222  
UXUS97 KSLC 191246  
SRGSLC  
 
SOARING FORECAST  
NATIONAL WEATHER SERVICE SALT LAKE CITY, UTAH  
0645 MDT WEDNESDAY, SEPTEMBER 19, 2018  
 
THIS FORECAST IS FOR WEDNESDAY, SEPTEMBER 19, 2018:  
 
IF THE TRIGGER TEMPERATURE OF 81.9 F/27.7 C IS REACHED...THEN  
THERMAL SOARING INDEX....................... GOOD  
MAXIMUM RATE OF LIFT........................ 413 FT/MIN (2.1 M/S)  
MAXIMUM HEIGHT OF THERMALS.................. 9894 FT MSL (5668 FT AGL)  
 
FORECAST MAXIMUM TEMPERATURE................... 84.0 F/29.3 C  
TIME OF TRIGGER TEMPERATURE.................... 1430 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................. 6728 FT MSL (2502 FT AGL)  
THERMAL SOARING OUTLOOK FOR THURSDAY 09/20..... GOOD  
 
WAVE SOARING INDEX............................. NOT AVAILABLE  
 
REMARKS...  
 
SUNRISE/SUNSET.................... 07:12:41 / 19:30:25 MDT  
TOTAL POSSIBLE SUNSHINE........... 12 HR 17 MIN 44 SEC (737 MIN 44 SEC)  
ALTITUDE OF SUN AT 13:21:33 MDT... 50.22 DEGREES  
 
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 09/19/2018 AT 0600 MDT  
 
FREEZING LEVEL.................. 14134 FT MSL (9908 FT AGL)  
CONVECTIVE CONDENSATION LEVEL... 19953 FT MSL (15727 FT AGL)  
LIFTED CONDENSATION LEVEL....... 18582 FT MSL (14356 FT AGL)  
LIFTED INDEX.................... +3.3  
K INDEX......................... -4.6  
 
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  
--------------------------------------------------------------------------------  
5000 18.5 65.3 280 3 2 -5.5 -3.0 21.4 70.5 -8.1 65 0.3  
6000 18.4 65.1 185 11 6 0.1 0.0 24.0 75.3 -5.3 99 0.5  
7000 18.1 64.6 190 22 11 7.5 4.1 26.5 79.7 -2.7 138 0.7  
8000 15.9 60.6 210 11 6 0.2 0.1 27.3 81.1 -1.9 232 1.2  
9000 14.4 57.9 215 13 7 8.0 4.4 28.6 83.5 -0.5 309 1.6  
10000 11.3 52.3 245 13 7 8.8 4.8 29.2 84.6 0.1 M M  
12000 5.8 42.4 240 17 9 9.3 5.1 29.7 85.4 0.5 M M  
14000 0.2 32.4 230 21 11 9.3 5.1 30.0 85.9 0.8 M M  
16000 -5.1 22.8 225 26 13 4.2 2.3 30.3 86.6 1.1 M M  
18000 -9.2 15.4 225 32 16 9.1 5.0 32.2 90.0 2.8 M M  
20000 -14.4 6.1 225 37 19 6.9 3.8 33.0 91.3 3.4 M M  
22000 -18.0 -0.4 225 47 24 6.0 3.3 35.7 96.2 5.6 M M  
24000 -22.0 -7.6 225 60 31 5.9 3.2 38.7 101.7 7.9 M M  
26000 -24.8 -12.6 220 74 38 5.5 3.0 42.6 108.6 10.7 M M  
 
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *  
 
09/19/2018 AT 0900 MDT | 09/19/2018 AT 1200 MDT  
|  
CAPE... 0.0 LI... +3.8 | CAPE... 0.0 LI... +3.3  
CINH... -0.0 K INDEX... -2.6 | CINH... -0.0 K INDEX... -1.5  
|  
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 17.6 63.7 165 3 1 9.7 5.3 | 23.2 73.8 225 3 2 26.0 14.2  
6000 17.1 62.8 180 5 3 3.2 1.8 | 19.4 66.9 210 4 2 9.5 5.2  
7000 15.8 60.4 190 5 3 4.4 2.4 | 16.8 62.2 200 6 3 8.6 4.7  
8000 14.3 57.7 200 5 3 4.9 2.7 | 14.5 58.1 195 7 4 7.4 4.1  
9000 12.4 54.3 210 5 3 6.1 3.4 | 12.0 53.6 195 7 4 7.4 4.0  
10000 10.2 50.4 220 6 3 6.5 3.6 | 9.7 49.5 200 8 4 5.5 3.0  
12000 5.6 42.1 220 7 4 8.4 4.6 | 5.1 41.2 205 9 4 8.2 4.5  
14000 0.4 32.7 225 9 5 8.8 4.8 | -0.0 32.0 210 10 5 8.6 4.7  
16000 -4.5 23.9 220 12 6 8.2 4.5 | -5.0 23.0 220 13 7 8.1 4.5  
18000 -9.8 14.4 220 16 8 7.5 4.1 | -10.5 13.1 220 16 8 7.8 4.3  
20000 -14.3 6.3 220 21 11 7.3 4.0 | -15.0 5.0 220 21 11 7.6 4.2  
22000 -18.6 -1.5 220 26 13 6.8 3.7 | -19.4 -2.9 220 25 13 6.3 3.5  
24000 -22.6 -8.7 220 30 16 6.7 3.7 | -23.1 -9.6 215 29 15 6.3 3.4  
26000 -26.4 -15.5 215 34 18 6.3 3.5 | -26.9 -16.4 215 33 17 6.4 3.5  
 
09/19/2018 AT 1500 MDT | 09/19/2018 AT 1800 MDT  
|  
CAPE... +0.1 LI... +2.3 | CAPE... +0.1 LI... +1.5  
CINH... -8.3 K INDEX... +2.3 | CINH... -0.2 K INDEX... +6.8  
|  
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 24.0 75.2 290 4 2 31.2 17.1 | 22.8 73.0 320 3 2 17.8 9.8  
6000 20.1 68.2 270 4 2 11.5 6.3 | 19.9 67.8 305 4 2 8.3 4.6  
7000 18.0 64.4 245 5 2 7.3 4.0 | 17.6 63.7 275 4 2 7.3 4.0  
8000 15.5 59.9 225 6 3 7.1 3.9 | 15.3 59.5 255 5 3 8.0 4.4  
9000 12.9 55.2 215 7 4 8.0 4.4 | 12.8 55.0 240 6 3 8.6 4.7  
10000 10.2 50.4 205 9 4 7.0 3.9 | 10.2 50.4 230 8 4 8.2 4.5  
12000 4.9 40.8 200 11 6 9.2 5.0 | 5.0 41.0 220 11 5 8.8 4.8  
14000 -0.4 31.3 200 12 6 8.7 4.8 | -0.4 31.3 220 13 7 9.2 5.1  
16000 -6.1 21.0 210 15 7 8.5 4.7 | -6.5 20.3 220 16 8 9.3 5.1  
18000 -11.1 12.0 215 17 9 8.0 4.4 | -11.8 10.8 220 18 9 8.7 4.8  
20000 -15.7 3.7 215 21 11 7.4 4.1 | -16.6 2.1 220 20 10 7.6 4.1  
22000 -19.8 -3.6 215 25 13 5.7 3.2 | -20.9 -5.6 220 23 12 6.7 3.7  
24000 -23.2 -9.8 210 30 15 5.6 3.1 | -24.8 -12.6 220 28 15 6.7 3.7  
26000 -27.0 -16.6 215 34 18 6.5 3.6 | -28.3 -18.9 215 33 17 5.5 3.0  
________________________________________________________________________________  
 
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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