564
UXUS97 KSLC 281228
SRGSLC
SOARING FORECAST
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH
528 AM MST SUNDAY, DECEMBER 28, 2025
THIS FORECAST IS FOR SUNDAY, DECEMBER 28, 2025:
IF THE TRIGGER TEMPERATURE OF 44.8 F/7.1 C IS REACHED...THEN
THERMAL SOARING INDEX....................... FAIR
MAXIMUM RATE OF LIFT........................ 247 FT/MIN (1.3 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 7565 FT MSL (2639 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 36.0 F/2.7 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................. 6684 FT MSL (1758 FT AGL)
THERMAL SOARING OUTLOOK FOR MONDAY 12/29....... FAIR
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 07:51:25 / 17:07:49 MST
TOTAL POSSIBLE SUNSHINE........... 9 HR 16 MIN 25 SEC (556 MIN 25 SEC)
ALTITUDE OF SUN AT 12:29:37 MST... 25.62 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 12/28/2025 AT 0500 MST
FREEZING LEVEL.................. ENTIRE AIRMASS BELOW 32 F / 0 C
CONVECTIVE CONDENSATION LEVEL... 22252 FT MSL (17326 FT AGL)
LIFTED CONDENSATION LEVEL....... 13296 FT MSL (8370 FT AGL)
LIFTED INDEX.................... +18.9
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 -35.4 -31.7 015 47 24 8.5 4.7 30.1 86.2 21.8 M M
24000 -30.3 -22.5 015 40 20 7.6 4.2 29.3 84.8 21.7 M M
22000 -25.9 -14.6 005 32 16 6.6 3.6 26.6 79.9 20.1 M M
20000 -22.0 -7.6 355 26 13 6.7 3.6 24.4 75.8 18.6 M M
18000 -18.0 -0.4 345 20 10 6.9 3.8 22.3 72.2 17.3 M M
16000 -13.4 7.9 340 14 7 7.9 4.3 20.9 69.5 16.4 M M
14000 -9.0 15.8 345 13 7 5.6 3.1 19.2 66.5 15.2 M M
12000 -6.2 20.8 350 11 6 2.2 1.2 15.9 60.7 12.6 M M
10000 -5.3 22.5 345 9 5 1.3 0.7 10.6 51.1 7.8 M M
9000 -5.1 22.8 345 8 4 -0.3 -0.2 7.8 46.0 5.2 M M
8000 -5.6 21.9 355 6 3 -2.1 -1.1 3.4 38.2 1.1 M M
7000 -6.3 20.7 005 5 3 -0.5 -0.3 -0.3 31.5 -2.6 245 1.2
6000 -5.2 22.6 015 2 1 5.3 2.9 -2.0 28.3 -4.5 182 0.9
5000 -4.5 23.9 140 1 1 3.5 1.9 -4.1 24.6 -6.7 130 0.7
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
12/28/2025 AT 0800 MST | 12/28/2025 AT 1100 MST
|
CAPE... +2.4 LI... +12.6 | CAPE... +0.8 LI... +12.0
CINH... -0.2 K INDEX... -25.4 | CINH... 0.0 K INDEX... -25.5
|
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 -37.8 -36.0 330 47 24 6.9 3.8 | -36.6 -33.9 315 36 18 7.8 4.3
24000 -33.7 -28.7 330 43 22 6.8 3.8 | -31.9 -25.4 315 36 19 8.1 4.4
22000 -29.9 -21.8 330 42 22 6.2 3.4 | -28.4 -19.1 315 36 18 5.8 3.2
20000 -25.8 -14.4 330 41 21 6.1 3.4 | -24.9 -12.8 315 34 17 5.9 3.2
18000 -22.2 -8.0 330 39 20 5.7 3.1 | -20.9 -5.6 320 30 16 6.1 3.4
16000 -18.5 -1.3 330 36 18 6.1 3.4 | -17.5 0.5 325 27 14 5.3 2.9
14000 -14.8 5.4 335 34 18 5.4 3.0 | -14.2 6.4 330 23 12 5.3 2.9
12000 -12.6 9.3 335 30 15 2.0 1.1 | -11.3 11.7 340 21 11 3.4 1.9
10000 -12.6 9.3 330 19 10 -0.1 -0.1 | -10.5 13.1 345 15 8 -0.4 -0.2
9000 -12.5 9.5 325 13 7 2.4 1.3 | -10.6 12.9 350 11 6 0.6 0.3
8000 -11.4 11.5 325 8 4 7.4 4.1 | -10.2 13.6 350 6 3 4.0 2.2
7000 -9.4 15.1 330 5 2 6.8 3.7 | -8.7 16.3 345 3 2 6.3 3.5
6000 -7.1 19.2 335 3 2 7.0 3.8 | -6.2 20.8 325 2 1 9.5 5.2
5000 -3.7 25.3 325 2 1 18.5 10.2 | -3.1 26.4 320 2 1 14.8 8.1
12/28/2025 AT 1400 MST | 12/28/2025 AT 1700 MST
|
CAPE... 0.0 LI... +12.4 | CAPE... 0.0 LI... +11.5
CINH... 0.0 K INDEX... -19.6 | CINH... -0.1 K INDEX... -18.3
|
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 -36.3 -33.3 295 34 18 8.5 4.7 | -37.3 -35.1 295 31 16 8.2 4.5
24000 -31.2 -24.2 300 33 17 8.6 4.7 | -32.4 -26.3 310 26 14 8.2 4.5
22000 -27.0 -16.6 305 32 16 6.9 3.8 | -27.9 -18.2 325 24 12 7.4 4.1
20000 -23.4 -10.1 310 30 15 5.0 2.8 | -23.9 -11.0 335 23 12 6.1 3.4
18000 -20.1 -4.2 315 26 14 5.0 2.7 | -19.9 -3.8 340 22 11 5.7 3.1
16000 -17.1 1.2 320 22 12 5.1 2.8 | -16.6 2.1 340 20 10 5.4 2.9
14000 -14.0 6.8 330 19 10 4.8 2.6 | -13.4 7.9 340 17 9 4.9 2.7
12000 -11.2 11.8 345 16 8 3.9 2.1 | -10.6 12.9 345 14 7 4.1 2.2
10000 -9.9 14.2 360 13 7 0.1 0.1 | -8.8 16.2 360 10 5 1.0 0.5
9000 -9.9 14.2 010 10 5 0.9 0.5 | -8.6 16.5 005 8 4 0.2 0.1
8000 -9.1 15.6 015 7 4 4.8 2.6 | -8.2 17.2 020 6 3 2.8 1.6
7000 -7.6 18.3 355 5 3 6.5 3.5 | -7.1 19.2 010 5 3 3.9 2.1
6000 -5.2 22.6 340 5 3 10.1 5.6 | -5.2 22.6 340 5 3 8.0 4.4
5000 -2.1 28.2 330 5 3 15.6 8.6 | -2.7 27.1 330 5 3 8.6 4.7
________________________________________________________________________________
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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