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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 Stewart Windgram

ForecastPd	3hrs	4hrs	5hrs	6hrs	7hrs	8hrs	9hrs	10hrs	11hrs	12hrs	13hrs	14hrs	15hrs	ForecastPd
PNW_d2	gridpt=	21,71
Lat,Lon=	48.770,-122.270
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	247°	249°	246°	242°	242°	240°	241°	238°	227°	204°	197°	195°	191°	10M_Wind_Dir
Sfc_Wind_Sp_Kt	11	11	10	10	11	11	10	10	9	8	8	8	9	Sfc_Wind_Sp_Kt
10M_Wind_Sp_Kt	12	12	11	11	12	12	11	11	10	9	8	9	10	10M_Wind_Sp_Kt
Treetop_WSp_Kt	17	16	16	16	17	16	16	15	14	13	12	12	14	Treetop_WSp_Kt
Lev_Abv_WSp_Kt	21	20	19	19	20	20	19	18	17	16	15	15	17	Lev_Abv_WSp_Kt
Up_Velocity fpm	125	115	118	160	227	231	224	229	154	0	10	108	83	Up_Velocity fpm
cm/s_Convergence	-38	-27	-24	-29	-44	-35	-30	-31	-26	-10	-25	-19	-29	cm/s_Convergence
MaxSoar1.1m/s	1447	1447	1447	1447	2060	2217	1447	2205	1447	1447	1447	1447	1447	MaxSoar1.1m/s
MaxSoar_AGL	0	0	0	0	612	769	0	758	0	0	0	0	0	MaxSoar_AGL
MaxSoar_clds	1447	1447	1447	1447	2060	2217	1447	2205	1447	1447	1447	1447	1447	MaxSoar_clds
Bouy/Shr_Ratio	0	0	0	1	1	1	1	1	1	0	0	1	0	Bouy/Shr_Ratio
BL_Top_TI=0	3372	3080	3094	3500	4627	4541	4263	4741	3642	1473	1887	2517	2117	BL_Top_TI=0
BL_Depth_AGL	1924	1632	1647	2053	3179	3093	2816	3294	2194	25	440	1069	669	BL_Depth_AGL
Avg_BLWindSpd	28	26	24	23	24	23	22	22	19	8	14	17	18	Avg_BLWindSpd
Avg_BlWindDir	256	256	254	251	254	250	247	247	233	204	202	201	194	Avg_BlWindDir
Wind_Shear	25	23	21	19	20	18	16	16	13	0	10	13	14	Wind_Shear
BLTop_WdSp	35	33	31	29	30	28	26	25	21	8	18	21	23	BLTop_WdSp
BLTopWDir	263	262	261	260	267	263	256	260	244	204	206	208	195	BLTopWDir
CAPE_TSpoten	312	292	319	287	233	223	4	230	140	141	110	72	36	CAPE_TSpoten
CUbase_LCL	2475	2406	2346	2453	2740	2809	2967	3014	2744	2144	1930	1938	2152	CUbase_LCL
ODpot_if_cu	493	690	593	516	1598	839	1153	1183	828	-856	-151	626	-543	ODpot_if_cu
ODbase_allclds	2879	2390	2502	2984	3029	3702	3110	3558	2814	2329	2038	1891	2660	ODbase_allclds
BL_Cloud_%	99	93	100	100	99	98	100	99	100	59	96	100	81	BL_Cloud_%
Sfc_Heating	13	12	13	26	46	50	50	46	21	-16	0	15	11	Sfc_Heating
Temp@2m	38.6	38.8	39.0	39.4	40.0	40.2	40.5	40.6	40.0	38.4	38.4	38.5	38.8	Temp@2m
DewPt@2m	34.0	34.5	34.9	34.8	34.1	33.9	33.6	33.5	34.1	35.5	36.2	36.2	35.6	DewPt@2m
msl_pressure	1003	1005	1007	1008	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_	2570	1927	1895	2240	1466	1529	1977	1311	1687	2185	1300	693	1204	Hgt_Variab

Trigger_Time	& 2m Sfc	Temp	For_times:	+++=earlier		unlikely	=not_found)
MaxSoarAGL_=	300	500	1000	1500	2000	2500	3000
by=	10:29	10:49	unlikely	unlikely	unlikely	unlikely	unlikely
When_sfc_temp=	39.7	39.9	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=	+++	09:52	10:23	10:50
When_sfc_temp=	+++	39.3	39.6	39.9

* 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