936  
UXUS97 KSLC 171223  
SRGSLC  
 
SOARING FORECAST  
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH  
0623 MDT SATURDAY, AUGUST 17, 2019  
 
THIS FORECAST IS FOR SATURDAY, AUGUST 17, 2019:  
 
IF THE TRIGGER TEMPERATURE OF 84.2 F/29.0 C IS REACHED...THEN  
THERMAL SOARING INDEX....................... EXCELLENT  
MAXIMUM RATE OF LIFT........................ 1097 FT/MIN (5.6 M/S)  
MAXIMUM HEIGHT OF THERMALS.................. 16260 FT MSL (12034 FT AGL)  
 
FORECAST MAXIMUM TEMPERATURE................... 91.0 F/33.2 C  
TIME OF TRIGGER TEMPERATURE.................... 1200 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................. 8681 FT MSL (4455 FT AGL)  
THERMAL SOARING OUTLOOK FOR SUNDAY 08/18....... EXCELLENT  
 
WAVE SOARING INDEX............................. NOT AVAILABLE  
 
REMARKS...  
 
SUNRISE/SUNSET.................... 06:40:05 / 20:23:43 MDT  
TOTAL POSSIBLE SUNSHINE........... 13 HR 43 MIN 38 SEC (823 MIN 38 SEC)  
ALTITUDE OF SUN AT 13:31:54 MDT... 61.69 DEGREES  
 
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 08/17/2019 AT 0600 MDT  
 
FREEZING LEVEL.................. 15040 FT MSL (10814 FT AGL)  
CONVECTIVE CONDENSATION LEVEL... 16586 FT MSL (12360 FT AGL)  
LIFTED CONDENSATION LEVEL....... 16601 FT MSL (12376 FT AGL)  
LIFTED INDEX.................... -3.0  
K INDEX......................... +22.9  
 
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  
--------------------------------------------------------------------------------  
5000 20.7 69.3 115 3 2 -5.6 -3.0 24.0 75.3 -9.9 41 0.2  
6000 21.1 70.0 315 8 4 3.4 1.8 27.2 81.0 -6.4 58 0.3  
7000 20.0 68.0 305 6 3 7.4 4.0 29.0 84.2 -4.6 120 0.6  
8000 17.6 63.7 275 9 4 4.9 2.7 29.4 85.0 -4.0 223 1.1  
9000 16.0 60.8 250 12 6 5.6 3.0 30.8 87.4 -2.7 300 1.5  
10000 13.9 57.0 275 15 8 8.5 4.7 31.6 88.9 -1.8 392 2.0  
12000 8.0 46.4 285 27 14 8.9 4.9 32.3 90.1 -1.1 636 3.2  
14000 2.6 36.7 265 24 12 9.0 4.9 32.8 91.0 -0.6 856 4.3  
16000 -2.6 27.3 250 28 15 8.9 4.9 33.3 92.0 -0.1 1073 5.5  
18000 -7.4 18.7 260 45 23 7.5 4.1 34.5 94.1 1.0 M M  
20000 -11.9 10.6 260 40 21 8.2 4.5 35.7 96.2 2.3 M M  
22000 -16.9 1.6 260 40 21 9.9 5.4 36.7 98.0 3.1 M M  
24000 -20.5 -4.9 265 41 21 -0.1 -0.0 39.4 102.9 5.3 M M  
26000 -24.2 -11.6 270 41 21 8.8 4.8 42.0 107.6 7.3 M M  
 
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *  
 
08/17/2019 AT 0900 MDT | 08/17/2019 AT 1200 MDT  
|  
CAPE... 0.0 LI... +0.2 | CAPE... 0.0 LI... +0.6  
CINH... 0.0 K INDEX... +23.9 | CINH... 0.0 K INDEX... +20.3  
|  
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  
--------------------------------------------------------------------------------  
5000 21.7 71.1 275 2 1 19.2 10.5 | 25.5 77.9 295 3 1 28.8 15.8  
6000 19.6 67.3 270 2 1 7.4 4.1 | 21.5 70.7 290 3 2 9.3 5.1  
7000 17.8 64.0 280 3 2 6.8 3.7 | 18.6 65.5 280 3 2 9.3 5.1  
8000 15.5 59.9 290 5 2 6.2 3.4 | 15.7 60.3 265 4 2 8.4 4.6  
9000 13.3 55.9 280 6 3 6.3 3.4 | 13.2 55.8 255 6 3 4.7 2.6  
10000 11.2 52.2 265 9 4 6.2 3.4 | 11.3 52.3 255 10 5 3.7 2.0  
12000 6.5 43.7 270 11 5 8.6 4.7 | 6.5 43.7 260 14 7 9.4 5.1  
14000 1.5 34.7 275 13 7 8.6 4.7 | 1.5 34.7 275 17 9 8.3 4.5  
16000 -3.5 25.7 275 15 8 8.3 4.6 | -3.2 26.2 270 19 10 7.8 4.3  
18000 -8.3 17.1 265 16 8 8.1 4.4 | -7.8 18.0 265 21 11 7.7 4.2  
20000 -12.7 9.1 265 19 10 6.9 3.8 | -11.8 10.8 265 20 10 6.0 3.3  
22000 -16.8 1.8 265 22 11 6.9 3.8 | -15.3 4.5 275 18 9 6.8 3.7  
24000 -21.3 -6.3 275 20 10 6.9 3.8 | -20.0 -4.0 290 17 9 7.0 3.8  
26000 -26.1 -15.0 275 18 9 8.5 4.7 | -24.6 -12.3 295 17 9 7.8 4.3  
 
08/17/2019 AT 1500 MDT | 08/17/2019 AT 1800 MDT  
|  
CAPE... 0.0 LI... +2.0 | CAPE... 0.0 LI... +4.1  
CINH... 0.0 K INDEX... +18.9 | CINH... -0.3 K INDEX... +18.9  
|  
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  
--------------------------------------------------------------------------------  
5000 27.2 81.0 320 4 2 26.2 14.4 | 28.5 83.3 355 2 1 17.1 9.4  
6000 23.2 73.8 310 5 2 9.3 5.1 | 24.0 75.2 340 3 1 8.8 4.8  
7000 20.4 68.7 290 5 3 8.4 4.6 | 21.2 70.2 315 4 2 8.6 4.7  
8000 17.5 63.5 275 6 3 7.3 4.0 | 18.6 65.5 295 5 3 7.1 3.9  
9000 14.9 58.8 260 8 4 6.3 3.4 | 15.8 60.4 285 7 4 5.9 3.2  
10000 12.3 54.1 255 10 5 8.3 4.6 | 13.2 55.8 275 9 5 8.7 4.8  
12000 6.9 44.4 250 13 6 9.4 5.2 | 7.7 45.9 270 12 6 9.5 5.2  
14000 1.6 34.9 255 15 8 8.4 4.6 | 2.1 35.8 270 15 8 9.1 5.0  
16000 -2.7 27.1 265 18 9 7.2 3.9 | -2.3 27.9 265 20 10 6.1 3.4  
18000 -6.8 19.8 265 19 10 6.3 3.5 | -5.1 22.8 265 20 10 4.5 2.5  
20000 -10.3 13.5 275 16 8 6.1 3.4 | -8.7 16.3 280 16 8 8.4 4.6  
22000 -14.0 6.8 285 14 7 7.5 4.1 | -13.7 7.3 285 15 8 7.7 4.2  
24000 -19.4 -2.9 290 14 7 7.9 4.3 | -18.7 -1.7 285 17 9 7.5 4.1  
26000 -23.9 -11.0 290 14 7 7.5 4.1 | -23.5 -10.3 290 17 9 8.1 4.5  
 
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