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

Computer Model Data: 12/17 | 12/18 | 12/19 | 12/20 | 12/21 | 12/22 | 12/23 | >>Wind Obs Map<<

Alcatraz Computer Forecast Table - Meteogram

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Date	Wednesday, December 17								Thursday, December 18
Time		4am	7am	10am	1pm	4pm	7pm	10pm	1am	4am	7am	10am	1pm	4pm	7pm	10pm
Wind (mph)		5	8	6	6	4	2	2	3	3	2	2	2	1	2	3
Direction
Temperature (F)		55	55	56	56	56	55	54	52	51	51	52	53	54	54	54
Model	NAM 12km								NAM 12km
Model Run		12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z
Precipitation (in)
Pressure (mb)		1021	1021	1023	1021	1020	1021	1022	1022	1021	1022	1022	1022	1020	1020	1020
Visibility (mi)
Cloud Cover (%)		100	100	100	100	100	84	89	100	100	100	89	95	100	100	99
Additional Data	Show Additional Data
Date	Friday, December 19								Saturday, December 20
Time	1am	4am	7am	10am	1pm	4pm	7pm	10pm	1am	4am	7am	10am	1pm	4pm	7pm	10pm
Wind (mph)	4	4	6	7	8	8	7	6	4	3	3	5	7	15	17	17
Direction
Temperature (F)	53	54	54	55	55	54	54	55	56	57	57	58	58	58	58	58
Model	NAM 12km								GFS 0.5 Deg
Model Run	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z
Precipitation (in)
Pressure (mb)	1020	1019	1019	1020	1019	1018	1019	1020	1018	1018	1018	1018	1015	1014	1014	1014
Visibility (mi)
Cloud Cover (%)	100	100	97	100	87	100	100	99	91	39	4	3	40	97	87	100
Additional Data	Show Additional Data
Date	Sunday, December 21								Monday, December 22
Time	1am	4am	7am	10am	1pm	4pm	7pm	10pm	1am	4am	7am	10am	1pm	4pm	7pm	10pm
Wind (mph)	11	9	6	4	5	4	4	4	5	3	3	4	5	5	4	3
Direction
Temperature (F)	57	57	56	57	57	57	55	54	54	54	53	55	58	57	55	54
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z
Precipitation (in)
Pressure (mb)	1014	1015	1016	1018	1017	1017	1018	1018	1019	1020	1020	1021	1019	1017	1017	1017
Visibility (mi)
Cloud Cover (%)	22	51	30	18	44	34	1	30	16	1					2	14
Additional Data	Show Additional Data
Date	Tuesday, December 23								Wednesday, December 24
Time	1am	4am	7am	10am	1pm	4pm	7pm	10pm	1am	4am	7am	10am	1pm	4pm	7pm	10pm
Wind (mph)	5	6	7	6	4	6	6	10	24	27	25	9	5	8	9	8
Direction
Temperature (F)	53	52	52	53	53	53	54	54	56	57	57	53	52	52	52	52
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 12z	12/17 06z	12/17 06z	12/17 06z	12/17 06z
Precipitation (in)									1
Pressure (mb)	1015	1013	1013	1013	1011	1009	1008	1006	1004	1002	1002	1005	1013	1013	1014	1015
Visibility (mi)
Cloud Cover (%)	4	8	10	15	100	78	5	91	80	100	97	89	55	47	71	48
Additional Data	Show Additional Data
Date	Thursday, December 25								Friday, December 26
Time	1am	4am	7am	10am	1pm	4pm	7pm	10pm	1am	4am	7am	10am	1pm	4pm	7pm	10pm
Wind (mph)	8	9	10	10	9	9	5	6	6	8	7	8	10	12	8	6
Direction
Temperature (F)	52	52	52	52	52	52	53	54	54	54	54	56	59	59	57	55
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z	12/17 06z
Precipitation (in)
Pressure (mb)	1015	1014	1013	1013	1010	1008	1009	1010	1011	1011	1013	1015	1013	1014	1015	1015
Visibility (mi)
Cloud Cover (%)	51	77	31	64	80	100	78	46	9		16
Additional Data	Show Additional Data