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

Human Meteorologist Forecasts: Today's Briefing Extended Discussion

Computer Model Data: 4/22 | 4/23 | 4/24 | 4/25 | 4/26 | 4/27 | 4/28 | >>Wind Obs Map<<

Alcatraz Computer Forecast Table - Meteogram

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Date	Wednesday, April 22								Thursday, April 23
Time				11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)				7	6	5	5	4	3	2	1	3	8	8	6	6
Direction
Temperature (F)				56	58	58	58	56	54	52	50	52	55	57	53	50
Model	NAM 12km								NAM 12km
Model Run				04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z
Precipitation (in)
Pressure (mb)				1022	1023	1021	1021	1022	1021	1021	1020	1020	1019	1017	1016	1016
Visibility (mi)
Cloud Cover (%)				94	43	31	18	10	18	62	100	99	74	57	71	100
Additional Data	Show Additional Data
Date	Friday, April 24								Saturday, April 25
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	6	4	6	6	8	10	9	10	6	5	6	8	11	12	8	6
Direction
Temperature (F)	50	50	50	51	54	54	54	52	50	50	53	56	58	57	53	52
Model	NAM 12km								GFS 0.5 Deg
Model Run	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z
Precipitation (in)
Pressure (mb)	1015	1014	1014	1014	1014	1013	1012	1012	1011	1011	1011	1011	1010	1009	1009	1010
Visibility (mi)
Cloud Cover (%)	100	100	100	100	92	79	95	100		13	31	56	7	2	2	2
Additional Data	Show Additional Data
Date	Sunday, April 26								Monday, April 27
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	5	4	3	4	8	9	6	5	4	2	2	2	7	9	7	5
Direction
Temperature (F)	51	52	53	55	58	58	54	52	51	50	52	58	60	59	55	53
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z
Precipitation (in)
Pressure (mb)	1010	1010	1012	1013	1013	1013	1014	1015	1016	1016	1017	1017	1016	1016	1016	1016
Visibility (mi)
Cloud Cover (%)	3	4	4	3	6	2						1
Additional Data	Show Additional Data
Date	Tuesday, April 28								Wednesday, April 29
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	4	3	3	3	9	11	8	7	9	10	6	5	7	12	9	8
Direction
Temperature (F)	52	52	54	59	61	59	55	53	54	54	55	58	61	59	54	52
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z
Precipitation (in)
Pressure (mb)	1015	1015	1015	1015	1015	1015	1016	1016	1016	1017	1018	1019	1018	1018	1019	1019
Visibility (mi)
Cloud Cover (%)									2	2	9	5	1
Additional Data	Show Additional Data
Date	Thursday, April 30								Friday, May 01
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	7	7	6	6	12	12	11	9	8	8	7	6	9	12	9	6
Direction
Temperature (F)	51	50	52	58	60	58	53	51	50	49	52	59	62	60	54	52
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z	04/22 18z
Precipitation (in)
Pressure (mb)	1019	1020	1020	1020	1019	1018	1018	1018	1018	1018	1018	1017	1016	1016	1015	1016
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Saturday, May 02
Time	2am	5am	8am	11am
Wind (mph)	7	6	4	3
Direction
Temperature (F)	50	49	52	57
Model	GFS 0.5 Deg
Model Run	04/22 18z	04/22 18z	04/22 18z	04/22 18z
Precipitation (in)
Pressure (mb)	1016	1016	1016	1017
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data