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

from TJ's RASP forecasts BLIPSPOT: 4 Sep 2025 → Sep 04 14:59 PDT for Thursday Black_Butte Windgram

ForecastPd	9hrs	10hrs	11hrs	11hrs	13hrs	14hrs	15hrs	ForecastPd
PNWRAT_d2	gridpt=	68,90
Lat,Lon=	44.400,-121.637
VALID.TIME	14 PDT	15 PDT	16 PDT	17 PDT	18 PDT	19 PDT	20 PDT	VALID.TIME
10M_Wind_Dir	148°	159°	278°	295°	275°	308°	84°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	3	3	3	5	8	7	7	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	4	3	3	5	8	8	8	10M_Wind_Sp_Kt
Treetop_WSp_Kt	4	4	3	7	12	11	11	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	5	4	2	7	15	14	12	Lev_Abv_WSp_Kt
Up_Velocity fpm	604	589	537	445	0	0	0	Up_Velocity fpm
cm/s_Convergence	28	-15	34	52	2	-1	-3	cm/s_Convergence
MaxSoar1.1m/s	10998	11565	11707	11251	3755	3755	3755	MaxSoar1.1m/s
MaxSoar_AGL	7243	7810	7952	7496	0	0	0	MaxSoar_AGL
MaxSoar_clds	10998	11565	11707	11251	3755	3755	3755	MaxSoar_clds
Bouy/Shr_Ratio	9	7	8	12	0	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	13487	14318	14795	14882	3782	3782	3782	BL_Top_TI=0
BL_Depth_AGL	9732	10564	11040	11127	28	27	27	BL_Depth_AGL
Avg_BLWindSpd	6	8	6	4	8	7	7	Avg_BLWindSpd
Avg_BlWindDir	167	161	139	130	275	308	83	Avg_BlWindDir
Wind_Shear	13	14	14	15	0	0	0	Wind_Shear
BLTop_WdSp	15	17	13	13	8	7	7	BLTop_WdSp
BLTopWDir	192	187	173	173	275	308	83	BLTopWDir
CAPE_TSpoten	1688	1076	1160	1160	1654	1886	1055	CAPE_TSpoten
CUbase_LCL	12040	12714	13121	13121	10816	8212	7614	CUbase_LCL
ODpot_if_cu	788	1188	990	990	-7715	-5149	-6386	ODpot_if_cu
ODbase_allclds	12700	13131	13805	13805	11498	8932	10167	ODbase_allclds
BL_Cloud_%	75	99	76	76	0	0	0	BL_Cloud_%
Sfc_Heating	275	233	167	167	-27	-30	-26	Sfc_Heating
Temp@2m	85.7	86.6	87.0	87.0	81.8	76.0	71.5	Temp@2m
DewPt@2m	48.8	46.7	45.5	45.5	51.4	57.7	55.6	DewPt@2m
msl_pressure	1011	1010	1009	1009	1009	1011	1011	msl_pressure
1hr_rain_acc	0	0	0	0	0	0	0	1hr_rain_acc
Hgt_Variab_	475	357	345	345	3122	694	116	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