347  
UXUS97 KSLC 211228  
SRGSLC  
 
SOARING FORECAST  
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH  
628 AM MDT MONDAY, SEPTEMBER 21, 2026  
 
THIS FORECAST IS FOR MONDAY, SEPTEMBER 21, 2026:  
 
IF THE TRIGGER TEMPERATURE OF 68.1 F/20.0 C IS REACHED...THEN  
THERMAL SOARING INDEX....................... EXCELLENT  
MAXIMUM RATE OF LIFT........................ 980 FT/MIN (5.0 M/S)  
MAXIMUM HEIGHT OF THERMALS.................. 14669 FT MSL (9743 FT AGL)  
 
FORECAST MAXIMUM TEMPERATURE................... 79.0 F/26.6 C  
TIME OF TRIGGER TEMPERATURE.................... 1045 MDT  
TIME OF OVERDEVELOPMENT........................ 1800 MDT  
MIDDLE/HIGH CLOUDS DURING SOARING WINDOW....... NONE  
SURFACE WINDS DURING SOARING WINDOW............ 20 MPH OR LESS  
HEIGHT OF THE -3 THERMAL INDEX................. 11435 FT MSL (6509 FT AGL)  
THERMAL SOARING OUTLOOK FOR TUESDAY 09/22...... EXCELLENT  
 
WAVE SOARING INDEX............................. NOT AVAILABLE  
 
REMARKS...  
 
SUNRISE/SUNSET.................... 07:14:47 / 19:26:50 MDT  
TOTAL POSSIBLE SUNSHINE........... 12 HR 12 MIN 4 SEC (732 MIN 4 SEC)  
ALTITUDE OF SUN AT 13:20:49 MDT... 49.42 DEGREES  
 
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 09/21/2026 AT 0600 MDT  
 
FREEZING LEVEL.................. 13032 FT MSL (8106 FT AGL)  
CONVECTIVE CONDENSATION LEVEL... 13173 FT MSL (8247 FT AGL)  
LIFTED CONDENSATION LEVEL....... 13929 FT MSL (9002 FT AGL)  
LIFTED INDEX.................... -2.1  
K INDEX......................... +25.9  
 
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 -27.3 -17.1 195 34 18 7.6 4.2 37.5 99.6 8.9 M M  
24000 -22.8 -9.0 200 36 19 7.4 4.1 36.0 96.8 7.9 M M  
22000 -18.5 -1.3 200 37 19 7.4 4.1 34.3 93.8 6.5 M M  
20000 -13.8 7.2 200 36 18 6.9 3.8 32.1 89.8 4.7 M M  
18000 -9.7 14.5 200 35 18 7.2 3.9 30.3 86.6 3.2 M M  
16000 -5.6 21.9 200 32 17 6.9 3.8 28.6 83.4 1.5 M M  
14000 -2.0 28.4 200 25 13 6.9 3.8 26.1 79.0 -0.8 725 3.7  
12000 2.1 35.8 195 15 8 6.9 3.8 24.4 75.9 -2.4 541 2.7  
10000 5.9 42.6 180 7 4 5.8 3.2 22.2 72.0 -4.6 370 1.9  
9000 7.7 45.9 165 4 2 6.9 3.8 21.2 70.1 -5.7 284 1.4  
8000 9.6 49.3 150 2 1 6.5 3.6 20.2 68.3 -6.8 198 1.0  
7000 11.8 53.2 155 2 1 5.2 2.9 18.8 65.8 -8.3 95 0.5  
6000 13.3 55.9 145 3 2 5.1 2.8 17.4 63.4 -9.8 21 0.1  
5000 14.5 58.1 120 3 2 -12.5 -6.8 15.8 60.4 -11.6 M M  
 
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *  
 
09/21/2026 AT 0900 MDT | 09/21/2026 AT 1200 MDT  
|  
CAPE... 0.0 LI... +5.3 | CAPE... 0.0 LI... +4.0  
CINH... 0.0 K INDEX... -1.7 | CINH... -0.1 K INDEX... +1.5  
|  
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 -25.9 -14.6 245 29 15 6.3 3.5 | -25.8 -14.4 235 30 15 7.4 4.0  
24000 -21.9 -7.4 245 26 13 7.7 4.2 | -21.5 -6.7 235 27 14 7.1 3.9  
22000 -17.1 1.2 250 21 11 7.9 4.3 | -17.2 1.0 240 19 10 7.1 3.9  
20000 -11.8 10.8 260 17 9 7.9 4.3 | -12.1 10.2 240 16 8 7.6 4.2  
18000 -7.5 18.5 265 15 8 6.6 3.6 | -7.7 18.1 245 14 7 6.9 3.8  
16000 -3.9 25.0 265 14 7 5.7 3.1 | -4.0 24.8 255 13 7 5.9 3.3  
14000 -0.3 31.5 275 13 7 6.2 3.4 | -0.6 30.9 265 13 7 6.3 3.5  
12000 3.4 38.1 275 11 6 6.3 3.5 | 3.6 38.5 270 11 6 7.8 4.3  
10000 6.9 44.4 245 6 3 6.2 3.4 | 7.8 46.0 250 6 3 6.2 3.4  
9000 8.8 47.8 225 5 2 6.5 3.6 | 9.7 49.5 220 5 2 6.8 3.7  
8000 10.5 50.9 195 4 2 6.4 3.5 | 11.8 53.2 200 4 2 6.7 3.7  
7000 12.3 54.1 170 4 2 6.5 3.6 | 13.8 56.8 200 3 2 9.1 5.0  
6000 14.0 57.2 150 3 1 5.2 2.9 | 16.2 61.2 220 2 1 11.0 6.0  
5000 15.0 59.0 115 3 1 -12.4 -6.8 | 19.1 66.4 245 2 1 12.4 6.8  
 
09/21/2026 AT 1500 MDT | 09/21/2026 AT 1800 MDT  
|  
CAPE... 0.0 LI... +3.2 | CAPE... 0.0 LI... +2.8  
CINH... -0.1 K INDEX... +7.1 | CINH... -0.1 K INDEX... +11.4  
|  
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 -25.5 -13.9 230 29 15 7.1 3.9 | -25.9 -14.6 215 29 15 7.4 4.0  
24000 -21.4 -6.5 225 26 13 7.1 3.9 | -21.6 -6.9 215 27 14 6.9 3.8  
22000 -17.1 1.2 225 19 10 7.1 3.9 | -17.5 0.5 210 22 11 6.9 3.8  
20000 -12.3 9.9 220 14 7 7.1 3.9 | -12.9 8.8 205 17 9 6.8 3.7  
18000 -8.1 17.4 220 12 6 6.6 3.6 | -8.8 16.2 200 15 8 6.7 3.7  
16000 -4.4 24.1 230 12 6 6.3 3.5 | -4.8 23.4 205 13 7 7.2 3.9  
14000 -0.6 30.9 245 10 5 7.1 3.9 | -0.4 31.3 215 11 6 8.0 4.4  
12000 3.9 39.0 255 8 4 8.1 4.5 | 4.4 39.9 215 7 4 8.6 4.7  
10000 8.7 47.7 255 5 3 7.1 3.9 | 9.4 48.9 220 5 2 7.2 3.9  
9000 11.2 52.2 255 4 2 8.0 4.4 | 12.1 53.8 235 3 1 8.5 4.7  
8000 13.7 56.7 255 3 2 8.0 4.4 | 14.6 58.3 280 2 1 8.1 4.4  
7000 16.0 60.8 285 3 1 8.9 4.9 | 17.0 62.6 335 3 2 7.9 4.3  
6000 18.4 65.1 310 4 2 10.9 6.0 | 18.9 66.0 345 4 2 8.9 4.9  
5000 21.2 70.2 315 4 2 12.5 6.9 | 22.3 72.1 330 5 3 26.7 14.6  
________________________________________________________________________________  
 
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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