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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 08:02 PST for Wednesday Iron Windgram

ForecastPd	3hrs	4hrs	5hrs	6hrs	7hrs	8hrs	9hrs	10hrs	11hrs	12hrs	13hrs	14hrs	15hrs	ForecastPd
PNW_d2	gridpt=	27,63
Lat,Lon=	48.480,-121.940
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	259°	258°	256°	258°	259°	257°	257°	255°	252°	241°	238°	225°	213°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	18	19	18	17	16	16	15	14	13	9	9	8	11	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	20	20	20	19	17	17	17	16	14	10	10	9	12	10M_Wind_Sp_Kt
Treetop_WSp_Kt	28	29	28	26	24	24	23	22	19	14	14	13	17	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	35	36	35	31	29	28	27	26	22	18	17	16	21	Lev_Abv_WSp_Kt
Up_Velocity fpm	154	143	149	175	235	253	250	251	150	0	108	99	92	Up_Velocity fpm
cm/s_Convergence	-26	-32	-39	-37	-34	-40	-49	-42	-40	-17	-43	-64	-111	cm/s_Convergence
MaxSoar1.1m/s	2262	2262	2262	2262	3172	3444	3372	3343	2262	2262	2262	2262	2262	MaxSoar1.1m/s
MaxSoar_AGL	0	0	0	0	910	1182	1110	1081	0	0	0	0	0	MaxSoar_AGL
MaxSoar_clds	2262	2262	2262	2262	3172	3268	3238	3343	2262	2262	2262	2262	2262	MaxSoar_clds
Bouy/Shr_Ratio	0	0	0	0	1	1	1	1	1	0	0	1	0	Bouy/Shr_Ratio
BL_Top_TI=0	3685	3665	4166	4704	5499	5372	5288	5156	4269	2287	3809	3173	3084	BL_Top_TI=0
BL_Depth_AGL	1423	1403	1904	2442	3237	3110	3027	2894	2008	25	1547	911	822	BL_Depth_AGL
Avg_BLWindSpd	41	42	41	37	34	34	33	30	26	9	21	18	23	Avg_BLWindSpd
Avg_BlWindDir	264	263	264	265	265	260	260	260	256	241	245	221	213	Avg_BlWindDir
Wind_Shear	30	30	29	25	23	21	21	20	18	0	18	13	16	Wind_Shear
BLTop_WdSp	48	48	47	41	38	37	36	34	30	9	27	22	27	BLTop_WdSp
BLTopWDir	268	268	271	273	272	266	265	268	264	241	254	221	214	BLTopWDir
CAPE_TSpoten	244	263	222	244	207	159	141	148	96	67	79	87	64	CAPE_TSpoten
CUbase_LCL	2765	2817	2933	3059	3240	3268	3238	3371	3322	3092	3210	3091	3237	CUbase_LCL
ODpot_if_cu	630	734	352	1028	1518	1504	1448	883	349	-640	74	-168	-546	ODpot_if_cu
ODbase_allclds	3055	2931	3813	3675	3981	3868	3840	4272	3920	2927	3735	3341	3630	ODbase_allclds
BL_Cloud_%	100	95	96	100	100	89	83	68	63	50	76	80	63	BL_Cloud_%
Sfc_Heating	32	26	22	28	50	65	64	68	21	-19	10	13	12	Sfc_Heating
Temp@2m	34.6	34.8	35.3	35.8	36.5	36.6	36.7	37.0	36.4	35.4	36.4	36.5	37.0	Temp@2m
DewPt@2m	32.2	32.3	32.2	32.2	32.0	32.0	32.3	32.0	31.6	31.9	32.2	32.7	32.6	DewPt@2m
msl_pressure	1003	1005	1007	1009	1009	1010	1011	1012	1013	1014	1014	1014	1015	msl_pressure
1hr_rain_acc	0	0	0	0	0	0	0	0	0	0	0	1	1	1hr_rain_acc
Hgt_Variab_	2721	2549	2167	2021	1479	1186	1197	1569	1565	2398	1570	1128	1105	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	10:19	10:32	11:19	unlikely	unlikely	unlikely	unlikely
When_sfc_temp=	36.0	36.2	36.5	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=	08:11	09:10	10:04	10:42
When_sfc_temp=	34.9	35.4	35.9	36.3

* 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