620
UXUS97 KSLC 131227
SRGSLC
SOARING FORECAST
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH
527 AM MST SATURDAY, DECEMBER 13, 2025
THIS FORECAST IS FOR SATURDAY, DECEMBER 13, 2025:
IF THE TRIGGER TEMPERATURE OF 67.4 F/19.6 C IS REACHED...THEN
THERMAL SOARING INDEX....................... POOR
MAXIMUM RATE OF LIFT........................ 155 FT/MIN (0.8 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 6297 FT MSL (1373 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 55.0 F/13.2 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................. 5516 FT MSL (592 FT AGL)
THERMAL SOARING OUTLOOK FOR SUNDAY 12/14....... POOR
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 07:43:53 / 17:00:38 MST
TOTAL POSSIBLE SUNSHINE........... 9 HR 16 MIN 45 SEC (556 MIN 45 SEC)
ALTITUDE OF SUN AT 12:22:16 MST... 25.82 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 12/13/2025 AT 0500 MST
FREEZING LEVEL.................. 13265 FT MSL (8341 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 22904 FT MSL (17980 FT AGL)
LIFTED CONDENSATION LEVEL....... 16684 FT MSL (11760 FT AGL)
LIFTED INDEX.................... +11.8
K INDEX......................... -27.1
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 -32.5 -26.5 255 25 13 6.7 3.6 31.7 89.0 14.9 M M
24000 -28.2 -18.8 240 20 10 9.7 5.3 29.8 85.7 13.7 M M
22000 -22.5 -8.5 245 17 9 9.5 5.2 29.7 85.4 13.9 M M
20000 -16.4 2.5 250 15 8 8.9 4.9 29.1 84.3 13.8 M M
18000 -11.4 11.5 245 14 7 8.0 4.4 28.2 82.7 13.3 M M
16000 -6.4 20.5 240 13 7 8.3 4.5 27.2 80.9 12.7 M M
14000 -1.7 28.9 230 12 6 7.5 4.1 26.0 78.7 11.9 M M
12000 2.6 36.7 220 10 5 6.4 3.5 24.3 75.7 10.6 M M
10000 6.2 43.2 210 9 5 4.7 2.6 21.9 71.4 8.6 M M
9000 7.4 45.3 200 8 4 3.0 1.7 20.1 68.2 6.9 M M
8000 8.2 46.8 190 7 4 1.6 0.9 18.0 64.3 4.9 M M
7000 8.5 47.3 180 6 3 0.7 0.4 14.7 58.4 1.6 M M
6000 8.6 47.5 170 5 3 -2.1 -1.2 11.9 53.4 -1.2 145 0.7
5000 2.7 36.9 120 6 3 -99.0 -54.3 3.1 37.6 -10.1 294 1.5
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
12/13/2025 AT 0800 MST | 12/13/2025 AT 1100 MST
|
CAPE... 0.0 LI... +8.7 | CAPE... 0.0 LI... +8.1
CINH... -0.1 K INDEX... -20.7 | CINH... -0.1 K INDEX... -24.6
|
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 -30.6 -23.1 330 26 14 8.1 4.4 | -31.2 -24.2 325 20 10 8.3 4.6
24000 -25.8 -14.4 325 28 15 8.1 4.5 | -26.2 -15.2 330 22 11 8.4 4.6
22000 -20.9 -5.6 325 29 15 8.1 4.5 | -21.2 -6.2 330 22 11 8.3 4.6
20000 -16.2 2.8 320 30 15 7.8 4.3 | -15.7 3.7 325 23 12 8.1 4.4
18000 -11.0 12.2 320 29 15 7.7 4.2 | -10.8 12.6 325 23 12 8.0 4.4
16000 -6.5 20.3 320 28 14 7.3 4.0 | -6.3 20.7 320 22 11 7.2 4.0
14000 -2.5 27.5 320 26 13 5.8 3.2 | -2.2 28.0 320 20 10 6.4 3.5
12000 0.5 32.9 320 23 12 3.6 2.0 | 1.1 34.0 325 18 9 4.1 2.2
10000 2.5 36.5 315 17 9 4.1 2.3 | 3.3 37.9 325 13 7 3.3 1.8
9000 3.7 38.7 310 13 7 5.9 3.2 | 4.4 39.9 320 10 5 4.7 2.6
8000 5.5 41.9 290 8 4 4.9 2.7 | 5.9 42.6 305 5 3 4.1 2.2
7000 6.7 44.1 250 5 2 5.1 2.8 | 7.2 45.0 250 2 1 5.5 3.0
6000 7.6 45.7 190 5 3 3.4 1.8 | 8.0 46.4 190 3 2 4.1 2.2
5000 7.8 46.0 150 6 3 -7.1 -3.9 | 9.6 49.3 170 2 1 6.4 3.5
12/13/2025 AT 1400 MST | 12/13/2025 AT 1700 MST
|
CAPE... 0.0 LI... +7.6 | CAPE... 0.0 LI... +7.1
CINH... 0.0 K INDEX... -26.0 | CINH... -0.2 K INDEX... -26.2
|
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 -31.5 -24.7 320 13 7 8.5 4.7 | -31.7 -25.1 285 8 4 8.5 4.7
24000 -26.4 -15.5 325 14 7 8.6 4.7 | -26.6 -15.9 300 9 4 8.8 4.9
22000 -21.2 -6.2 325 14 7 8.6 4.7 | -21.3 -6.3 300 9 5 8.8 4.8
20000 -15.6 3.9 320 16 8 8.2 4.5 | -15.7 3.7 300 11 6 8.1 4.5
18000 -10.8 12.6 315 17 9 7.9 4.3 | -10.9 12.4 305 14 7 7.8 4.3
16000 -6.2 20.8 315 17 9 7.2 4.0 | -6.3 20.7 310 14 7 7.4 4.0
14000 -2.0 28.4 320 16 8 6.3 3.5 | -2.1 28.2 315 13 7 6.7 3.7
12000 1.4 34.5 320 14 7 4.6 2.5 | 1.7 35.1 330 12 6 5.3 2.9
10000 3.9 39.0 325 11 6 3.7 2.0 | 4.5 40.1 335 9 4 3.3 1.8
9000 4.8 40.6 320 8 4 4.2 2.3 | 5.5 41.9 340 6 3 3.5 1.9
8000 6.0 42.8 305 4 2 3.7 2.0 | 6.7 44.1 350 3 1 3.2 1.8
7000 7.1 44.8 270 1 1 5.7 3.1 | 7.8 46.0 050 1 0 4.1 2.2
6000 8.4 47.1 200 1 1 6.9 3.8 | 9.0 48.2 115 1 1 4.6 2.5
5000 10.4 50.7 000 0 0 11.8 6.5 | 10.0 50.0 080 1 1 3.6 2.0
________________________________________________________________________________
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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