302  
UXUS97 KSLC 311245  
SRGSLC  
 
SOARING FORECAST  
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH  
0645 MDT THURSDAY, OCTOBER 31, 2019  
 
THIS FORECAST IS FOR THURSDAY, OCTOBER 31, 2019:  
 
IF THE TRIGGER TEMPERATURE OF 43.1 F/6.2 C IS REACHED...THEN  
THERMAL SOARING INDEX....................... FAIR  
MAXIMUM RATE OF LIFT........................ 244 FT/MIN (1.2 M/S)  
MAXIMUM HEIGHT OF THERMALS.................. 8053 FT MSL (3827 FT AGL)  
 
FORECAST MAXIMUM TEMPERATURE................... 42.0 F/6.0 C  
TIME OF TRIGGER TEMPERATURE.................... 1415 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................. 6899 FT MSL (2673 FT AGL)  
THERMAL SOARING OUTLOOK FOR FRIDAY 11/01....... FAIR  
 
WAVE SOARING INDEX............................. NOT AVAILABLE  
 
REMARKS...  
 
SUNRISE/SUNSET.................... 07:57:05 / 18:25:41 MDT  
TOTAL POSSIBLE SUNSHINE........... 10 HR 28 MIN 36 SEC (628 MIN 36 SEC)  
ALTITUDE OF SUN AT 13:11:23 MDT... 34.98 DEGREES  
 
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 10/31/2019 AT 0600 MDT  
 
FREEZING LEVEL.................. ENTIRE AIRMASS BELOW 32 F / 0 C  
CONVECTIVE CONDENSATION LEVEL... 26398 FT MSL (22172 FT AGL)  
LIFTED CONDENSATION LEVEL....... 15150 FT MSL (10924 FT AGL)  
LIFTED INDEX.................... +21.5  
K INDEX......................... -40.9  
 
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 -4.1 24.6 165 4 2 3.1 1.7 -1.7 29.0 -7.4 93 0.5  
6000 -5.0 23.0 175 10 5 2.4 1.3 0.4 32.7 -5.3 150 0.8  
7000 -5.6 21.9 155 3 2 1.5 0.8 2.7 36.8 -2.9 198 1.0  
8000 -6.1 21.0 240 3 1 -2.0 -1.1 5.1 41.2 -0.5 243 1.2  
9000 -4.6 23.7 295 8 4 -17.8 -9.7 9.7 49.5 3.9 M M  
10000 -1.5 29.3 305 15 7 -12.8 -7.0 16.1 61.1 9.9 M M  
12000 -2.0 28.4 310 17 9 3.1 1.7 22.7 72.9 15.7 M M  
14000 -5.1 22.8 310 18 9 7.7 4.2 25.9 78.6 18.0 M M  
16000 -9.8 14.4 320 20 10 8.4 4.6 27.2 81.0 18.8 M M  
18000 -14.7 5.5 325 22 11 8.4 4.6 28.1 82.6 19.2 M M  
20000 -18.8 -1.8 325 28 14 6.5 3.6 30.2 86.3 20.6 M M  
22000 -22.1 -7.8 310 32 17 6.4 3.5 33.3 91.9 22.7 M M  
24000 -26.6 -15.9 295 39 20 7.0 3.8 34.9 94.8 23.5 M M  
26000 -30.5 -22.9 280 42 22 7.6 4.2 37.3 99.1 24.8 M M  
 
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *  
 
10/31/2019 AT 0900 MDT | 10/31/2019 AT 1200 MDT  
|  
CAPE... 0.0 LI... +9.3 | CAPE... 0.0 LI... +8.6  
CINH... 0.0 K INDEX... -20.3 | CINH... 0.0 K INDEX... -16.0  
|  
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  
--------------------------------------------------------------------------------  
5000 -3.6 25.5 160 3 1 -0.4 -0.2 | 1.1 34.0 160 2 1 33.0 18.1  
6000 -5.0 23.0 170 3 2 2.0 1.1 | -3.4 25.9 175 2 1 4.9 2.7  
7000 -5.1 22.8 200 2 1 -5.4 -3.0 | -3.9 25.0 195 2 1 -4.7 -2.6  
8000 -4.5 23.9 235 2 1 -4.7 -2.6 | -2.9 26.8 225 2 1 -4.8 -2.6  
9000 -2.9 26.8 270 4 2 -8.3 -4.5 | -1.8 28.8 250 3 2 -0.9 -0.5  
10000 -1.3 29.7 290 6 3 -3.2 -1.7 | -0.7 30.7 275 6 3 -3.3 -1.8  
12000 -1.6 29.1 310 8 4 2.6 1.4 | -2.2 28.0 280 9 4 4.4 2.4  
14000 -5.2 22.6 310 8 4 7.3 4.0 | -5.3 22.5 275 10 5 6.0 3.3  
16000 -9.6 14.7 310 9 5 7.3 4.0 | -9.5 14.9 280 12 6 7.7 4.2  
18000 -14.2 6.4 310 12 6 8.1 4.4 | -14.0 6.8 295 14 7 8.1 4.5  
20000 -18.9 -2.0 305 15 8 8.0 4.4 | -18.9 -2.0 300 16 8 8.3 4.6  
22000 -24.0 -11.2 305 17 9 6.8 3.7 | -24.0 -11.2 300 16 8 6.3 3.4  
24000 -28.0 -18.4 305 17 9 6.7 3.7 | -27.7 -17.9 305 14 7 6.4 3.5  
26000 -31.9 -25.4 300 17 9 6.5 3.5 | -32.1 -25.8 305 14 7 7.4 4.1  
 
10/31/2019 AT 1500 MDT | 10/31/2019 AT 1800 MDT  
|  
CAPE... 0.0 LI... +7.9 | CAPE... 0.0 LI... +9.4  
CINH... -0.1 K INDEX... -12.4 | CINH... -0.3 K INDEX... -13.6  
|  
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 3.3 37.9 140 1 0 53.0 29.1 | 1.2 34.2 065 1 0 -17.9 -9.8  
6000 -1.0 30.2 180 1 1 3.5 1.9 | -0.1 31.8 000 0 0 0.2 0.1  
7000 -2.2 28.0 200 2 1 -4.0 -2.2 | -0.8 30.6 230 2 1 -2.8 -1.5  
8000 -1.0 30.2 220 3 2 -4.6 -2.5 | -0.2 31.6 240 3 2 -1.4 -0.8  
9000 0.4 32.7 260 5 2 -2.4 -1.3 | 0.5 32.9 270 6 3 -0.1 -0.1  
10000 0.1 32.2 275 8 4 -0.1 -0.0 | -0.2 31.6 285 10 5 1.9 1.0  
12000 -2.2 28.0 280 12 6 5.1 2.8 | -3.1 26.4 290 14 7 5.2 2.9  
14000 -5.7 21.7 280 14 7 6.0 3.3 | -6.5 20.3 290 17 9 6.1 3.4  
16000 -9.5 14.9 280 16 8 6.5 3.6 | -10.0 14.0 290 19 10 6.1 3.4  
18000 -13.8 7.2 285 17 9 8.3 4.5 | -13.8 7.2 285 21 11 6.3 3.4  
20000 -18.8 -1.8 290 18 9 7.0 3.9 | -17.8 -0.0 295 22 11 5.7 3.1  
22000 -22.8 -9.0 295 17 9 6.1 3.4 | -21.5 -6.7 300 23 12 7.1 3.9  
24000 -26.4 -15.5 300 17 9 6.4 3.5 | -25.7 -14.3 310 25 13 7.3 4.0  
26000 -31.2 -24.2 300 18 9 8.2 4.5 | -30.8 -23.4 310 25 13 8.7 4.8  
 
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