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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: 7/15 | 7/16 | 7/17 | 7/18 | 7/19 | 7/20 | 7/21 | >>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	Tuesday, July 15								Wednesday, July 16
Time					2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)					3	7	6	6	5	5	7	8	11	9	8	8
Direction
Temperature (F)					88	86	82	80	78	76	76	79	85	80	79	77
Model	NAM 12km								NAM 12km
Model Run					07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z
Precipitation (in)
Pressure (mb)					1019	1016	1017	1017	1016	1016	1017	1016	1015	1015	1015	1015
Visibility (mi)
Cloud Cover (%)					60	82	8	21	68	60	100	100	84	100	100	99
Additional Data	Show Additional Data
Date	Thursday, July 17								Friday, July 18
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	7	9	10	13	13	12	10	1	5	5	6	7	4	3	3	6
Direction
Temperature (F)	76	76	77	84	92	94	88	83	82	79	80	85	88	88	86	81
Model	NAM 12km								NAM 12km
Model Run	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z
Precipitation (in)
Pressure (mb)	1014	1013	1014	1013	1012	1011	1012	1013	1013	1014	1016	1017	1016	1016	1016	1017
Visibility (mi)
Cloud Cover (%)	98	100	99	48	15	40	4	72	67	15	3	19	9	22	34	53
Additional Data	Show Additional Data
Date	Saturday, July 19								Sunday, July 20
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	3	3	3	1	3	6	3	3	7	4	2	1	2	2	3	1
Direction
Temperature (F)	71	68	71	82	87	88	80	76	73	71	73	80	83	88	80	76
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z
Precipitation (in)
Pressure (mb)	1018	1018	1019	1019	1017	1016	1016	1016	1015	1014	1014	1015	1013	1012	1012	1013
Visibility (mi)
Cloud Cover (%)					4		4				1		5	5		2
Additional Data	Show Additional Data
Date	Monday, July 21								Tuesday, July 22
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	2	3	3	4	4	5	7	5	4	5	7	8	9	9	8	5
Direction
Temperature (F)	74	73	76	85	78	74	73	70	70	70	70	72	75	74	71	68
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z
Precipitation (in)
Pressure (mb)	1012	1012	1012	1012	1012	1011	1012	1013	1014	1014	1015	1016	1017	1017	1018	1019
Visibility (mi)
Cloud Cover (%)					2	4	1	3	38	70	83	99	70	38	14	3
Additional Data	Show Additional Data
Date	Wednesday, July 23								Thursday, July 24
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	4	4	6	6	6	6	6	6	4	3	3	3	5	7	6	6
Direction
Temperature (F)	66	65	69	77	82	82	76	71	69	69	71	75	84	86	80	75
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z
Precipitation (in)
Pressure (mb)	1019	1019	1020	1020	1019	1018	1018	1018	1018	1017	1018	1018	1017	1015	1015	1015
Visibility (mi)
Cloud Cover (%)	6	7	1		4					2	4		6	2
Additional Data	Show Additional Data
Date	Friday, July 25
Time	2am	5am	8am	11am	2pm
Wind (mph)	6	1	8	6	6
Direction
Temperature (F)	73	72	73	80	90
Model	GFS 0.5 Deg
Model Run	07/15 18z	07/15 18z	07/15 18z	07/15 18z	07/15 18z
Precipitation (in)
Pressure (mb)	1015	1015	1013	1014	1012
Visibility (mi)
Cloud Cover (%)		1			3
Additional Data	Show Additional Data