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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: 9/26 | 9/27 | 9/28 | 9/29 | 9/30 | 10/01 | 10/02 | >>Wind Obs Map<<

Alcatraz Computer Forecast Table - Meteogram

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Date	Tuesday, September 26								Wednesday, September 27
Time		5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)		3	3	5	8	9	9	8	7	6	5	6	9	12	10	6
Direction
Temperature (F)		62	63	64	66	66	61	56	55	55	56	62	67	65	59	56
Model	NAM 12km								NAM 12km
Model Run		09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z
Precipitation (in)
Pressure (mb)		1019	1020	1021	1020	1018	1018	1019	1019	1019	1020	1019	1018	1016	1015	1016
Visibility (mi)
Cloud Cover (%)		100	100	55	30	24	20	92	99	56	28	24	10	20	31	82
Additional Data	Show Additional Data
Date	Thursday, September 28								Friday, September 29
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	4	4	4	4	7	8	7	5	5	6	4	5	13	11	8	9
Direction
Temperature (F)	57	56	54	57	63	65	60	58	58	57	58	65	68	65	61	58
Model	NAM 12km								GFS 0.5 Deg
Model Run	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 12z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z
Precipitation (in)
Pressure (mb)	1015	1015	1015	1015	1014	1012	1012	1012	1010	1010	1010	1011	1009	1009	1009	1009
Visibility (mi)
Cloud Cover (%)	42	54	74	55	3	10	9	1						32	16
Additional Data	Show Additional Data
Date	Saturday, September 30								Sunday, October 01
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	5	3	2	3	2	4	7	4	2	5	6	7	9	9	7	5
Direction
Temperature (F)	56	56	57	59	61	62	59	58	58	57	58	63	64	63	59	58
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z
Precipitation (in)
Pressure (mb)	1009	1008	1009	1009	1008	1007	1007	1008	1009	1010	1011	1013	1013	1014	1015	1016
Visibility (mi)
Cloud Cover (%)				1	1
Additional Data	Show Additional Data
Date	Monday, October 02								Tuesday, October 03
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	3	1	2	1	5	11	8	4	2	2	1	1	5	7	5	4
Direction
Temperature (F)	57	56	57	65	68	67	60	59	58	58	59	66	70	70	62	61
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z
Precipitation (in)
Pressure (mb)	1017	1018	1019	1019	1018	1017	1018	1018	1018	1017	1018	1018	1016	1014	1014	1014
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data
Date	Wednesday, October 04								Thursday, October 05
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	3	2	4	5	2	9	5	2	3	2	1	1	6	9	7	8
Direction
Temperature (F)	60	61	63	70	77	75	66	65	63	63	64	70	73	71	63	61
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z	09/26 06z
Precipitation (in)
Pressure (mb)	1013	1013	1013	1013	1011	1010	1011	1012	1011	1011	1012	1013	1011	1010	1011	1011
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data