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

from TJ's RASP forecasts BLIPSPOT: 8 Apr 2026 → Apr 08 10:12 PDT for Wednesday TigerLZ Windgram

ForecastPd	4hrs	5hrs	6hrs	7hrs	8hrs	9hrs	10hrs	11hrs	12hrs	13hrs	14hrs	15hrs	ForecastPd
TIGER_w2	gridpt=	17,18
Lat,Lon=	47.498,-122.021
VALID.TIME	09 PDT	10 PDT	11 PDT	12 PDT	13 PDT	14 PDT	15 PDT	16 PDT	17 PDT	18 PDT	19 PDT	20 PDT	VALID.TIME
10M_Wind_Dir	356°	355°	352°	357°	355°	353°	352°	353°	352°	352°	3°	10°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	7	8	7	5	5	5	5	5	5	6	7	8	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	8	8	7	5	5	5	5	6	6	7	7	8	10M_Wind_Sp_Kt
Treetop_WSp_Kt	10	11	10	7	6	7	8	8	8	9	10	11	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	10	11	10	8	7	7	8	8	9	10	12	12	Lev_Abv_WSp_Kt
Up_Velocity fpm	154	223	289	361	396	395	373	330	254	139	0	0	Up_Velocity fpm
cm/s_Convergence	-26	-33	-31	-27	-18	-17	-19	-22	-21	-20	-9	-12	cm/s_Convergence
MaxSoar1.1m/s	632	632	1270	2009	2529	2613	2521	2240	1479	632	632	632	MaxSoar1.1m/s
MaxSoar_AGL	0	0	638	1377	1897	1981	1889	1608	847	0	0	0	MaxSoar_AGL
MaxSoar_clds	632	632	1270	2009	2529	2613	2521	2240	1479	632	632	632	MaxSoar_clds
Bouy/Shr_Ratio	1	2	3	8	14	12	8	6	4	1	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	1150	1444	1938	2917	3610	3745	3703	3488	2833	1974	658	658	BL_Top_TI=0
BL_Depth_AGL	518	812	1306	2285	2978	3114	3071	2856	2201	1342	26	26	BL_Depth_AGL
Avg_BLWindSpd	10	10	8	4	3	3	4	5	7	9	7	8	Avg_BLWindSpd
Avg_BlWindDir	3	5	360	353	338	332	332	335	342	350	3	10	Avg_BlWindDir
Wind_Shear	5	5	4	7	9	9	8	6	4	1	0	0	Wind_Shear
BLTop_WdSp	10	10	5	3	4	4	3	2	3	7	7	8	BLTop_WdSp
BLTopWDir	19	24	29	121	146	157	166	218	311	356	3	10	BLTopWDir
CAPE_TSpoten	1	2	5	9	13	13	12	8	4	0	0	0	CAPE_TSpoten
CUbase_LCL	3932	4161	4562	5209	5952	6540	7235	7229	6719	6049	5037	4642	CUbase_LCL
ODpot_if_cu	-11407	-11089	-10746	-9625	-10835	-10102	-12132	-12458	-11087	-10352	-10176	-10995	ODpot_if_cu
ODbase_allclds	12557	12533	12683	12543	14445	13848	15835	15945	13920	12326	10834	11653	ODbase_allclds
BL_Cloud_%	0	0	0	0	0	0	0	0	0	0	0	0	BL_Cloud_%
Sfc_Heating	85	167	225	249	251	237	199	147	84	19	-30	-45	Sfc_Heating
Temp@2m	46.2	48.3	50.5	53.2	55.6	57.1	58.0	58.2	57.5	55.8	52.2	49.3	Temp@2m
DewPt@2m	31.8	32.8	33.2	33.1	32.3	31.2	29.2	29.6	31.3	32.9	34.4	32.7	DewPt@2m
msl_pressure	1018	1018	1018	1018	1017	1017	1017	1016	1016	1016	1016	1017	msl_pressure
1hr_rain_acc	0	0	0	0	0	0	0	0	0	0	0	0	1hr_rain_acc
Hgt_Variab_	231	234	372	411	346	410	528	561	657	677	805	328	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	10:28	10:47	11:29	12:14	unlikely	unlikely	unlikely
When_sfc_temp=	49.3	50.0	51.8	53.8	unlikely	unlikely	unlikely

TRIGGER_TIME	&	SURFACE_(2m)	TEMPERATURE
(+++	=	before_first_time,	unlikely	=	not_found)
AGL_Lift_to=	1500	2000	2500	3000
by=	12:14	unlikely	unlikely	unlikely
When_sfc_temp=	53.8	unlikely	unlikely	unlikely
BL_Depth_AGL_=	1500	2000	2500	3000
by=	11:11	11:42	12:18	13:09
When_sfc_temp=	51.0	52.4	53.9	55.8

* 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