418
UXUS97 KSLC 171228
SRGSLC
SOARING FORECAST
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH
628 AM MDT THURSDAY, SEPTEMBER 17, 2026
THIS FORECAST IS FOR THURSDAY, SEPTEMBER 17, 2026:
IF THE TRIGGER TEMPERATURE OF 74.6 F/23.7 C IS REACHED...THEN
THERMAL SOARING INDEX....................... EXCELLENT
MAXIMUM RATE OF LIFT........................ 987 FT/MIN (5.0 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 16190 FT MSL (11263 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 84.0 F/29.3 C
TIME OF TRIGGER TEMPERATURE.................... 1200 MDT
TIME OF OVERDEVELOPMENT........................ NONE
MIDDLE/HIGH CLOUDS DURING SOARING WINDOW....... BROKEN/OVERCAST THIN MIDDLE
SURFACE WINDS DURING SOARING WINDOW............ 20 MPH OR LESS
HEIGHT OF THE -3 THERMAL INDEX................. 13044 FT MSL (8118 FT AGL)
THERMAL SOARING OUTLOOK FOR FRIDAY 09/18....... GOOD
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 07:10:50 / 19:33:38 MDT
TOTAL POSSIBLE SUNSHINE........... 12 HR 22 MIN 47 SEC (742 MIN 47 SEC)
ALTITUDE OF SUN AT 13:22:14 MDT... 50.93 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 09/17/2026 AT 0600 MDT
FREEZING LEVEL.................. 13721 FT MSL (8794 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 11666 FT MSL (6739 FT AGL)
LIFTED CONDENSATION LEVEL....... 13379 FT MSL (8453 FT AGL)
LIFTED INDEX.................... -5.9
K INDEX......................... +31.7
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 -25.5 -13.9 210 48 25 7.3 4.0 39.3 102.7 8.1 M M
24000 -21.4 -6.5 210 44 23 6.4 3.5 37.3 99.1 6.7 M M
22000 -17.2 1.0 205 38 19 6.7 3.7 34.6 94.2 4.5 M M
20000 -12.8 9.0 210 34 17 7.5 4.1 32.9 91.1 3.0 M M
18000 -8.5 16.7 210 31 16 7.4 4.0 31.3 88.4 1.7 M M
16000 -4.6 23.7 210 28 14 6.2 3.4 29.3 84.8 -0.2 970 4.9
14000 -0.7 30.7 210 25 13 7.5 4.1 27.4 81.3 -2.2 794 4.0
12000 3.7 38.7 210 23 12 8.3 4.6 26.0 78.8 -3.7 605 3.1
10000 8.7 47.7 210 22 11 8.8 4.8 25.3 77.6 -4.6 394 2.0
9000 11.4 52.5 210 22 11 8.7 4.8 25.1 77.1 -4.9 287 1.5
8000 13.9 57.0 205 21 11 8.7 4.8 24.8 76.6 -5.4 181 0.9
7000 16.9 62.4 195 19 10 8.0 4.4 24.3 75.7 -6.0 54 0.3
6000 18.7 65.7 180 15 8 4.1 2.3 23.2 73.8 -7.3 M M
5000 17.6 63.7 145 8 4 -62.9 -34.5 19.2 66.6 -11.3 M M
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
09/17/2026 AT 0900 MDT | 09/17/2026 AT 1200 MDT
|
CAPE... +502.7 LI... -2.4 | CAPE... +929.4 LI... -3.1
CINH... -69.3 K INDEX... +33.1 | CINH... -9.2 K INDEX... +30.0
|
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 -23.1 -9.6 205 35 18 7.4 4.1 | -23.5 -10.3 205 38 20 7.3 4.0
24000 -18.9 -2.0 210 33 17 6.4 3.5 | -19.2 -2.6 210 36 18 6.8 3.7
22000 -15.1 4.8 215 30 16 6.4 3.5 | -15.2 4.6 210 32 17 6.8 3.7
20000 -10.4 13.3 215 29 15 7.3 4.0 | -10.3 13.5 210 31 16 7.5 4.1
18000 -6.5 20.3 215 28 14 6.2 3.4 | -6.5 20.3 210 29 15 6.0 3.3
16000 -3.0 26.6 205 24 13 6.4 3.5 | -3.0 26.6 215 27 14 6.5 3.6
14000 0.7 33.3 200 21 11 6.5 3.5 | 0.9 33.6 215 25 13 6.9 3.8
12000 4.7 40.5 200 18 9 7.1 3.9 | 4.7 40.5 215 22 11 6.7 3.7
10000 9.1 48.4 200 15 8 7.7 4.2 | 8.9 48.0 210 18 9 7.0 3.8
9000 11.2 52.2 195 14 7 7.6 4.2 | 11.1 52.0 200 16 8 7.7 4.2
8000 13.2 55.8 190 13 7 6.8 3.8 | 13.2 55.8 195 14 7 8.0 4.4
7000 15.2 59.4 175 14 7 6.0 3.3 | 15.5 59.9 185 15 7 8.1 4.4
6000 16.8 62.2 165 13 7 7.3 4.0 | 17.8 64.0 180 14 7 9.9 5.4
5000 18.7 65.7 145 6 3 -4.7 -2.6 | 22.1 71.8 175 9 4 42.6 23.4
09/17/2026 AT 1500 MDT | 09/17/2026 AT 1800 MDT
|
CAPE... +998.3 LI... -3.3 | CAPE... +866.7 LI... -3.3
CINH... -1.8 K INDEX... +29.2 | CINH... -11.3 K INDEX... +29.9
|
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 -23.7 -10.7 210 43 22 7.2 4.0 | -24.4 -11.9 215 45 23 7.3 4.0
24000 -19.5 -3.1 210 41 21 7.1 3.9 | -20.0 -4.0 215 42 22 7.5 4.1
22000 -14.7 5.5 210 37 19 7.3 4.0 | -15.6 3.9 215 40 20 7.5 4.1
20000 -10.3 13.5 210 36 19 7.4 4.1 | -10.6 12.9 215 38 19 7.6 4.1
18000 -6.0 21.2 215 35 18 6.8 3.7 | -6.4 20.5 215 35 18 6.6 3.6
16000 -2.5 27.5 215 31 16 5.5 3.0 | -2.8 27.0 215 31 16 6.5 3.6
14000 0.9 33.6 210 26 13 6.7 3.7 | 1.2 34.2 210 26 13 7.4 4.1
12000 5.0 41.0 205 21 11 7.8 4.3 | 5.6 42.1 205 21 11 8.3 4.6
10000 9.7 49.5 200 16 8 8.5 4.6 | 10.5 50.9 200 17 9 8.8 4.8
9000 12.2 54.0 195 15 8 9.1 5.0 | 13.2 55.8 195 16 8 9.1 5.0
8000 14.9 58.8 190 14 7 9.4 5.2 | 15.7 60.3 190 14 7 9.3 5.1
7000 17.7 63.9 185 14 7 9.7 5.3 | 18.4 65.1 185 13 7 9.4 5.2
6000 20.5 68.9 185 13 7 10.9 6.0 | 21.2 70.2 180 12 6 10.0 5.5
5000 25.8 78.4 180 10 5 68.8 37.7 | 25.3 77.5 175 8 4 34.8 19.1
________________________________________________________________________________
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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