443
UXUS97 KBOI 201305
SRGBOI
SOARING FORECAST
NATIONAL WEATHER SERVICE BOISE, IDAHO
705 AM MDT TUESDAY, OCTOBER 20, 2026
THIS FORECAST IS FOR TUESDAY, OCTOBER 20, 2026:
IF THE TRIGGER TEMPERATURE OF 73.2 F/22.9 C IS REACHED...THEN
THERMAL SOARING INDEX....................... FAIR
MAXIMUM RATE OF LIFT........................ 241 FT/MIN (1.2 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 7472 FT MSL (4505 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 75.0 F/24.3 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................. 5669 FT MSL (2702 FT AGL)
THERMAL SOARING OUTLOOK FOR WEDNESDAY 10/21.... FAIR
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 08:05:36 / 18:53:30 MDT
TOTAL POSSIBLE SUNSHINE........... 10 HR 47 MIN 54 SEC (647 MIN 54 SEC)
ALTITUDE OF SUN AT 13:29:33 MDT... 35.47 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 10/20/2026 AT 0600 MDT
FREEZING LEVEL.................. 11655 FT MSL (8688 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 13481 FT MSL (10514 FT AGL)
LIFTED CONDENSATION LEVEL....... 12714 FT MSL (9747 FT AGL)
LIFTED INDEX.................... +3.0
K INDEX......................... +13.3
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 -52.9 -63.2 215 72 37 1.4 0.7 M M M M M
38000 -52.3 -62.1 215 67 34 0.7 0.4 M M M M M
36000 -51.9 -61.4 215 61 31 0.7 0.4 M M M M M
34000 -49.9 -57.8 215 56 29 7.6 4.2 M M M M M
32000 -45.3 -49.5 215 53 27 7.6 4.2 M M M M M
30000 -40.8 -41.4 215 48 25 7.4 4.1 42.0 107.6 13.3 M M
28000 -36.4 -33.5 220 41 21 7.4 4.1 40.1 104.2 12.2 M M
26000 -31.7 -25.1 225 36 19 8.0 4.4 38.5 101.4 11.3 M M
24000 -26.3 -15.3 225 33 17 8.4 4.6 37.2 98.9 10.5 M M
22000 -21.3 -6.3 220 29 15 8.4 4.6 36.1 97.0 9.9 M M
20000 -16.7 1.9 220 25 13 7.4 4.1 34.6 94.2 8.8 M M
18000 -12.9 8.8 215 20 11 5.0 2.7 32.2 90.0 7.0 M M
16000 -10.5 13.1 215 15 8 4.1 2.2 28.4 83.0 3.7 M M
14000 -6.9 19.6 210 11 6 9.2 5.1 26.0 78.7 1.5 M M
12000 -1.2 29.8 195 10 5 9.6 5.2 25.9 78.5 1.4 M M
10000 4.4 39.9 190 10 5 9.1 5.0 25.6 78.1 1.2 M M
9000 7.1 44.8 190 9 5 8.6 4.7 25.4 77.6 1.0 M M
8000 10.2 50.4 180 9 5 9.0 5.0 24.8 76.7 0.5 M M
7500 11.1 52.0 165 11 6 2.8 1.5 24.2 75.6 -0.2 237 1.2
7000 11.6 52.9 160 12 6 3.8 2.1 23.3 74.0 -1.1 205 1.0
6500 12.3 54.1 155 14 7 6.1 3.4 22.6 72.7 -1.9 170 0.9
6000 13.0 55.4 150 14 7 5.8 3.2 22.0 71.6 -2.6 133 0.7
5500 13.6 56.5 150 14 7 4.5 2.5 21.2 70.2 -3.5 100 0.5
5000 14.4 57.9 150 13 7 3.8 2.1 20.5 69.0 -4.2 63 0.3
4750 14.5 58.1 155 13 7 0.0 0.0 19.9 67.9 -4.8 52 0.3
4500 14.4 57.9 150 12 6 -2.0 -1.1 19.1 66.4 -5.6 47 0.2
4250 14.3 57.7 150 9 5 -2.5 -1.4 18.2 64.7 -6.5 44 0.2
4000 14.0 57.2 140 7 4 -5.7 -3.1 17.2 62.9 -7.5 44 0.2
3750 13.8 56.8 130 6 3 1.7 0.9 16.1 61.0 -8.5 45 0.2
3500 14.1 57.4 095 4 2 -0.2 -0.1 15.8 60.4 -8.9 27 0.1
3400 14.1 57.4 095 4 2 -0.2 -0.1 15.8 60.4 -8.9 27 0.1
3300 12.8 55.0 060 4 2 -41.9 -23.0 13.8 56.9 -10.8 59 0.3
3200 12.8 55.0 060 4 2 -41.9 -23.0 13.8 56.9 -10.8 59 0.3
3100 12.8 55.0 060 4 2 -41.9 -23.0 13.8 56.9 -10.8 59 0.3
3000 8.4 47.1 065 4 2 -65.8 -36.1 9.1 48.3 -15.5 183 0.9
2900 M M M M M M M M M M M M
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
10/20/2026 AT 0900 MDT | 10/20/2026 AT 1200 MDT
|
CAPE... 0.0 LI... +3.0 | CAPE... 0.0 LI... +2.1
CINH... 0.0 K INDEX... +15.3 | CINH... 0.0 K INDEX... +17.7
|
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 -53.1 -63.6 215 68 35 1.1 0.6 | -52.5 -62.5 220 66 34 1.9 1.0
38000 -52.6 -62.7 215 65 33 0.8 0.4 | -52.1 -61.8 220 64 33 0.3 0.1
36000 -52.1 -61.8 215 62 32 0.8 0.4 | -52.0 -61.6 220 61 31 0.3 0.1
34000 -50.0 -58.0 215 58 30 7.7 4.2 | -50.0 -58.0 215 57 29 7.8 4.3
32000 -45.4 -49.7 210 54 28 7.6 4.2 | -45.3 -49.5 210 52 27 7.8 4.3
30000 -40.8 -41.4 210 50 26 7.6 4.2 | -40.7 -41.3 205 47 24 7.6 4.1
28000 -36.3 -33.3 215 43 22 7.6 4.2 | -36.2 -33.2 210 39 20 7.6 4.2
26000 -31.7 -25.1 220 37 19 7.8 4.3 | -31.6 -24.9 210 33 17 7.7 4.2
24000 -26.4 -15.5 215 31 16 8.4 4.6 | -26.4 -15.5 205 27 14 8.5 4.7
22000 -21.3 -6.3 215 28 14 8.4 4.6 | -21.3 -6.3 205 23 12 8.4 4.6
20000 -16.5 2.3 215 23 12 7.8 4.3 | -16.8 1.8 205 17 9 7.2 3.9
18000 -12.5 9.5 215 18 9 5.5 3.0 | -12.9 8.8 215 10 5 5.6 3.1
16000 -9.9 14.2 225 11 6 4.0 2.2 | -10.1 13.8 245 4 2 4.8 2.7
14000 -6.7 19.9 200 6 3 8.2 4.5 | -6.2 20.8 165 3 1 8.0 4.4
12000 -1.4 29.5 165 7 4 9.4 5.2 | -1.2 29.8 150 8 4 9.0 5.0
10000 4.2 39.6 165 6 3 9.1 5.0 | 4.3 39.7 150 11 6 9.1 5.0
9000 6.8 44.2 155 6 3 8.3 4.5 | 7.6 45.7 145 12 6 8.6 4.7
8000 9.7 49.5 135 7 4 7.8 4.3 | 10.0 50.0 145 13 7 8.4 4.6
7500 10.5 50.9 135 9 5 4.0 2.2 | 10.8 51.4 140 15 7 3.9 2.1
7000 11.2 52.2 140 11 6 5.4 2.9 | 11.5 52.7 140 16 8 5.1 2.8
6500 11.8 53.2 135 13 7 5.6 3.1 | 12.0 53.6 135 17 9 4.6 2.5
6000 12.7 54.9 135 14 7 5.9 3.2 | 12.8 55.0 135 16 8 5.3 2.9
5500 13.3 55.9 140 14 7 3.4 1.9 | 13.4 56.1 135 16 8 4.1 2.3
5000 13.9 57.0 135 13 7 0.6 0.3 | 14.0 57.2 140 12 6 -1.7 -1.0
4750 13.7 56.7 140 11 6 -4.5 -2.4 | 13.6 56.5 140 9 5 -5.4 -2.9
4500 13.4 56.1 140 9 5 -4.1 -2.2 | 13.5 56.3 145 8 4 1.2 0.6
4250 13.1 55.6 140 7 4 -4.3 -2.4 | 13.7 56.7 150 6 3 3.8 2.1
4000 12.7 54.9 135 5 3 -6.3 -3.5 | 14.1 57.4 155 5 3 3.9 2.1
3750 12.4 54.3 125 4 2 0.3 0.2 | 14.4 57.9 170 4 2 8.1 4.5
3500 12.6 54.7 080 3 2 -4.2 -2.3 | 15.3 59.5 165 4 2 13.8 7.6
3400 12.6 54.7 080 3 2 -4.2 -2.3 | 15.3 59.5 165 4 2 13.8 7.6
3300 11.1 52.0 065 3 2 -38.1 -20.9 | 16.3 61.3 170 4 2 10.1 5.5
3200 11.1 52.0 065 3 2 -38.1 -20.9 | 16.3 61.3 170 4 2 10.1 5.5
3100 11.1 52.0 065 3 2 -38.1 -20.9 | 16.3 61.3 170 4 2 10.1 5.5
3000 8.3 46.9 075 3 2 -18.4 -10.1 | 17.1 62.8 175 3 2 17.5 9.6
2900 M M M M M M M | M M M M M M M
10/20/2026 AT 1500 MDT | 10/20/2026 AT 1800 MDT
|
CAPE... +14.1 LI... +1.2 | CAPE... +10.9 LI... +1.0
CINH... -21.7 K INDEX... +16.8 | CINH... -24.3 K INDEX... +18.4
|
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
--------------------------------------------------------------------------------
40000 -52.3 -62.1 220 77 39 2.3 1.2 | -52.8 -63.0 215 79 41 2.0 1.1
38000 -51.6 -60.9 220 70 36 1.0 0.6 | -51.5 -60.7 215 69 36 2.1 1.2
36000 -51.0 -59.8 220 62 32 1.0 0.6 | -50.3 -58.5 210 57 30 2.1 1.2
34000 -48.8 -55.8 215 56 29 7.2 4.0 | -47.8 -54.0 210 49 25 6.7 3.7
32000 -44.5 -48.1 205 52 27 7.2 4.0 | -43.8 -46.8 205 44 22 6.7 3.7
30000 -40.0 -40.0 200 46 24 7.7 4.2 | -39.5 -39.1 200 38 20 7.8 4.3
28000 -35.3 -31.5 200 37 19 7.7 4.2 | -34.8 -30.6 195 31 16 7.8 4.3
26000 -30.2 -22.4 200 29 15 7.5 4.1 | -30.0 -22.0 190 23 12 6.8 3.7
24000 -25.8 -14.4 200 23 12 7.5 4.1 | -25.9 -14.6 175 17 9 7.1 3.9
22000 -21.3 -6.3 190 19 10 7.5 4.1 | -21.6 -6.9 170 16 8 7.2 3.9
20000 -17.0 1.4 180 14 7 7.1 3.9 | -17.1 1.2 160 15 7 7.6 4.1
18000 -13.2 8.2 165 8 4 5.7 3.1 | -12.9 8.8 155 12 6 6.3 3.5
16000 -9.8 14.4 115 5 3 6.0 3.3 | -9.3 15.3 135 11 6 6.1 3.4
14000 -5.8 21.6 115 7 4 7.4 4.0 | -5.6 21.9 120 13 7 7.3 4.0
12000 -1.1 30.0 130 9 5 8.9 4.9 | -0.9 30.4 125 13 7 8.6 4.7
10000 4.3 39.7 140 10 5 9.0 4.9 | 4.2 39.6 125 13 7 9.1 5.0
9000 7.6 45.7 140 12 6 9.0 4.9 | 7.6 45.7 130 13 6 9.2 5.0
8000 10.2 50.4 135 14 7 8.8 4.8 | 10.4 50.7 135 12 6 9.9 5.5
7500 11.2 52.2 140 13 7 6.4 3.5 | 11.5 52.7 135 11 6 6.7 3.7
7000 12.2 54.0 135 12 6 7.6 4.2 | 12.7 54.9 140 10 5 7.0 3.8
6500 12.9 55.2 135 11 5 4.9 2.7 | 14.0 57.2 135 9 4 9.8 5.4
6000 14.0 57.2 135 8 4 6.4 3.5 | 15.1 59.2 140 6 3 7.7 4.2
5500 14.8 58.6 140 5 3 7.3 4.0 | 16.1 61.0 160 4 2 7.7 4.2
5000 16.0 60.8 150 4 2 8.7 4.8 | 17.3 63.1 175 2 1 7.8 4.3
4750 16.7 62.1 160 4 2 9.6 5.3 | 17.9 64.2 240 2 1 8.1 4.4
4500 17.4 63.3 165 3 2 9.3 5.1 | 18.5 65.3 255 2 1 8.6 4.7
4250 18.1 64.6 160 3 2 9.8 5.4 | 19.1 66.4 260 2 1 8.5 4.7
4000 18.8 65.8 170 3 2 10.6 5.8 | 19.7 67.5 275 2 1 8.1 4.4
3750 19.6 67.3 180 3 1 9.5 5.2 | 20.3 68.5 280 3 2 8.8 4.8
3500 20.3 68.5 175 3 1 10.3 5.7 | 21.0 69.8 285 3 1 7.5 4.1
3400 20.3 68.5 175 3 1 10.3 5.7 | 21.0 69.8 285 3 1 7.5 4.1
3300 21.3 70.3 180 3 1 15.8 8.7 | 21.3 70.3 285 3 1 1.6 0.9
3200 21.3 70.3 180 3 1 15.8 8.7 | 21.3 70.3 285 3 1 1.6 0.9
3100 21.3 70.3 180 3 1 15.8 8.7 | 21.3 70.3 285 3 1 1.6 0.9
3000 22.4 72.3 190 3 1 12.5 6.9 | 21.4 70.5 285 3 2 1.6 0.9
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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