861  
UXUS97 KSLC 281229  
SRGSLC  
 
SOARING FORECAST  
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH  
629 AM MDT MONDAY, APRIL 28, 2025  
 
THIS FORECAST IS FOR MONDAY, APRIL 28, 2025:  
 
IF THE TRIGGER TEMPERATURE OF 53.6 F/12.0 C IS REACHED...THEN  
THERMAL SOARING INDEX....................... GOOD  
MAXIMUM RATE OF LIFT........................ 587 FT/MIN (3.0 M/S)  
MAXIMUM HEIGHT OF THERMALS.................. 12574 FT MSL (7649 FT AGL)  
 
FORECAST MAXIMUM TEMPERATURE................... 61.0 F/16.6 C  
TIME OF TRIGGER TEMPERATURE.................... 1130 MDT  
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................. 9875 FT MSL (4950 FT AGL)  
THERMAL SOARING OUTLOOK FOR TUESDAY 04/29...... EXCELLENT  
 
WAVE SOARING INDEX............................. NOT AVAILABLE  
 
REMARKS...  
 
SUNRISE/SUNSET.................... 06:29:21 / 20:21:08 MDT  
TOTAL POSSIBLE SUNSHINE........... 13 HR 51 MIN 46 SEC (831 MIN 46 SEC)  
ALTITUDE OF SUN AT 13:25:14 MDT... 63.07 DEGREES  
 
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 04/28/2025 AT 0600 MDT  
 
FREEZING LEVEL.................. 8966 FT MSL (4041 FT AGL)  
CONVECTIVE CONDENSATION LEVEL... 11899 FT MSL (6974 FT AGL)  
LIFTED CONDENSATION LEVEL....... 12287 FT MSL (7362 FT AGL)  
LIFTED INDEX.................... +1.8  
K INDEX......................... +12.6  
 
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 -35.4 -31.7 040 37 19 7.7 4.2 29.6 85.3 10.6 M M  
24000 -30.7 -23.3 045 32 16 7.7 4.2 28.2 82.8 9.7 M M  
22000 -25.6 -14.1 040 24 12 7.6 4.2 26.4 79.5 8.5 M M  
20000 -21.3 -6.3 035 17 9 7.0 3.8 24.6 76.2 7.1 M M  
18000 -17.4 0.7 020 13 7 5.7 3.1 22.4 72.3 5.3 M M  
16000 -13.7 7.3 015 11 6 6.6 3.6 20.0 68.0 3.3 M M  
14000 -9.9 14.2 015 11 6 6.9 3.8 17.9 64.2 1.3 M M  
12000 -5.9 21.4 025 6 3 6.4 3.5 15.9 60.6 -0.5 542 2.8  
10000 -2.2 28.0 030 5 2 6.4 3.5 13.7 56.7 -2.7 373 1.9  
9000 -0.3 31.5 025 5 3 7.5 4.1 12.8 55.0 -3.8 285 1.5  
8000 2.4 36.3 025 3 2 7.1 3.9 11.9 53.3 -4.8 167 0.8  
7000 4.5 40.1 035 3 1 6.7 3.7 11.0 51.9 -5.7 75 0.4  
6000 6.4 43.5 075 2 1 5.4 3.0 10.1 50.1 -6.7 M M  
5000 4.5 40.1 110 4 2 -98.5 -54.0 5.3 41.5 -11.6 15 0.1  
 
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *  
 
04/28/2025 AT 0900 MDT | 04/28/2025 AT 1200 MDT  
|  
CAPE... +36.5 LI... +1.2 | CAPE... +127.5 LI... +0.2  
CINH... -6.4 K INDEX... +18.2 | CINH... -1.1 K INDEX... +13.5  
|  
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 -42.9 -45.2 045 24 12 6.9 3.8 | -40.6 -41.1 060 44 23 6.4 3.5  
24000 -38.8 -37.8 040 13 7 7.0 3.8 | -36.8 -34.2 065 29 15 6.4 3.5  
22000 -33.7 -28.7 040 10 5 9.1 5.0 | -31.5 -24.7 070 18 9 8.2 4.5  
20000 -27.6 -17.7 045 10 5 8.7 4.8 | -26.7 -16.1 065 12 6 7.8 4.3  
18000 -22.4 -8.3 050 9 5 8.6 4.7 | -22.1 -7.8 035 10 5 7.6 4.2  
16000 -17.7 0.1 060 7 4 6.7 3.7 | -17.6 0.3 025 11 6 7.5 4.1  
14000 -14.0 6.8 055 7 4 6.6 3.6 | -13.3 8.1 035 8 4 7.3 4.0  
12000 -10.0 14.0 050 6 3 7.0 3.8 | -9.0 15.8 040 6 3 7.1 3.9  
10000 -5.9 21.4 055 5 2 6.4 3.5 | -5.1 22.8 020 5 2 6.6 3.6  
9000 -4.0 24.8 050 3 2 7.2 4.0 | -3.1 26.4 005 4 2 7.6 4.2  
8000 -2.2 28.0 020 2 1 6.2 3.4 | -1.0 30.2 335 4 2 8.1 4.4  
7000 -0.1 31.8 310 1 1 6.7 3.7 | 1.6 34.9 320 4 2 9.6 5.3  
6000 1.9 35.4 260 2 1 9.0 5.0 | 4.3 39.7 315 5 2 10.5 5.8  
5000 4.9 40.8 260 3 2 19.0 10.4 | 9.9 49.8 310 5 3 79.1 43.4  
 
04/28/2025 AT 1500 MDT | 04/28/2025 AT 1800 MDT  
|  
CAPE... +32.8 LI... +1.0 | CAPE... +6.7 LI... +1.9  
CINH... -8.5 K INDEX... +10.8 | CINH... -9.3 K INDEX... +11.0  
|  
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 -39.6 -39.3 045 35 18 7.9 4.4 | -38.6 -37.5 045 33 17 8.4 4.6  
24000 -34.8 -30.6 045 29 15 8.0 4.4 | -33.6 -28.5 040 30 16 8.5 4.7  
22000 -30.1 -22.2 040 18 9 6.7 3.7 | -28.6 -19.5 040 22 11 7.2 3.9  
20000 -25.7 -14.3 025 12 6 7.9 4.3 | -24.3 -11.7 035 16 8 7.2 3.9  
18000 -21.0 -5.8 015 10 5 7.6 4.2 | -20.1 -4.2 020 12 6 6.8 3.7  
16000 -16.5 2.3 030 9 5 7.9 4.3 | -15.9 3.4 010 9 5 7.4 4.0  
14000 -11.9 10.6 040 8 4 7.3 4.0 | -11.5 11.3 355 7 4 7.8 4.3  
12000 -7.9 17.8 025 5 2 6.9 3.8 | -6.7 19.9 345 8 4 7.7 4.2  
10000 -3.6 25.5 345 5 3 6.7 3.7 | -2.3 27.9 340 9 5 7.0 3.8  
9000 -1.4 29.5 335 7 4 8.7 4.8 | -0.0 32.0 340 9 5 8.3 4.5  
8000 0.9 33.6 325 8 4 8.4 4.6 | 2.3 36.1 335 9 4 8.5 4.7  
7000 3.5 38.3 320 9 4 9.9 5.4 | 4.8 40.6 335 8 4 8.9 4.9  
6000 6.2 43.2 320 9 5 11.1 6.1 | 7.3 45.1 330 7 4 10.7 5.9  
5000 9.1 48.4 320 9 4 14.2 7.8 | 10.2 50.4 325 7 4 10.5 5.8  
________________________________________________________________________________  
 
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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