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For Boundary Layer* Information Prediction for Soaring Potential Over Time Blipspot for

from TJ's RASP forecasts BLIPSPOT: 29 Jan 2026 → Jan 28 21:39 PST for Thursday SumasCa Windgram

ForecastPd	16hrs	17hrs	18hrs	19hrs	20hrs	21hrs	22hrs	23hrs	24hrs	25hrs	26hrs	27hrs	ForecastPd
FRASER_w2	gridpt=	13,19
Lat,Lon=	49.121,-122.126
VALID.TIME	08 PST	09 PST	10 PST	11 PST	12 PST	13 PST	14 PST	15 PST	16 PST	17 PST	18 PST	19 PST	VALID.TIME
10M_Wind_Dir	190°	205°	208°	210°	211°	208°	200°	198°	231°	337°	45°	60°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	12	15	15	15	14	11	10	7	2	1	1	1	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	13	16	16	16	15	12	11	8	3	1	2	2	10M_Wind_Sp_Kt
Treetop_WSp_Kt	19	23	22	22	21	17	15	11	5	1	2	2	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	23	28	28	26	24	19	17	14	7	3	2	4	Lev_Abv_WSp_Kt
Up_Velocity fpm	0	0	67	141	197	193	186	117	0	0	10	25	Up_Velocity fpm
cm/s_Convergence	-12	-102	-123	-155	-134	-117	-109	-91	0	-5	0	13	cm/s_Convergence
MaxSoar1.1m/s	1402	1402	1402	1402	1402	1402	1402	1402	1402	1402	1402	1402	MaxSoar1.1m/s
MaxSoar_AGL	0	0	0	0	0	0	0	0	0	0	0	0	MaxSoar_AGL
MaxSoar_clds	1402	1402	1402	1402	1402	1402	1402	1402	1402	1402	1402	1402	MaxSoar_clds
Bouy/Shr_Ratio	0	0	0	0	1	1	1	1	0	0	1	1	Bouy/Shr_Ratio
BL_Top_TI=0	1428	1927	2356	2470	2678	2886	3368	3071	1428	1428	1428	1604	BL_Top_TI=0
BL_Depth_AGL	26	525	954	1068	1276	1484	1966	1669	26	26	26	202	BL_Depth_AGL
Avg_BLWindSpd	12	27	32	30	27	22	19	16	2	1	1	2	Avg_BLWindSpd
Avg_BlWindDir	191	201	200	203	205	206	208	208	232	338	45	60	Avg_BlWindDir
Wind_Shear	0	20	26	22	18	12	9	11	0	0	0	2	Wind_Shear
BLTop_WdSp	12	34	40	37	31	23	18	17	2	1	1	3	BLTop_WdSp
BLTopWDir	191	196	195	200	205	211	215	211	232	338	45	66	BLTopWDir
CAPE_TSpoten	0	0	2	3	4	4	8	9	2	0	0	0	CAPE_TSpoten
CUbase_LCL	3069	3029	2912	2932	3157	3399	3633	3552	2822	2428	2242	2211	CUbase_LCL
ODpot_if_cu	-2923	-1976	-1639	-1823	-1940	-1251	-883	-688	-2245	-1663	-1646	-1931	ODpot_if_cu
ODbase_allclds	4351	3903	3995	4293	4618	4137	4251	3759	3673	3090	3074	3534	ODbase_allclds
BL_Cloud_%	7	35	58	66	53	51	62	59	0	43	0	61	BL_Cloud_%
Sfc_Heating	-26	-22	4	33	76	61	42	12	-5	-2	1	1	Sfc_Heating
Temp@2m	47.4	48.3	48.6	49.1	50.3	51.4	52.2	51.8	47.6	47.5	47.4	47.1	Temp@2m
DewPt@2m	40.3	41.3	42.0	42.3	42.2	42.3	42.1	42.3	43.1	43.6	43.7	43.5	DewPt@2m
msl_pressure	1018	1019	1019	1020	1021	1021	1021	1021	1022	1022	1022	1021	msl_pressure
1hr_rain_acc	0	1	1	2	1	1	0	0	0	0	0	0	1hr_rain_acc
Hgt_Variab_	1085	1055	572	532	636	751	674	980	363	423	614	427	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	unlikely	unlikely	unlikely	unlikely	unlikely	unlikely	unlikely
When_sfc_temp=	unlikely	unlikely	unlikely	unlikely	unlikely	unlikely	unlikely

TRIGGER_TIME	&	SURFACE_(2m)	TEMPERATURE
(+++	=	before_first_time,	unlikely	=	not_found)
AGL_Lift_to=	1500	2000	2500	3000
by=	unlikely	unlikely	unlikely	unlikely
When_sfc_temp=	unlikely	unlikely	unlikely	unlikely
BL_Depth_AGL_=	1500	2000	2500	3000
by=	13:01	unlikely	unlikely	unlikely
When_sfc_temp=	51.4	unlikely	unlikely	unlikely

* The Boundary Layer is also known as the Mixing layer and its top is also called the mixing height. It is the top of thermally induced lift and the level at which the Thermal Index goes to zero.
RASP Blanchard RASP Tiger RASP Fraser Valley RASP PNW big picture