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John Day Dam
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Home : xt_USA : xt_ Pacific_NW : OR- Columbia River : John Day Dam : Forecast Graphs

Human Meteorologist Forecasts: Today's Briefing Extended Discussion

Computer Model Data: 9/15 | 9/16 | 9/17 | 9/18 | 9/19 | 9/20 | 9/21 | >>Wind Obs Map<<

John Day Dam Computer Forecast Table - Meteogram

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More Hours

NAM 12km

GFS 0.5 Deg

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Date	Monday, September 15								Tuesday, September 16
Time		5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)		4	4	4	2	7	5	7	8	7	6	11	12	12	6	6
Direction
Temperature (F)		42	46	60	70	72	63	58	56	54	56	71	79	81	69	66
Model	NAM 12km								NAM 12km
Model Run		09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z
Precipitation (in)
Pressure (mb)		1021	1022	1021	1019	1018	1019	1020	1020	1020	1020	1020	1018	1016	1016	1017
Visibility (mi)
Cloud Cover (%)		8
Additional Data	Show Additional Data
Date	Wednesday, September 17								Thursday, September 18
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	4	2	2	1	2	4	6	6	3	3	2	1	3	2	2	3
Direction
Temperature (F)	64	61	60	76	84	84	70	63	64	61	64	75	82	82	72	68
Model	NAM 12km								GFS 0.5 Deg
Model Run	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z
Precipitation (in)
Pressure (mb)	1017	1017	1018	1017	1016	1014	1015	1016	1013	1012	1013	1012	1009	1008	1008	1009
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Friday, September 19								Saturday, September 20
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	3	3	3	4	5	9	8	8	8	8	11	14	20	18	13	10
Direction
Temperature (F)	65	65	66	75	81	80	70	66	64	62	60	68	72	66	59	58
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z
Precipitation (in)
Pressure (mb)	1009	1009	1009	1008	1007	1006	1007	1008	1009	1010	1011	1011	1011	1011	1013	1014
Visibility (mi)
Cloud Cover (%)																2
Additional Data	Show Additional Data
Date	Sunday, September 21								Monday, September 22
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	10	10	9	14	16	15	14	11	9	10	6	10	11	12	8	7
Direction
Temperature (F)	56	56	57	62	62	60	59	56	52	50	51	62	67	67	59	57
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z
Precipitation (in)
Pressure (mb)	1014	1014	1014	1014	1012	1011	1011	1013	1015	1016	1017	1016	1014	1012	1013	1013
Visibility (mi)
Cloud Cover (%)	15	14	27	19	21	27	20	8	1	1
Additional Data	Show Additional Data
Date	Tuesday, September 23								Wednesday, September 24
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	6	6	5	8	9	9	4	4	3	3	1	2	2	11	18	17
Direction
Temperature (F)	56	55	57	69	77	77	66	63	60	58	61	72	80	81	64	56
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z	09/15 12z
Precipitation (in)
Pressure (mb)	1013	1013	1014	1013	1010	1009	1010	1011	1010	1009	1009	1006	1002	999	1001	1003
Visibility (mi)
Cloud Cover (%)																3
Additional Data	Show Additional Data
Date	Thursday, September 25
Time	2am	5am
Wind (mph)	22	21
Direction
Temperature (F)	53	52
Model	GFS 0.5 Deg
Model Run	09/15 12z	09/15 12z
Precipitation (in)
Pressure (mb)	1007	1008
Visibility (mi)
Cloud Cover (%)	2	12
Additional Data	Show Additional Data