924
UXUS97 KSLC 201228
SRGSLC
SOARING FORECAST
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH
528 AM MST SATURDAY, DECEMBER 20, 2025
THIS FORECAST IS FOR SATURDAY, DECEMBER 20, 2025:
IF THE TRIGGER TEMPERATURE OF 58.6 F/14.8 C IS REACHED...THEN
THERMAL SOARING INDEX....................... POOR
MAXIMUM RATE OF LIFT........................ 0 FT/MIN (0.0 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 5628 FT MSL (702 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 51.0 F/11.0 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................. 4941 FT MSL (15 FT AGL)
THERMAL SOARING OUTLOOK FOR SUNDAY 12/21....... POOR
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 07:48:19 / 17:03:01 MST
TOTAL POSSIBLE SUNSHINE........... 9 HR 14 MIN 41 SEC (554 MIN 41 SEC)
ALTITUDE OF SUN AT 12:25:40 MST... 25.52 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 12/20/2025 AT 0500 MST
FREEZING LEVEL.................. 10020 FT MSL (5094 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 12869 FT MSL (7943 FT AGL)
LIFTED CONDENSATION LEVEL....... 9802 FT MSL (4876 FT AGL)
LIFTED INDEX.................... +8.9
K INDEX......................... +21.7
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 -30.9 -23.6 275 71 36 7.3 4.0 34.4 93.9 18.7 M M
24000 -26.6 -15.9 275 66 34 7.2 3.9 32.7 90.8 17.7 M M
22000 -22.1 -7.8 270 61 31 6.8 3.7 30.1 86.3 16.1 M M
20000 -18.3 -0.9 265 56 29 6.3 3.4 27.8 82.0 14.3 M M
18000 -14.6 5.7 260 51 26 6.3 3.5 25.4 77.8 12.5 M M
16000 -11.1 12.0 255 45 23 5.9 3.2 22.9 73.2 10.5 M M
14000 -7.6 18.3 250 42 22 6.2 3.4 20.4 68.8 8.4 M M
12000 -4.0 24.8 240 40 21 6.2 3.4 18.1 64.6 6.3 M M
10000 -0.2 31.6 230 31 16 7.0 3.9 16.0 60.8 4.4 M M
9000 2.3 36.1 220 27 14 8.8 4.8 15.5 60.0 4.1 M M
8000 5.7 42.3 210 24 12 7.2 3.9 15.2 59.4 3.8 M M
7000 7.6 45.7 195 22 11 4.9 2.7 14.2 57.6 2.8 M M
6000 8.4 47.1 175 20 10 1.5 0.8 12.1 53.9 0.8 M M
5000 7.5 45.5 155 10 5 -6.3 -3.5 8.3 47.0 -3.1 8 0.0
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
12/20/2025 AT 0800 MST | 12/20/2025 AT 1100 MST
|
CAPE... +12.7 LI... +1.5 | CAPE... +6.7 LI... +1.9
CINH... -9.7 K INDEX... +15.6 | CINH... -11.0 K INDEX... +8.1
|
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 -33.7 -28.7 275 108 56 6.3 3.4 | -34.2 -29.6 280 102 53 6.2 3.4
24000 -29.9 -21.8 275 101 52 6.4 3.5 | -30.4 -22.7 280 94 48 6.3 3.5
22000 -26.8 -16.2 275 83 43 4.3 2.4 | -26.5 -15.7 285 80 41 5.7 3.1
20000 -23.2 -9.8 275 71 37 7.2 4.0 | -22.9 -9.2 285 68 35 6.2 3.4
18000 -19.0 -2.2 275 64 33 6.4 3.5 | -19.2 -2.6 280 58 30 6.2 3.4
16000 -15.6 3.9 275 55 28 5.5 3.0 | -15.5 4.1 280 49 25 5.4 3.0
14000 -12.1 10.2 275 47 24 7.0 3.8 | -12.1 10.2 275 40 20 6.5 3.6
12000 -8.0 17.6 275 42 22 6.8 3.7 | -8.2 17.2 270 35 18 7.0 3.8
10000 -3.9 25.0 275 32 17 6.9 3.8 | -4.3 24.3 275 25 13 6.3 3.4
9000 -1.8 28.8 275 27 14 8.0 4.4 | -2.3 27.9 270 20 10 8.3 4.6
8000 0.2 32.4 270 20 10 6.5 3.6 | -0.1 31.8 270 15 8 7.4 4.0
7000 2.1 35.8 265 11 6 6.1 3.3 | 2.1 35.8 265 11 6 5.7 3.1
6000 4.0 39.2 235 5 3 6.3 3.5 | 3.6 38.5 265 6 3 5.3 2.9
5000 5.1 41.2 165 2 1 10.6 5.8 | 5.5 41.9 275 2 1 8.9 4.9
12/20/2025 AT 1400 MST | 12/20/2025 AT 1700 MST
|
CAPE... +12.9 LI... +2.8 | CAPE... +3.6 LI... +2.7
CINH... -13.7 K INDEX... -0.0 | CINH... -12.5 K INDEX... +4.5
|
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 -33.7 -28.7 280 101 52 6.3 3.4 | -33.5 -28.3 275 91 47 8.1 4.5
24000 -29.9 -21.8 285 94 48 6.4 3.5 | -28.7 -19.7 280 88 45 8.0 4.4
22000 -26.5 -15.7 285 76 39 4.9 2.7 | -25.5 -13.9 285 75 38 5.1 2.8
20000 -22.7 -8.9 280 64 33 7.4 4.1 | -22.1 -7.8 280 61 31 6.3 3.4
18000 -18.3 -0.9 280 56 29 6.7 3.7 | -17.8 -0.0 275 50 26 6.6 3.6
16000 -14.7 5.5 280 48 25 5.3 2.9 | -14.2 6.4 270 44 23 5.4 2.9
14000 -11.7 10.9 275 37 19 5.0 2.8 | -10.9 12.4 265 38 20 5.6 3.1
12000 -8.5 16.7 265 30 16 6.9 3.8 | -7.9 17.8 260 32 16 6.4 3.5
10000 -4.2 24.4 260 24 12 7.2 4.0 | -3.5 25.7 250 22 11 7.4 4.1
9000 -2.0 28.4 260 19 10 8.3 4.5 | -1.1 30.0 245 17 9 8.2 4.5
8000 0.1 32.2 260 13 7 7.4 4.1 | 1.0 33.8 235 12 6 7.6 4.2
7000 2.4 36.3 260 7 4 7.1 3.9 | 3.2 37.8 210 7 3 7.3 4.0
6000 4.4 39.9 245 2 1 7.7 4.2 | 5.6 42.1 165 4 2 7.4 4.0
5000 8.2 46.8 000 0 0 33.8 18.6 | 7.5 45.5 095 2 1 -15.4 -8.4
________________________________________________________________________________
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
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