720
UXUS97 KSLC 171228
SRGSLC
SOARING FORECAST
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH
528 AM MST WEDNESDAY, DECEMBER 17, 2025
THIS FORECAST IS FOR WEDNESDAY, DECEMBER 17, 2025:
IF THE TRIGGER TEMPERATURE OF 44.2 F/6.8 C IS REACHED...THEN
THERMAL SOARING INDEX....................... POOR
MAXIMUM RATE OF LIFT........................ 135 FT/MIN (0.7 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 12848 FT MSL (7922 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 57.0 F/14.3 C
TIME OF TRIGGER TEMPERATURE.................... NONE
TIME OF OVERDEVELOPMENT........................ NONE
MIDDLE/HIGH CLOUDS DURING SOARING WINDOW....... BROKEN/OVERCAST OPAQUE MIDDLE
SURFACE WINDS DURING SOARING WINDOW............ 20 MPH OR LESS
HEIGHT OF THE -3 THERMAL INDEX................. 10792 FT MSL (5866 FT AGL)
THERMAL SOARING OUTLOOK FOR THURSDAY 12/18..... POOR
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 07:46:36 / 17:01:46 MST
TOTAL POSSIBLE SUNSHINE........... 9 HR 15 MIN 10 SEC (555 MIN 10 SEC)
ALTITUDE OF SUN AT 12:24:11 MST... 25.60 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 12/17/2025 AT 0500 MST
FREEZING LEVEL.................. 5833 FT MSL (907 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 20424 FT MSL (15498 FT AGL)
LIFTED CONDENSATION LEVEL....... 14795 FT MSL (9870 FT AGL)
LIFTED INDEX.................... +12.3
K INDEX......................... -8.6
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 -30.2 -22.4 305 99 51 7.6 4.2 36.4 97.5 17.6 M M
24000 -25.1 -13.2 305 96 49 7.1 3.9 34.7 94.4 16.6 M M
22000 -21.1 -6.0 305 89 46 6.8 3.7 32.4 90.3 15.0 M M
20000 -17.3 0.9 305 81 42 6.1 3.3 29.9 85.9 13.3 M M
18000 -13.9 7.0 305 72 37 5.0 2.7 27.2 81.0 11.2 M M
16000 -12.6 9.3 305 62 32 -0.1 -0.1 22.2 71.9 6.9 M M
14000 -12.1 10.2 300 48 25 2.5 1.4 16.0 60.8 1.7 M M
12000 -8.7 16.3 300 38 20 6.1 3.4 13.1 55.6 -0.8 465 2.4
10000 -6.5 20.3 295 29 15 3.3 1.8 9.2 48.5 -4.5 342 1.7
9000 -5.4 22.3 290 21 11 3.3 1.8 7.3 45.2 -6.4 280 1.4
8000 -4.0 24.8 300 13 6 4.7 2.6 5.1 41.3 -8.8 200 1.0
7000 -2.3 27.9 295 5 3 6.2 3.4 3.9 39.0 -10.1 120 0.6
6000 -0.2 31.6 170 2 1 8.0 4.4 3.1 37.7 -11.0 26 0.1
5000 0.8 33.4 140 3 1 -30.6 -16.8 1.3 34.3 -13.1 M M
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
12/17/2025 AT 0800 MST | 12/17/2025 AT 1100 MST
|
CAPE... 0.0 LI... +0.4 | CAPE... 0.0 LI... +0.6
CINH... -0.0 K INDEX... +27.7 | CINH... -0.1 K INDEX... +26.9
|
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 -32.9 -27.2 280 74 38 8.6 4.7 | -34.1 -29.4 285 96 49 8.3 4.6
24000 -27.8 -18.0 280 75 38 8.3 4.6 | -29.1 -20.4 280 86 44 8.3 4.6
22000 -23.0 -9.4 280 70 36 8.0 4.4 | -23.5 -10.3 275 80 41 8.4 4.6
20000 -18.6 -1.5 275 65 33 7.2 4.0 | -18.9 -2.0 275 72 37 7.4 4.1
18000 -14.0 6.8 275 59 31 6.5 3.6 | -14.9 5.2 270 64 33 5.6 3.1
16000 -10.2 13.6 275 56 29 6.3 3.5 | -11.4 11.5 270 62 32 6.4 3.5
14000 -6.2 20.8 275 52 27 6.6 3.6 | -7.6 18.3 275 56 29 6.9 3.8
12000 -2.6 27.3 265 49 25 6.3 3.5 | -3.7 25.3 270 56 29 6.4 3.5
10000 1.5 34.7 250 41 21 7.9 4.4 | -0.1 31.8 270 52 27 6.7 3.7
9000 4.0 39.2 250 37 19 8.9 4.9 | 2.3 36.1 265 48 25 8.9 4.9
8000 6.6 43.9 240 34 17 7.4 4.1 | 4.7 40.5 260 43 22 7.9 4.4
7000 8.7 47.7 230 28 14 5.1 2.8 | 7.1 44.8 250 36 18 6.3 3.5
6000 9.8 49.6 205 24 12 -1.3 -0.7 | 9.2 48.6 235 28 14 0.3 0.2
5000 7.0 44.6 155 12 6 -12.2 -6.7 | 8.6 47.5 190 10 5 12.8 7.0
12/17/2025 AT 1400 MST | 12/17/2025 AT 1700 MST
|
CAPE... +112.6 LI... -0.3 | CAPE... +21.5 LI... +3.6
CINH... -21.1 K INDEX... +22.9 | CINH... -10.4 K INDEX... -14.0
|
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 -33.3 -27.9 290 111 57 8.3 4.6 | -32.9 -27.2 300 122 63 7.9 4.4
24000 -28.3 -18.9 285 108 56 8.7 4.8 | -28.2 -18.8 290 118 61 8.2 4.5
22000 -25.0 -13.0 285 97 50 5.1 2.8 | -24.5 -12.1 295 112 58 5.9 3.2
20000 -21.1 -6.0 280 82 42 6.5 3.5 | -21.6 -6.9 295 100 52 3.3 1.8
18000 -17.2 1.0 270 72 37 6.9 3.8 | -19.0 -2.2 300 78 40 5.4 3.0
16000 -13.5 7.7 270 67 34 5.7 3.1 | -14.9 5.2 295 65 34 6.3 3.4
14000 -10.1 13.8 280 67 34 6.3 3.5 | -11.8 10.8 290 62 32 4.7 2.6
12000 -6.1 21.0 285 64 33 7.1 3.9 | -9.5 14.9 285 52 27 4.0 2.2
10000 -1.9 28.6 285 54 28 7.6 4.2 | -5.9 21.4 290 37 19 7.5 4.1
9000 0.2 32.4 280 51 26 8.2 4.5 | -3.7 25.3 295 32 16 8.7 4.8
8000 2.4 36.3 280 47 24 7.7 4.2 | -1.5 29.3 300 27 14 6.4 3.5
7000 4.9 40.8 275 41 21 7.1 3.9 | 0.6 33.1 315 24 12 7.4 4.1
6000 7.4 45.3 275 34 18 5.5 3.0 | 2.7 36.9 330 19 10 7.9 4.3
5000 9.2 48.6 265 13 7 18.9 10.4 | 5.4 41.7 335 8 4 3.7 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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