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

from TJ's RASP forecasts BLIPSPOT: 21 Apr 2026 → Apr 20 22:12 PDT for Tuesday TigerLZ Windgram

ForecastPd	16hrs	17hrs	18hrs	19hrs	20hrs	21hrs	22hrs	23hrs	24hrs	25hrs	26hrs	27hrs	ForecastPd
TIGER_w2	gridpt=	17,18
Lat,Lon=	47.498,-122.021
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	172°	181°	189°	190°	201°	214°	220°	219°	230°	297°	2°	4°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	8	8	7	6	5	4	4	4	2	0	7	7	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	9	8	8	7	5	5	4	5	3	0	7	8	10M_Wind_Sp_Kt
Treetop_WSp_Kt	12	11	10	9	6	6	6	7	4	1	9	10	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	13	12	11	10	7	7	6	7	4	1	11	12	Lev_Abv_WSp_Kt
Up_Velocity fpm	132	196	218	324	289	320	219	164	110	62	44	38	Up_Velocity fpm
cm/s_Convergence	13	13	12	-15	-17	-6	5	7	5	15	-21	-19	cm/s_Convergence
MaxSoar1.1m/s	632	632	632	1945	1734	1809	632	632	632	632	632	632	MaxSoar1.1m/s
MaxSoar_AGL	0	0	0	1313	1102	1177	0	0	0	0	0	0	MaxSoar_AGL
MaxSoar_clds	632	632	632	1803	1734	1809	632	632	632	632	632	632	MaxSoar_clds
Bouy/Shr_Ratio	1	1	2	3	4	5	4	3	3	4	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	1647	2180	2337	3004	2885	2778	2496	1969	1671	1282	907	875	BL_Top_TI=0
BL_Depth_AGL	1015	1548	1705	2372	2253	2146	1864	1338	1039	650	276	243	BL_Depth_AGL
Avg_BLWindSpd	14	12	12	10	7	6	5	6	3	1	9	10	Avg_BLWindSpd
Avg_BlWindDir	171	182	188	191	195	200	217	230	254	316	358	3	Avg_BlWindDir
Wind_Shear	6	6	6	5	3	4	2	2	2	2	4	4	Wind_Shear
BLTop_WdSp	15	14	13	11	7	4	4	3	2	2	11	12	BLTop_WdSp
BLTopWDir	176	189	188	197	192	166	184	235	268	315	357	3	BLTopWDir
CAPE_TSpoten	3	10	14	22	20	23	12	18	1	7	0	0	CAPE_TSpoten
CUbase_LCL	1319	1421	1537	1803	1862	1878	1675	1447	1403	1087	959	969	CUbase_LCL
ODpot_if_cu	176	318	588	956	879	750	885	84	-221	44	-9	-34	ODpot_if_cu
ODbase_allclds	1471	1862	1749	2047	2006	2028	1611	1885	1892	1238	917	910	ODbase_allclds
BL_Cloud_%	100	100	100	100	100	100	100	100	93	97	91	87	BL_Cloud_%
Sfc_Heating	25	56	70	167	125	180	66	37	14	4	3	2	Sfc_Heating
Temp@2m	51.0	52.0	52.7	54.7	55.1	56.1	55.4	54.8	54.1	53.4	50.8	50.1	Temp@2m
DewPt@2m	48.1	48.7	48.8	49.5	49.7	50.5	50.8	51.3	50.9	51.4	49.4	48.7	DewPt@2m
msl_pressure	1010	1010	1010	1010	1010	1009	1009	1008	1008	1008	1008	1008	msl_pressure
1hr_rain_acc	1	1	1	0	0	0	0	0	0	1	1	1	1hr_rain_acc
Hgt_Variab_	745	537	596	313	368	343	525	835	882	787	604	617	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	11:13	11:22	11:45	unlikely	unlikely	unlikely	unlikely
When_sfc_temp=	53.2	53.5	54.2	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=	09:54	11:26	unlikely	unlikely
When_sfc_temp=	51.9	53.6	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