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

Human Meteorologist Forecasts: Today's Briefing Extended Discussion

Computer Model Data: 4/19 | 4/20 | 4/21 | 4/22 | 4/23 | 4/24 | 4/25 | >>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	Friday, April 19								Saturday, April 20
Time				11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)				10	14	13	8	9	8	5	5	7	8	10	19	17
Direction
Temperature (F)				54	58	59	48	42	42	39	43	54	60	59	46	40
Model	NAM 12km								NAM 12km
Model Run				04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)				1023	1021	1019	1019	1019	1019	1019	1020	1018	1016	1016	1020	1024
Visibility (mi)
Cloud Cover (%)									11	30	3		2	67	58	6
Additional Data	Show Additional Data
Date	Sunday, April 21								Monday, April 22
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	12	11	13	13	13	13	7	4	2	2	2	5	8	8	5	3
Direction
Temperature (F)	36	34	39	47	52	52	43	36	37	35	42	51	58	58	48	45
Model	NAM 12km								GFS 0.5 Deg
Model Run	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)	1027	1029	1030	1029	1027	1025	1024	1025	1022	1022	1022	1020	1017	1015	1014	1015
Visibility (mi)
Cloud Cover (%)	42	43	36	38	4	3	4	12
Additional Data	Show Additional Data
Date	Tuesday, April 23								Wednesday, April 24
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	2	2	2	2	2	6	7	6	5	6	6	11	12	19	12	8
Direction
Temperature (F)	44	42	49	56	62	64	53	49	46	43	47	51	56	55	46	43
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)	1014	1013	1013	1012	1011	1010	1011	1013	1013	1014	1014	1014	1012	1011	1013	1014
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Thursday, April 25								Friday, April 26
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	7	5	5	4	4	3	4	5	4	4	7	10	13	14	12	7
Direction
Temperature (F)	42	41	42	42	44	42	40	39	40	40	40	40	48	53	45	40
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)	1013	1013	1012	1011	1010	1009	1009	1010	1010	1011	1012	1014	1013	1012	1013	1015
Visibility (mi)
Cloud Cover (%)	1	2	71	91	70	92	99	83	80	61	82	98	5
Additional Data	Show Additional Data
Date	Saturday, April 27								Sunday, April 28
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	6	4	5	7	6	10	6	6	12	11	13	18	20	16	14	14
Direction
Temperature (F)	38	36	42	49	56	55	45	42	42	39	42	45	45	42	39	38
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)	1015	1015	1014	1013	1010	1009	1010	1010	1011	1011	1011	1011	1011	1011	1012	1012
Visibility (mi)
Cloud Cover (%)			1				7	14	14	17	27	24	24	52	36	21
Additional Data	Show Additional Data
Date	Monday, April 29
Time	2am	5am	8am	11am
Wind (mph)	10	8	7	9
Direction
Temperature (F)	37	36	38	43
Model	GFS 0.5 Deg
Model Run	04/19 18z	04/19 18z	04/19 18z	04/19 18z
Precipitation (in)
Pressure (mb)	1013	1013	1014	1014
Visibility (mi)
Cloud Cover (%)	35	40	42	22
Additional Data	Show Additional Data