NAM-Initialized CANSAC WRF Weather Forecasts

CANSAC WRF Realtime results for the current run (starts 2026 / 07 / 27 , at 0000 UTC, 1600 PST)

Modeling system problems (last modified: 2026/07/28 and changes (last modified: 2026/07/01) logs

THE WRF PAGES ARE EXPERIMENTAL AND IN DEVELOPMENT. THEY CURRENTLY APPEAR PUBLICLY FOR TESTING PURPOSES.

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Other CANSAC Products and Information

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Archived Runs

Verification Products

WRF 1.33 km Domain, Initialized 2026-07-27-00 UTC (26th, 1600 PST)

Product	Forecast Hours
Soundings \| Meteograms \| On-the-fly Soundings \| On-the-fly Meteograms \| Winds animation \| \| Bay Area \| San Diego \| SJV \| SB1260 Air Monitoring
SLP, 10m Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed (SW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed (NW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed (NE Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed (SE Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed (Southern Nevada)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed (Western Nevada)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed (Eastern Nevada)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface Temperature	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface Temp (SW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface Temp (NW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface Temp (NE Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface Temp (SE Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
3Kft Surface Temp Difference	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
2Kft Surface Temp Difference	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface Relative Humidity	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface RH (SW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface RH (NW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface RH (NE Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface RH (SE Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
850mb RH (SW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
950mb RH (SW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
925mb Temperature and Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
3000 ft Temperature and Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
850mb Geopotential Height, Temperature, Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
700mb Vertical Velocity, RH, and Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Lifted Index	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
0-1 km Wind Shear	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
MCAPE	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Visibility	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Cloud Ceiling	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Wind Gust	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface Temp (kmz)		0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface Winds (kmz)		0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Sfc Wind Direction (kmz)		0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mixing Height (kmz)		0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
3-hour Precipitation	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
24-hour Precipitation		0		6		12		18		24		30		36		42		48		54		60		66		72
72-hour Precipitation																										72

WRF 4 km Domain, Initialized 2026-07-27-00 UTC (26th, 1600 PST)

Product	Forecast Hours
NFDRS Products
500 mb Heights, Temps, Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
500 mb Heights, Absolute Vorticity	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
700 mb Heights, Temps, Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
700 mb Vertical Velocity, RH, and Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Totals High (700-500mb)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
850 mb Heights, Temps, Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
850 mb Heights, RH	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
1000 to 500 Thickness	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
SLP, 20 ft Winds, 2 m Temps	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mid Level Cloud Water (10-20K)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Ventilation Index	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Lifted Index	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
700mb Heights, Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
500mb Heights, Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface Relative Humidity	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
3-hour Precipitation	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
24-hour Precipitation		0		6		12		18		24		30		36		42		48		54		60		66		72
72-hour Precipitation																										72

WRF 12 km Domain, Initialized 2026-07-27-00 UTC (26th, 1600 PST)

Product	Forecast Hour
300 mb Heights, Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
500 mb Heights, Absolute Vorticity	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
700 mb Heights, Temps, Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
700 mb Vertical Velocity, RH, and Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
850 mb Heights, Temps, Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
SLP, 20 ft Winds, 2 m Temps	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Ventilation Index	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Transport Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

Air Quality Products

CANSAC Bluesky Products

USFS AirFire Google Earth Maps

Bluesky Daily Runs

CANSAC WRF Mixing Heights/Transport Winds

Product	Forecast Hour
Mixing Height (WRF) -- 4 km	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mixing Height (WRF) -- 1.33 km	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mixing Height (WRF) -- SW Quadrant	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mixing Height (WRF) -- NW Quadrant	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mixing Height (WRF) -- NE Quadrant	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mixing Height (WRF) -- SE Quadrant	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds (4 km)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds (1.33 km)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds (SW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds (NW Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds (NE Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds (SE Quadrant)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Prescribed Burn Potential Index	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

Lake Tahoe Area Air Quality

Product	Forecast Hour
Mixing Height (WRF)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface RH	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

Sierra Valley Air Quality

Product	Forecast Hour
Mixing Height (WRF)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface RH	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

Greater Bay Area Air Quality

Product	Forecast Hour
Mixing Height (WRF)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface RH	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed + terrain	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed and RH	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
925mb Temperature and Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

Central California Air Quality

Product	Forecast Hour
Mixing Height (WRF)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface RH	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

San Diego Air Quality

Product	Forecast Hour
Mixing Height (WRF)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface RH	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

San Joaquin Valley Air Quality

Product	Forecast Hour
Surface 10m Wind Speed	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface 10m Wind Speed (San Joaquin County)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mixing Height (WRF)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface (10 m) Winds (kmz)		0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Surface (10 m) Winds (kmz) County		0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

Yosemite

Product	Forecast Hour
Surface 10m Wind Speed	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mixing Height (WRF)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Mean Transport Winds	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

CANSAC WRF Cross Sections

Product	Forecast Hour
Redding	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Sacramento	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
San Francisco	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Fresno	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Bakersfield	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Los Angeles	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

Mixing Height and Ventilation Index

Product	Forecast Hour
Mixing Height (WRF) -- 4 km	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72
Ventilation Index (4 km)	Loop	0	3	6	9	12	15	18	21	24	27	30	33	36	39	42	45	48	51	54	57	60	63	66	69	72

Surface Visibility

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