Soaring Guidance
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
156
UXUS97 KSLC 091227
SRGSLC
Soaring Forecast
National Weather Service Salt Lake City, Utah
527 AM MST Tuesday, December 9, 2025
This forecast is for Tuesday, December 9, 2025:
If the trigger temperature of 56.9 F/13.8 C is reached...then
Thermal Soaring Index....................... Poor
Maximum rate of lift........................ 0 ft/min (0.0 m/s)
Maximum height of thermals.................. 7141 ft MSL (2215 ft AGL)
Forecast maximum temperature................... 54.0 F/12.7 C
Time of trigger temperature.................... None
Time of overdevelopment........................ 1400 MST
Middle/high clouds during soaring window....... Broken/overcast thin middle
Surface winds during soaring window............ 20 mph or less
Height of the -3 thermal index................. 5165 ft MSL (239 ft AGL)
Thermal soaring outlook for Wednesday 12/10.... Poor
Wave Soaring Index............................. Not available
Remarks...
Sunrise/Sunset.................... 07:40:43 / 17:00:05 MST
Total possible sunshine........... 9 hr 19 min 22 sec (559 min 22 sec)
Altitude of sun at 12:20:24 MST... 26.16 degrees
Upper air data from rawinsonde observation taken on 12/09/2025 at 0500 MST
Freezing level.................. 9996 ft MSL (5070 ft AGL)
Convective condensation level... 13663 ft MSL (8737 ft AGL)
Lifted condensation level....... 10043 ft MSL (5117 ft AGL)
Lifted index.................... +10.7
K index......................... +17.7
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 -27.7 -17.9 310 52 27 8.4 4.6 37.8 100.0 20.1 M M
24000 -22.8 -9.0 310 52 27 7.3 4.0 36.8 98.2 19.8 M M
22000 -17.9 -0.2 315 51 26 7.5 4.1 34.9 94.8 18.6 M M
20000 -14.1 6.6 315 51 26 6.1 3.4 32.4 90.3 16.9 M M
18000 -10.4 13.3 315 51 26 6.6 3.6 30.1 86.1 15.2 M M
16000 -7.0 19.4 320 47 24 5.4 2.9 27.4 81.3 13.0 M M
14000 -5.4 22.3 315 42 21 5.8 3.2 22.9 73.2 9.1 M M
12000 -3.0 26.6 310 32 16 2.3 1.3 19.2 66.6 5.8 M M
10000 -0.2 31.6 295 27 14 7.2 4.0 16.1 61.0 2.8 M M
9000 1.5 34.7 290 22 11 8.0 4.4 14.9 58.9 1.7 M M
8000 4.0 39.2 285 15 8 3.8 2.1 13.7 56.6 0.6 M M
7000 6.2 43.2 275 8 4 7.4 4.0 12.8 55.1 -0.2 78 0.4
6000 8.2 46.8 215 5 2 4.3 2.4 11.8 53.3 -1.1 M M
5000 7.1 44.8 160 5 3 -45.3 -24.9 8.0 46.4 -5.1 M M
* * * * * * Numerical weather prediction model forecast data valid * * * * * *
12/09/2025 at 0800 MST | 12/09/2025 at 1100 MST
|
CAPE... 0.0 LI... +8.0 | CAPE... 0.0 LI... +8.0
CINH... -0.1 K Index... +14.1 | CINH... -0.3 K Index... +15.3
|
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 -28.4 -19.1 305 46 24 8.1 4.4 | -27.8 -18.0 305 52 27 8.0 4.4
24000 -23.6 -10.5 305 47 24 8.0 4.4 | -23.1 -9.6 305 54 28 7.7 4.2
22000 -18.2 -0.8 310 51 26 8.0 4.4 | -18.5 -1.3 305 58 30 7.8 4.3
20000 -13.8 7.2 310 55 28 7.4 4.0 | -14.2 6.4 305 59 30 7.1 3.9
18000 -9.7 14.5 305 59 30 6.7 3.7 | -9.9 14.2 305 57 29 5.9 3.3
16000 -6.5 20.3 305 56 29 3.9 2.1 | -7.1 19.2 305 53 27 4.6 2.5
14000 -5.1 22.8 300 49 25 1.7 0.9 | -4.8 23.4 300 48 25 3.0 1.7
12000 -3.3 26.1 300 39 20 4.4 2.4 | -3.2 26.2 300 40 21 3.2 1.7
10000 -0.3 31.5 290 29 15 6.4 3.5 | -0.2 31.6 295 30 16 7.2 3.9
9000 1.7 35.1 285 23 12 5.5 3.0 | 1.9 35.4 290 26 13 7.0 3.8
8000 3.4 38.1 275 17 9 5.1 2.8 | 3.9 39.0 280 22 11 5.1 2.8
7000 5.1 41.2 255 12 6 5.8 3.2 | 5.5 41.9 260 15 8 5.5 3.0
6000 6.4 43.5 220 9 5 4.1 2.2 | 6.9 44.4 225 11 5 3.2 1.8
5000 6.6 43.9 175 8 4 -4.2 -2.3 | 8.0 46.4 190 8 4 7.2 4.0
12/09/2025 at 1400 MST | 12/09/2025 at 1700 MST
|
CAPE... 0.0 LI... +5.7 | CAPE... 0.0 LI... +4.8
CINH... -0.2 K Index... +17.1 | CINH... -0.1 K Index... +18.5
|
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 -28.2 -18.8 300 59 30 7.8 4.3 | -28.3 -18.9 305 65 33 7.5 4.1
24000 -23.6 -10.5 300 59 30 7.5 4.1 | -23.8 -10.8 300 62 32 7.3 4.0
22000 -19.1 -2.4 300 60 31 7.6 4.2 | -19.5 -3.1 300 59 31 7.3 4.0
20000 -14.9 5.2 300 58 30 6.9 3.8 | -15.4 4.3 300 58 30 6.8 3.7
18000 -10.7 12.7 300 56 29 6.0 3.3 | -11.2 11.8 300 56 29 6.0 3.3
16000 -7.5 18.5 300 54 28 5.3 2.9 | -7.6 18.3 305 55 28 5.7 3.1
14000 -5.1 22.8 305 51 26 4.0 2.2 | -4.8 23.4 310 52 27 4.2 2.3
12000 -2.8 27.0 305 43 22 3.5 1.9 | -2.6 27.3 310 43 22 2.9 1.6
10000 -0.4 31.3 295 31 16 6.6 3.6 | -0.2 31.6 295 31 16 5.1 2.8
9000 1.6 34.9 290 26 13 7.4 4.1 | 1.4 34.5 295 26 13 7.6 4.2
8000 3.7 38.7 285 20 10 5.2 2.9 | 3.5 38.3 295 20 10 6.8 3.7
7000 5.4 41.7 275 13 7 5.3 2.9 | 5.5 41.9 290 12 6 5.5 3.0
6000 7.2 45.0 250 7 4 4.7 2.6 | 7.5 45.5 265 5 3 6.6 3.6
5000 9.0 48.2 160 3 1 0.5 0.3 | 7.7 45.9 140 3 1 -39.5 -21.6
________________________________________________________________________________
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