998
UXUS97 KBOI 241306
SRGBOI
SOARING FORECAST
NATIONAL WEATHER SERVICE BOISE, IDAHO
606 AM MST WEDNESDAY, DECEMBER 24, 2025
THIS FORECAST IS FOR WEDNESDAY, DECEMBER 24, 2025:
IF THE TRIGGER TEMPERATURE OF 66.1 F/18.9 C IS REACHED...THEN
THERMAL SOARING INDEX....................... POOR
MAXIMUM RATE OF LIFT........................ 0 FT/MIN (0.0 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 3618 FT MSL (757 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 62.0 F/17.1 C
TIME OF TRIGGER TEMPERATURE.................... NONE
TIME OF OVERDEVELOPMENT........................ NONE
MIDDLE/HIGH CLOUDS DURING SOARING WINDOW....... BROKEN/OVERCAST OPAQUE MIDDLE
SURFACE WINDS DURING SOARING WINDOW............ 20 MPH OR LESS
HEIGHT OF THE -3 THERMAL INDEX................. NONE
THERMAL SOARING OUTLOOK FOR THURSDAY 12/25..... POOR
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 08:16:24 / 17:12:57 MST
TOTAL POSSIBLE SUNSHINE........... 8 HR 56 MIN 33 SEC (536 MIN 33 SEC)
ALTITUDE OF SUN AT 12:44:40 MST... 22.26 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 12/24/2025 AT 0500 MST
FREEZING LEVEL.................. 10699 FT MSL (7838 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 14316 FT MSL (11455 FT AGL)
LIFTED CONDENSATION LEVEL....... 11208 FT MSL (8347 FT AGL)
LIFTED INDEX.................... +6.2
K INDEX......................... +13.9
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
--------------------------------------------------------------------------------
40000 -61.1 -78.0 235 103 53 -21.9 -12.0 59.2 138.5 27.1 M M
38000 -63.4 -82.1 230 133 68 -29.9 -16.4 46.6 115.9 19.6 M M
36000 -61.6 -78.9 230 121 62 7.9 4.3 40.4 104.7 16.0 M M
34000 -56.9 -70.4 230 102 53 8.1 4.4 38.8 101.8 15.3 M M
32000 -51.4 -60.5 230 97 50 10.5 5.8 38.3 101.0 15.4 M M
30000 -44.6 -48.3 230 92 47 9.3 5.1 38.6 101.5 16.1 M M
28000 -39.2 -38.6 225 85 44 7.1 3.9 38.1 100.5 16.1 M M
26000 -34.1 -29.4 220 80 41 9.4 5.1 37.1 98.9 15.7 M M
24000 -29.1 -20.4 215 76 39 10.1 5.6 36.1 96.9 15.2 M M
22000 -26.2 -15.2 210 70 36 6.2 3.4 32.4 90.4 12.6 M M
20000 -21.6 -6.9 215 51 26 8.3 4.6 31.0 87.7 11.6 M M
18000 -17.7 0.1 220 45 23 6.3 3.5 28.7 83.7 9.9 M M
16000 -13.6 7.5 210 38 20 4.5 2.5 26.0 78.7 7.7 M M
14000 -8.5 16.7 205 38 20 8.9 4.9 25.1 77.1 7.1 M M
12000 -3.3 26.1 195 36 18 8.6 4.7 24.4 75.9 6.7 M M
10000 1.9 35.4 175 36 18 8.9 4.9 23.6 74.6 6.1 M M
9000 2.6 36.7 180 37 19 4.4 2.4 21.4 70.6 4.0 M M
8000 4.0 39.2 175 35 18 6.5 3.6 19.8 67.7 2.5 M M
7500 5.3 41.5 170 34 18 8.8 4.9 19.6 67.4 2.3 M M
7000 6.6 43.9 165 34 18 8.9 4.9 19.5 67.2 2.2 M M
6500 7.9 46.2 160 34 18 9.0 5.0 19.4 66.9 2.1 M M
6000 9.2 48.6 150 35 18 7.7 4.2 19.2 66.6 1.9 M M
5500 10.3 50.5 145 38 20 7.6 4.2 18.9 65.9 1.6 M M
5000 11.4 52.5 135 42 22 7.6 4.2 18.5 65.4 1.3 M M
4750 12.0 53.6 135 43 22 7.7 4.2 18.4 65.1 1.1 M M
4500 12.5 54.5 135 43 22 7.3 4.0 18.2 64.8 0.9 M M
4250 13.1 55.6 135 40 21 6.6 3.6 18.0 64.4 0.7 M M
4000 13.5 56.3 130 37 19 6.5 3.6 17.8 64.0 0.5 M M
3750 14.0 57.2 130 33 17 6.6 3.6 17.5 63.5 0.2 M M
3500 14.5 58.1 125 28 14 6.4 3.5 17.3 63.1 -0.0 M M
3400 15.0 59.0 125 23 12 6.9 3.8 17.0 62.7 -0.3 M M
3300 15.0 59.0 125 23 12 6.9 3.8 17.0 62.7 -0.3 M M
3200 15.4 59.7 120 18 10 5.0 2.8 16.8 62.3 -0.5 M M
3100 15.4 59.7 120 18 10 5.0 2.8 16.8 62.3 -0.5 M M
3000 15.4 59.7 120 18 10 5.0 2.8 16.8 62.3 -0.5 M M
2900 15.2 59.4 110 14 7 -13.1 -7.2 16.0 60.7 -1.5 M M
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
12/24/2025 AT 0800 MST | 12/24/2025 AT 1100 MST
|
CAPE... 0.0 LI... +2.1 | CAPE... 0.0 LI... +2.5
CINH... 0.0 K INDEX... +23.0 | CINH... -0.1 K INDEX... +23.3
|
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 -60.7 -77.3 225 117 60 -2.4 -1.3 | -60.0 -76.0 225 123 64 -0.1 -0.1
38000 -60.5 -76.9 225 124 64 4.6 2.5 | -59.1 -74.4 220 131 67 3.6 1.9
36000 -57.7 -71.9 220 120 62 4.6 2.5 | -57.0 -70.6 220 124 64 3.5 1.9
34000 -54.8 -66.6 220 116 60 7.9 4.3 | -54.7 -66.5 215 117 60 8.0 4.4
32000 -49.8 -57.6 220 104 53 8.4 4.6 | -49.7 -57.5 215 106 55 8.3 4.5
30000 -44.7 -48.5 220 91 47 8.8 4.8 | -44.7 -48.5 210 95 49 8.6 4.7
28000 -39.6 -39.3 220 81 41 8.6 4.7 | -39.7 -39.5 210 82 42 8.4 4.6
26000 -34.6 -30.3 215 72 37 8.0 4.4 | -34.8 -30.6 205 73 38 8.0 4.4
24000 -29.2 -20.6 210 66 34 8.0 4.4 | -29.4 -20.9 205 70 36 8.0 4.4
22000 -25.1 -13.2 210 61 32 6.9 3.8 | -24.9 -12.8 205 64 33 7.6 4.2
20000 -21.1 -6.0 210 56 29 6.3 3.5 | -20.6 -5.1 205 56 29 6.8 3.7
18000 -17.4 0.7 200 49 25 6.3 3.5 | -16.6 2.1 205 48 25 6.5 3.6
16000 -13.7 7.3 190 46 23 6.4 3.5 | -12.8 9.0 205 46 24 6.4 3.5
14000 -9.7 14.5 185 42 21 7.4 4.1 | -9.1 15.6 205 44 23 6.2 3.4
12000 -5.5 22.1 185 36 18 7.0 3.8 | -5.4 22.3 205 40 21 6.3 3.5
10000 -1.2 29.8 185 31 16 7.5 4.1 | -1.8 28.8 195 38 20 6.1 3.3
9000 0.7 33.3 190 30 16 5.8 3.2 | -0.0 32.0 195 37 19 6.2 3.4
8000 2.9 37.2 190 31 16 6.6 3.6 | 2.4 36.3 195 37 19 6.7 3.7
7500 3.8 38.8 190 32 16 6.2 3.4 | 3.3 37.9 190 36 19 7.1 3.9
7000 4.6 40.3 185 31 16 4.5 2.5 | 4.2 39.6 185 35 18 4.5 2.4
6500 5.4 41.7 175 31 16 7.3 4.0 | 5.1 41.2 180 33 17 7.8 4.3
6000 6.6 43.9 165 30 16 7.7 4.2 | 6.3 43.3 170 32 17 8.6 4.7
5500 7.9 46.2 160 30 15 8.7 4.8 | 7.5 45.5 160 31 16 7.7 4.2
5000 9.1 48.4 150 28 15 8.3 4.6 | 8.8 47.8 155 29 15 8.1 4.5
4750 9.8 49.6 150 28 14 9.6 5.3 | 9.4 48.9 150 28 15 9.8 5.4
4500 10.5 50.9 145 29 15 7.6 4.1 | 10.1 50.2 150 28 15 7.6 4.2
4250 10.9 51.6 140 25 13 5.8 3.2 | 10.5 50.9 145 24 13 5.3 2.9
4000 11.3 52.3 135 21 11 3.4 1.9 | 10.9 51.6 140 21 11 3.5 1.9
3750 11.2 52.2 130 21 11 -7.1 -3.9 | 10.9 51.6 135 21 11 -3.3 -1.8
3500 10.3 50.5 125 19 10 -13.6 -7.4 | 10.5 50.9 130 19 10 -6.4 -3.5
3400 10.3 50.5 125 19 10 -13.6 -7.4 | 10.5 50.9 130 19 10 -6.4 -3.5
3300 9.3 48.7 125 15 8 -11.5 -6.3 | 10.0 50.0 125 16 8 -5.6 -3.1
3200 9.3 48.7 125 15 8 -11.5 -6.3 | 10.0 50.0 125 16 8 -5.6 -3.1
3100 9.3 48.7 125 15 8 -11.5 -6.3 | 10.0 50.0 125 16 8 -5.6 -3.1
3000 8.3 46.9 115 11 6 -18.3 -10.0 | 9.5 49.1 120 12 6 -8.1 -4.4
2900 M M M M M M M | M M M M M M M
12/24/2025 AT 1400 MST | 12/24/2025 AT 1700 MST
|
CAPE... 0.0 LI... +1.9 | CAPE... +26.5 LI... +1.3
CINH... -15.8 K INDEX... +24.6 | CINH... -41.8 K INDEX... +24.7
|
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 -60.8 -77.4 220 133 68 -1.5 -0.8 | -58.7 -73.7 215 128 66 -0.5 -0.3
38000 -60.3 -76.5 215 138 71 4.7 2.6 | -58.2 -72.8 210 132 68 2.9 1.6
36000 -57.5 -71.5 210 120 62 4.6 2.5 | -56.5 -69.7 205 120 62 2.8 1.6
34000 -54.5 -66.1 205 104 53 8.4 4.6 | -54.7 -66.5 205 108 56 7.1 3.9
32000 -49.2 -56.6 205 98 50 8.8 4.8 | -49.6 -57.3 205 103 53 8.4 4.6
30000 -43.9 -47.0 205 91 47 8.4 4.6 | -44.6 -48.3 205 98 50 8.7 4.8
28000 -39.0 -38.2 200 85 44 8.2 4.5 | -39.4 -38.9 200 86 44 8.6 4.7
26000 -34.2 -29.6 200 79 40 7.9 4.3 | -34.4 -29.9 195 77 40 7.8 4.3
24000 -28.9 -20.0 195 72 37 7.9 4.3 | -29.2 -20.6 195 72 37 7.9 4.3
22000 -24.8 -12.6 195 63 32 6.9 3.8 | -25.2 -13.4 200 62 32 6.7 3.7
20000 -20.7 -5.3 195 56 29 6.8 3.7 | -21.2 -6.2 200 56 29 6.7 3.7
18000 -16.7 1.9 200 53 27 7.3 4.0 | -17.2 1.0 205 55 29 6.4 3.5
16000 -12.6 9.3 200 49 25 6.5 3.5 | -13.4 7.9 205 47 24 6.2 3.4
14000 -8.9 16.0 205 45 23 6.4 3.5 | -10.3 13.5 210 42 21 5.3 2.9
12000 -5.4 22.3 210 42 22 6.0 3.3 | -6.4 20.5 210 35 18 5.5 3.0
10000 -2.0 28.4 210 44 23 6.1 3.4 | -3.1 26.4 215 30 15 6.1 3.3
9000 0.1 32.2 205 39 20 5.8 3.2 | -1.0 30.2 215 28 14 7.5 4.1
8000 1.9 35.4 195 36 18 7.3 4.0 | 2.0 35.6 210 26 14 8.2 4.5
7500 2.9 37.2 190 33 17 6.4 3.5 | 3.2 37.8 205 26 13 9.1 5.0
7000 3.8 38.8 180 32 16 6.5 3.6 | 4.4 39.9 200 26 13 6.4 3.5
6500 4.9 40.8 170 31 16 7.9 4.3 | 5.3 41.5 190 25 13 7.0 3.8
6000 6.1 43.0 165 31 16 8.6 4.7 | 6.2 43.2 180 25 13 6.6 3.6
5500 7.1 44.8 155 30 16 7.0 3.8 | 7.0 44.6 170 25 13 5.5 3.0
5000 8.3 46.9 150 28 14 7.9 4.4 | 8.0 46.4 160 23 12 6.4 3.5
4750 8.8 47.8 145 27 14 6.8 3.8 | 8.5 47.3 155 22 12 8.5 4.6
4500 9.2 48.6 145 27 14 4.1 2.3 | 9.1 48.4 150 22 12 6.6 3.6
4250 9.5 49.1 140 23 12 3.1 1.7 | 9.4 48.9 145 19 10 3.2 1.8
4000 9.7 49.5 135 20 10 4.1 2.2 | 9.7 49.5 140 16 8 4.3 2.4
3750 10.0 50.0 135 19 10 2.6 1.4 | 9.9 49.8 135 16 8 0.8 0.4
3500 10.0 50.0 135 18 9 -0.5 -0.3 | 9.8 49.6 130 15 8 -3.2 -1.8
3400 10.0 50.0 135 18 9 -0.5 -0.3 | 9.8 49.6 130 15 8 -3.2 -1.8
3300 10.0 50.0 130 14 7 -0.0 -0.0 | 9.6 49.3 125 12 6 -2.3 -1.2
3200 10.0 50.0 130 14 7 -0.0 -0.0 | 9.6 49.3 125 12 6 -2.3 -1.2
3100 10.0 50.0 130 14 7 -0.0 -0.0 | 9.6 49.3 125 12 6 -2.3 -1.2
3000 9.9 49.8 125 11 6 -2.4 -1.3 | 9.3 48.7 120 10 5 -6.2 -3.4
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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