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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: Tomorrow's Briefing Extended Discussion

Computer Model Data: 9/12 | 9/13 | 9/14 | 9/15 | 9/16 | 9/17 | 9/18 | >>Wind Obs Map<<

John Day Dam Computer Forecast Table - Meteogram

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Quick Look
More Hours

NAM 12km

GFS 0.5 Deg

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Date	Saturday, September 12								Sunday, September 13
Time						5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)						12	10	5	10	14	11	14	18	18	18	16
Direction
Temperature (F)						69	55	53	52	49	50	56	60	57	53	50
Model	NAM 12km								NAM 12km
Model Run						09/13 00z	09/13 00z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z
Precipitation (in)
Pressure (mb)						1009	1012	1012	1013	1013	1014	1015	1015	1016	1017	1018
Visibility (mi)
Cloud Cover (%)						66	100	100	83	50	45	91	100	100	42	49
Additional Data	Show Additional Data
Date	Monday, September 14								Tuesday, September 15
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	16	15	12	13	11	9	6	5	2	2	1	1	2	1	2	1
Direction
Temperature (F)	50	48	48	57	63	64	56	50	54	52	54	63	68	69	61	58
Model	NAM 12km								GFS 0.5 Deg
Model Run	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z
Precipitation (in)
Pressure (mb)	1019	1020	1021	1021	1019	1017	1018	1018	1016	1017	1017	1017	1015	1014	1015	1017
Visibility (mi)
Cloud Cover (%)	57	48	60	16		7		11
Additional Data	Show Additional Data
Date	Wednesday, September 16								Thursday, September 17
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	3	2	2	3	6	7	5	2	3	3	3	6	7	7	4	1
Direction
Temperature (F)	56	54	58	68	74	75	65	62	59	57	61	72	78	79	68	65
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z
Precipitation (in)
Pressure (mb)	1018	1019	1020	1020	1019	1018	1019	1019	1019	1020	1021	1020	1019	1017	1018	1019
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Friday, September 18								Saturday, September 19
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	2	2	2	4	4	3	1	3	3	2	3	5	10	13	11	10
Direction
Temperature (F)	62	60	64	75	82	82	71	68	65	62	64	74	80	76	64	59
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z
Precipitation (in)
Pressure (mb)	1018	1018	1019	1018	1016	1014	1015	1015	1015	1015	1015	1014	1012	1012	1014	1014
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Sunday, September 20								Monday, September 21
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	9	8	7	8	12	13	8	6	4	2	2	1	1	1	1	3
Direction
Temperature (F)	57	53	54	64	71	70	60	56	53	51	53	63	68	69	61	60
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z	09/12 18z
Precipitation (in)
Pressure (mb)	1015	1016	1017	1017	1015	1015	1017	1018	1019	1020	1020	1020	1017	1015	1016	1015
Visibility (mi)
Cloud Cover (%)		1	4
Additional Data	Show Additional Data
Date	Tuesday, September 22
Time	2am	5am	8am	11am
Wind (mph)	4	4	4	6
Direction
Temperature (F)	57	54	56	66
Model	GFS 0.5 Deg
Model Run	09/12 18z	09/12 18z	09/12 18z	09/12 18z
Precipitation (in)
Pressure (mb)	1014	1014	1015	1014
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data