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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 08:04 PST for Wednesday Arlington Windgram

ForecastPd	3hrs	4hrs	5hrs	6hrs	7hrs	8hrs	9hrs	10hrs	11hrs	12hrs	13hrs	14hrs	15hrs	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	263°	256°	245°	216°	216°	235°	227°	227°	214°	200°	200°	194°	173°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	8	8	7	6	6	6	7	6	6	6	6	6	6	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	9	9	8	6	7	7	7	7	7	6	7	6	7	10M_Wind_Sp_Kt
Treetop_WSp_Kt	13	13	12	9	10	10	10	10	9	9	10	9	10	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	18	18	16	11	12	11	12	12	11	11	14	14	14	Lev_Abv_WSp_Kt
Up_Velocity fpm	0	0	0	159	210	277	300	246	133	70	55	45	0	Up_Velocity fpm
cm/s_Convergence	2	0	0	39	20	28	27	25	5	-2	-2	-1	0	cm/s_Convergence
MaxSoar1.1m/s	204	204	204	204	204	1804	1919	1290	204	204	204	204	204	MaxSoar1.1m/s
MaxSoar_AGL	0	0	0	0	0	1600	1715	1086	0	0	0	0	0	MaxSoar_AGL
MaxSoar_clds	204	204	204	204	204	1804	1919	1290	204	204	204	204	204	MaxSoar_clds
Bouy/Shr_Ratio	0	0	0	1	1	1	2	2	1	1	0	0	0	Bouy/Shr_Ratio
BL_Top_TI=0	229	229	229	1724	3105	3695	3552	3302	1534	646	566	455	230	BL_Top_TI=0
BL_Depth_AGL	26	26	26	1520	2901	3491	3348	3098	1331	442	362	251	26	BL_Depth_AGL
Avg_BLWindSpd	8	8	7	14	14	17	15	14	12	11	12	10	6	Avg_BLWindSpd
Avg_BlWindDir	263	256	245	243	245	259	254	246	222	206	206	199	173	Avg_BlWindDir
Wind_Shear	0	0	0	19	24	25	24	19	10	9	9	8	0	Wind_Shear
BLTop_WdSp	8	8	7	22	27	30	28	23	16	15	15	14	6	BLTop_WdSp
BLTopWDir	263	256	245	263	272	274	276	272	231	211	210	203	173	BLTopWDir
CAPE_TSpoten	94	86	133	216	212	126	183	102	142	71	82	15	27	CAPE_TSpoten
CUbase_LCL	1694	1650	1764	2059	2356	2674	2333	2593	1971	1568	1699	1485	1600	CUbase_LCL
ODpot_if_cu	-2546	-2480	-2419	-442	953	598	756	742	-871	-1349	-1918	-1408	-2378	ODpot_if_cu
ODbase_allclds	2775	2709	2649	2166	2152	3097	2796	2560	2405	1995	2484	1863	2607	ODbase_allclds
BL_Cloud_%	14	0	0	49	100	84	100	90	44	31	19	34	0	BL_Cloud_%
Sfc_Heating	-38	-40	-18	34	41	77	102	61	23	10	6	5	-10	Sfc_Heating
Temp@2m	41.7	41.7	42.6	44.8	45.9	47.0	46.7	46.6	45.7	44.6	44.5	44.3	44.0	Temp@2m
DewPt@2m	35.6	35.8	35.9	36.4	36.1	35.7	36.8	35.7	37.7	38.5	37.9	38.6	37.9	DewPt@2m
msl_pressure	1006	1008	1009	1011	1012	1012	1013	1014	1015	1015	1016	1016	1016	msl_pressure
1hr_rain_acc	0	0	0	0	0	0	0	0	0	0	0	0	0	1hr_rain_acc
Hgt_Variab_	613	491	665	1232	946	1500	967	1049	2356	2309	1649	1154	1171	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	11:11	11:18	11:37	11:56	unlikely	unlikely	unlikely
When_sfc_temp=	46.1	46.2	46.6	46.9	unlikely	unlikely	unlikely

TRIGGER_TIME	&	SURFACE_(2m)	TEMPERATURE
(+++	=	before_first_time,	unlikely	=	not_found)
AGL_Lift_to=	1500	2000	2500	3000
by=	11:56	unlikely	unlikely	unlikely
When_sfc_temp=	46.9	unlikely	unlikely	unlikely
BL_Depth_AGL_=	1500	2000	2500	3000
by=	09:59	10:20	10:42	11:10
When_sfc_temp=	44.8	45.2	45.6	46.1

* 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