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

from TJ's RASP forecasts BLIPSPOT: 17 Dec 2025 → Dec 17 08:07 PST for Wednesday Sumas Windgram

ForecastPd	3hrs	4hrs	5hrs	6hrs	7hrs	8hrs	9hrs	10hrs	11hrs	12hrs	13hrs	14hrs	15hrs	ForecastPd
PNW_d2	gridpt=	22,75
Lat,Lon=	48.921,-122.229
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	238°	244°	245°	240°	238°	241°	238°	236°	227°	205°	195°	206°	198°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	11	11	11	12	12	12	12	11	11	9	9	9	10	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	12	12	12	13	14	13	13	12	12	10	10	10	11	10M_Wind_Sp_Kt
Treetop_WSp_Kt	17	18	18	17	19	19	18	17	16	15	14	14	15	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	22	22	22	21	22	22	21	20	19	18	18	17	19	Lev_Abv_WSp_Kt
Up_Velocity fpm	69	70	109	163	219	227	230	202	172	0	49	97	94	Up_Velocity fpm
cm/s_Convergence	-16	-14	-19	-28	-28	-25	-29	-31	-30	-13	-35	-23	-36	cm/s_Convergence
MaxSoar1.1m/s	1481	1481	1481	1481	1481	2124	2289	1481	1481	1481	1481	1481	1481	MaxSoar1.1m/s
MaxSoar_AGL	0	0	0	0	0	643	808	0	0	0	0	0	0	MaxSoar_AGL
MaxSoar_clds	1481	1481	1481	1481	1481	2124	2289	1481	1481	1481	1481	1481	1481	MaxSoar_clds
Bouy/Shr_Ratio	0	0	0	1	1	1	1	1	1	0	0	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	2104	2185	3500	4140	4845	4867	4849	4588	4620	1506	2046	2500	2421	BL_Top_TI=0
BL_Depth_AGL	624	704	2019	2659	3364	3386	3369	3108	3139	25	565	1019	940	BL_Depth_AGL
Avg_BLWindSpd	23	24	28	27	26	25	25	23	22	9	18	20	20	Avg_BLWindSpd
Avg_BlWindDir	242	247	254	251	249	247	244	241	235	205	201	212	203	Avg_BlWindDir
Wind_Shear	19	20	22	21	20	17	17	15	15	0	13	16	15	Wind_Shear
BLTop_WdSp	30	31	33	32	30	28	28	26	25	9	22	25	25	BLTop_WdSp
BLTopWDir	246	251	260	262	264	259	256	251	249	205	204	218	210	BLTopWDir
CAPE_TSpoten	235	210	268	251	193	223	246	183	191	137	115	136	80	CAPE_TSpoten
CUbase_LCL	2769	2741	2728	2738	2824	2940	3064	3154	2992	2545	2201	2122	2269	CUbase_LCL
ODpot_if_cu	-744	-708	767	912	1153	1222	1260	941	918	-1134	-212	209	-299	ODpot_if_cu
ODbase_allclds	2849	2892	2733	3227	3691	3645	3589	3648	3702	2640	2258	2290	2719	ODbase_allclds
BL_Cloud_%	38	46	98	100	100	100	100	99	99	37	76	93	86	BL_Cloud_%
Sfc_Heating	6	6	8	21	39	43	45	33	21	-7	3	11	11	Sfc_Heating
Temp@2m	38.1	38.3	38.8	39.2	39.8	40.0	40.4	40.5	40.2	39.2	38.6	39.1	39.1	Temp@2m
DewPt@2m	32.3	32.7	33.2	33.5	33.7	33.5	33.3	33.0	33.4	34.5	35.4	36.1	35.5	DewPt@2m
msl_pressure	1003	1005	1006	1008	1009	1010	1011	1012	1013	1013	1013	1014	1014	msl_pressure
1hr_rain_acc	0	0	0	0	0	0	0	0	0	0	0	1	2	1hr_rain_acc
Hgt_Variab_	3055	2855	1823	1714	1333	1469	1645	1882	1360	3018	1630	1347	1401	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	11:27	11:46	unlikely	unlikely	unlikely	unlikely	unlikely
When_sfc_temp=	39.9	40.0	unlikely	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=	08:36	08:59	09:45	10:29
When_sfc_temp=	38.6	38.8	39.1	39.5

* 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