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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: 4/21 | 4/22 | 4/23 | 4/24 | 4/25 | 4/26 | 4/27 | >>Wind Obs Map<<

Alcatraz Computer Forecast Table - Meteogram

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Date	Tuesday, April 21								Wednesday, April 22
Time		5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)		4	9	8	9	9	10	8	10	10	7	4	2	3	5	4
Direction
Temperature (F)		54	55	54	54	54	52	52	53	52	54	54	56	57	56	56
Model	NAM 12km								NAM 12km
Model Run		04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z
Precipitation (in)
Pressure (mb)		1012	1012	1013	1014	1014	1016	1018	1019	1019	1021	1023	1023	1023	1023	1023
Visibility (mi)
Cloud Cover (%)		100	96	91	100	66	88	86	100	100	96	71	44	36	14	11
Additional Data	Show Additional Data
Date	Thursday, April 23								Friday, April 24
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	3	2	1	1	6	8	6	5	4	2	3	6	9	9	7	6
Direction
Temperature (F)	54	52	51	54	56	57	54	50	51	51	53	57	59	58	53	50
Model	NAM 12km								GFS 0.5 Deg
Model Run	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z
Precipitation (in)
Pressure (mb)	1022	1022	1022	1021	1020	1018	1017	1017	1015	1014	1014	1014	1013	1012	1012	1013
Visibility (mi)
Cloud Cover (%)	21	24	48	48	48	27	58	100
Additional Data	Show Additional Data
Date	Saturday, April 25								Sunday, April 26
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	5	5	5	10	10	8	5	4	2	2	2	4	8	9	5	2
Direction
Temperature (F)	51	52	53	55	56	56	53	51	50	50	52	55	58	58	54	52
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z
Precipitation (in)
Pressure (mb)	1012	1011	1010	1011	1011	1010	1010	1011	1011	1012	1013	1014	1014	1014	1015	1015
Visibility (mi)
Cloud Cover (%)		13	24	12	9	11	6	2	2	2	4	6	9	2
Additional Data	Show Additional Data
Date	Monday, April 27								Tuesday, April 28
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	1	2	2	4	5	6	4	2	2	5	8	7	9	8	17	18
Direction
Temperature (F)	52	51	54	57	59	58	56	54	53	51	52	52	56	58	58	55
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z
Precipitation (in)
Pressure (mb)	1015	1016	1016	1016	1015	1014	1013	1013	1012	1009	1009	1008	1007	1007	1006	1008
Visibility (mi)
Cloud Cover (%)				1	2			2	16	77	97	93	90	47	45	83
Additional Data	Show Additional Data
Date	Wednesday, April 29								Thursday, April 30
Time	2am	5am	8am	11am	2pm	5pm	8pm	11pm	2am	5am	8am	11am	2pm	5pm	8pm	11pm
Wind (mph)	8	12	11	11	12	10	6	6	5	4	4	4	7	10	8	7
Direction
Temperature (F)	55	55	54	57	59	59	54	52	51	50	53	58	61	60	54	52
Model	GFS 0.5 Deg								GFS 0.5 Deg
Model Run	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z	04/21 12z
Precipitation (in)
Pressure (mb)	1008	1011	1015	1018	1020	1020	1020	1021	1020	1020	1020	1020	1018	1017	1017	1018
Visibility (mi)
Cloud Cover (%)	63	89	80	1	6
Additional Data	Show Additional Data
Date	Friday, May 01
Time	2am	5am
Wind (mph)	6	5
Direction
Temperature (F)	52	51
Model	GFS 0.5 Deg
Model Run	04/21 12z	04/21 12z
Precipitation (in)
Pressure (mb)	1017	1017
Visibility (mi)
Cloud Cover (%)
Additional Data	Show Additional Data