164  
UXUS97 KSLC 221228  
SRGSLC  
 
SOARING FORECAST  
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH  
0628 MDT SATURDAY, SEPTEMBER 22, 2018  
 
THIS FORECAST IS FOR SATURDAY, SEPTEMBER 22, 2018:  
 
IF THE TRIGGER TEMPERATURE OF 83.5 F/28.6 C IS REACHED...THEN  
THERMAL SOARING INDEX....................... EXCELLENT  
MAXIMUM RATE OF LIFT........................ 1205 FT/MIN (6.1 M/S)  
MAXIMUM HEIGHT OF THERMALS.................. 16691 FT MSL (12465 FT AGL)  
 
FORECAST MAXIMUM TEMPERATURE................... 87.0 F/31.0 C  
TIME OF TRIGGER TEMPERATURE.................... 1500 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................. 7008 FT MSL (2782 FT AGL)  
THERMAL SOARING OUTLOOK FOR SUNDAY 09/23....... EXCELLENT  
 
WAVE SOARING INDEX............................. NOT AVAILABLE  
 
REMARKS... BEST LIFT SOUTH OF NEPHI, AVOID TFRS  
 
SUNRISE/SUNSET.................... 07:15:41 / 19:25:15 MDT  
TOTAL POSSIBLE SUNSHINE........... 12 HR 9 MIN 34 SEC (729 MIN 34 SEC)  
ALTITUDE OF SUN AT 13:20:28 MDT... 49.07 DEGREES  
 
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 09/22/2018 AT 0600 MDT  
 
FREEZING LEVEL.................. 14262 FT MSL (10036 FT AGL)  
CONVECTIVE CONDENSATION LEVEL... 22924 FT MSL (18698 FT AGL)  
LIFTED CONDENSATION LEVEL....... 20346 FT MSL (16120 FT AGL)  
LIFTED INDEX.................... +4.8  
K INDEX......................... -1.1  
 
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 21.8 71.2 160 21 11 -8.8 -4.8 24.4 75.9 -6.5 M M  
6000 20.1 68.2 170 25 13 3.3 1.8 25.6 78.1 -5.2 75 0.4  
7000 19.3 66.7 190 23 12 5.8 3.2 27.7 81.9 -3.1 129 0.7  
8000 17.5 63.5 215 14 7 7.3 4.0 28.9 83.9 -2.0 213 1.1  
9000 14.8 58.6 235 19 10 8.9 4.9 29.2 84.5 -1.6 321 1.6  
10000 12.2 54.0 240 19 10 8.9 4.9 29.4 85.0 -1.4 430 2.2  
12000 6.1 43.0 255 15 8 9.2 5.1 30.0 86.0 -0.8 681 3.5  
14000 0.5 32.9 230 16 8 9.2 5.1 30.4 86.8 -0.4 906 4.6  
16000 -5.0 23.0 235 15 8 9.2 5.1 30.7 87.3 -0.1 1130 5.7  
18000 -10.5 13.1 250 12 6 7.0 3.8 30.9 87.6 0.1 M M  
20000 -12.5 9.5 250 19 10 5.0 2.7 35.2 95.3 3.9 M M  
22000 -16.2 2.8 270 21 11 6.4 3.5 37.7 99.9 5.9 M M  
24000 -20.9 -5.6 265 28 14 7.7 4.2 39.2 102.6 7.0 M M  
26000 -25.1 -13.2 240 22 11 5.0 2.7 42.2 107.9 9.1 M M  
 
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *  
 
09/22/2018 AT 0900 MDT | 09/22/2018 AT 1200 MDT  
|  
CAPE... 0.0 LI... +4.7 | CAPE... 0.0 LI... +4.1  
CINH... -0.1 K INDEX... +5.1 | CINH... -0.1 K INDEX... +9.4  
|  
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  
--------------------------------------------------------------------------------  
5000 19.3 66.7 160 7 3 9.3 5.1 | 23.6 74.5 195 5 3 14.8 8.1  
6000 19.0 66.2 185 9 4 0.0 0.0 | 20.8 69.4 195 7 3 9.8 5.4  
7000 17.7 63.9 205 8 4 5.3 2.9 | 18.1 64.6 200 7 4 8.6 4.7  
8000 15.5 59.9 225 7 4 6.8 3.7 | 15.5 59.9 205 7 4 8.0 4.4  
9000 13.1 55.6 230 7 4 8.1 4.5 | 12.9 55.2 215 8 4 8.8 4.8  
10000 10.6 51.1 235 8 4 8.6 4.7 | 10.2 50.4 220 8 4 9.0 4.9  
12000 5.4 41.7 230 9 5 9.0 5.0 | 4.8 40.6 220 9 5 8.9 4.9  
14000 -0.1 31.8 225 9 5 9.3 5.1 | -0.5 31.1 220 10 5 9.0 5.0  
16000 -5.2 22.6 220 10 5 6.8 3.7 | -5.4 22.3 215 11 6 6.0 3.3  
18000 -8.8 16.2 230 10 5 5.7 3.1 | -9.1 15.6 225 12 6 5.8 3.2  
20000 -12.7 9.1 240 10 5 6.2 3.4 | -12.7 9.1 235 12 6 6.2 3.4  
22000 -16.5 2.3 245 11 5 8.0 4.4 | -16.5 2.3 240 12 6 7.8 4.3  
24000 -21.2 -6.2 250 12 6 7.8 4.3 | -21.1 -6.0 245 13 7 7.6 4.2  
26000 -25.9 -14.6 255 12 6 7.7 4.2 | -25.7 -14.3 250 13 7 7.8 4.3  
 
09/22/2018 AT 1500 MDT | 09/22/2018 AT 1800 MDT  
|  
CAPE... +2.0 LI... +2.6 | CAPE... +8.8 LI... +1.2  
CINH... -0.5 K INDEX... +18.3 | CINH... -2.5 K INDEX... +21.5  
|  
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 25.7 78.3 225 6 3 9.5 5.2 | 26.2 79.2 215 4 2 6.1 3.4  
6000 22.9 73.2 225 6 3 9.4 5.2 | 23.5 74.3 215 5 3 8.6 4.7  
7000 20.0 68.0 220 7 4 9.8 5.4 | 20.6 69.1 210 7 3 9.2 5.1  
8000 16.9 62.4 220 8 4 10.1 5.5 | 17.8 64.0 210 8 4 9.5 5.2  
9000 14.1 57.4 215 8 4 10.6 5.8 | 14.9 58.8 210 9 4 9.3 5.1  
10000 11.1 52.0 215 9 5 10.1 5.5 | 12.0 53.6 210 9 5 8.0 4.4  
12000 5.3 41.5 215 10 5 9.5 5.2 | 6.4 43.5 215 11 6 9.6 5.3  
14000 -0.3 31.5 215 11 6 9.3 5.1 | 0.6 33.1 220 13 6 9.6 5.3  
16000 -5.2 22.6 220 12 6 6.6 3.6 | -4.9 23.2 225 14 7 8.5 4.7  
18000 -8.4 16.9 230 13 7 5.1 2.8 | -9.1 15.6 235 15 8 5.8 3.2  
20000 -12.2 10.0 240 13 7 6.3 3.5 | -12.4 9.7 245 15 8 6.1 3.3  
22000 -16.1 3.0 245 14 7 7.5 4.1 | -16.2 2.8 250 15 8 8.2 4.5  
24000 -20.6 -5.1 250 14 7 7.4 4.1 | -21.0 -5.8 250 17 9 8.0 4.4  
26000 -25.3 -13.5 250 15 8 8.1 4.5 | -25.7 -14.3 250 17 9 7.9 4.3  
________________________________________________________________________________  
 
CLICK HERE FOR SOARING DEFINITIONS  
 
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. COMMENTS AND SUGGESTIONS ARE WELCOME AND SHOULD  
BE DIRECTED TO THE FOLLOWING ADDRESS:  
 
LISA.VERZELLA@NOAA.GOV  
 
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