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Home : xt_USA : xt_California : CA- san francisco : CA- sf north bay : Alcatraz : Forecast Graphs

Human Meteorologist Forecasts: Today's Briefing Extended Discussion

Computer Model Data: 4/23 | 4/24 | 4/25 | 4/26 | 4/27 | 4/28 | 4/29 | >>Wind Obs Map<<

Alcatraz Computer Forecast Table - Meteogram

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Date	Tuesday, April 23								Wednesday, April 24
Time		5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)		9	8	8	10	10	7	6	5	4	3	5	9	10	8	7
Direction
Temperature (F)		56	55	56	57	56	54	53	53	52	52	54	55	54	53	51
Model	NAM 12km								NAM 12km
Model Run		04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z
Precipitation (in)
Pressure (mb)		1012	1013	1015	1016	1015	1016	1018	1018	1018	1019	1019	1019	1018	1018	1020
Visibility (mi)
Cloud Cover (%)		100	47	51	48	40	40	64	84	99	86	28	41	35	51	41
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)	6	6	8	9	11	12	8	8	6	8	11	13	17	19	14	11
Direction
Temperature (F)	48	48	48	51	54	54	52	53	52	53	53	58	59	57	53	51
Model	NAM 12km								GFS 0.5 Deg
Model Run	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z
Precipitation (in)
Pressure (mb)	1020	1019	1020	1021	1021	1021	1021	1021	1018	1016	1017	1017	1015	1013	1013	1014
Visibility (mi)
Cloud Cover (%)	100	100	100	100	83	76	100	100	45	7		9	1
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)	8	7	4	3	9	12	11	8	8	6	6	9	12	12	10	10
Direction
Temperature (F)	49	48	50	56	59	58	53	51	50	50	53	59	61	59	53	50
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z
Precipitation (in)
Pressure (mb)	1014	1015	1016	1016	1016	1015	1016	1017	1017	1017	1019	1019	1018	1018	1018	1019
Visibility (mi)
Cloud Cover (%)											6	4
Additional Data	Show Additional Data
Date	Monday, April 29								Tuesday, April 30
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	10	10	10	11	13	16	15	13	14	13	14	12	17	19	14	12
Direction
Temperature (F)	49	48	51	57	60	56	51	49	49	48	49	56	59	56	52	48
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z
Precipitation (in)
Pressure (mb)	1019	1019	1019	1019	1017	1016	1016	1016	1016	1016	1017	1018	1017	1017	1017	1018
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Wednesday, May 01								Thursday, May 02
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	10	7	7	3	4	13	10	8	8	7	6	3	7	14	9	7
Direction
Temperature (F)	47	45	48	54	58	58	52	49	47	46	48	52	56	55	51	50
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z	04/23 12z
Precipitation (in)
Pressure (mb)	1018	1018	1019	1018	1017	1016	1016	1017	1016	1016	1017	1017	1015	1015	1014	1013
Visibility (mi)
Cloud Cover (%)												6	12	13	5
Additional Data	Show Additional Data
Date	Friday, May 03
Time	2am	5am
Wind (mph)	6	5
Direction
Temperature (F)	51	50
Model	GFS 0.5 Deg
Model Run	04/23 12z	04/23 12z
Precipitation (in)
Pressure (mb)	1013	1012
Visibility (mi)
Cloud Cover (%)	30	31
Additional Data	Show Additional Data