629
UXUS97 KSLC 291228
SRGSLC
SOARING FORECAST
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH
528 AM MST MONDAY, DECEMBER 29, 2025
THIS FORECAST IS FOR MONDAY, DECEMBER 29, 2025:
IF THE TRIGGER TEMPERATURE OF 57.9 F/14.4 C IS REACHED...THEN
THERMAL SOARING INDEX....................... FAIR
MAXIMUM RATE OF LIFT........................ 257 FT/MIN (1.3 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 6124 FT MSL (1199 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 38.0 F/3.8 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................. 5332 FT MSL (407 FT AGL)
THERMAL SOARING OUTLOOK FOR TUESDAY 12/30...... FAIR
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 07:51:38 / 17:08:34 MST
TOTAL POSSIBLE SUNSHINE........... 9 HR 16 MIN 56 SEC (556 MIN 56 SEC)
ALTITUDE OF SUN AT 12:30:06 MST... 25.67 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 12/29/2025 AT 0500 MST
FREEZING LEVEL.................. 6258 FT MSL (1333 FT AGL)
ADDITIONAL FREEZING LEVEL....... 11168 FT MSL (6243 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 21971 FT MSL (17046 FT AGL)
LIFTED CONDENSATION LEVEL....... 11483 FT MSL (6558 FT AGL)
LIFTED INDEX.................... +20.2
K INDEX......................... -5.6
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 -31.3 -24.3 325 14 7 8.5 4.7 33.7 92.6 23.9 M M
24000 -26.2 -15.2 310 14 7 8.3 4.5 32.8 91.1 23.8 M M
22000 -21.3 -6.3 305 15 8 8.3 4.6 31.8 89.2 23.4 M M
20000 -15.6 3.9 300 16 8 8.5 4.6 30.7 87.2 23.1 M M
18000 -11.1 12.0 295 17 9 6.8 3.7 29.3 84.7 22.4 M M
16000 -8.1 17.4 295 17 9 4.1 2.3 26.2 79.1 20.0 M M
14000 -5.4 22.3 290 18 9 5.1 2.8 22.7 72.8 17.3 M M
12000 -1.7 28.9 285 18 9 6.7 3.7 20.2 68.4 15.5 M M
10000 1.5 34.7 275 12 6 2.8 1.5 17.4 63.3 13.2 M M
9000 2.1 35.8 255 8 4 2.0 1.1 15.0 59.0 11.0 M M
8000 2.1 35.8 230 5 3 0.5 0.2 12.0 53.6 8.2 M M
7000 1.0 33.8 195 5 2 -4.4 -2.4 7.2 44.9 3.5 M M
6000 -0.5 31.1 170 3 2 -2.0 -1.1 2.8 37.0 -0.9 258 1.3
5000 -2.9 26.8 105 3 2 -22.2 -12.2 -2.5 27.5 -6.3 301 1.5
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
12/29/2025 AT 0800 MST | 12/29/2025 AT 1100 MST
|
CAPE... 0.0 LI... +8.7 | CAPE... 0.0 LI... +8.8
CINH... -0.0 K INDEX... -5.9 | CINH... -0.3 K INDEX... -6.5
|
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 -34.6 -30.3 015 38 20 8.6 4.7 | -33.8 -28.8 020 32 17 8.7 4.7
24000 -29.5 -21.1 005 35 18 7.4 4.0 | -28.6 -19.5 010 28 14 8.2 4.5
22000 -24.9 -12.8 360 34 18 7.0 3.8 | -23.1 -9.6 360 26 13 8.2 4.5
20000 -20.9 -5.6 360 32 17 6.6 3.6 | -19.1 -2.4 355 26 13 6.4 3.5
18000 -17.2 1.0 355 29 15 5.7 3.1 | -15.6 3.9 350 27 14 5.4 2.9
16000 -13.3 8.1 355 24 12 6.9 3.8 | -12.2 10.0 350 25 13 6.0 3.3
14000 -9.1 15.6 355 20 10 7.4 4.0 | -8.4 16.9 355 20 10 6.4 3.5
12000 -5.2 22.6 360 17 9 4.5 2.5 | -4.7 23.5 005 13 7 6.2 3.4
10000 -3.7 25.3 010 11 6 -0.7 -0.4 | -2.2 28.0 025 9 5 1.1 0.6
9000 -3.8 25.2 010 8 4 -0.6 -0.3 | -2.2 28.0 035 6 3 -0.1 -0.1
8000 -4.4 24.1 020 5 3 -3.4 -1.9 | -2.6 27.3 050 4 2 -2.7 -1.5
7000 -5.1 22.8 025 4 2 -3.5 -1.9 | -3.7 25.3 055 2 1 -4.6 -2.5
6000 -4.8 23.4 020 1 1 2.5 1.4 | -3.9 25.0 010 1 0 4.0 2.2
5000 -4.8 23.4 175 1 0 14.8 8.1 | -1.7 28.9 310 2 1 13.7 7.5
12/29/2025 AT 1400 MST | 12/29/2025 AT 1700 MST
|
CAPE... 0.0 LI... +10.6 | CAPE... 0.0 LI... +11.3
CINH... -0.4 K INDEX... -4.7 | CINH... -0.2 K INDEX... -5.9
|
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 -33.4 -28.1 015 23 12 8.7 4.8 | -32.7 -26.9 010 18 9 8.9 4.9
24000 -28.2 -18.8 010 18 9 8.7 4.8 | -27.4 -17.3 355 15 8 8.9 4.9
22000 -22.3 -8.1 360 19 10 8.8 4.8 | -22.1 -7.8 350 14 7 8.9 4.9
20000 -17.5 0.5 350 19 10 7.9 4.3 | -17.1 1.2 345 14 7 8.3 4.5
18000 -13.6 7.5 340 21 11 5.5 3.0 | -12.2 10.0 340 16 8 6.1 3.4
16000 -10.7 12.7 345 22 11 4.8 2.6 | -9.5 14.9 335 17 9 4.1 2.2
14000 -7.7 18.1 350 19 10 5.4 2.9 | -7.0 19.4 340 17 9 4.7 2.6
12000 -4.3 24.3 350 11 6 5.5 3.0 | -3.9 25.0 340 11 5 5.5 3.0
10000 -1.5 29.3 020 5 3 2.7 1.5 | -1.0 30.2 340 4 2 3.4 1.8
9000 -1.1 30.0 040 4 2 0.7 0.4 | -0.2 31.6 015 2 1 1.6 0.9
8000 -1.4 29.5 060 3 2 -2.2 -1.2 | -0.3 31.5 060 2 1 -0.7 -0.4
7000 -2.5 27.5 045 3 1 -5.0 -2.8 | -1.3 29.7 045 2 1 -5.1 -2.8
6000 -2.6 27.3 355 3 1 5.3 2.9 | -1.7 28.9 015 2 1 0.8 0.4
5000 0.1 32.2 335 4 2 20.1 11.0 | -0.8 30.6 330 3 1 4.9 2.7
________________________________________________________________________________
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
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