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

from TJ's RASP forecasts BLIPSPOT: 4 Apr 2026 → Apr 04 03:45 PDT for Saturday Tiger Windgram

ForecastPd	10hrs	11hrs	12hrs	13hrs	14hrs	15hrs	16hrs	17hrs	18hrs	19hrs	20hrs	21hrs	ForecastPd
TIGER_w2	gridpt=	20,19
Lat,Lon=	47.503,-121.975
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	53°	33°	16°	2°	351°	344°	342°	346°	348°	357°	11°	39°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	5	5	6	6	7	7	8	8	9	8	6	7	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	5	5	6	7	7	8	8	9	9	9	7	8	10M_Wind_Sp_Kt
Treetop_WSp_Kt	7	6	7	8	9	10	10	11	12	11	9	10	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	7	6	7	8	9	10	11	12	13	12	10	11	Lev_Abv_WSp_Kt
Up_Velocity fpm	182	252	322	387	426	430	412	363	286	194	7	0	Up_Velocity fpm
cm/s_Convergence	-16	-14	-20	26	27	-28	-31	-33	-32	27	17	2	cm/s_Convergence
MaxSoar1.1m/s	2266	2622	3043	3564	3950	4030	3920	3534	2962	2266	2266	2266	MaxSoar1.1m/s
MaxSoar_AGL	0	356	777	1298	1685	1764	1654	1268	696	0	0	0	MaxSoar_AGL
MaxSoar_clds	2266	2622	3043	3564	3950	4030	3920	3534	2962	2266	2266	2266	MaxSoar_clds
Bouy/Shr_Ratio	3	4	6	7	8	7	6	4	2	2	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	2905	3211	3676	4329	4816	4923	4811	4364	3708	3190	2427	2292	BL_Top_TI=0
BL_Depth_AGL	640	945	1411	2063	2550	2658	2545	2098	1443	924	162	26	BL_Depth_AGL
Avg_BLWindSpd	7	5	5	5	5	6	7	9	11	11	8	7	Avg_BLWindSpd
Avg_BlWindDir	58	55	50	41	27	24	15	6	358	3	10	39	Avg_BlWindDir
Wind_Shear	2	5	8	11	12	13	13	10	5	3	3	0	Wind_Shear
BLTop_WdSp	7	6	6	7	5	7	7	6	8	10	9	7	BLTop_WdSp
BLTopWDir	64	84	103	124	129	120	110	74	22	16	11	39	BLTopWDir
CAPE_TSpoten	1	2	6	12	17	17	15	11	7	3	0	0	CAPE_TSpoten
CUbase_LCL	4835	5162	5526	5914	6278	6437	6397	6202	5822	5249	4144	3598	CUbase_LCL
ODpot_if_cu	-7259	-6919	-6253	-5526	-5925	-5843	-5080	-5910	-6170	-6193	-5811	-6021	ODpot_if_cu
ODbase_allclds	10164	10129	9929	9855	10741	10766	9890	10274	9878	9383	8238	8312	ODbase_allclds
BL_Cloud_%	0	0	0	0	0	0	0	0	0	0	2	26	BL_Cloud_%
Sfc_Heating	120	214	298	355	381	378	346	287	206	101	0	-19	Sfc_Heating
Temp@2m	47.1	49.0	50.8	53.1	55.0	56.2	56.9	56.9	56.2	54.4	50.5	47.9	Temp@2m
DewPt@2m	35.4	35.8	36.0	36.5	36.8	37.3	38.1	39.0	39.9	40.8	42.4	42.4	DewPt@2m
msl_pressure	1027	1027	1027	1027	1026	1026	1025	1025	1025	1024	1024	1024	msl_pressure
1hr_rain_acc	0	0	0	0	0	0	0	0	0	0	0	0	1hr_rain_acc
Hgt_Variab_	408	501	592	407	347	330	381	392	338	250	222	176	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	09:50	10:20	11:25	12:31	unlikely	unlikely	unlikely
When_sfc_temp=	48.7	49.6	51.8	54.1	unlikely	unlikely	unlikely

TRIGGER_TIME	&	SURFACE_(2m)	TEMPERATURE
(+++	=	before_first_time,	unlikely	=	not_found)
AGL_Lift_to=	1500	2000	2500	3000
by=	12:31	unlikely	unlikely	unlikely
When_sfc_temp=	54.1	unlikely	unlikely	unlikely
BL_Depth_AGL_=	1500	2000	2500	3000
by=	11:08	11:54	12:53	unlikely
When_sfc_temp=	51.1	52.9	54.8	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