Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
453
UXUS97 KSLC 041227
SRGSLC
Soaring Forecast
National Weather Service Salt Lake City, Utah
527 AM MST Thursday, December 4, 2025
This forecast is for Thursday, December 4, 2025:
If the trigger temperature of 44.3 F/6.9 C is reached...then
Thermal Soaring Index....................... Fair
Maximum rate of lift........................ 217 ft/min (1.1 m/s)
Maximum height of thermals.................. 7781 ft MSL (2856 ft AGL)
Forecast maximum temperature................... 39.0 F/4.3 C
Time of trigger temperature.................... None
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................. 5719 ft MSL (794 ft AGL)
Thermal soaring outlook for Friday 12/05....... Fair
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 07:36:13 / 17:00:17 MST
Total possible sunshine........... 9 hr 24 min 4 sec (564 min 4 sec)
Altitude of sun at 12:18:15 MST... 26.74 degrees
Upper air data from rawinsonde observation taken on 12/04/2025 at 0500 MST
Freezing level.................. Entire airmass below 32 F / 0 C
Convective condensation level... 12468 ft MSL (7543 ft AGL)
Lifted condensation level....... 8544 ft MSL (3619 ft AGL)
Lifted index.................... +11.0
K index......................... +19.4
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 -36.0 -32.8 330 64 33 5.5 3.0 29.5 85.2 20.1 M M
24000 -32.7 -26.9 325 52 27 5.5 3.0 26.4 79.5 18.0 M M
22000 -27.4 -17.3 320 50 26 8.5 4.7 24.9 76.8 17.2 M M
20000 -22.8 -9.0 320 49 25 7.2 4.0 23.5 74.3 16.4 M M
18000 -18.6 -1.5 320 48 25 6.8 3.7 21.7 71.1 15.1 M M
16000 -14.8 5.4 315 47 24 6.5 3.6 19.5 67.0 13.4 M M
14000 -11.2 11.8 315 44 23 5.5 3.0 17.0 62.6 11.4 M M
12000 -8.2 17.2 315 39 20 4.9 2.7 14.0 57.2 8.8 M M
10000 -5.5 22.1 295 30 15 3.6 2.0 10.7 51.3 5.9 M M
9000 -5.2 22.6 280 23 12 0.2 0.1 8.0 46.4 3.4 M M
8000 -5.1 22.8 255 16 8 2.2 1.2 5.0 41.0 0.5 M M
7000 -3.1 26.4 220 12 6 5.8 3.2 3.3 38.0 -1.1 144 0.7
6000 -1.7 28.9 195 10 5 2.7 1.5 1.8 35.2 -2.6 72 0.4
5000 -0.0 32.0 175 7 4 7.3 4.0 0.6 33.1 -3.9 M M
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
12/04/2025 at 0800 MST | 12/04/2025 at 1100 MST
|
CAPE... +0.2 LI... +10.2 | CAPE... +2.4 LI... +10.6
CINH... -2.0 K Index... +2.9 | CINH... -0.3 K Index... -2.5
|
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 -38.0 -36.4 360 52 27 6.5 3.6 | -35.9 -32.6 360 72 37 6.3 3.5
24000 -34.1 -29.4 355 44 23 6.3 3.5 | -32.1 -25.8 350 52 27 6.3 3.5
22000 -29.4 -20.9 355 39 20 8.2 4.5 | -28.4 -19.1 345 41 21 6.3 3.5
20000 -24.8 -12.6 350 34 18 7.2 3.9 | -23.4 -10.1 340 33 17 8.2 4.5
18000 -20.1 -4.2 345 29 15 6.4 3.5 | -18.6 -1.5 335 30 15 7.4 4.1
16000 -16.3 2.7 340 28 14 5.8 3.2 | -15.0 5.0 335 28 14 5.2 2.9
14000 -13.5 7.7 330 26 13 3.5 1.9 | -12.2 10.0 330 24 12 3.5 1.9
12000 -11.7 10.9 320 21 11 2.6 1.4 | -10.7 12.7 320 19 10 2.7 1.5
10000 -10.5 13.1 300 15 8 3.3 1.8 | -8.9 16.0 300 14 7 2.6 1.4
9000 -9.5 14.9 290 12 6 3.5 1.9 | -8.4 16.9 280 9 5 1.9 1.1
8000 -7.5 18.5 280 8 4 7.4 4.1 | -7.0 19.4 255 7 4 6.8 3.7
7000 -5.5 22.1 255 5 3 7.3 4.0 | -5.1 22.8 220 6 3 8.1 4.5
6000 -3.4 25.9 215 4 2 7.6 4.2 | -2.7 27.1 200 6 3 9.1 5.0
5000 -2.2 28.0 185 3 1 -27.5 -15.1 | 1.6 34.9 190 5 2 41.6 22.8
12/04/2025 at 1400 MST | 12/04/2025 at 1700 MST
|
CAPE... +0.2 LI... +10.3 | CAPE... 0.0 LI... +10.7
CINH... -0.1 K Index... -5.3 | CINH... -0.1 K Index... +1.6
|
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 -34.7 -30.5 355 68 35 7.2 3.9 | -34.6 -30.3 340 55 28 7.5 4.1
24000 -30.4 -22.7 355 60 31 7.2 4.0 | -30.1 -22.2 340 49 25 7.6 4.2
22000 -26.3 -15.3 350 50 25 6.7 3.7 | -25.3 -13.5 335 42 22 7.1 3.9
20000 -22.0 -7.6 335 41 21 6.1 3.4 | -21.1 -6.0 330 39 20 7.1 3.9
18000 -18.3 -0.9 330 37 19 6.6 3.6 | -17.1 1.2 325 37 19 6.0 3.3
16000 -14.5 5.9 325 31 16 5.6 3.1 | -14.0 6.8 320 35 18 5.3 2.9
14000 -11.6 11.1 320 26 14 4.0 2.2 | -11.1 12.0 320 31 16 3.4 1.9
12000 -10.2 13.6 310 21 11 1.8 1.0 | -10.3 13.5 305 27 14 1.3 0.7
10000 -8.6 16.5 290 15 8 3.2 1.8 | -8.0 17.6 295 19 10 4.8 2.6
9000 -7.7 18.1 275 11 6 2.7 1.5 | -6.5 20.3 285 14 7 5.1 2.8
8000 -6.2 20.8 250 8 4 8.4 4.6 | -5.1 22.8 265 9 5 4.7 2.6
7000 -4.0 24.8 230 6 3 8.5 4.6 | -3.1 26.4 235 7 3 6.9 3.8
6000 -1.3 29.7 225 5 3 9.3 5.1 | -1.0 30.2 205 5 2 7.4 4.1
5000 3.2 37.8 235 4 2 50.5 27.7 | 1.5 34.7 175 2 1 -10.0 -5.5
________________________________________________________________________________
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