247
UXUS97 KBOI 121305
SRGBOI
SOARING FORECAST
NATIONAL WEATHER SERVICE BOISE, IDAHO
705 AM MDT WEDNESDAY, AUGUST 12, 2026
THIS FORECAST IS FOR WEDNESDAY, AUGUST 12, 2026:
IF THE TRIGGER TEMPERATURE OF 89.5 F/31.9 C IS REACHED...THEN
THERMAL SOARING INDEX....................... GOOD
MAXIMUM RATE OF LIFT........................ 717 FT/MIN (3.6 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 11841 FT MSL (8874 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 94.0 F/34.9 C
TIME OF TRIGGER TEMPERATURE.................... 1445 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................. 6336 FT MSL (3369 FT AGL)
THERMAL SOARING OUTLOOK FOR THURSDAY 08/13..... GOOD
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 06:46:46 / 20:52:55 MDT
TOTAL POSSIBLE SUNSHINE........... 14 HR 6 MIN 9 SEC (846 MIN 9 SEC)
ALTITUDE OF SUN AT 13:49:51 MDT... 59.32 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 08/12/2026 AT 0600 MDT
FREEZING LEVEL.................. 15011 FT MSL (12044 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 17366 FT MSL (14399 FT AGL)
LIFTED CONDENSATION LEVEL....... 16560 FT MSL (13594 FT AGL)
LIFTED INDEX.................... -0.2
K INDEX......................... +20.0
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
--------------------------------------------------------------------------------
40000 -50.4 -58.7 230 60 31 3.1 1.7 M M M M M
38000 -48.4 -55.1 230 59 30 3.1 1.7 M M M M M
36000 -46.6 -51.9 230 58 30 3.1 1.7 M M M M M
34000 -42.7 -44.9 230 55 28 7.5 4.1 M M M M M
32000 -38.2 -36.8 235 51 26 7.5 4.1 M M M M M
30000 -33.8 -28.8 235 47 24 7.4 4.1 48.7 119.7 10.6 M M
28000 -29.4 -20.9 235 41 21 7.4 4.1 47.0 116.7 9.6 M M
26000 -25.4 -13.7 235 35 18 6.6 3.6 44.5 112.2 7.8 M M
24000 -21.3 -6.3 235 29 15 7.3 4.0 42.4 108.3 6.3 M M
22000 -16.4 2.5 235 26 13 7.3 4.0 40.4 104.7 4.8 M M
20000 -12.2 10.0 240 25 13 7.3 4.0 38.5 101.3 3.1 M M
18000 -7.8 18.0 240 25 13 8.2 4.5 37.1 98.8 1.9 M M
16000 -2.7 27.1 240 23 12 9.0 5.0 36.3 97.4 1.1 M M
14000 2.7 36.9 240 20 10 8.9 4.9 35.9 96.6 0.6 M M
12000 7.9 46.2 240 17 9 8.7 4.8 35.3 95.5 0.1 M M
10000 12.9 55.2 235 10 5 7.9 4.3 34.3 93.8 -0.8 534 2.7
9000 15.3 59.5 230 6 3 8.1 4.4 33.8 92.8 -1.3 433 2.2
8000 18.6 65.5 260 3 2 8.6 4.7 33.5 92.3 -1.6 295 1.5
7500 19.5 67.1 275 3 2 6.8 3.7 32.9 91.3 -2.2 253 1.3
7000 20.7 69.3 295 4 2 7.9 4.3 32.7 90.8 -2.5 202 1.0
6500 21.8 71.2 310 5 2 5.9 3.2 32.2 89.9 -2.9 157 0.8
6000 22.7 72.9 315 6 3 6.3 3.4 31.6 88.9 -3.5 115 0.6
5500 23.2 73.8 320 7 3 1.7 1.0 30.8 87.4 -4.4 84 0.4
5000 23.5 74.3 325 7 4 -0.6 -0.3 29.6 85.3 -5.6 59 0.3
4750 23.2 73.8 320 7 3 -6.9 -3.8 28.5 83.4 -6.7 63 0.3
4500 22.6 72.7 325 6 3 -7.9 -4.3 27.2 81.0 -8.0 74 0.4
4250 22.0 71.6 330 6 3 -7.6 -4.2 25.9 78.6 -9.4 85 0.4
4000 21.2 70.2 325 6 3 -12.4 -6.8 24.5 76.1 -10.9 99 0.5
3750 20.3 68.5 310 5 3 -6.8 -3.7 22.8 73.1 -12.6 120 0.6
3500 20.3 68.5 315 4 2 4.9 2.7 22.1 71.9 -13.3 112 0.6
3400 20.3 68.5 315 4 2 4.9 2.7 22.1 71.9 -13.3 112 0.6
3300 20.3 68.5 330 3 2 -12.6 -6.9 21.4 70.6 -14.0 106 0.5
3200 20.3 68.5 330 3 2 -12.6 -6.9 21.4 70.6 -14.0 106 0.5
3100 20.3 68.5 330 3 2 -12.6 -6.9 21.4 70.6 -14.0 106 0.5
3000 17.6 63.7 080 1 0 -66.7 -36.6 18.5 65.3 -16.9 179 0.9
2900 M M M M M M M M M M M M
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
08/12/2026 AT 0900 MDT | 08/12/2026 AT 1200 MDT
|
CAPE... 0.0 LI... +1.0 | CAPE... 0.0 LI... +1.0
CINH... -0.2 K INDEX... +17.8 | CINH... 0.0 K INDEX... +18.7
|
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
--------------------------------------------------------------------------------
40000 -51.6 -60.9 230 56 29 3.5 1.9 | -53.2 -63.8 230 59 30 4.8 2.6
38000 -49.4 -56.9 230 55 29 3.7 2.0 | -49.9 -57.8 230 60 31 5.5 3.0
36000 -46.9 -52.4 235 54 28 3.8 2.1 | -46.2 -51.2 230 60 31 5.5 3.0
34000 -43.0 -45.4 235 51 26 7.5 4.1 | -42.3 -44.1 235 54 28 6.8 3.8
32000 -38.6 -37.5 240 46 24 7.5 4.1 | -38.2 -36.8 235 47 24 6.9 3.8
30000 -34.1 -29.4 240 41 21 7.4 4.0 | -34.0 -29.2 235 40 21 7.3 4.0
28000 -29.7 -21.5 235 36 18 7.4 4.0 | -29.6 -21.3 235 33 17 7.3 4.0
26000 -25.5 -13.9 235 33 17 7.1 3.9 | -25.3 -13.5 230 31 16 7.2 4.0
24000 -21.2 -6.2 230 31 16 7.1 3.9 | -21.0 -5.8 225 29 15 7.1 3.9
22000 -16.5 2.3 230 29 15 7.2 3.9 | -16.3 2.7 225 28 15 7.0 3.9
20000 -12.3 9.9 230 26 14 7.2 3.9 | -12.3 9.9 225 26 13 6.9 3.8
18000 -8.1 17.4 235 23 12 7.7 4.3 | -8.2 17.2 225 24 12 7.7 4.2
16000 -3.2 26.2 240 22 11 9.0 4.9 | -3.4 25.9 230 22 11 8.7 4.8
14000 2.3 36.1 240 19 10 9.1 5.0 | 1.9 35.4 235 19 10 8.6 4.7
12000 7.5 45.5 245 15 8 8.3 4.5 | 6.9 44.4 245 13 7 8.4 4.6
10000 12.3 54.1 235 8 4 7.7 4.2 | 11.6 52.9 225 7 4 7.5 4.1
9000 14.6 58.3 225 5 3 7.7 4.2 | 13.8 56.8 225 6 3 7.3 4.0
8000 17.8 64.0 270 3 1 8.6 4.7 | 16.6 61.9 295 4 2 6.9 3.8
7500 18.7 65.7 300 3 2 5.5 3.0 | 17.4 63.3 310 6 3 5.7 3.1
7000 19.6 67.3 320 6 3 6.2 3.4 | 18.4 65.1 320 8 4 6.6 3.6
6500 20.5 68.9 325 7 4 5.4 2.9 | 19.3 66.7 320 9 5 5.7 3.1
6000 21.2 70.2 325 8 4 5.3 2.9 | 20.1 68.2 315 10 5 4.8 2.6
5500 21.6 70.9 325 10 5 0.1 0.0 | 20.6 69.1 315 11 6 3.5 1.9
5000 21.6 70.9 325 10 5 -2.9 -1.6 | 21.1 70.0 300 9 5 1.5 0.8
4750 21.1 70.0 320 10 5 -8.6 -4.7 | 21.1 70.0 300 10 5 4.0 2.2
4500 20.5 68.9 320 9 4 -8.2 -4.5 | 21.7 71.1 295 9 5 10.1 5.6
4250 19.8 67.6 315 7 4 -7.3 -4.0 | 22.4 72.3 295 9 5 9.6 5.3
4000 19.2 66.6 310 6 3 -8.2 -4.5 | 23.1 73.6 290 9 4 7.7 4.2
3750 18.7 65.7 300 6 3 -1.0 -0.5 | 23.7 74.7 290 9 5 9.3 5.1
3500 19.1 66.4 300 5 3 8.9 4.9 | 24.5 76.1 290 8 4 13.0 7.1
3400 19.1 66.4 300 5 3 8.9 4.9 | 24.5 76.1 290 8 4 13.0 7.1
3300 19.6 67.3 295 5 3 3.9 2.2 | 25.5 77.9 290 8 4 15.4 8.4
3200 19.6 67.3 295 5 3 3.9 2.2 | 25.5 77.9 290 8 4 15.4 8.4
3100 19.6 67.3 295 5 3 3.9 2.2 | 25.5 77.9 290 8 4 15.4 8.4
3000 19.9 67.8 285 4 2 8.4 4.6 | 27.3 81.1 290 8 4 38.7 21.2
2900 M M M M M M M | M M M M M M M
08/12/2026 AT 1500 MDT | 08/12/2026 AT 1800 MDT
|
CAPE... +0.2 LI... +0.6 | CAPE... +0.4 LI... +0.5
CINH... -7.5 K INDEX... +19.5 | CINH... -0.8 K INDEX... +22.0
|
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
--------------------------------------------------------------------------------
40000 -54.4 -65.9 225 60 31 5.6 3.1 | -54.1 -65.4 225 54 28 5.0 2.7
38000 -50.4 -58.7 230 61 31 6.5 3.6 | -50.5 -58.9 225 53 27 6.0 3.3
36000 -46.0 -50.8 230 61 31 6.5 3.6 | -46.4 -51.5 225 50 26 6.0 3.3
34000 -41.8 -43.2 230 55 28 7.1 3.9 | -42.3 -44.1 225 46 24 7.2 3.9
32000 -37.6 -35.7 235 48 24 7.1 3.9 | -38.0 -36.4 230 41 21 7.2 4.0
30000 -33.3 -27.9 235 40 21 7.1 3.9 | -33.5 -28.3 235 38 19 7.6 4.2
28000 -29.0 -20.2 235 34 17 7.1 3.9 | -29.0 -20.2 235 35 18 7.6 4.2
26000 -24.7 -12.5 230 31 16 7.2 4.0 | -24.6 -12.3 235 33 17 7.3 4.0
24000 -20.4 -4.7 230 29 15 6.9 3.8 | -20.2 -4.4 240 31 16 6.9 3.8
22000 -15.8 3.6 230 30 15 6.9 3.8 | -15.6 3.9 240 32 17 6.9 3.8
20000 -11.7 10.9 235 28 15 7.1 3.9 | -11.5 11.3 245 31 16 7.1 3.9
18000 -7.7 18.1 235 26 13 7.1 3.9 | -7.2 19.0 245 29 15 7.3 4.0
16000 -3.3 26.1 235 22 12 8.2 4.5 | -3.1 26.4 240 24 12 7.2 4.0
14000 1.6 34.9 235 17 9 8.1 4.4 | 1.4 34.5 240 18 9 8.2 4.5
12000 6.4 43.5 230 11 6 8.6 4.7 | 6.3 43.3 245 12 6 8.6 4.7
10000 11.3 52.3 225 7 4 8.0 4.4 | 11.6 52.9 255 7 4 9.1 5.0
9000 13.7 56.7 230 6 3 7.6 4.2 | 14.3 57.7 270 5 3 9.1 5.0
8000 16.7 62.1 270 4 2 7.5 4.1 | 17.5 63.5 300 5 3 8.2 4.5
7500 17.5 63.5 285 5 3 6.6 3.6 | 18.7 65.7 300 6 3 7.9 4.3
7000 18.6 65.5 295 6 3 7.9 4.3 | 19.7 67.5 300 6 3 8.6 4.7
6500 20.0 68.0 295 7 4 9.9 5.4 | 21.3 70.3 300 6 3 10.7 5.9
6000 21.4 70.5 295 7 4 8.8 4.8 | 22.7 72.9 300 7 3 9.6 5.3
5500 22.7 72.9 295 8 4 10.5 5.8 | 24.2 75.6 300 6 3 10.1 5.5
5000 24.3 75.7 290 8 4 10.2 5.6 | 25.7 78.3 300 6 3 10.3 5.7
4750 25.0 77.0 295 8 4 10.3 5.6 | 26.5 79.7 300 7 4 10.2 5.6
4500 25.8 78.4 295 8 4 10.6 5.8 | 27.2 81.0 300 7 3 9.7 5.3
4250 26.6 79.9 290 8 4 10.6 5.8 | 27.9 82.2 295 6 3 10.0 5.5
4000 27.4 81.3 290 7 4 9.8 5.4 | 28.7 83.7 295 6 3 9.3 5.1
3750 28.1 82.6 290 8 4 9.9 5.4 | 29.4 84.9 295 7 3 10.9 6.0
3500 28.8 83.8 290 7 4 8.9 4.9 | 30.3 86.5 295 7 3 13.4 7.3
3400 28.8 83.8 290 7 4 8.9 4.9 | 30.3 86.5 295 7 3 13.4 7.3
3300 29.5 85.1 290 7 4 13.5 7.4 | 31.2 88.2 295 6 3 12.0 6.6
3200 29.5 85.1 290 7 4 13.5 7.4 | 31.2 88.2 295 6 3 12.0 6.6
3100 29.5 85.1 290 7 4 13.5 7.4 | 31.2 88.2 295 6 3 12.0 6.6
3000 31.8 89.2 290 7 4 59.9 32.9 | 32.2 90.0 295 6 3 16.1 8.8
2900 M M M M M M M | M M M M M M M
________________________________________________________________________________
THIS PRODUCT IS ISSUED TWICE PER DAY, ONCE BY APPROXIMATELY 0630 MST/0730 MDT
(1330 UTC) AND AGAIN BY APPROXIMATELY 1830 MST/1930 MDT (0130 UTC). IT IS NOT
CONTINUOUSLY MONITORED NOR UPDATED AFTER ITS INITIAL ISSUANCE.
THE INFORMATION CONTAINED HEREIN IS BASED ON RAWINSONDE OBSERVATION AND/OR
NUMERICAL WEATHER PREDICTION MODEL DATA TAKEN AT THE BOISE AIRPORT SITE IN
BOISE, IDAHO AT
LATITUDE: 43.56774
LONGITUDE: -116.21089
ELEVATION: 2867 FEET (874 METERS)
AND MAY NOT BE REPRESENTATIVE OF OTHER AREAS IN EASTERN OREGON OR SOUTHWEST
IDAHO. NOTE THAT SOME ELEVATIONS IN NUMERICAL WEATHER PREDICTION MODELS DIFFER
FROM ACTUAL STATION ELEVATIONS, WHICH CAN LEAD TO DATA WHICH APPEAR TO BE BELOW
GROUND. 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.
082025
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