627
UXUS97 KBOI 051306
SRGBOI
SOARING FORECAST
NATIONAL WEATHER SERVICE BOISE, IDAHO
706 AM MDT SUNDAY, APRIL 5, 2026
THIS FORECAST IS FOR SUNDAY, APRIL 5, 2026:
IF THE TRIGGER TEMPERATURE OF 64.8 F/18.2 C IS REACHED...THEN
THERMAL SOARING INDEX....................... GOOD
MAXIMUM RATE OF LIFT........................ 450 FT/MIN (2.3 M/S)
MAXIMUM HEIGHT OF THERMALS.................. 9862 FT MSL (7001 FT AGL)
FORECAST MAXIMUM TEMPERATURE................... 72.0 F/22.7 C
TIME OF TRIGGER TEMPERATURE.................... 1245 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................. 7288 FT MSL (4427 FT AGL)
THERMAL SOARING OUTLOOK FOR MONDAY 04/06....... GOOD
WAVE SOARING INDEX............................. NOT AVAILABLE
REMARKS...
SUNRISE/SUNSET.................... 07:18:41 / 20:16:11 MDT
TOTAL POSSIBLE SUNSHINE........... 12 HR 57 MIN 30 SEC (777 MIN 30 SEC)
ALTITUDE OF SUN AT 13:47:26 MDT... 51.31 DEGREES
UPPER AIR DATA FROM RAWINSONDE OBSERVATION TAKEN ON 04/05/2026 AT 0600 MDT
FREEZING LEVEL.................. 10408 FT MSL (7547 FT AGL)
CONVECTIVE CONDENSATION LEVEL... 15466 FT MSL (12605 FT AGL)
LIFTED CONDENSATION LEVEL....... 12909 FT MSL (10048 FT AGL)
LIFTED INDEX.................... +4.1
K INDEX......................... -11.1
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
--------------------------------------------------------------------------------
40000 -68.1 -90.6 270 46 24 -3.4 -1.9 47.6 117.7 16.2 M M
38000 -63.6 -82.5 270 43 22 8.8 4.8 45.4 113.8 15.3 M M
36000 -58.6 -73.5 270 41 21 8.7 4.8 44.3 111.8 14.9 M M
34000 -54.6 -66.3 275 40 21 6.5 3.6 42.6 108.6 14.1 M M
32000 -49.4 -56.9 280 40 21 7.4 4.1 40.7 105.3 13.2 M M
30000 -44.3 -47.7 285 37 19 8.0 4.4 39.7 103.5 12.8 M M
28000 -38.7 -37.7 280 32 16 6.1 3.3 38.4 101.1 12.1 M M
26000 -34.0 -29.2 270 26 13 9.9 5.4 36.8 98.3 11.2 M M
24000 -29.3 -20.7 295 26 13 6.8 3.7 35.5 95.8 10.4 M M
22000 -24.2 -11.6 295 26 13 8.9 4.9 34.5 94.0 9.8 M M
20000 -18.9 -2.0 290 25 13 8.6 4.7 34.0 93.2 9.7 M M
18000 -13.9 7.0 285 19 10 7.0 3.9 32.9 91.2 9.0 M M
16000 -10.2 13.6 255 8 4 4.3 2.4 30.6 87.0 7.1 M M
14000 -6.5 20.3 235 2 1 5.2 2.8 27.3 81.1 4.3 M M
12000 -3.0 26.6 185 3 2 5.2 2.9 24.6 76.3 2.1 M M
10000 0.9 33.6 175 11 6 7.9 4.3 22.5 72.5 0.2 M M
9000 2.5 36.5 195 6 3 7.0 3.9 21.3 70.4 -1.2 383 1.9
8000 4.2 39.6 160 9 5 6.6 3.6 20.2 68.4 -2.4 302 1.5
7500 5.5 41.9 145 9 5 7.5 4.1 19.9 67.8 -2.6 248 1.3
7000 6.2 43.2 130 10 5 1.6 0.9 19.2 66.6 -3.4 213 1.1
6500 6.6 43.9 140 9 4 5.6 3.1 18.1 64.7 -4.4 184 0.9
6000 7.4 45.3 160 7 4 8.9 4.9 17.6 63.6 -5.1 148 0.7
5500 8.8 47.8 155 8 4 9.8 5.4 17.5 63.5 -5.2 89 0.5
5000 10.1 50.2 150 9 5 6.9 3.8 17.3 63.2 -5.4 36 0.2
4750 10.5 50.9 150 10 5 4.0 2.2 17.0 62.7 -5.7 16 0.1
4500 10.7 51.3 145 10 5 2.6 1.4 16.5 61.7 -6.3 4 0.0
4250 11.0 51.8 140 11 6 6.8 3.8 16.1 61.0 -6.7 M M
4000 11.7 53.1 130 13 6 9.1 5.0 16.0 60.8 -6.8 M M
3750 12.3 54.1 130 13 7 7.6 4.2 15.9 60.6 -6.9 M M
3500 12.9 55.2 125 14 7 11.5 6.3 15.8 60.4 -7.1 M M
3400 13.1 55.6 120 14 7 -19.1 -10.5 15.3 59.5 -7.6 M M
3300 13.1 55.6 120 14 7 -19.1 -10.5 15.3 59.5 -7.6 M M
3200 9.5 49.1 120 9 5 -66.0 -36.2 11.1 51.9 -11.9 M M
3100 9.5 49.1 120 9 5 -66.0 -36.2 11.1 51.9 -11.9 M M
3000 9.5 49.1 120 9 5 -66.0 -36.2 11.1 51.9 -11.9 M M
2900 8.8 47.8 130 3 2 114.6 62.9 9.6 49.3 -13.4 9 0.0
* * * * * * NUMERICAL WEATHER PREDICTION MODEL FORECAST DATA VALID * * * * * *
04/05/2026 AT 0900 MDT | 04/05/2026 AT 1200 MDT
|
CAPE... 0.0 LI... +6.4 | CAPE... 0.0 LI... +5.3
CINH... -0.1 K INDEX... -3.1 | CINH... -0.1 K INDEX... -1.7
|
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 -64.0 -83.2 265 39 20 -4.5 -2.4 | -63.5 -82.3 265 35 18 -4.2 -2.3
38000 -62.3 -80.1 265 38 20 7.3 4.0 | -62.0 -79.6 260 36 18 6.5 3.6
36000 -57.9 -72.2 265 36 18 7.2 4.0 | -58.1 -72.6 260 37 19 6.5 3.6
34000 -53.5 -64.3 270 34 18 7.6 4.2 | -53.9 -65.0 260 37 19 8.0 4.4
32000 -49.0 -56.2 275 34 17 7.6 4.2 | -49.0 -56.2 265 34 17 8.0 4.4
30000 -44.4 -47.9 280 34 17 7.6 4.1 | -44.2 -47.6 265 32 16 8.1 4.5
28000 -39.9 -39.8 280 35 18 7.6 4.1 | -39.3 -38.7 270 31 16 8.1 4.5
26000 -35.3 -31.5 285 32 17 7.7 4.2 | -34.6 -30.3 270 29 15 7.7 4.2
24000 -30.1 -22.2 280 26 13 8.5 4.6 | -29.3 -20.7 270 27 14 8.2 4.5
22000 -25.0 -13.0 275 22 11 8.4 4.6 | -24.5 -12.1 265 22 12 8.2 4.5
20000 -19.9 -3.8 270 19 10 8.6 4.7 | -19.5 -3.1 255 19 10 8.3 4.6
18000 -14.9 5.2 270 16 8 8.1 4.4 | -14.6 5.7 250 15 8 8.1 4.4
16000 -10.5 13.1 260 11 5 6.7 3.7 | -10.3 13.5 245 10 5 6.6 3.6
14000 -6.7 19.9 240 5 3 5.9 3.2 | -6.5 20.3 215 6 3 5.7 3.1
12000 -3.2 26.2 200 4 2 5.6 3.0 | -3.2 26.2 180 7 3 5.4 3.0
10000 -0.1 31.8 170 6 3 5.5 3.0 | -0.1 31.8 170 10 5 5.9 3.2
9000 1.5 34.7 165 8 4 6.2 3.4 | 1.6 34.9 165 11 6 7.0 3.8
8000 3.7 38.7 155 10 5 6.2 3.4 | 4.1 39.4 155 14 7 6.6 3.6
7500 4.8 40.6 150 11 6 7.1 3.9 | 5.3 41.5 150 15 8 7.8 4.3
7000 5.6 42.1 150 12 6 5.9 3.2 | 6.2 43.2 150 16 8 5.9 3.2
6500 6.5 43.7 145 13 7 6.0 3.3 | 6.9 44.4 145 17 9 6.1 3.3
6000 7.4 45.3 140 13 6 5.4 3.0 | 8.0 46.4 140 16 8 5.6 3.1
5500 8.1 46.6 140 12 6 5.6 3.0 | 8.7 47.7 140 15 8 7.7 4.2
5000 8.7 47.7 140 12 6 2.4 1.3 | 9.7 49.5 140 11 6 3.8 2.1
4750 8.9 48.0 145 12 6 3.0 1.7 | 9.9 49.8 145 10 5 4.7 2.6
4500 9.1 48.4 145 12 6 1.1 0.6 | 10.3 50.5 145 9 5 7.6 4.2
4250 9.0 48.2 140 11 5 -2.4 -1.3 | 11.0 51.8 145 9 5 9.5 5.2
4000 8.8 47.8 140 10 5 -3.6 -2.0 | 11.7 53.1 150 8 4 9.4 5.1
3750 8.5 47.3 135 8 4 -1.7 -0.9 | 12.4 54.3 155 7 4 9.6 5.3
3500 8.4 47.1 115 5 3 -3.3 -1.8 | 13.1 55.6 155 7 4 12.0 6.6
3400 8.4 47.1 115 5 3 -3.3 -1.8 | 13.1 55.6 155 7 4 12.0 6.6
3300 7.8 46.0 110 5 2 -10.7 -5.9 | 14.1 57.4 155 7 4 15.5 8.5
3200 7.8 46.0 110 5 2 -10.7 -5.9 | 14.1 57.4 155 7 4 15.5 8.5
3100 7.8 46.0 110 5 2 -10.7 -5.9 | 14.1 57.4 155 7 4 15.5 8.5
3000 7.3 45.1 105 4 2 3.8 2.1 | 15.1 59.2 155 7 3 9.6 5.3
2900 M M M M M M M | M M M M M M M
04/05/2026 AT 1500 MDT | 04/05/2026 AT 1800 MDT
|
CAPE... 0.0 LI... +4.4 | CAPE... 0.0 LI... +4.6
CINH... 0.0 K INDEX... -2.6 | CINH... 0.0 K INDEX... -2.5
|
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
--------------------------------------------------------------------------------
40000 -63.0 -81.4 260 35 18 -3.7 -2.0 | -63.5 -82.3 265 36 18 -4.0 -2.2
38000 -61.9 -79.4 260 34 18 5.9 3.3 | -62.4 -80.3 260 33 17 6.1 3.4
36000 -58.3 -72.9 255 35 18 5.9 3.3 | -58.7 -73.7 260 31 16 6.1 3.4
34000 -54.2 -65.6 250 35 18 8.5 4.6 | -54.5 -66.1 260 30 15 8.7 4.8
32000 -49.2 -56.6 255 32 17 8.5 4.7 | -49.3 -56.7 260 29 15 8.7 4.8
30000 -44.2 -47.6 255 30 16 7.7 4.2 | -44.3 -47.7 255 28 15 7.6 4.2
28000 -39.6 -39.3 260 29 15 7.7 4.2 | -39.7 -39.5 250 28 14 7.6 4.2
26000 -34.9 -30.8 260 27 14 8.1 4.5 | -34.9 -30.8 245 27 14 8.4 4.6
24000 -29.4 -20.9 255 25 13 8.3 4.6 | -29.9 -21.8 240 27 14 8.4 4.6
22000 -24.4 -11.9 250 22 12 8.3 4.6 | -24.2 -11.6 235 24 13 8.4 4.6
20000 -19.4 -2.9 245 20 10 8.4 4.6 | -19.3 -2.7 230 22 11 8.2 4.5
18000 -14.5 5.9 235 17 9 8.0 4.4 | -14.5 5.9 230 19 10 7.7 4.2
16000 -10.1 13.8 230 14 7 7.1 3.9 | -10.2 13.6 235 15 8 6.9 3.8
14000 -6.2 20.8 215 10 5 6.3 3.5 | -6.2 20.8 230 11 6 6.3 3.5
12000 -2.5 27.5 195 9 5 6.0 3.3 | -2.4 27.7 210 9 4 6.4 3.5
10000 0.9 33.6 165 10 5 6.1 3.4 | 1.6 34.9 170 8 4 7.2 4.0
9000 2.7 36.9 155 11 5 6.5 3.6 | 3.7 38.7 150 8 4 7.8 4.3
8000 5.4 41.7 140 12 6 9.4 5.2 | 6.8 44.2 135 9 5 10.1 5.5
7500 6.3 43.3 140 12 6 5.7 3.1 | 7.8 46.0 135 9 4 6.2 3.4
7000 7.5 45.5 140 12 6 8.0 4.4 | 9.1 48.4 135 8 4 8.7 4.7
6500 8.7 47.7 140 12 6 9.5 5.2 | 10.4 50.7 140 8 4 9.8 5.4
6000 10.2 50.4 140 12 6 9.7 5.3 | 11.9 53.4 140 8 4 9.9 5.4
5500 11.6 52.9 140 12 6 10.0 5.5 | 13.3 55.9 140 8 4 9.6 5.3
5000 13.2 55.8 140 11 6 10.9 6.0 | 14.8 58.6 140 7 4 10.7 5.9
4750 14.0 57.2 145 11 6 10.4 5.7 | 15.6 60.1 145 7 4 10.3 5.6
4500 14.7 58.5 145 11 6 9.3 5.1 | 16.3 61.3 145 7 4 8.6 4.7
4250 15.4 59.7 145 10 5 10.1 5.5 | 16.9 62.4 145 6 3 9.5 5.2
4000 16.2 61.2 145 10 5 11.6 6.4 | 17.7 63.9 145 6 3 11.0 6.0
3750 17.0 62.6 145 10 5 8.7 4.8 | 18.5 65.3 150 6 3 9.0 4.9
3500 17.6 63.7 145 9 5 11.2 6.1 | 19.1 66.4 145 5 3 8.1 4.5
3400 17.6 63.7 145 9 5 11.2 6.1 | 19.1 66.4 145 5 3 8.1 4.5
3300 18.9 66.0 145 9 5 22.9 12.6 | 19.8 67.6 150 5 3 11.6 6.4
3200 18.9 66.0 145 9 5 22.9 12.6 | 19.8 67.6 150 5 3 11.6 6.4
3100 18.9 66.0 145 9 5 22.9 12.6 | 19.8 67.6 150 5 3 11.6 6.4
3000 20.1 68.2 145 9 5 -0.1 -0.1 | 20.5 68.9 155 6 3 4.8 2.6
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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