105  
UXUS97 KSLC 161239  
SRGSLC  
 
SOARING FORECAST  
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH  
0639 MDT MONDAY, SEPTEMBER 16, 2019  
 
THIS FORECAST IS FOR MONDAY, SEPTEMBER 16, 2019:  
 
IF THE TRIGGER TEMPERATURE OF 83.8 F/28.8 C IS REACHED...THEN  
THERMAL SOARING INDEX....................... FAIR  
MAXIMUM RATE OF LIFT........................ 635 FT/MIN (3.2 M/S)  
MAXIMUM HEIGHT OF THERMALS.................. 15533 FT MSL (11307 FT AGL)  
 
FORECAST MAXIMUM TEMPERATURE................... 89.0 F/32.1 C  
TIME OF TRIGGER TEMPERATURE.................... 1200 MDT  
TIME OF OVERDEVELOPMENT........................ 1800 MDT  
MIDDLE/HIGH CLOUDS DURING SOARING WINDOW....... BROKEN/OVERCAST OPAQUE MIDDLE  
SURFACE WINDS DURING SOARING WINDOW............ BETWEEN 20 MPH AND 30 MPH  
HEIGHT OF THE -3 THERMAL INDEX................. 7210 FT MSL (2984 FT AGL)  
THERMAL SOARING OUTLOOK FOR TUESDAY 09/17...... FAIR  
 
WAVE SOARING INDEX............................. NOT AVAILABLE  
 
REMARKS...  
 
SUNRISE/SUNSET.................... 07:09:30 / 19:35:55 MDT  
TOTAL POSSIBLE SUNSHINE........... 12 HR 26 MIN 25 SEC (746 MIN 25 SEC)  
ALTITUDE OF SUN AT 13:22:42 MDT... 51.43 DEGREES  
 
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 09/16/2019 AT 0600 MDT  
 
FREEZING LEVEL.................. 14389 FT MSL (10163 FT AGL)  
CONVECTIVE CONDENSATION LEVEL... 16496 FT MSL (12270 FT AGL)  
LIFTED CONDENSATION LEVEL....... 16495 FT MSL (12269 FT AGL)  
LIFTED INDEX.................... -0.6  
K INDEX......................... +18.7  
 
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  
--------------------------------------------------------------------------------  
5000 24.1 75.4 165 26 13 6.0 3.3 27.4 81.2 -5.4 M M  
6000 22.2 72.0 185 33 17 6.8 3.7 28.3 82.9 -4.3 20 0.1  
7000 20.3 68.5 195 22 11 6.6 3.6 29.2 84.5 -3.3 106 0.5  
8000 17.7 63.9 205 19 10 9.6 5.3 29.5 85.2 -2.8 212 1.1  
9000 14.9 58.8 210 20 10 9.6 5.3 29.6 85.3 -2.7 327 1.7  
10000 12.0 53.6 210 21 11 9.6 5.3 29.6 85.3 -2.7 442 2.2  
12000 5.6 42.1 225 26 13 9.2 5.1 29.8 85.6 -2.4 701 3.6  
14000 0.8 33.4 210 30 15 8.8 4.8 30.7 87.2 -1.4 906 4.6  
16000 -3.5 25.7 195 33 17 9.4 5.2 32.3 90.2 0.1 M M  
18000 -8.8 16.2 205 33 17 7.2 4.0 33.1 91.5 0.7 M M  
20000 -11.1 12.0 210 28 14 5.6 3.1 36.7 98.1 4.3 M M  
22000 -16.0 3.2 210 29 15 8.1 4.4 37.8 100.0 5.1 M M  
24000 -20.6 -5.1 210 31 16 9.4 5.2 39.4 103.0 6.2 M M  
26000 -25.3 -13.5 215 31 16 -0.7 -0.4 41.0 105.8 7.2 M M  
 
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *  
 
09/16/2019 AT 0900 MDT | 09/16/2019 AT 1200 MDT  
|  
CAPE... +73.2 LI... -0.6 | CAPE... +83.2 LI... +0.4  
CINH... -144.9 K INDEX... +26.8 | CINH... -89.3 K INDEX... +17.5  
|  
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  
--------------------------------------------------------------------------------  
5000 20.8 69.4 165 7 4 -4.6 -2.5 | 25.1 77.2 180 11 6 16.4 9.0  
6000 19.3 66.7 170 11 6 6.2 3.4 | 21.5 70.7 180 15 8 9.6 5.3  
7000 17.4 63.3 190 13 7 6.4 3.5 | 18.6 65.5 185 16 8 9.0 5.0  
8000 15.0 59.0 200 16 8 6.5 3.6 | 15.6 60.1 185 17 9 7.8 4.3  
9000 12.3 54.1 205 17 9 7.0 3.8 | 12.6 54.7 190 18 9 6.3 3.5  
10000 9.8 49.6 205 18 9 9.0 4.9 | 9.9 49.8 190 19 10 8.6 4.7  
12000 4.8 40.6 200 18 9 8.5 4.7 | 4.4 39.9 195 20 10 9.1 5.0  
14000 0.0 32.0 205 17 9 8.4 4.6 | 0.5 32.9 210 20 10 5.4 3.0  
16000 -4.5 23.9 210 16 8 7.3 4.0 | -3.1 26.4 220 20 10 7.0 3.8  
18000 -8.4 16.9 215 16 8 5.9 3.2 | -7.5 18.5 220 20 10 8.4 4.6  
20000 -12.3 9.9 220 18 9 7.4 4.1 | -13.4 7.9 215 21 11 8.8 4.8  
22000 -16.8 1.8 225 18 9 7.8 4.3 | -18.4 -1.1 215 21 11 7.2 3.9  
24000 -22.1 -7.8 210 17 9 7.8 4.3 | -22.7 -8.9 215 22 11 7.2 3.9  
26000 -26.4 -15.5 210 19 10 7.0 3.9 | -26.9 -16.4 215 22 11 7.2 4.0  
 
09/16/2019 AT 1500 MDT | 09/16/2019 AT 1800 MDT  
|  
CAPE... +6.1 LI... +1.2 | CAPE... +48.1 LI... -0.2  
CINH... -8.6 K INDEX... +19.7 | CINH... -9.4 K INDEX... +21.6  
|  
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 28.1 82.6 190 10 5 8.1 4.5 | 26.7 80.1 195 9 4 -17.5 -9.6  
6000 23.3 73.9 190 16 8 9.2 5.1 | 23.7 74.7 200 17 9 8.7 4.8  
7000 20.3 68.5 190 18 9 9.2 5.1 | 20.8 69.4 200 19 10 10.1 5.5  
8000 17.2 63.0 195 19 10 9.2 5.1 | 17.8 64.0 205 20 10 9.7 5.3  
9000 14.3 57.7 195 19 10 6.9 3.8 | 14.8 58.6 205 20 10 7.2 4.0  
10000 11.4 52.5 195 20 10 8.7 4.8 | 11.9 53.4 205 20 10 10.0 5.5  
12000 5.7 42.3 195 21 11 10.0 5.5 | 6.2 43.2 205 21 11 9.4 5.2  
14000 0.0 32.0 200 23 12 9.2 5.1 | 0.3 32.5 210 21 11 9.8 5.4  
16000 -5.0 23.0 205 24 12 7.3 4.0 | -5.4 22.3 205 21 11 9.2 5.1  
18000 -8.6 16.5 210 26 13 6.9 3.8 | -10.4 13.3 205 22 11 6.3 3.5  
20000 -13.0 8.6 210 27 14 8.0 4.4 | -14.0 6.8 210 23 12 6.3 3.5  
22000 -17.7 0.1 215 27 14 7.6 4.1 | -17.8 -0.0 210 24 12 7.9 4.4  
24000 -22.8 -9.0 215 25 13 7.6 4.2 | -23.1 -9.6 210 25 13 7.8 4.3  
26000 -27.4 -17.3 215 25 13 7.7 4.2 | -27.9 -18.2 210 26 13 7.9 4.4  
 
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