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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 20:47 PST for Thursday Tiger Windgram

ForecastPd	16hrs	17hrs	18hrs	19hrs	20hrs	21hrs	22hrs	23hrs	24hrs	25hrs	26hrs	27hrs	ForecastPd
TIGER_w2	gridpt=	20,19
Lat,Lon=	47.503,-121.975
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	187°	193°	203°	211°	216°	220°	220°	214°	203°	194°	191°	187°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	14	15	14	14	11	8	8	9	9	11	12	12	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	15	16	15	15	12	9	9	10	10	12	13	14	10M_Wind_Sp_Kt
Treetop_WSp_Kt	23	24	22	21	17	13	12	14	13	16	18	20	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	32	30	28	24	22	17	16	17	16	20	22	24	Lev_Abv_WSp_Kt
Up_Velocity fpm	0	32	117	174	186	119	87	0	0	0	0	0	Up_Velocity fpm
cm/s_Convergence	-68	-70	-107	-96	-70	-45	-48	-59	-50	-64	-72	-36	cm/s_Convergence
MaxSoar1.1m/s	2266	2266	2266	2266	2266	2266	2266	2266	2266	2266	2266	2266	MaxSoar1.1m/s
MaxSoar_AGL	0	0	0	0	0	0	0	0	0	0	0	0	MaxSoar_AGL
MaxSoar_clds	2266	2266	2266	2266	2266	2266	2266	2266	2266	2266	2266	2266	MaxSoar_clds
Bouy/Shr_Ratio	0	0	0	1	1	1	0	0	0	0	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	2379	2441	3051	3589	3780	3316	2945	2742	2640	2638	2588	2291	BL_Top_TI=0
BL_Depth_AGL	113	175	785	1323	1515	1050	679	477	375	372	323	26	BL_Depth_AGL
Avg_BLWindSpd	18	22	29	27	24	19	16	17	14	18	19	12	Avg_BLWindSpd
Avg_BlWindDir	188	193	203	210	213	219	222	216	204	196	192	187	Avg_BlWindDir
Wind_Shear	10	12	21	18	16	14	13	11	9	11	12	0	Wind_Shear
BLTop_WdSp	24	27	35	32	27	22	21	21	18	22	23	12	BLTop_WdSp
BLTopWDir	188	193	205	211	210	217	221	216	205	197	193	187	BLTopWDir
CAPE_TSpoten	0	0	0	1	3	0	1	2	2	0	0	0	CAPE_TSpoten
CUbase_LCL	4288	4100	3988	3793	3644	3261	2864	2716	2713	2773	2949	3441	CUbase_LCL
ODpot_if_cu	-3579	-3426	-2502	-1232	30	367	220	-124	-191	-122	-382	-1827	ODpot_if_cu
ODbase_allclds	5958	5866	5552	4821	3750	2949	2724	2866	2831	2760	2970	4119	ODbase_allclds
BL_Cloud_%	0	1	52	98	100	100	100	95	88	85	74	34	BL_Cloud_%
Sfc_Heating	-12	2	26	51	54	20	12	-10	-12	-20	-23	-40	Sfc_Heating
Temp@2m	46.5	46.1	46.9	47.8	48.6	47.9	47.1	46.5	46.2	45.7	45.6	46.1	Temp@2m
DewPt@2m	37.7	38.0	39.2	40.8	42.2	43.3	44.4	44.8	44.5	43.7	42.9	41.5	DewPt@2m
msl_pressure	1021	1021	1021	1021	1022	1022	1022	1022	1023	1023	1022	1022	msl_pressure
1hr_rain_acc	0	1	2	3	2	4	6	6	6	6	4	1	1hr_rain_acc
Hgt_Variab_	1452	1205	814	480	485	719	777	892	1019	862	1038	1386	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=	11:55	unlikely	unlikely	unlikely
When_sfc_temp=	48.5	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