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

Human Meteorologist Forecasts: Tomorrow's Briefing

Computer Model Data: 7/18 | 7/19 | 7/20 | 7/21 | 7/22 | 7/23 | 7/24 | >>Wind Obs Map<<

Ronald Reagan Washington National Computer Forecast Table - Meteogram

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NAM 12km

GFS 0.5 Deg

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Date	Friday, July 18								Saturday, July 19
Time					2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)					0	2	3	5	4	4	4	5	7	5	4	3
Direction
Temperature (F)					90	89	85	81	79	77	78	79	80	84	81	79
Model	NAM 12km								NAM 12km
Model Run					07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z
Precipitation (in)
Pressure (mb)					1019	1016	1017	1017	1017	1016	1016	1016	1016	1014	1014	1014
Visibility (mi)
Cloud Cover (%)						90	52	60	16	24	90	70	88	98	4	41
Additional Data	Show Additional Data
Date	Sunday, July 20								Monday, July 21
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	4	3	3	6	8	10	6	7	7	7	6	7	6	7	4	5
Direction
Temperature (F)	78	76	77	85	84	89	86	81	76	73	72	79	83	83	80	75
Model	NAM 12km								NAM 12km
Model Run	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z
Precipitation (in)
Pressure (mb)	1012	1012	1012	1012	1010	1009	1010	1011	1012	1013	1015	1015	1015	1014	1015	1016
Visibility (mi)
Cloud Cover (%)	56	32	64	45	28	64				68	76	2		3	57	7
Additional Data	Show Additional Data
Date	Tuesday, July 22								Wednesday, July 23
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	7	6	6	5	5	5	3	3	1	2	2	6	6	8	8	8
Direction
Temperature (F)	67	63	65	75	80	81	72	68	65	64	70	79	82	81	76	71
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z
Precipitation (in)
Pressure (mb)	1018	1019	1020	1021	1020	1019	1021	1022	1022	1024	1024	1024	1023	1022	1021	1022
Visibility (mi)
Cloud Cover (%)												36	2
Additional Data	Show Additional Data
Date	Thursday, July 24								Friday, July 25
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	7	6	8	9	8	7	6	7	5	4	4	6	8	3	1	4
Direction
Temperature (F)	69	66	70	81	90	92	84	79	75	73	77	86	90	90	84	77
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z
Precipitation (in)
Pressure (mb)	1022	1021	1021	1019	1017	1015	1015	1015	1015	1015	1016	1016	1015	1013	1013	1014
Visibility (mi)
Cloud Cover (%)													4
Additional Data	Show Additional Data
Date	Saturday, July 26								Sunday, July 27
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	1	2	3	5	7	7	3	5	5	3	3	5	2	7	9	8
Direction
Temperature (F)	76	74	78	89	95	91	82	74	75	74	75	75	88	76	69	67
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z
Precipitation (in)
Pressure (mb)	1012	1012	1013	1012	1010	1010	1011	1011	1010	1009	1011	1011	1010	1010	1013	1015
Visibility (mi)
Cloud Cover (%)							7					2	4	1	6	85
Additional Data	Show Additional Data
Date	Monday, July 28
Time	2am	5am	8am	11am	2pm
Wind (mph)	6	6	6	6	6
Direction
Temperature (F)	66	66	66	76	81
Model	GFS 0.5 Deg
Model Run	07/18 18z	07/18 18z	07/18 18z	07/18 18z	07/18 18z
Precipitation (in)
Pressure (mb)	1015	1016	1017	1017	1017
Visibility (mi)
Cloud Cover (%)	90	34	19		18
Additional Data	Show Additional Data