.2 84.6 305 9 4 11.3 6.2 | 29.8 85.6 320 7 4 10.0 5.5
5000 35.1 95.2 310 9 5 86.4 47.4 | 32.5 90.5 320 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