Soaring Guidance
Issued by NWS Salt Lake City, UT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8
655
UXUS97 KSLC 231228
SRGSLC

Soaring Forecast
National Weather Service Salt Lake City, Utah
628 AM MDT Saturday, August 23, 2025

This forecast is for Saturday, August 23, 2025:

If the trigger temperature of 83.8 F/28.8 C is reached...then
   Thermal Soaring Index....................... Excellent
   Maximum rate of lift........................ 1390 ft/min (7.1 m/s)
   Maximum height of thermals.................. 18247 ft MSL (13321 ft AGL)

Forecast maximum temperature................... 96.0 F/36.0 C
Time of trigger temperature.................... 0945 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................. 14596 ft MSL (9670 ft AGL)
Thermal soaring outlook for Sunday 08/24....... Excellent

Wave Soaring Index............................. Not available

Remarks...

Sunrise/Sunset.................... 06:46:36 / 20:14:03 MDT
Total possible sunshine........... 13 hr 27 min 26 sec (807 min 26 sec)
Altitude of sun at 13:30:19 MDT... 59.64 degrees

Upper air data from rawinsonde observation taken on 08/23/2025 at 0600 MDT

Freezing level.................. 15956 ft MSL (11030 ft AGL)
Convective condensation level... 14686 ft MSL (9760 ft AGL)
Lifted condensation level....... 16059 ft MSL (11133 ft AGL)
Lifted index.................... -4.0
K index......................... +27.3

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  -19.4  -2.9   270   16    8   7.5   4.1   45.1 113.2     7.4      M    M
 24000  -15.3   4.5   265   12    6   6.6   3.6   43.1 109.5     5.8      M    M
 22000  -11.4  11.5   255    7    4   6.4   3.5   40.9 105.6     4.0      M    M
 20000   -7.7  18.1   225    6    3   6.4   3.5   38.4 101.1     1.8      M    M
 18000   -4.1  24.6   190    7    4   6.1   3.4   36.0  96.9    -0.3   1168  5.9
 16000   -0.1  31.8   175    5    3   7.2   3.9   33.9  93.1    -2.2    992  5.0
 14000    4.7  40.5   185    4    2   8.5   4.6   32.9  91.2    -3.3    786  4.0
 12000    9.8  49.6   225    5    3   8.4   4.6   32.1  89.8    -4.2    576  2.9
 10000   14.5  58.1   265    7    4   7.8   4.3   31.1  88.0    -5.4    376  1.9
  9000   16.5  61.7   285    8    4   6.7   3.7   30.4  86.7    -6.3    285  1.4
  8000   19.1  66.4   295    6    3   6.9   3.8   29.3  84.7    -7.5    172  0.9
  7000   21.0  69.8   275    2    1   6.9   3.8   28.4  83.1    -8.5     83  0.4
  6000   22.7  72.9   165    3    2   5.0   2.8   27.2  81.0    -9.9      4  0.0
  5000   21.6  70.9   130    5    2 -73.1 -40.1   23.4  74.1   -14.0      7  0.0

 * * * * * * Numerical weather prediction model forecast data valid * * * * * *

           08/23/2025 at 0900 MDT          |       08/23/2025 at 1200 MDT
                                           |
CAPE...   +18.8    LI...       -1.1        | CAPE...  +299.4    LI...       -2.3
CINH...  -102.4    K Index... +24.5        | CINH...   -36.8    K Index... +26.4
                                           |
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 -20.4  -4.7  285  17  9   7.4   4.0 | -20.2  -4.4  270  16  8   7.2   4.0
 24000 -16.1   3.0  280  14  7   7.0   3.8 | -16.0   3.2  270  14  7   6.7   3.7
 22000 -12.0  10.4  275  14  7   6.3   3.4 | -12.1  10.2  270  14  7   5.8   3.2
 20000  -8.6  16.5  290  12  6   6.0   3.3 |  -9.0  15.8  285   9  5   5.5   3.0
 18000  -4.3  24.3  310  10  5   8.4   4.6 |  -4.5  23.9  315   8  4   8.8   4.8
 16000   0.8  33.4  305   9  5   9.0   4.9 |   0.7  33.3  310   7  4   9.0   5.0
 14000   6.1  43.0  300   9  5   9.0   5.0 |   6.0  42.8  300   6  3   9.1   5.0
 12000  11.2  52.2  310   6  3   8.5   4.7 |  11.3  52.3  295   3  2   8.8   4.8
 10000  16.2  61.2  350   2  1   7.8   4.3 |  16.5  61.7  250   1  1   8.1   4.5
  9000  18.7  65.7  050   1  1   8.5   4.6 |  19.2  66.6  220   2  1   9.3   5.1
  8000  20.8  69.4  105   2  1   6.9   3.8 |  21.5  70.7  225   3  1   8.2   4.5
  7000  22.6  72.7  140   4  2   4.1   2.3 |  24.0  75.2  230   4  2   8.2   4.5
  6000  24.2  75.6  135   6  3   4.0   2.2 |  26.6  79.9  235   4  2   9.7   5.3
  5000  26.8  80.2  120   4  2  34.7  19.0 |  32.2  90.0  245   4  2  80.7  44.3

           08/23/2025 at 1500 MDT          |       08/23/2025 at 1800 MDT
                                           |
CAPE...  +321.5    LI...       -1.9        | CAPE...   +94.6    LI...       -0.7
CINH...   -36.7    K Index... +25.9        | CINH...   -62.9    K Index... +24.8
                                           |
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 -19.9  -3.8  255  19 10   7.4   4.1 | -19.6  -3.3  265  25 13   7.3   4.0
 24000 -15.8   3.6  260  15  8   6.7   3.7 | -15.5   4.1  270  22 11   6.6   3.6
 22000 -11.8  10.8  260  12  6   6.1   3.3 | -11.6  11.1  270  17  9   6.7   3.7
 20000  -8.0  17.6  275   8  4   5.8   3.2 |  -7.7  18.1  270  12  6   6.8   3.7
 18000  -4.0  24.8  315   4  2   8.2   4.5 |  -3.4  25.9  265   5  3   7.9   4.3
 16000   0.9  33.6  315   3  2   8.7   4.8 |   1.4  34.5  260   3  2   8.7   4.7
 14000   6.2  43.2  290   4  2   9.1   5.0 |   6.6  43.9  280   3  1   8.9   4.9
 12000  11.6  52.9  275   5  2   9.0   4.9 |  11.9  53.4  310   4  2   9.0   4.9
 10000  16.9  62.4  265   6  3   8.3   4.5 |  17.1  62.8  315   6  3   7.9   4.3
  9000  19.7  67.5  275   7  3   9.5   5.2 |  19.6  67.3  325   7  3   8.9   4.9
  8000  22.2  72.0  280   7  4   8.4   4.6 |  21.9  71.4  330   8  4   8.2   4.5
  7000  24.7  76.5  290   8  4   8.4   4.6 |  24.4  75.9  340   9  5   8.6   4.7
  6000  27.2  81.0  300   8  4  10.2   5.6 |  26.9  80.4  345   9  4   9.3   5.1
  5000  33.0  91.4  305   8  4  83.7  45.9 |  31.6  88.9  350   7  4  53.5  29.4
________________________________________________________________________________

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