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RASP Blanchard RASP Tiger RASP Fraser Valley RASP PNW big picture

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

from TJ's RASP forecasts BLIPSPOT: 4 Sep 2025 → Sep 04 14:58 PDT for Thursday Duffey_Lake Windgram

ForecastPd	9hrs	10hrs	11hrs	11hrs	13hrs	14hrs	15hrs	ForecastPd
PNWRAT_d2	gridpt=	54,257
Lat,Lon=	50.384,-122.347
VALID.TIME	14 PDT	15 PDT	16 PDT	17 PDT	18 PDT	19 PDT	20 PDT	VALID.TIME
10M_Wind_Dir	74°	71°	61°	61°	57°	49°	53°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	5	5	5	5	6	6	6	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	5	5	5	5	6	7	6	10M_Wind_Sp_Kt
Treetop_WSp_Kt	6	6	6	7	8	9	8	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	7	7	7	8	10	12	11	Lev_Abv_WSp_Kt
Up_Velocity fpm	420	393	334	237	70	0	0	Up_Velocity fpm
cm/s_Convergence	-27	-19	-16	-10	-2	0	1	cm/s_Convergence
MaxSoar1.1m/s	9363	9168	8336	6547	5502	5502	5502	MaxSoar1.1m/s
MaxSoar_AGL	3861	3666	2835	1045	0	0	0	MaxSoar_AGL
MaxSoar_clds	9363	9168	8336	6547	5502	5502	5502	MaxSoar_clds
Bouy/Shr_Ratio	15	12	8	4	1	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	11389	11278	10491	9035	6231	5528	5528	BL_Top_TI=0
BL_Depth_AGL	5887	5776	4989	3533	729	27	27	BL_Depth_AGL
Avg_BLWindSpd	3	3	4	5	9	6	6	Avg_BLWindSpd
Avg_BlWindDir	61	36	32	43	55	49	53	Avg_BlWindDir
Wind_Shear	7	9	8	5	4	0	0	Wind_Shear
BLTop_WdSp	3	4	4	4	9	6	6	BLTop_WdSp
BLTopWDir	305	286	273	273	55	49	53	BLTopWDir
CAPE_TSpoten	19	23	11	11	140	0	0	CAPE_TSpoten
CUbase_LCL	13828	14031	13883	13883	11775	10910	10442	CUbase_LCL
ODpot_if_cu	-6595	-6527	-6124	-6124	-7666	-8269	-8778	ODpot_if_cu
ODbase_allclds	17984	17805	16615	16615	13897	13798	14307	ODbase_allclds
BL_Cloud_%	0	0	0	0	0	0	0	BL_Cloud_%
Sfc_Heating	141	116	79	79	-1	-24	-10	Sfc_Heating
Temp@2m	75.1	75.6	75.5	75.5	71.3	66.3	59.8	Temp@2m
DewPt@2m	38.7	38.5	39.2	39.2	45.2	45.7	43.4	DewPt@2m
msl_pressure	1015	1015	1015	1015	1014	1014	1014	msl_pressure
1hr_rain_acc	0	0	0	0	0	0	0	1hr_rain_acc
Hgt_Variab_	883	1237	1907	1907	922	238	91	Hgt_Variab

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

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

* 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