NAM-Initialized CANSAC WRF Weather Forecasts

CANSAC WRF Realtime results for the current run (starts 2025 / 10 / 20 , at 0000 UTC, 1600 PST)

DUE TO PLANNED POWER OUTAGE 28 OCT 12Z MODEL RUN WILL BE MISSING OR VERY LATE (LATE AFTERNOON AT THE EARLIEST)

Modeling system problems (last modified: 2025/10/15 and changes (last modified: 2025/06/08) logs

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

If you are having trouble getting the animations to work, click here for the latest free Java download

Other CANSAC Products and Information

Pyrecast CANSAC

Archived Runs

Verification Products

WRF 1.33 km Domain, Initialized 2025-10-20-00 UTC (19th, 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 2025-10-20-00 UTC (19th, 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 2025-10-20-00 UTC (19th, 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
Lightning	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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