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

from TJ's RASP forecasts BLIPSPOT: 28 Feb 2026 → Feb 28 08:47 PST for Saturday 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	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	355°	354°	354°	356°	6°	4°	1°	352°	351°	354°	358°	359°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	8	9	10	10	9	10	11	12	13	11	11	11	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	9	10	11	11	10	11	12	13	14	12	12	12	10M_Wind_Sp_Kt
Treetop_WSp_Kt	11	13	14	14	14	15	16	17	18	17	16	16	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	13	14	15	15	15	17	17	19	19	20	19	18	Lev_Abv_WSp_Kt
Up_Velocity fpm	73	161	220	275	311	302	267	209	126	0	0	0	Up_Velocity fpm
cm/s_Convergence	-15	-33	-44	-47	-36	-35	-40	-65	-55	-15	-15	-14	cm/s_Convergence
MaxSoar1.1m/s	632	632	632	1203	1674	1643	1390	632	632	632	632	632	MaxSoar1.1m/s
MaxSoar_AGL	0	0	0	572	1042	1011	758	0	0	0	0	0	MaxSoar_AGL
MaxSoar_clds	632	632	632	1203	1674	1643	1390	632	632	632	632	632	MaxSoar_clds
Bouy/Shr_Ratio	1	1	1	2	2	2	1	1	1	0	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	870	1091	1394	1890	2588	2592	2391	1927	1365	658	658	658	BL_Top_TI=0
BL_Depth_AGL	238	459	762	1258	1956	1960	1759	1295	733	26	26	26	BL_Depth_AGL
Avg_BLWindSpd	11	13	15	15	15	16	17	18	19	11	11	11	Avg_BLWindSpd
Avg_BlWindDir	4	2	7	11	16	16	13	4	356	354	358	359	Avg_BlWindDir
Wind_Shear	6	7	9	10	9	9	9	11	8	0	0	0	Wind_Shear
BLTop_WdSp	13	15	17	17	15	15	16	19	20	11	11	11	BLTop_WdSp
BLTopWDir	13	12	20	26	38	39	31	22	7	354	358	359	BLTopWDir
CAPE_TSpoten	0	1	2	5	9	8	5	2	1	0	0	0	CAPE_TSpoten
CUbase_LCL	1196	1167	2008	2514	3737	4260	4448	3806	2934	2379	2017	1913	CUbase_LCL
ODpot_if_cu	-3171	-7893	-9728	-8107	-8173	-9495	-8270	-8090	-8241	-9239	-9056	-8795	ODpot_if_cu
ODbase_allclds	4041	8984	11122	9997	10761	12087	10661	10017	9606	9897	9714	9452	ODbase_allclds
BL_Cloud_%	73	86	36	22	0	0	0	0	0	2	20	26	BL_Cloud_%
Sfc_Heating	20	114	174	205	187	169	129	83	30	-27	-34	-33	Sfc_Heating
Temp@2m	40.7	40.7	42.9	45.8	50.1	51.9	52.8	51.7	48.7	45.6	43.4	42.6	Temp@2m
DewPt@2m	38.1	38.0	36.5	37.2	36.3	35.9	36.2	37.9	38.8	38.2	37.6	37.2	DewPt@2m
msl_pressure	1020	1020	1020	1019	1018	1018	1017	1016	1016	1016	1017	1017	msl_pressure
1hr_rain_acc	0	0	0	0	0	0	0	0	0	0	0	0	1hr_rain_acc
Hgt_Variab_	510	273	288	160	256	242	314	408	412	775	604	574	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	10:31	10:52	11:54	unlikely	unlikely	unlikely	unlikely
When_sfc_temp=	44.4	45.4	49.7	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=	11:20	unlikely	unlikely	unlikely
When_sfc_temp=	47.3	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