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

from TJ's RASP forecasts BLIPSPOT: 29 Jan 2026 → Jan 28 19:04 PST for Thursday Arlington Windgram

ForecastPd	15hrs	16hrs	17hrs	18hrs	19hrs	20hrs	21hrs	22hrs	23hrs	24hrs	25hrs	26hrs	27hrs	ForecastPd
PNW_d2	gridpt=	23,54
Lat,Lon=	48.165,-122.150
VALID.TIME	07 PST	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	144°	151°	163°	167°	172°	175°	164°	163°	158°	146°	150°	152°	146°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	11	9	9	8	10	9	9	9	9	7	8	9	8	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	12	10	9	9	10	9	9	10	10	8	9	9	9	10M_Wind_Sp_Kt
Treetop_WSp_Kt	19	15	14	13	15	13	13	14	14	12	13	14	13	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	25	20	19	17	17	16	15	16	16	15	17	18	18	Lev_Abv_WSp_Kt
Up_Velocity fpm	0	0	0	91	175	228	303	261	172	0	0	0	0	Up_Velocity fpm
cm/s_Convergence	0	0	0	-2	4	-4	-5	-5	-4	-2	-2	-2	-2	cm/s_Convergence
MaxSoar1.1m/s	204	204	204	204	204	674	1333	1033	204	204	204	204	204	MaxSoar1.1m/s
MaxSoar_AGL	0	0	0	0	0	471	1129	829	0	0	0	0	0	MaxSoar_AGL
MaxSoar_clds	204	204	204	204	204	674	1333	1033	204	204	204	204	204	MaxSoar_clds
Bouy/Shr_Ratio	0	0	0	0	1	1	2	1	1	0	0	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	230	230	230	905	2310	2429	2386	2223	1824	230	230	230	230	BL_Top_TI=0
BL_Depth_AGL	26	26	26	701	2106	2225	2182	2019	1620	26	26	26	26	BL_Depth_AGL
Avg_BLWindSpd	11	9	9	18	22	19	17	18	18	7	8	9	8	Avg_BLWindSpd
Avg_BlWindDir	144	151	163	172	185	185	179	176	169	146	150	152	146	Avg_BlWindDir
Wind_Shear	0	0	0	16	22	19	17	16	15	0	0	0	0	Wind_Shear
BLTop_WdSp	11	9	9	24	30	26	22	22	23	7	8	9	8	BLTop_WdSp
BLTopWDir	144	151	163	176	200	202	201	196	186	146	150	152	146	BLTopWDir
CAPE_TSpoten	0	0	0	0	5	6	10	8	2	0	0	0	0	CAPE_TSpoten
CUbase_LCL	2110	2437	2921	3176	2831	2420	2593	2596	2451	2032	1767	1495	1491	CUbase_LCL
ODpot_if_cu	-3249	-3931	-5596	-4858	-591	194	-1375	-1535	-1922	-3187	-3300	-1837	-1736	ODpot_if_cu
ODbase_allclds	3479	4161	5826	5763	2902	2235	3761	3757	3746	3417	3530	2067	1966	ODbase_allclds
BL_Cloud_%	0	0	0	0	97	100	88	78	58	2	15	30	30	BL_Cloud_%
Sfc_Heating	-27	-22	-12	14	32	68	162	112	40	-3	-6	-3	-2	Sfc_Heating
Temp@2m	51.8	52.0	53.1	54.2	54.5	55.0	56.3	56.2	55.5	54.1	53.3	53.0	52.7	Temp@2m
DewPt@2m	43.6	42.4	41.3	41.1	42.7	44.9	45.1	45.1	45.4	46.1	46.5	47.4	47.1	DewPt@2m
msl_pressure	1020	1021	1021	1022	1022	1022	1023	1022	1022	1022	1022	1023	1023	msl_pressure
1hr_rain_acc	0	0	0	0	0	0	0	0	0	0	0	0	1	1hr_rain_acc
Hgt_Variab_	821	571	1074	1860	529	427	328	339	500	1585	938	1305	1147	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	11:38	12:02	12:48	unlikely	unlikely	unlikely	unlikely
When_sfc_temp=	54.8	55.1	56.0	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=	10:34	10:55	unlikely	unlikely
When_sfc_temp=	54.4	54.5	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