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Home : xt_USA : xt_ East Coast USA : xt_Atl_chesapeake : MD - chesapeake : RRW National Airport : Forecast Graphs

Human Meteorologist Forecasts: Today's Briefing Extended Discussion

Computer Model Data: 8/29 | 8/30 | 8/31 | 9/01 | 9/02 | 9/03 | 9/04 | >>Wind Obs Map<<

Ronald Reagan Washington National Computer Forecast Table - Meteogram

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More Hours

NAM 12km

GFS 0.5 Deg

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Date	Friday, August 29								Saturday, August 30
Time			8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)			3	9	12	11	11	8	6	6	5	5	5	4	1	2
Direction
Temperature (F)			67	75	78	78	72	67	64	61	60	68	74	75	72	69
Model	NAM 12km								NAM 12km
Model Run			08/29 12z	08/29 12z	08/29 12z	08/29 12z	08/29 12z	08/29 12z	08/29 12z	08/29 12z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z
Precipitation (in)
Pressure (mb)			1017	1016	1015	1015	1016	1017	1018	1018	1020	1021	1020	1018	1019	1021
Visibility (mi)
Cloud Cover (%)			20		100	17	5	27	99	38	1				11	21
Additional Data	Show Additional Data
Date	Sunday, August 31								Monday, September 01
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	2	3	3	5	3	2	3	2	2	3	3	8	10	9	7	5
Direction
Temperature (F)	66	62	64	72	75	75	72	69	63	62	64	74	78	79	70	64
Model	NAM 12km								GFS 0.5 Deg
Model Run	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z
Precipitation (in)
Pressure (mb)	1022	1022	1024	1024	1024	1023	1023	1024	1023	1023	1024	1024	1023	1021	1022	1022
Visibility (mi)
Cloud Cover (%)			72	100	54	58	40	27
Additional Data	Show Additional Data
Date	Tuesday, September 02								Wednesday, September 03
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	3	3	4	6	7	5	3	4	4	3	2	6	7	8	6	5
Direction
Temperature (F)	61	59	62	73	78	78	70	66	62	61	64	74	80	78	70	69
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z
Precipitation (in)
Pressure (mb)	1022	1021	1022	1021	1019	1017	1018	1018	1017	1017	1017	1017	1014	1013	1013	1012
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Thursday, September 04								Friday, September 05
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	5	0	3	5	5	5	6	9	7	7	6	8	8	8	2	2
Direction
Temperature (F)	67	65	66	77	78	69	66	63	60	59	59	68	75	77	67	62
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z
Precipitation (in)
Pressure (mb)	1012	1010	1010	1010	1008	1008	1010	1012	1012	1012	1014	1015	1014	1014	1016	1018
Visibility (mi)
Cloud Cover (%)	2	1	2	52	6	13	2	2		2
Additional Data	Show Additional Data
Date	Saturday, September 06								Sunday, September 07
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	2	2	2	5	6	4	6	6	5	4	3	2	2	2	5	4
Direction
Temperature (F)	60	58	62	76	83	85	74	69	65	63	66	80	88	87	75	71
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z	08/29 06z
Precipitation (in)
Pressure (mb)	1019	1021	1022	1023	1022	1020	1021	1022	1023	1023	1024	1025	1024	1023	1024	1026
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Monday, September 08
Time	2am
Wind (mph)	3
Direction
Temperature (F)	69
Model	GFS 0.5 Deg
Model Run	08/29 06z
Precipitation (in)
Pressure (mb)	1026
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data